Add support for Linear Systems (HD-)SDI cards

 * modules/access/linsys/*: add support for SDI and HD-SDI cards of
   Linear Systems/Computer Modules
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

NEWS

@@ -18,7 +18,8 @@ Access
  * Support for VDR recordings (http://www.tvdr.de/) folders
  * Blu-Ray Discs integration using libbluray
  * HTTP Live Streaming (IETF draft) playback support
- * Blackmagic DeckLink SDI card input support (Linux only currently)
+ * Blackmagic DeckLink SDI cards input support (Linux only currently)
+ * Linear Systems (HD-)SDI cards input support (Linux)
  * RTP: support for dynamic payload types by specifying the payload format
    in an option (no autodetection): only Theora supported for now
 

configure.ac

@@ -1839,10 +1839,27 @@ fi
 dnl
 dnl - special access module for dc1394 input
 dnl - dv module: digital video module check for libraw1394
+dnl - linsys modules: access module check for libzvbi
 dnl
 PKG_ENABLE_MODULES_VLC([DC1394], [], [libraw1394 >= 2.0.1 libdc1394-2 >= 2.1.0], [dc1394 access module], [auto])
 PKG_ENABLE_MODULES_VLC([DV], [access_dv], [libraw1394 >= 2.0.1 libavc1394 >= 0.5.3], [DV input module], [auto])
 
+AC_ARG_ENABLE(linsys,
+  [  --enable-linsys         Linux Linear Systems Ltd. SDI and HD-SDI input cards (default enabled)])
+case "${SYS}" in
+    linux*)
+if test "${enable_linsys}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
+  VLC_ADD_PLUGIN([linsys_hdsdi])
+  PKG_CHECK_MODULES(LINSYS_SDI, zvbi-0.2 >= 0.2.28,
+    [ VLC_ADD_LIBS([linsys_sdi],[$LINSYS_SDI_LIBS])
+      VLC_ADD_CFLAGS([linsys_sdi],[$LINSYS_SDI_CFLAGS])
+      VLC_ADD_PLUGIN([linsys_sdi]) ],
+    [AC_MSG_WARN([Couldn't find zvbi >= 0.2.28, install libzvbi-dev ?])]
+  )
+fi
+;;
+esac
+
 dnl
 dnl dvdread module: check for libdvdread
 dnl

modules/access/Modules.am

@@ -41,6 +41,8 @@ SOURCES_dc1394 = dc1394.c
 SOURCES_pvr = pvr.c videodev2.h
 SOURCES_v4l2 = v4l2.c
 SOURCES_qtcapture = qtcapture.m
+SOURCES_linsys_sdi = linsys/linsys_sdi.c
+SOURCES_linsys_hdsdi = linsys/linsys_hdsdi.c
 SOURCES_cdda = \
         cdda.c \
         vcd/cdrom.c \

modules/access/linsys/linsys_hdsdi.c

+/*****************************************************************************
+ * linsys_hdsdi.c: HDSDI capture for Linear Systems/Computer Modules cards
+ *****************************************************************************
+ * Copyright (C) 2010-2011 VideoLAN
+ *
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <poll.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+
+#include <vlc_input.h>
+#include <vlc_access.h>
+#include <vlc_demux.h>
+
+#include <vlc_fs.h>
+
+#include "linsys_sdivideo.h"
+#include "linsys_sdiaudio.h"
+
+#undef HAVE_MMAP_SDIVIDEO
+#undef HAVE_MMAP_SDIAUDIO
+
+#define SDIVIDEO_DEVICE         "/dev/sdivideorx%u"
+#define SDIVIDEO_BUFFERS_FILE   "/sys/class/sdivideo/sdivideorx%u/buffers"
+#define SDIVIDEO_BUFSIZE_FILE   "/sys/class/sdivideo/sdivideorx%u/bufsize"
+#define SDIVIDEO_MODE_FILE      "/sys/class/sdivideo/sdivideorx%u/mode"
+#define SDIAUDIO_DEVICE         "/dev/sdiaudiorx%u"
+#define SDIAUDIO_BUFFERS_FILE   "/sys/class/sdiaudio/sdiaudiorx%u/buffers"
+#define SDIAUDIO_BUFSIZE_FILE   "/sys/class/sdiaudio/sdiaudiorx%u/bufsize"
+#define SDIAUDIO_SAMPLESIZE_FILE "/sys/class/sdiaudio/sdiaudiorx%u/sample_size"
+#define SDIAUDIO_CHANNELS_FILE  "/sys/class/sdiaudio/sdiaudiorx%u/channels"
+#define NB_VBUFFERS             2
+#define READ_TIMEOUT            80000
+#define CLOCK_GAP               INT64_C(500000)
+#define START_DATE              INT64_C(4294967296)
+
+#define MAX_AUDIOS              4
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( \
+    "Allows you to modify the default caching value for hdsdi capture " \
+    "streams. This value should be set in millisecond units." )
+#define LINK_TEXT N_("Link #")
+#define LINK_LONGTEXT N_( \
+    "Allows you to set the desired link of the board for the capture (starting at 0)." )
+#define VIDEO_TEXT N_("Video ID")
+#define VIDEO_LONGTEXT N_( \
+    "Allows you to set the ES ID of the video." )
+#define VIDEO_ASPECT_TEXT N_("Aspect ratio")
+#define VIDEO_ASPECT_LONGTEXT N_( \
+    "Allows you to force the aspect ratio of the video." )
+#define AUDIO_TEXT N_("Audio configuration")
+#define AUDIO_LONGTEXT N_( \
+    "Allows you to set audio configuration (id=group,pair:id=group,pair...)." )
+
+static int  Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+vlc_module_begin()
+    set_description( _("HDSDI Input") )
+    set_shortname( N_("hdsdi") )
+    set_category( CAT_INPUT )
+    set_subcategory( SUBCAT_INPUT_ACCESS )
+
+    add_integer( "linsys-hdsdi-caching", DEFAULT_PTS_DELAY / 1000,
+        CACHING_TEXT, CACHING_LONGTEXT, true )
+    add_integer( "linsys-hdsdi-link", 0,
+        LINK_TEXT, LINK_LONGTEXT, true )
+
+    add_integer( "linsys-hdsdi-id-video", 0,
+        VIDEO_TEXT, VIDEO_LONGTEXT, true )
+    add_string( "linsys-hdsdi-aspect-ratio", "",
+        VIDEO_ASPECT_TEXT, VIDEO_ASPECT_LONGTEXT, true )
+    add_string( "linsys-hdsdi-audio", "0=1,1",
+        AUDIO_TEXT, AUDIO_LONGTEXT, true )
+
+    set_capability( "access_demux", 0 )
+    add_shortcut( "linsys-hdsdi" )
+    set_callbacks( Open, Close )
+vlc_module_end()
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+typedef struct hdsdi_audio_t
+{
+    int         i_channel; /* i_group * 2 + i_pair */
+
+    /* HDSDI parser */
+    int32_t     i_delay;
+
+    /* ES stuff */
+    int         i_id;
+    es_out_id_t *p_es;
+} hdsdi_audio_t;
+
+struct demux_sys_t
+{
+    /* video device reader */
+    int          i_vfd;
+    unsigned int i_link;
+    unsigned int i_standard;
+#ifdef HAVE_MMAP_SDIVIDEO
+    uint8_t      **pp_vbuffers;
+    unsigned int i_vbuffers, i_current_vbuffer;
+#endif
+    unsigned int i_vbuffer_size;
+
+    /* audio device reader */
+    int          i_afd;
+    int          i_max_channel;
+    unsigned int i_sample_rate;
+#ifdef HAVE_MMAP_SDIAUDIO
+    uint8_t      **pp_abuffers;
+    unsigned int i_abuffers, i_current_abuffer;
+#endif
+    unsigned int i_abuffer_size;
+
+    /* picture decoding */
+    unsigned int i_frame_rate, i_frame_rate_base;
+    unsigned int i_width, i_height, i_aspect, i_forced_aspect;
+    unsigned int i_vblock_size, i_ablock_size;
+    mtime_t      i_next_vdate, i_next_adate;
+    int          i_incr, i_aincr;
+
+    /* ES stuff */
+    int          i_id_video;
+    es_out_id_t  *p_es_video;
+    hdsdi_audio_t p_audios[MAX_AUDIOS];
+};
+
+static int Control( demux_t *, int, va_list );
+static int Demux( demux_t * );
+
+static int InitCapture( demux_t *p_demux );
+static void CloseCapture( demux_t *p_demux );
+static int Capture( demux_t *p_demux );
+
+/*****************************************************************************
+ * DemuxOpen:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys;
+    char        *psz_parser;
+
+    /* Fill p_demux field */
+    p_demux->pf_demux = Demux;
+    p_demux->pf_control = Control;
+    p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
+    if( unlikely(!p_sys) )
+        return VLC_ENOMEM;
+
+    /* HDSDI AR */
+    char *psz_ar = var_InheritString( p_demux, "linsys-hdsdi-aspect-ratio" );
+    if ( psz_ar != NULL )
+    {
+        psz_parser = strchr( psz_ar, ':' );
+        if ( psz_parser )
+        {
+            *psz_parser++ = '\0';
+            p_sys->i_forced_aspect = p_sys->i_aspect =
+                 strtol( psz_ar, NULL, 0 ) * VOUT_ASPECT_FACTOR
+                 / strtol( psz_parser, NULL, 0 );
+        }
+        else
+            p_sys->i_forced_aspect = 0;
+        free( psz_ar );
+    }
+
+    /* */
+    p_sys->i_id_video = var_InheritInteger( p_demux, "linsys-hdsdi-id-video" );
+
+    /* Audio ES */
+    char *psz_string = psz_parser = var_InheritString( p_demux,
+                                                       "linsys-hdsdi-audio" );
+    int i = 0;
+    p_sys->i_max_channel = -1;
+
+    while ( psz_parser != NULL && *psz_parser )
+    {
+        int i_id, i_group, i_pair;
+        char *psz_next = strchr( psz_parser, '=' );
+        if ( psz_next != NULL )
+        {
+            *psz_next = '\0';
+            i_id = strtol( psz_parser, NULL, 0 );
+            psz_parser = psz_next + 1;
+        }
+        else
+            i_id = 0;
+
+        psz_next = strchr( psz_parser, ':' );
+        if ( psz_next != NULL )
+        {
+            *psz_next = '\0';
+            psz_next++;
+        }
+
+        if ( sscanf( psz_parser, "%d,%d", &i_group, &i_pair ) == 2 )
+        {
+            p_sys->p_audios[i].i_channel = (i_group - 1) * 2 + (i_pair - 1);
+            if ( p_sys->p_audios[i].i_channel > p_sys->i_max_channel )
+                p_sys->i_max_channel = p_sys->p_audios[i].i_channel;
+            p_sys->p_audios[i].i_id = i_id;
+            i++;
+        }
+        else
+            msg_Warn( p_demux, "malformed audio configuration (%s)",
+                      psz_parser );
+
+        psz_parser = psz_next;
+    }
+    free( psz_string );
+    for ( ; i < MAX_AUDIOS; i++ )
+        p_sys->p_audios[i].i_channel = -1;
+
+
+    /* Update default_pts to a suitable value for hdsdi access */
+    var_Create( p_demux, "linsys-hdsdi-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
+
+    p_sys->i_link = var_InheritInteger( p_demux, "linsys-hdsdi-link" );
+
+    if( InitCapture( p_demux ) != VLC_SUCCESS )
+    {
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * DemuxClose:
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    CloseCapture( p_demux );
+    free( p_sys );
+}
+
+/*****************************************************************************
+ * DemuxDemux:
+ *****************************************************************************/
+static int Demux( demux_t *p_demux )
+{
+    return ( Capture( p_demux ) == VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+    bool *pb;
+    int64_t *pi64;
+
+    switch( i_query )
+    {
+        /* Special for access_demux */
+        case DEMUX_CAN_PAUSE:
+        case DEMUX_CAN_CONTROL_PACE:
+            /* TODO */
+            pb = (bool*)va_arg( args, bool * );
+            *pb = false;
+            return VLC_SUCCESS;
+
+        case DEMUX_GET_PTS_DELAY:
+            pi64 = (int64_t*)va_arg( args, int64_t * );
+            *pi64 = (int64_t)var_GetInteger( p_demux, "linsys-hdsdi-caching" ) *1000;
+            return VLC_SUCCESS;
+
+        /* TODO implement others */
+        default:
+            return VLC_EGENERIC;
+    }
+}
+
+/*****************************************************************************
+ * HDSDI syntax parsing stuff
+ *****************************************************************************/
+#define U   (uint16_t)(p_line[0])
+#define Y1  (uint16_t)(p_line[1])
+#define V   (uint16_t)(p_line[2])
+#define Y2  (uint16_t)(p_line[3])
+
+/* For lines 0 [4] or 1 [4] */
+static void Unpack01( const uint8_t *p_line, unsigned int i_size,
+                      uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        *p_u++ = U;
+        *p_y++ = Y1;
+        *p_v++ = V;
+        *p_y++ = Y2;
+        p_line += 4;
+    }
+}
+
+/* For lines 2 [4] */
+static void Unpack2( const uint8_t *p_line, unsigned int i_size,
+                     uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        uint16_t tmp;
+        tmp = 3 * *p_u;
+        tmp += U;
+        *p_u++ = tmp / 4;
+        *p_y++ = Y1;
+        tmp = 3 * *p_v;
+        tmp += V;
+        *p_v++ = tmp / 4;
+        *p_y++ = Y2;
+        p_line += 4;
+    }
+}
+
+/* For lines 3 [4] */
+static void Unpack3( const uint8_t *p_line, unsigned int i_size,
+                     uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        uint16_t tmp;
+        tmp = *p_u;
+        tmp += 3 * U;
+        *p_u++ = tmp / 4;
+        *p_y++ = Y1;
+        tmp = *p_v;
+        tmp += 3 * V;
+        *p_v++ = tmp / 4;
+        *p_y++ = Y2;
+        p_line += 4;
+    }
+}
+
+#undef U
+#undef Y1
+#undef V
+#undef Y2
+
+static void SparseCopy( int16_t *p_dest, const int16_t *p_src,
+                        size_t i_nb_samples, size_t i_offset, size_t i_stride )
+{
+    for ( size_t i = 0; i < i_nb_samples; i++ )
+    {
+        p_dest[2 * i] = p_src[i_offset];
+        p_dest[2 * i + 1] = p_src[i_offset + 1];
+        i_offset += 2 * i_stride;
+    }
+}
+
+/*****************************************************************************
+ * Video & audio decoding
+ *****************************************************************************/
+struct block_extension_t
+{
+    bool            b_progressive;          /**< is it a progressive frame ? */
+    bool            b_top_field_first;             /**< which field is first */
+    unsigned int    i_nb_fields;                  /**< # of displayed fields */
+    unsigned int    i_aspect;                     /**< aspect ratio of frame */
+};
+
+static void StopDecode( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    es_out_Del( p_demux->out, p_sys->p_es_video );
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        hdsdi_audio_t *p_audio = &p_sys->p_audios[i];
+        if ( p_audio->i_channel != -1 && p_audio->p_es != NULL )
+        {
+            es_out_Del( p_demux->out, p_audio->p_es );
+            p_audio->p_es = NULL;
+        }
+    }
+}
+
+static int InitVideo( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    es_format_t fmt;
+
+    msg_Dbg( p_demux, "found standard %d", p_sys->i_standard );
+    switch ( p_sys->i_standard )
+    {
+    case SDIVIDEO_CTL_BT_601_576I_50HZ:
+        /* PAL */
+        p_sys->i_frame_rate      = 25;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_width           = 720;
+        p_sys->i_height          = 576;
+        p_sys->i_aspect          = 4 * VOUT_ASPECT_FACTOR / 3;
+        break;
+
+    case SDIVIDEO_CTL_SMPTE_296M_720P_50HZ:
+        p_sys->i_frame_rate      = 50;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_width           = 1280;
+        p_sys->i_height          = 720;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        break;
+
+    case SDIVIDEO_CTL_SMPTE_296M_720P_60HZ:
+        p_sys->i_frame_rate      = 60;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_width           = 1280;
+        p_sys->i_height          = 720;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        break;
+
+    case SDIVIDEO_CTL_SMPTE_295M_1080I_50HZ:
+    case SDIVIDEO_CTL_SMPTE_274M_1080I_50HZ:
+    case SDIVIDEO_CTL_SMPTE_274M_1080PSF_25HZ:
+        /* 1080i50 or 1080p25 */
+        p_sys->i_frame_rate      = 25;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_width           = 1920;
+        p_sys->i_height          = 1080;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        break;
+
+    case SDIVIDEO_CTL_SMPTE_274M_1080I_59_94HZ:
+        p_sys->i_frame_rate      = 30000;
+        p_sys->i_frame_rate_base = 1001;
+        p_sys->i_width           = 1920;
+        p_sys->i_height          = 1080;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        break;
+
+    case SDIVIDEO_CTL_SMPTE_274M_1080I_60HZ:
+        p_sys->i_frame_rate      = 30;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_width           = 1920;
+        p_sys->i_height          = 1080;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        break;
+
+    default:
+        msg_Err( p_demux, "unsupported standard %d", p_sys->i_standard );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->i_next_vdate = START_DATE;
+    p_sys->i_incr = 1000000 * p_sys->i_frame_rate_base / p_sys->i_frame_rate;
+    p_sys->i_vblock_size = p_sys->i_width * p_sys->i_height * 3 / 2
+                            + sizeof(struct block_extension_t);
+
+    /* Video ES */
+    es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('I','4','2','0') );
+    fmt.i_id                    = p_sys->i_id_video;
+    fmt.video.i_frame_rate      = p_sys->i_frame_rate;
+    fmt.video.i_frame_rate_base = p_sys->i_frame_rate_base;
+    fmt.video.i_width           = fmt.video.i_visible_width = p_sys->i_width;
+    fmt.video.i_height          = fmt.video.i_visible_height = p_sys->i_height;
+    fmt.video.i_sar_num         = p_sys->i_aspect * fmt.video.i_height
+                                  / fmt.video.i_width;
+    fmt.video.i_sar_den         = VOUT_ASPECT_FACTOR;
+    p_sys->p_es_video           = es_out_Add( p_demux->out, &fmt );
+
+    return VLC_SUCCESS;
+}
+
+static int InitAudio( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    es_format_t fmt;
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        hdsdi_audio_t *p_audio = &p_sys->p_audios[i];
+
+        if ( p_audio->i_channel == -1 ) continue;
+
+        msg_Dbg( p_demux, "starting audio %u/%u rate:%u delay:%d",
+                 1 + p_audio->i_channel / 2, 1 + (p_audio->i_channel % 2),
+                 p_sys->i_sample_rate, p_audio->i_delay );
+
+        es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC('a','r','a','w') );
+        fmt.i_id = p_audio->i_id;
+        fmt.audio.i_channels          = 2;
+        fmt.audio.i_physical_channels = 6;
+        fmt.audio.i_original_channels = 6;
+        fmt.audio.i_rate              = p_sys->i_sample_rate;
+        fmt.audio.i_bitspersample     = 16;
+        fmt.audio.i_blockalign = fmt.audio.i_channels *
+            fmt.audio.i_bitspersample / 8;
+        fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
+            fmt.audio.i_bitspersample;
+        p_audio->p_es = es_out_Add( p_demux->out, &fmt );
+    }
+
+    p_sys->i_next_adate = START_DATE;
+    p_sys->i_ablock_size = p_sys->i_sample_rate * 4 * p_sys->i_frame_rate_base / p_sys->i_frame_rate;
+    p_sys->i_aincr = 1000000. * p_sys->i_ablock_size / p_sys->i_sample_rate / 4;
+
+    return VLC_SUCCESS;
+}
+
+static int HandleVideo( demux_t *p_demux, const uint8_t *p_buffer )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    block_t *p_current_picture = block_New( p_demux, p_sys->i_vblock_size );
+    if( unlikely( !p_current_picture ) )
+        return VLC_ENOMEM;
+    uint8_t *p_y = p_current_picture->p_buffer;
+    uint8_t *p_u = p_y + p_sys->i_width * p_sys->i_height;
+    uint8_t *p_v = p_u + p_sys->i_width * p_sys->i_height / 4;
+    unsigned int i_total_size = p_sys->i_width * 2;
+    unsigned int i_current_line;
+    struct block_extension_t ext;
+
+    for ( i_current_line = 0; i_current_line < p_sys->i_height;
+          i_current_line++ )
+    {
+        bool b_field = (i_current_line >= p_sys->i_height / 2);
+        unsigned int i_field_line = b_field ?
+            i_current_line - (p_sys->i_height + 1) / 2 :
+            i_current_line;
+        unsigned int i_real_line = b_field + i_field_line * 2;
+        const uint8_t *p_line = p_buffer + i_current_line * p_sys->i_width * 2;
+
+        if ( !(i_field_line % 2) && !b_field )
+            Unpack01( p_line, i_total_size,
+                      p_y + p_sys->i_width * i_real_line,
+                      p_u + (p_sys->i_width / 2) * (i_real_line / 2),
+                      p_v + (p_sys->i_width / 2) * (i_real_line / 2) );
+        else if ( !(i_field_line % 2) )
+            Unpack01( p_line, i_total_size,
+                      p_y + p_sys->i_width * i_real_line,
+                      p_u + (p_sys->i_width / 2) * (i_real_line / 2 + 1),
+                      p_v + (p_sys->i_width / 2) * (i_real_line / 2 + 1) );
+       else if ( !b_field )
+            Unpack2( p_line, i_total_size,
+                     p_y + p_sys->i_width * i_real_line,
+                     p_u + (p_sys->i_width / 2) * (i_real_line / 2 - 1),
+                     p_v + (p_sys->i_width / 2) * (i_real_line / 2 - 1) );
+       else
+            Unpack3( p_line, i_total_size,
+                     p_y + p_sys->i_width * i_real_line,
+                     p_u + (p_sys->i_width / 2) * (i_real_line / 2),
+                     p_v + (p_sys->i_width / 2) * (i_real_line / 2) );
+    }
+
+    /* FIXME: progressive formats ? */
+    ext.b_progressive = false;
+    ext.i_nb_fields = 2;
+    ext.b_top_field_first = true;
+    ext.i_aspect = p_sys->i_forced_aspect ? p_sys->i_forced_aspect :
+                   p_sys->i_aspect;
+
+    memcpy( &p_current_picture->p_buffer[p_sys->i_vblock_size
+                                          - sizeof(struct block_extension_t)],
+            &ext, sizeof(struct block_extension_t) );
+
+    p_current_picture->i_dts = p_current_picture->i_pts = p_sys->i_next_vdate;
+    es_out_Send( p_demux->out, p_sys->p_es_video, p_current_picture );
+
+    es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_next_vdate );
+    p_sys->i_next_vdate += p_sys->i_incr;
+    return VLC_SUCCESS;
+}
+
+static int HandleAudio( demux_t *p_demux, const uint8_t *p_buffer )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        hdsdi_audio_t *p_audio = &p_sys->p_audios[i];
+        if ( p_audio->i_channel != -1 && p_audio->p_es != NULL )
+        {
+            block_t *p_block = block_New( p_demux, p_sys->i_ablock_size );
+            if( unlikely( !p_block ) )
+                return VLC_ENOMEM;
+            SparseCopy( (int16_t *)p_block->p_buffer, (const int16_t *)p_buffer,
+                        p_sys->i_ablock_size / 4,
+                        p_audio->i_channel * 2, p_sys->i_max_channel + 1 );
+
+            p_block->i_dts = p_block->i_pts
+                = p_sys->i_next_adate + (mtime_t)p_audio->i_delay
+                   * INT64_C(1000000) / p_sys->i_sample_rate;
+            p_block->i_length = p_sys->i_aincr;
+            es_out_Send( p_demux->out, p_audio->p_es, p_block );
+        }
+    }
+    p_sys->i_next_adate += p_sys->i_aincr;
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Low-level device stuff
+ *****************************************************************************/
+#define MAXLEN 256
+
+static ssize_t WriteULSysfs( const char *psz_fmt, unsigned int i_link,
+                             unsigned int i_buf )
+{
+    char psz_file[MAXLEN], psz_data[MAXLEN];
+    int i_fd;
+    ssize_t i_ret;
+
+    snprintf( psz_file, sizeof(psz_file) -1, psz_fmt, i_link );
+
+    snprintf( psz_data, sizeof(psz_data) -1, "%u\n", i_buf );
+
+    if ( (i_fd = vlc_open( psz_file, O_WRONLY )) < 0 )
+        return i_fd;
+
+    i_ret = write( i_fd, psz_data, strlen(psz_data) + 1 );
+    close( i_fd );
+    return i_ret;
+}
+
+static int InitCapture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+#ifdef HAVE_MMAP_SDIVIDEO
+    const int i_page_size = getpagesize();
+    unsigned int i_bufmemsize;
+#endif
+    char psz_vdev[MAXLEN];
+
+    snprintf( psz_vdev, sizeof(psz_vdev), SDIVIDEO_DEVICE, p_sys->i_link );
+    psz_vdev[sizeof(psz_vdev) - 1] = '\0';
+    if ( (p_sys->i_vfd = vlc_open( psz_vdev, O_RDONLY ) ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't open device %s", psz_vdev );
+        return VLC_EGENERIC;
+    }
+
+    /* Wait for standard to settle down */
+    while ( !p_demux->b_die )
+    {
+        struct pollfd pfd[1];
+
+        pfd[0].fd = p_sys->i_vfd;
+        pfd[0].events = POLLIN | POLLPRI;
+
+        if ( poll( pfd, 1, READ_TIMEOUT ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't poll(): %s", strerror(errno) );
+            close( p_sys->i_vfd );
+            return VLC_EGENERIC;
+        }
+
+        if ( pfd[0].revents & POLLPRI )
+        {
+            unsigned int i_val;
+
+            if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETEVENTS, &i_val ) < 0 )
+                msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS %s",
+                          strerror(errno) );
+            else
+            {
+                if ( i_val & SDIVIDEO_EVENT_RX_BUFFER )
+                    msg_Warn( p_demux, "driver receive buffer queue overrun" );
+                if ( i_val & SDIVIDEO_EVENT_RX_FIFO )
+                    msg_Warn( p_demux, "onboard receive FIFO overrun");
+                if ( i_val & SDIVIDEO_EVENT_RX_CARRIER )
+                    msg_Warn( p_demux, "carrier status change");
+                if ( i_val & SDIVIDEO_EVENT_RX_DATA )
+                    msg_Warn( p_demux, "data status change");
+                if ( i_val & SDIVIDEO_EVENT_RX_STD )
+                {
+                    msg_Warn( p_demux, "standard status change");
+                    break;
+                }
+            }
+        }
+    }
+    if ( p_demux->b_die )
+    {
+        close( p_sys->i_vfd );
+        return VLC_EGENERIC;
+    }
+
+    if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETVIDSTATUS, &p_sys->i_standard )
+          < 0 )
+    {
+        msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETVIDSTATUS %s",
+                  strerror(errno) );
+        close( p_sys->i_vfd );
+        return VLC_EGENERIC;
+    }
+    close( p_sys->i_vfd );
+
+    if ( InitVideo( p_demux ) != VLC_SUCCESS )
+        return VLC_EGENERIC;
+    p_sys->i_vbuffer_size = p_sys->i_height * p_sys->i_width * 2;
+
+    /* First open the audio for synchronization reasons */
+    if ( p_sys->i_max_channel != -1 )
+    {
+        unsigned int i_rate;
+        char psz_adev[MAXLEN];
+
+        snprintf( psz_adev, sizeof(psz_adev), SDIAUDIO_DEVICE, p_sys->i_link );
+        psz_adev[sizeof(psz_adev) - 1] = '\0';
+        if ( (p_sys->i_afd = vlc_open( psz_adev, O_RDONLY ) ) < 0 )
+        {
+            msg_Err( p_demux, "couldn't open device %s", psz_adev );
+            return VLC_EGENERIC;
+        }
+
+        if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_RXGETAUDRATE, &i_rate ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETAUDRATE %s",
+                      strerror(errno) );
+            return VLC_EGENERIC;
+        }
+        switch ( i_rate )
+        {
+        case SDIAUDIO_CTL_ASYNC_48_KHZ:
+        case SDIAUDIO_CTL_SYNC_48_KHZ:
+            p_sys->i_sample_rate = 48000;
+            break;
+        case SDIAUDIO_CTL_ASYNC_44_1_KHZ:
+        case SDIAUDIO_CTL_SYNC_44_1_KHZ:
+            p_sys->i_sample_rate = 44100;
+            break;
+        case SDIAUDIO_CTL_ASYNC_32_KHZ:
+        case SDIAUDIO_CTL_SYNC_32_KHZ:
+            p_sys->i_sample_rate = 32000;
+            break;
+        case SDIAUDIO_CTL_ASYNC_96_KHZ:
+        case SDIAUDIO_CTL_SYNC_96_KHZ:
+            p_sys->i_sample_rate = 96000;
+            break;
+        case SDIAUDIO_CTL_ASYNC_FREE_RUNNING:
+        case SDIAUDIO_CTL_SYNC_FREE_RUNNING:
+        default:
+            msg_Err( p_demux, "unknown sample rate %u", i_rate );
+            return VLC_EGENERIC;
+        }
+        close( p_sys->i_afd );
+
+        if ( InitAudio( p_demux ) != VLC_SUCCESS )
+            return VLC_EGENERIC;
+        p_sys->i_abuffer_size = p_sys->i_ablock_size
+                                 * (1 + p_sys->i_max_channel);
+
+        /* Use 16-bit audio */
+        if ( WriteULSysfs( SDIAUDIO_SAMPLESIZE_FILE, p_sys->i_link,
+                           SDIAUDIO_CTL_AUDSAMP_SZ_16 ) < 0 )
+        {
+            msg_Err( p_demux, "couldn't write file " SDIAUDIO_SAMPLESIZE_FILE,
+                     p_sys->i_link );
+            return VLC_EGENERIC;
+        }
+
+        if ( WriteULSysfs( SDIAUDIO_CHANNELS_FILE, p_sys->i_link,
+                           (p_sys->i_max_channel + 1) * 2 ) < 0 )
+        {
+            msg_Err( p_demux, "couldn't write file " SDIAUDIO_CHANNELS_FILE,
+                     p_sys->i_link );
+            return VLC_EGENERIC;
+        }
+
+#ifdef HAVE_MMAP_SDIAUDIO
+        if ( (p_sys->i_abuffers = ReadULSysfs( SDIAUDIO_BUFFERS_FILE,
+                                               p_sys->i_link )) < 0 )
+        {
+            msg_Err( p_demux, "couldn't read file " SDIAUDIO_BUFFERS_FILE,
+                     p_sys->i_link );
+            return VLC_EGENERIC;
+        }
+        p_sys->i_current_abuffer = 0;
+#endif
+
+        if ( WriteULSysfs( SDIAUDIO_BUFSIZE_FILE, p_sys->i_link,
+                           p_sys->i_abuffer_size ) < 0 )
+        {
+            msg_Err( p_demux, "couldn't write file " SDIAUDIO_BUFSIZE_FILE,
+                     p_sys->i_link );
+            return VLC_EGENERIC;
+        }
+
+        if ( (p_sys->i_afd = open( psz_adev, O_RDONLY ) ) < 0 )
+        {
+            msg_Err( p_demux, "couldn't open device %s", psz_adev );
+            return VLC_EGENERIC;
+        }
+
+#ifdef HAVE_MMAP_SDIAUDIO
+        i_bufmemsize = ((p_sys->i_abuffer_size + i_page_size - 1) / i_page_size)
+                         * i_page_size;
+        p_sys->pp_abuffers = malloc( p_sys->i_abuffers * sizeof(uint8_t *) );
+        if( unlikely( !p_sys->pp_abuffers ) )
+            return VLC_ENOMEM;
+        for ( unsigned int i = 0; i < p_sys->i_abuffers; i++ )
+        {
+            if ( (p_sys->pp_abuffers[i] = mmap( NULL, p_sys->i_abuffer_size,
+                                                PROT_READ, MAP_SHARED, p_sys->i_afd,
+                                                i * i_bufmemsize )) == MAP_FAILED )
+            {
+                msg_Err( p_demux, "couldn't mmap(%d): %s", i, strerror(errno) );
+                return VLC_EGENERIC;
+            }
+        }
+#endif
+    }
+
+    /* Use 8-bit video */
+    if ( WriteULSysfs( SDIVIDEO_MODE_FILE, p_sys->i_link,
+                       SDIVIDEO_CTL_MODE_UYVY ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't write file " SDIVIDEO_MODE_FILE,
+                 p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+
+    if ( WriteULSysfs( SDIVIDEO_BUFFERS_FILE, p_sys->i_link,
+                       NB_VBUFFERS ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't write file " SDIVIDEO_BUFFERS_FILE,
+                 p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+#ifdef HAVE_MMAP_SDIVIDEO
+    p_sys->i_vbuffers = NB_VBUFFERS;
+#endif
+
+    if ( WriteULSysfs( SDIVIDEO_BUFSIZE_FILE, p_sys->i_link,
+                       p_sys->i_vbuffer_size ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't write file " SDIVIDEO_BUFSIZE_FILE,
+                 p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+
+    if ( (p_sys->i_vfd = open( psz_vdev, O_RDONLY ) ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't open device %s", psz_vdev );
+        return VLC_EGENERIC;
+    }
+
+#ifdef HAVE_MMAP_SDIVIDEO
+    p_sys->i_current_vbuffer = 0;
+    i_bufmemsize = ((p_sys->i_vbuffer_size + i_page_size - 1) / i_page_size)
+                     * i_page_size;
+    p_sys->pp_vbuffers = malloc( p_sys->i_vbuffers * sizeof(uint8_t *) );
+    if( unlikely( !p_sys->pp_vbuffers ) )
+        return VLC_ENOMEM;
+    for ( unsigned int i = 0; i < p_sys->i_vbuffers; i++ )
+    {
+        if ( (p_sys->pp_vbuffers[i] = mmap( NULL, p_sys->i_vbuffer_size,
+                                            PROT_READ, MAP_SHARED, p_sys->i_vfd,
+                                            i * i_bufmemsize )) == MAP_FAILED )
+        {
+            msg_Err( p_demux, "couldn't mmap(%d): %s", i, strerror(errno) );
+            return VLC_EGENERIC;
+        }
+    }
+#endif
+
+    return VLC_SUCCESS;
+}
+
+static void CloseCapture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    StopDecode( p_demux );
+#ifdef HAVE_MMAP_SDIVIDEO
+    for ( unsigned int i = 0; i < p_sys->i_vbuffers; i++ )
+        munmap( p_sys->pp_vbuffers[i], p_sys->i_vbuffer_size );
+    free( p_sys->pp_vbuffers );
+#endif
+    close( p_sys->i_vfd );
+    if ( p_sys->i_max_channel != -1 )
+    {
+#ifdef HAVE_MMAP_SDIAUDIO
+        for ( unsigned int i = 0; i < p_sys->i_abuffers; i++ )
+            munmap( p_sys->pp_abuffers[i], p_sys->i_abuffer_size );
+        free( p_sys->pp_abuffers );
+#endif
+        close( p_sys->i_afd );
+    }
+}
+
+static int Capture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    struct pollfd pfd[2];
+
+    pfd[0].fd = p_sys->i_vfd;
+    pfd[0].events = POLLIN | POLLPRI;
+    if ( p_sys->i_max_channel != -1 )
+    {
+        pfd[1].fd = p_sys->i_afd;
+        pfd[1].events = POLLIN | POLLPRI;
+    }
+
+    if ( poll( pfd, 1 + (p_sys->i_max_channel != -1), READ_TIMEOUT ) < 0 )
+    {
+        msg_Warn( p_demux, "couldn't poll(): %s", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+
+    if ( pfd[0].revents & POLLPRI )
+    {
+        unsigned int i_val;
+
+        if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETEVENTS, &i_val ) < 0 )
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS %s",
+                      strerror(errno) );
+        else
+        {
+            if ( i_val & SDIVIDEO_EVENT_RX_BUFFER )
+                msg_Warn( p_demux, "driver receive buffer queue overrun" );
+            if ( i_val & SDIVIDEO_EVENT_RX_FIFO )
+                msg_Warn( p_demux, "onboard receive FIFO overrun");
+            if ( i_val & SDIVIDEO_EVENT_RX_CARRIER )
+                msg_Warn( p_demux, "carrier status change");
+            if ( i_val & SDIVIDEO_EVENT_RX_DATA )
+                msg_Warn( p_demux, "data status change");
+            if ( i_val & SDIVIDEO_EVENT_RX_STD )
+                msg_Warn( p_demux, "standard status change");
+        }
+
+        p_sys->i_next_adate += CLOCK_GAP;
+        p_sys->i_next_vdate += CLOCK_GAP;
+    }
+
+    if ( p_sys->i_max_channel != -1 && pfd[1].revents & POLLPRI )
+    {
+        unsigned int i_val;
+
+        if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_RXGETEVENTS, &i_val ) < 0 )
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETEVENTS %s",
+                      strerror(errno) );
+        else
+        {
+            if ( i_val & SDIAUDIO_EVENT_RX_BUFFER )
+                msg_Warn( p_demux, "driver receive buffer queue overrun" );
+            if ( i_val & SDIAUDIO_EVENT_RX_FIFO )
+                msg_Warn( p_demux, "onboard receive FIFO overrun");
+            if ( i_val & SDIAUDIO_EVENT_RX_CARRIER )
+                msg_Warn( p_demux, "carrier status change");
+            if ( i_val & SDIAUDIO_EVENT_RX_DATA )
+                msg_Warn( p_demux, "data status change");
+        }
+
+        p_sys->i_next_adate += CLOCK_GAP;
+        p_sys->i_next_vdate += CLOCK_GAP;
+    }
+
+    if ( pfd[0].revents & POLLIN )
+    {
+#ifdef HAVE_MMAP_SDIVIDEO
+        if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_DQBUF, p_sys->i_current_vbuffer )
+              < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_DQBUF %s",
+                      strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        if( HandleVideo( p_demux, p_sys->pp_vbuffers[p_sys->i_current_vbuffer] ) != VLC_SUCCESS )
+            return VLC_ENOMEM;
+
+        if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_QBUF, p_sys->i_current_vbuffer )
+              < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_QBUF %s",
+                      strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        p_sys->i_current_vbuffer++;
+        p_sys->i_current_vbuffer %= p_sys->i_vbuffers;
+#else
+        uint8_t *p_buffer = malloc( p_sys->i_vbuffer_size );
+        if( unlikely( !p_buffer ) )
+            return VLC_ENOMEM;
+
+        if ( read( p_sys->i_vfd, p_buffer, p_sys->i_vbuffer_size ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't read %s", strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        if( HandleVideo( p_demux, p_buffer ) != VLC_SUCCESS )
+        {
+            free( p_buffer );
+            return VLC_ENOMEM;
+        }
+        free( p_buffer );
+#endif
+    }
+
+    if ( p_sys->i_max_channel != -1 && pfd[1].revents & POLLIN )
+    {
+#ifdef HAVE_MMAP_SDIAUDIO
+        if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_DQBUF, p_sys->i_current_abuffer )
+              < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_DQBUF %s",
+                      strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        if( HandleAudio( p_demux, p_sys->pp_abuffers[p_sys->i_current_abuffer] ) != VLC_SUCCESS )
+            return VLC_ENOMEM;
+
+        if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_QBUF, p_sys->i_current_abuffer )
+              < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_QBUF %s",
+                      strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        p_sys->i_current_abuffer++;
+        p_sys->i_current_abuffer %= p_sys->i_abuffers;
+#else
+        uint8_t *p_buffer = malloc( p_sys->i_abuffer_size );
+        if( unlikely( !p_buffer ) )
+            return VLC_ENOMEM;
+
+        if ( read( p_sys->i_afd, p_buffer, p_sys->i_abuffer_size ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't read %s", strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        if( HandleAudio( p_demux, p_buffer ) != VLC_SUCCESS )
+        {
+            free( p_buffer );
+            return VLC_ENOMEM;
+        }
+        free( p_buffer );
+#endif
+    }
+
+    return VLC_SUCCESS;
+}

modules/access/linsys/linsys_sdi.c

+/*****************************************************************************
+ * linsys_sdi.c: SDI capture for Linear Systems/Computer Modules cards
+ *****************************************************************************
+ * Copyright (C) 2009-2011 VideoLAN
+ *
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <poll.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+
+#include <vlc_input.h>
+#include <vlc_access.h>
+#include <vlc_demux.h>
+
+#include <vlc_fs.h>
+
+#include "linsys_sdi.h"
+
+#undef ZVBI_DEBUG
+#include <libzvbi.h>
+
+#define SDI_DEVICE        "/dev/sdirx%u"
+#define SDI_BUFFERS_FILE  "/sys/class/sdi/sdirx%u/buffers"
+#define SDI_BUFSIZE_FILE  "/sys/class/sdi/sdirx%u/bufsize"
+#define SDI_MODE_FILE     "/sys/class/sdi/sdirx%u/mode"
+#define READ_TIMEOUT      80000
+#define RESYNC_TIMEOUT    500000
+#define CLOCK_GAP         INT64_C(500000)
+#define START_DATE        INT64_C(4294967296)
+
+#define DEMUX_BUFFER_SIZE 1350000
+#define MAX_AUDIOS        4
+#define SAMPLERATE_TOLERANCE 0.1
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( \
+    "Allows you to modify the default caching value for sdi capture " \
+    "streams. This value should be set in millisecond units." )
+#define LINK_TEXT N_("Link #")
+#define LINK_LONGTEXT N_( \
+    "Allows you to set the desired link of the board for the capture (starting at 0)." )
+#define VIDEO_TEXT N_("Video ID")
+#define VIDEO_LONGTEXT N_( \
+    "Allows you to set the ES ID of the video." )
+#define VIDEO_ASPECT_TEXT N_("Aspect ratio")
+#define VIDEO_ASPECT_LONGTEXT N_( \
+    "Allows you to force the aspect ratio of the video." )
+#define AUDIO_TEXT N_("Audio configuration")
+#define AUDIO_LONGTEXT N_( \
+    "Allows you to set audio configuration (id=group,pair:id=group,pair...)." )
+#define TELX_TEXT N_("Teletext configuration")
+#define TELX_LONGTEXT N_( \
+    "Allows you to set Teletext configuration (id=line1-lineN with both fields)." )
+#define TELX_LANG_TEXT N_("Teletext language")
+#define TELX_LANG_LONGTEXT N_( \
+    "Allows you to set Teletext language (page=lang/type,...)." )
+
+static int  Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+static int  DemuxOpen ( vlc_object_t * );
+static void DemuxClose( vlc_object_t * );
+
+vlc_module_begin()
+    set_description( N_("SDI Input") )
+    set_shortname( N_("sdi") )
+    set_category( CAT_INPUT )
+    set_subcategory( SUBCAT_INPUT_ACCESS )
+
+    add_integer( "linsys-sdi-caching", DEFAULT_PTS_DELAY / 1000,
+        CACHING_TEXT, CACHING_LONGTEXT, true )
+    add_integer( "linsys-sdi-link", 0,
+        LINK_TEXT, LINK_LONGTEXT, true )
+
+    add_integer( "linsys-sdi-id-video", 0, VIDEO_TEXT, VIDEO_LONGTEXT, true )
+    add_string( "linsys-sdi-aspect-ratio", "", VIDEO_ASPECT_TEXT,
+                VIDEO_ASPECT_LONGTEXT, true )
+    add_string( "linsys-sdi-audio", "0=1,1", AUDIO_TEXT, AUDIO_LONGTEXT, true )
+    add_string( "linsys-sdi-telx", "", TELX_TEXT, TELX_LONGTEXT, true )
+    add_string( "linsys-sdi-telx-lang", "", TELX_LANG_TEXT, TELX_LANG_LONGTEXT,
+                true )
+
+    set_capability( "access_demux", 0 )
+    add_shortcut( "linsys-sdi" )
+    set_callbacks( Open, Close )
+
+    add_submodule()
+        set_description( N_("SDI Demux") )
+        set_capability( "demux", 0 )
+        set_callbacks( DemuxOpen, DemuxClose )
+vlc_module_end()
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+typedef struct sdi_audio_t
+{
+    unsigned int i_group, i_pair;
+
+    /* SDI parser */
+    int32_t      i_delay;
+    unsigned int i_rate;
+    uint8_t      i_block_number;
+    int16_t      *p_buffer;
+    unsigned int i_left_samples, i_right_samples, i_nb_samples, i_max_samples;
+
+    /* ES stuff */
+    int          i_id;
+    es_out_id_t  *p_es;
+} sdi_audio_t;
+
+enum {
+    STATE_NOSYNC,
+    STATE_STARTSYNC,
+    STATE_ANCSYNC,
+    STATE_LINESYNC,
+    STATE_ACTIVESYNC,
+    STATE_VBLANKSYNC,
+    STATE_PICSYNC,
+    STATE_SYNC,
+};
+
+struct demux_sys_t
+{
+    /* device reader */
+    int              i_fd;
+    unsigned int     i_link;
+    uint8_t          **pp_buffers;
+    unsigned int     i_buffers, i_current_buffer;
+    unsigned int     i_buffer_size;
+
+    /* SDI sync */
+    int              i_state;
+    mtime_t          i_last_state_change;
+    unsigned int     i_anc_size, i_active_size, i_picture_size;
+    unsigned int     i_line_offset, i_nb_lines;
+
+    /* SDI parser */
+    unsigned int     i_line_buffer;
+    unsigned int     i_current_line;
+    uint8_t          *p_line_buffer;
+    block_t          *p_current_picture;
+    uint8_t          *p_y, *p_u, *p_v;
+    uint8_t          *p_wss_buffer;
+    uint8_t          *p_telx_buffer;
+
+    /* picture decoding */
+    unsigned int     i_frame_rate, i_frame_rate_base;
+    unsigned int     i_width, i_height, i_aspect, i_forced_aspect;
+    unsigned int     i_block_size;
+    unsigned int     i_telx_line, i_telx_count;
+    char             *psz_telx, *psz_telx_lang;
+    bool             b_hd, b_vbi;
+    vbi_raw_decoder  rd_wss, rd_telx;
+    mtime_t          i_next_date;
+    int              i_incr;
+
+    /* ES stuff */
+    int              i_id_video;
+    es_out_id_t      *p_es_video;
+    sdi_audio_t      p_audios[MAX_AUDIOS];
+    es_out_id_t      *p_es_telx;
+};
+
+static int Control( demux_t *, int, va_list );
+static int DemuxControl( demux_t *, int, va_list );
+static int Demux( demux_t * );
+static int DemuxDemux( demux_t * );
+
+static int InitWSS( demux_t *p_demux );
+static int InitTelx( demux_t *p_demux );
+
+static int HandleSDBuffer( demux_t *p_demux, uint8_t *p_buffer,
+                           unsigned int i_buffer_size );
+
+static int InitCapture( demux_t *p_demux );
+static void CloseCapture( demux_t *p_demux );
+static int Capture( demux_t *p_demux );
+
+/*****************************************************************************
+ * DemuxOpen:
+ *****************************************************************************/
+static int DemuxOpen( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys;
+    char        *psz_parser;
+
+    /* Fill p_demux field */
+    p_demux->pf_demux = DemuxDemux;
+    p_demux->pf_control = DemuxControl;
+    p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
+    if( unlikely(!p_sys ) )
+        return VLC_ENOMEM;
+
+    p_sys->i_state = STATE_NOSYNC;
+    p_sys->i_last_state_change = mdate();
+
+    /* SDI AR */
+    char *psz_ar = var_InheritString( p_demux, "linsys-sdi-aspect-ratio" );
+    if ( psz_ar != NULL )
+    {
+        psz_parser = strchr( psz_ar, ':' );
+        if ( psz_parser )
+        {
+            *psz_parser++ = '\0';
+            p_sys->i_forced_aspect = p_sys->i_aspect =
+                 strtol( psz_ar, NULL, 0 ) * VOUT_ASPECT_FACTOR
+                 / strtol( psz_parser, NULL, 0 );
+        }
+        else
+            p_sys->i_forced_aspect = 0;
+        free( psz_ar );
+    }
+
+    /* */
+    p_sys->i_id_video = var_InheritInteger( p_demux, "linsys-sdi-id-video" );
+
+    /* Audio ES */
+    char *psz_string = psz_parser = var_InheritString( p_demux,
+                                                       "linsys-sdi-audio" );
+    int i = 0;
+
+    while ( psz_parser != NULL && *psz_parser )
+    {
+        int i_id, i_group, i_pair;
+        char *psz_next = strchr( psz_parser, '=' );
+        if ( psz_next != NULL )
+        {
+            *psz_next = '\0';
+            i_id = strtol( psz_parser, NULL, 0 );
+            psz_parser = psz_next + 1;
+        }
+        else
+            i_id = 0;
+
+        psz_next = strchr( psz_parser, ':' );
+        if ( psz_next != NULL )
+        {
+            *psz_next = '\0';
+            psz_next++;
+        }
+
+        if ( sscanf( psz_parser, "%d,%d", &i_group, &i_pair ) == 2 )
+        {
+            p_sys->p_audios[i].i_group = i_group;
+            p_sys->p_audios[i].i_pair = i_pair;
+            p_sys->p_audios[i].i_id = i_id;
+            i++;
+        }
+        else
+            msg_Warn( p_demux, "malformed audio configuration (%s)",
+                      psz_parser );
+
+        psz_parser = psz_next;
+    }
+    free( psz_string );
+
+    /* Teletext ES */
+    p_sys->psz_telx = var_InheritString( p_demux, "linsys-sdi-telx" );
+
+    p_sys->psz_telx_lang = var_InheritString( p_demux, "linsys-sdi-telx-lang" );
+
+    return VLC_SUCCESS;
+}
+
+static int Open( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys;
+    int         i_ret;
+
+    if ( (i_ret = DemuxOpen( p_this )) != VLC_SUCCESS )
+        return i_ret;
+
+    /* Fill p_demux field */
+    p_demux->pf_demux    = Demux;
+    p_demux->pf_control  = Control;
+    p_sys = p_demux->p_sys;
+
+    /* Update default_pts to a suitable value for sdi access */
+    var_Create( p_demux, "linsys-sdi-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
+
+    p_sys->i_link = var_InheritInteger( p_demux, "linsys-sdi-link" );
+
+    if( InitCapture( p_demux ) != VLC_SUCCESS )
+    {
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * DemuxClose:
+ *****************************************************************************/
+static void DemuxClose( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+    demux_sys_t *p_sys   = p_demux->p_sys;
+
+    free( p_sys->psz_telx );
+    free( p_sys->psz_telx_lang );
+    free( p_sys );
+}
+
+static void Close( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t *)p_this;
+
+    CloseCapture( p_demux );
+    DemuxClose( p_this );
+}
+
+/*****************************************************************************
+ * DemuxDemux:
+ *****************************************************************************/
+static int DemuxDemux( demux_t *p_demux )
+{
+    block_t *p_block = stream_Block( p_demux->s, DEMUX_BUFFER_SIZE );
+    int i_ret;
+
+    if ( p_block == NULL )
+        return 0;
+
+    i_ret = HandleSDBuffer( p_demux, p_block->p_buffer, p_block->i_buffer );
+    block_Release( p_block );
+
+    return ( i_ret == VLC_SUCCESS );
+}
+
+static int Demux( demux_t *p_demux )
+{
+    return ( Capture( p_demux ) == VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
+{
+    return demux_vaControlHelper( p_demux->s, -1, -1, 270000000, 1, i_query,
+                                   args );
+}
+
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+    bool *pb;
+    int64_t *pi64;
+
+    switch( i_query )
+    {
+        /* Special for access_demux */
+        case DEMUX_CAN_PAUSE:
+        case DEMUX_CAN_CONTROL_PACE:
+            /* TODO */
+            pb = (bool*)va_arg( args, bool * );
+            *pb = false;
+            return VLC_SUCCESS;
+
+        case DEMUX_GET_PTS_DELAY:
+            pi64 = (int64_t*)va_arg( args, int64_t * );
+            *pi64 = (int64_t)var_GetInteger( p_demux, "linsys-sdi-caching" ) * 1000;
+            return VLC_SUCCESS;
+
+        /* TODO implement others */
+        default:
+            return VLC_EGENERIC;
+    }
+}
+
+/*****************************************************************************
+ * Video, audio & VBI decoding
+ *****************************************************************************/
+#define WSS_LINE        23
+
+struct block_extension_t
+{
+    bool            b_progressive;          /**< is it a progressive frame ? */
+    bool            b_top_field_first;             /**< which field is first */
+    unsigned int    i_nb_fields;                  /**< # of displayed fields */
+    unsigned int    i_aspect;                     /**< aspect ratio of frame */
+};
+
+static int NewFrame( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    p_sys->p_current_picture = block_New( p_demux, p_sys->i_block_size );
+    if( unlikely( !p_sys->p_current_picture ) )
+        return VLC_ENOMEM;
+    p_sys->p_y = p_sys->p_current_picture->p_buffer;
+    p_sys->p_u = p_sys->p_y + p_sys->i_width * p_sys->i_height;
+    p_sys->p_v = p_sys->p_u + p_sys->i_width * p_sys->i_height / 4;
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        sdi_audio_t *p_audio = &p_sys->p_audios[i];
+        p_audio->i_left_samples = p_audio->i_right_samples = 0;
+    }
+    return VLC_SUCCESS;
+}
+
+static int StartDecode( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    es_format_t fmt;
+    char *psz_parser;
+
+    p_sys->i_next_date = START_DATE;
+    p_sys->i_incr = 1000000 * p_sys->i_frame_rate_base / p_sys->i_frame_rate;
+    p_sys->i_block_size = p_sys->i_width * p_sys->i_height * 3 / 2
+                           + sizeof(struct block_extension_t);
+    if( NewFrame( p_demux ) != VLC_SUCCESS )
+        return VLC_ENOMEM;
+
+    /* Video ES */
+    es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_I420 );
+    fmt.i_id                    = p_sys->i_id_video;
+    fmt.video.i_frame_rate      = p_sys->i_frame_rate;
+    fmt.video.i_frame_rate_base = p_sys->i_frame_rate_base;
+    fmt.video.i_width           = p_sys->i_width;
+    fmt.video.i_height          = p_sys->i_height;
+    int i_aspect = p_sys->i_forced_aspect ? p_sys->i_forced_aspect
+                                          : p_sys->i_aspect;
+    fmt.video.i_sar_num = i_aspect * fmt.video.i_height
+                           / fmt.video.i_width;
+    fmt.video.i_sar_den = VOUT_ASPECT_FACTOR;
+    p_sys->p_es_video   = es_out_Add( p_demux->out, &fmt );
+
+    if ( p_sys->b_vbi && InitWSS( p_demux ) != VLC_SUCCESS )
+        p_sys->b_vbi = 0;
+
+    /* Teletext ES */
+    psz_parser = p_sys->psz_telx;
+    if ( psz_parser != NULL && *psz_parser )
+    {
+        if ( !p_sys->b_vbi )
+        {
+            msg_Warn( p_demux, "VBI is unsupported on this input stream" );
+        }
+        else
+        {
+            int i_id;
+            char *psz_next = strchr( psz_parser, '=' );
+            if ( psz_next != NULL )
+            {
+                *psz_next = '\0';
+                i_id = strtol( psz_parser, NULL, 0 );
+                psz_parser = psz_next + 1;
+            }
+            else
+                i_id = 0;
+
+            psz_next = strchr( psz_parser, '-' );
+            if ( psz_next != NULL )
+                *psz_next++ = '\0';
+
+            p_sys->i_telx_line = strtol( psz_parser, NULL, 0 ) - 1;
+            if ( psz_next != NULL )
+                p_sys->i_telx_count = strtol( psz_next, NULL, 0 )
+                                       - p_sys->i_telx_line - 1 + 1;
+            else
+                p_sys->i_telx_count = 1;
+
+            if ( InitTelx( p_demux ) == VLC_SUCCESS )
+            {
+                int i_dr_size = 0;
+                uint8_t *p_dr = NULL;
+
+                msg_Dbg( p_demux, "capturing VBI lines %d-%d and %d-%d",
+                         p_sys->i_telx_line + 1,
+                         p_sys->i_telx_line + 1 + p_sys->i_telx_count - 1,
+                         p_sys->i_telx_line + 1 + 313,
+                         p_sys->i_telx_line + 1 + 313
+                                                + p_sys->i_telx_count - 1 );
+
+                es_format_Init( &fmt, SPU_ES, VLC_CODEC_TELETEXT );
+                fmt.i_id = i_id;
+
+                /* Teletext language & type */
+                psz_parser = p_sys->psz_telx_lang;
+
+                while ( (psz_next = strchr( psz_parser, '=' )) != NULL )
+                {
+                    int i_page;
+                    *psz_next++ = '\0';
+                    if ( !psz_next[0] || !psz_next[1] || !psz_next[2] )
+                        break;
+                    i_page = strtol( psz_parser, NULL, 0 );
+                    i_dr_size += 5;
+                    p_dr = realloc( p_dr, i_dr_size );
+                    p_dr[i_dr_size - 5] = *psz_next++;
+                    p_dr[i_dr_size - 4] = *psz_next++;
+                    p_dr[i_dr_size - 3] = *psz_next++;
+                    if ( *psz_next == '/' )
+                    {
+                        psz_next++;
+                        p_dr[i_dr_size - 2] = strtol( psz_next, &psz_next, 0 )
+                                               << 3;
+                    }
+                    else  /* subtitle for hearing impaired */
+                        p_dr[i_dr_size - 2] = 0x5 << 3;
+                    p_dr[i_dr_size - 2] |= (i_page / 100) & 0x7;
+                    p_dr[i_dr_size - 1] = i_page % 100;
+
+                    if ( *psz_next == ',' )
+                        psz_next++;
+                    psz_parser = psz_next;
+                }
+
+                fmt.i_extra = i_dr_size;
+                fmt.p_extra = p_dr;
+                p_sys->p_es_telx = es_out_Add( p_demux->out, &fmt );
+            }
+            else
+                p_sys->i_telx_count = 0;
+        }
+    }
+    return VLC_SUCCESS;
+}
+
+static void StopDecode( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    if ( p_sys->i_state != STATE_SYNC )
+        return;
+
+    free( p_sys->p_line_buffer );
+
+    block_Release( p_sys->p_current_picture );
+    p_sys->p_current_picture = NULL;
+    es_out_Del( p_demux->out, p_sys->p_es_video );
+
+    if ( p_sys->b_vbi )
+    {
+        free( p_sys->p_wss_buffer );
+        p_sys->p_wss_buffer = NULL;
+        vbi_raw_decoder_destroy( &p_sys->rd_wss );
+
+        if ( p_sys->p_es_telx )
+        {
+            es_out_Del( p_demux->out, p_sys->p_es_telx );
+            free( p_sys->p_telx_buffer );
+            p_sys->p_telx_buffer = NULL;
+            vbi_raw_decoder_destroy( &p_sys->rd_telx );
+        }
+    }
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        sdi_audio_t *p_audio = &p_sys->p_audios[i];
+        if ( p_audio->i_group && p_audio->p_es != NULL )
+        {
+            es_out_Del( p_demux->out, p_audio->p_es );
+            p_audio->p_es = NULL;
+            free( p_audio->p_buffer );
+            p_audio->p_buffer = NULL;
+        }
+    }
+}
+
+static void InitVideo( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    int i_total_width = (p_sys->i_anc_size + p_sys->i_active_size) * 4 / 5;
+    p_sys->i_width = (p_sys->i_active_size - 5) * 4 / 10;
+    if ( p_sys->i_nb_lines == 625 )
+    {
+        /* PAL */
+        p_sys->i_frame_rate      = 25;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_height          = 576;
+        p_sys->i_aspect          = 4 * VOUT_ASPECT_FACTOR / 3;
+        p_sys->b_hd              = false;
+    }
+    else if ( p_sys->i_nb_lines == 525 )
+    {
+        /* NTSC */
+        p_sys->i_frame_rate      = 30000;
+        p_sys->i_frame_rate_base = 1001;
+        p_sys->i_height          = 480;
+        p_sys->i_aspect          = 4 * VOUT_ASPECT_FACTOR / 3;
+        p_sys->b_hd              = false;
+    }
+    else if ( p_sys->i_nb_lines == 1125 && i_total_width == 2640 )
+    {
+        /* 1080i50 or 1080p25 */
+        p_sys->i_frame_rate      = 25;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_height          = 1080;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        p_sys->b_hd              = true;
+    }
+    else if ( p_sys->i_nb_lines == 1125 && i_total_width == 2200 )
+    {
+        /* 1080i60 or 1080p30 */
+        p_sys->i_frame_rate      = 30000;
+        p_sys->i_frame_rate_base = 1001;
+        p_sys->i_height          = 1080;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        p_sys->b_hd              = true;
+    }
+    else if ( p_sys->i_nb_lines == 750 && i_total_width == 1980 )
+    {
+        /* 720p50 */
+        p_sys->i_frame_rate      = 50;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_height          = 720;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        p_sys->b_hd              = true;
+    }
+    else if ( p_sys->i_nb_lines == 750 && i_total_width == 1650 )
+    {
+        /* 720p60 */
+        p_sys->i_frame_rate      = 60000;
+        p_sys->i_frame_rate_base = 1001;
+        p_sys->i_height          = 720;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        p_sys->b_hd              = true;
+    }
+    else
+    {
+        msg_Warn( p_demux, "unable to determine video type" );
+        /* Put sensitive defaults */
+        p_sys->i_frame_rate      = 25;
+        p_sys->i_frame_rate_base = 1;
+        p_sys->i_height          = p_sys->i_nb_lines;
+        p_sys->i_aspect          = 16 * VOUT_ASPECT_FACTOR / 9;
+        p_sys->b_hd              = true;
+    }
+    p_sys->b_vbi = !p_sys->b_hd;
+}
+
+static void DecodeVideo( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    struct block_extension_t ext;
+
+    /* FIXME: progressive formats ? */
+    ext.b_progressive     = false;
+    ext.i_nb_fields       = 2;
+    ext.b_top_field_first = true;
+    ext.i_aspect = p_sys->i_forced_aspect ? p_sys->i_forced_aspect :
+                   p_sys->i_aspect;
+
+    memcpy( &p_sys->p_current_picture->p_buffer[p_sys->i_block_size
+                                     - sizeof(struct block_extension_t)],
+            &ext, sizeof(struct block_extension_t) );
+
+    p_sys->p_current_picture->i_dts = p_sys->p_current_picture->i_pts
+        = p_sys->i_next_date;
+    es_out_Send( p_demux->out, p_sys->p_es_video, p_sys->p_current_picture );
+}
+
+static int InitWSS( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    vbi_raw_decoder_init( &p_sys->rd_wss );
+
+    p_sys->rd_wss.scanning        = 625;
+    p_sys->rd_wss.sampling_format = VBI_PIXFMT_UYVY;
+    p_sys->rd_wss.sampling_rate   = 13.5e6;
+    p_sys->rd_wss.bytes_per_line  = 720 * 2;
+    p_sys->rd_wss.offset          = 9.5e-6 * 13.5e6;
+
+    p_sys->rd_wss.start[0] = 23;
+    p_sys->rd_wss.count[0] = 1;
+    p_sys->rd_wss.start[1] = 0;
+    p_sys->rd_wss.count[1] = 0;
+
+    p_sys->rd_wss.interlaced = FALSE;
+    p_sys->rd_wss.synchronous = TRUE;
+
+    if ( vbi_raw_decoder_add_services( &p_sys->rd_wss,
+                                       VBI_SLICED_WSS_625,
+                                       /* strict */ 2 ) == 0 )
+    {
+        msg_Warn( p_demux, "cannot initialize zvbi for WSS" );
+        vbi_raw_decoder_destroy ( &p_sys->rd_telx );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->p_wss_buffer = malloc( p_sys->i_width * 2 );
+    if( !p_sys->p_wss_buffer )
+    {
+        vbi_raw_decoder_destroy ( &p_sys->rd_telx );
+        return VLC_ENOMEM;
+    }
+    return VLC_SUCCESS;
+}
+
+static void DecodeWSS( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    vbi_sliced p_sliced[1];
+
+    if ( vbi_raw_decode( &p_sys->rd_wss, p_sys->p_wss_buffer, p_sliced ) == 0 )
+    {
+        p_sys->i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
+    }
+    else
+    {
+        unsigned int i_old_aspect = p_sys->i_aspect;
+        uint8_t *p = p_sliced[0].data;
+        int i_aspect, i_parity;
+
+        i_aspect = p[0] & 15;
+        i_parity = i_aspect;
+        i_parity ^= i_parity >> 2;
+        i_parity ^= i_parity >> 1;
+        i_aspect &= 7;
+
+        if ( !(i_parity & 1) )
+            msg_Warn( p_demux, "WSS parity error" );
+        else if ( i_aspect == 7 )
+            p_sys->i_aspect = 16 * VOUT_ASPECT_FACTOR / 9;
+        else
+            p_sys->i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
+
+        if ( p_sys->i_aspect != i_old_aspect )
+            msg_Dbg( p_demux, "new WSS information (ra=%x md=%x cod=%x hlp=%x rvd=%x sub=%x pos=%x srd=%x c=%x cp=%x)",
+                     i_aspect, (p[0] & 0x10) >> 4, (p[0] & 0x20) >> 5,
+                     (p[0] & 0x40) >> 6, (p[0] & 0x80) >> 7, p[1] & 0x01,
+                     (p[1] >> 1) & 3, (p[1] & 0x08) >> 3, (p[1] & 0x10) >> 4,
+                     (p[1] & 0x20) >> 5 );
+    }
+}
+
+static int InitTelx( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    vbi_raw_decoder_init( &p_sys->rd_telx );
+
+    p_sys->rd_telx.scanning        = 625;
+    p_sys->rd_telx.sampling_format = VBI_PIXFMT_UYVY;
+    p_sys->rd_telx.sampling_rate   = 13.5e6;
+    p_sys->rd_telx.bytes_per_line  = 720 * 2;
+    p_sys->rd_telx.offset          = 9.5e-6 * 13.5e6;
+
+    p_sys->rd_telx.start[0] = p_sys->i_telx_line + 1;
+    p_sys->rd_telx.count[0] = p_sys->i_telx_count;
+    p_sys->rd_telx.start[1] = p_sys->i_telx_line + 1 + 313;
+    p_sys->rd_telx.count[1] = p_sys->i_telx_count;
+
+    p_sys->rd_telx.interlaced = FALSE;
+    p_sys->rd_telx.synchronous = TRUE;
+
+    if ( vbi_raw_decoder_add_services( &p_sys->rd_telx, VBI_SLICED_TELETEXT_B,
+                                       0 ) == 0 )
+    {
+        msg_Warn( p_demux, "cannot initialize zvbi for Teletext" );
+        vbi_raw_decoder_destroy ( &p_sys->rd_telx );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->p_telx_buffer = malloc( p_sys->i_telx_count * p_sys->i_width * 4 );
+    if( !p_sys->p_telx_buffer )
+    {
+        vbi_raw_decoder_destroy ( &p_sys->rd_telx );
+        return VLC_ENOMEM;
+    }
+    return VLC_SUCCESS;
+}
+
+static int DecodeTelx( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    vbi_sliced p_sliced[p_sys->i_telx_count * 2];
+    int i_nb_slices = vbi_raw_decode( &p_sys->rd_telx, p_sys->p_telx_buffer,
+                                      p_sliced );
+
+    if ( i_nb_slices )
+    {
+        /* 3, 7, 11, 15, etc. */
+        int i_nb_slices_rounded = 3 + (i_nb_slices / 4) * 4;
+        int i;
+        uint8_t *p;
+        block_t *p_block = block_New( p_demux,
+                                      1 + i_nb_slices_rounded * 46 );
+        if( unlikely( !p_block ) )
+            return VLC_ENOMEM;
+        p_block->p_buffer[0] = 0x10; /* FIXME ? data_identifier */
+        p = p_block->p_buffer + 1;
+
+        for ( i = 0; i < i_nb_slices; i++ )
+        {
+            int i_line = p_sliced[i].line;
+            p[0] = 0x3; /* FIXME data_unit_id == subtitles */
+            p[1] = 0x2c; /* data_unit_length */
+            /* reserved | field_parity (kind of inverted) | line */
+            p[2] = 0xc0 | (i_line > 313 ? 0 : 0x20) | (i_line % 313);
+            p[3] = 0xe4; /* framing code */
+            for ( int j = 0; j < 42; j++ )
+                p[4 + j] = vbi_rev8( p_sliced[i].data[j] );
+            p += 46;
+        }
+
+        /* Let's stuff */
+        for ( ; i < i_nb_slices_rounded; i++ )
+        {
+            p[0] = 0xff;
+            p[1] = 0x2c;
+            memset( p + 2, 0xff, 44 );
+            p += 46;
+        }
+
+        p_block->i_dts = p_block->i_pts = p_sys->i_next_date;
+        es_out_Send( p_demux->out, p_sys->p_es_telx, p_block );
+    }
+    return VLC_SUCCESS;
+}
+
+static int InitAudio( demux_t *p_demux, sdi_audio_t *p_audio )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    es_format_t fmt;
+
+    msg_Dbg( p_demux, "starting audio %u/%u rate:%u delay:%d", p_audio->i_group,
+             p_audio->i_pair, p_audio->i_rate, p_audio->i_delay );
+
+    es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_S16L );
+    fmt.i_id = p_audio->i_id;
+    fmt.audio.i_channels          = 2;
+    fmt.audio.i_physical_channels = 6;
+    fmt.audio.i_original_channels = 6;
+    fmt.audio.i_rate              = p_audio->i_rate;
+    fmt.audio.i_bitspersample     = 16;
+    fmt.audio.i_blockalign        = fmt.audio.i_channels *
+                                    fmt.audio.i_bitspersample / 8;
+    fmt.i_bitrate                 = fmt.audio.i_channels * fmt.audio.i_rate *
+                                    fmt.audio.i_bitspersample;
+    p_audio->p_es                 = es_out_Add( p_demux->out, &fmt );
+
+    p_audio->i_nb_samples         = p_audio->i_rate * p_sys->i_frame_rate_base
+                                    / p_sys->i_frame_rate;
+    p_audio->i_max_samples        = (float)p_audio->i_nb_samples *
+                                    (1. + SAMPLERATE_TOLERANCE);
+
+    p_audio->p_buffer             = malloc( p_audio->i_max_samples * sizeof(int16_t) * 2 );
+    p_audio->i_left_samples       = p_audio->i_right_samples = 0;
+    p_audio->i_block_number       = 0;
+
+    if( unlikely( !p_audio->p_buffer ) )
+        return VLC_ENOMEM;
+    return VLC_SUCCESS;
+}
+
+/* Fast and efficient linear resampling routine */
+static void ResampleAudio( int16_t *p_out, int16_t *p_in,
+                           unsigned int i_out, unsigned int i_in )
+{
+    unsigned int i_remainder = 0;
+    float f_last_sample = (float)*p_in / 32768.0;
+
+    *p_out = *p_in;
+    p_out += 2;
+    p_in += 2;
+
+    for ( unsigned int i = 1; i < i_in; i++ )
+    {
+        float f_in = (float)*p_in / 32768.0;
+        while ( i_remainder < i_out )
+        {
+            float f_out = f_last_sample;
+            f_out += (f_in - f_last_sample) * i_remainder / i_out;
+            if ( f_out >= 1.0 ) *p_out = 32767;
+            else if ( f_out < -1.0 ) *p_out = -32768;
+            else *p_out = f_out * 32768.0;
+            p_out += 2;
+            i_remainder += i_in;
+        }
+
+        f_last_sample = f_in;
+        p_in += 2;
+        i_remainder -= i_out;
+    }
+}
+
+static int DecodeAudio( demux_t *p_demux, sdi_audio_t *p_audio )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    block_t *p_block;
+    int16_t *p_output;
+
+    if ( p_audio->p_buffer == NULL )
+        return VLC_EGENERIC;
+    if ( !p_audio->i_left_samples && !p_audio->i_right_samples )
+    {
+        msg_Warn( p_demux, "no audio %u/%u", p_audio->i_group,
+                  p_audio->i_pair );
+        return VLC_EGENERIC;
+    }
+    if ( p_audio->i_left_samples <
+            (float)p_audio->i_nb_samples * (1. - SAMPLERATE_TOLERANCE) ||
+        p_audio->i_left_samples >
+            (float)p_audio->i_nb_samples * (1. + SAMPLERATE_TOLERANCE) )
+    {
+        msg_Warn( p_demux,
+            "left samplerate out of tolerance for audio %u/%u (%u vs. %u)",
+            p_audio->i_group, p_audio->i_pair,
+            p_audio->i_left_samples, p_audio->i_nb_samples );
+        return VLC_EGENERIC;
+    }
+    if ( p_audio->i_right_samples <
+            (float)p_audio->i_nb_samples * (1. - SAMPLERATE_TOLERANCE) ||
+        p_audio->i_right_samples >
+            (float)p_audio->i_nb_samples * (1. + SAMPLERATE_TOLERANCE) )
+    {
+        msg_Warn( p_demux,
+            "right samplerate out of tolerance for audio %u/%u (%u vs. %u)",
+            p_audio->i_group, p_audio->i_pair,
+            p_audio->i_right_samples, p_audio->i_nb_samples );
+        return VLC_EGENERIC;
+    }
+
+    p_block = block_New( p_demux, p_audio->i_nb_samples * sizeof(int16_t) * 2 );
+    if( unlikely( !p_block ) )
+        return VLC_ENOMEM;
+    p_block->i_dts = p_block->i_pts = p_sys->i_next_date
+        + (mtime_t)p_audio->i_delay * INT64_C(1000000) / p_audio->i_rate;
+    p_output = (int16_t *)p_block->p_buffer;
+
+    if ( p_audio->i_left_samples == p_audio->i_nb_samples &&
+         p_audio->i_right_samples == p_audio->i_nb_samples )
+        vlc_memcpy( p_output, p_audio->p_buffer,
+                    p_audio->i_nb_samples * sizeof(int16_t) * 2 );
+    else
+    {
+        ResampleAudio( p_output, p_audio->p_buffer,
+                       p_audio->i_nb_samples, p_audio->i_left_samples );
+
+        ResampleAudio( p_output + 1, p_audio->p_buffer + 1,
+                       p_audio->i_nb_samples, p_audio->i_right_samples );
+    }
+
+    es_out_Send( p_demux->out, p_audio->p_es, p_block );
+    return VLC_SUCCESS;
+}
+
+static int DecodeFrame( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    if ( p_sys->b_vbi )
+    {
+        DecodeWSS( p_demux );
+
+        if ( p_sys->i_height == 576 )
+        {
+            /* For PAL, erase first half of line 23, last half of line 623,
+             * and line 624 ; no need to erase chrominance */
+            vlc_memset( p_sys->p_y, 0, p_sys->i_width / 2 );
+            vlc_memset( p_sys->p_y + p_sys->i_width * 574 + p_sys->i_width / 2,
+                        0, p_sys->i_width * 3 / 2 );
+        }
+    }
+
+    if ( p_sys->i_telx_count )
+        if ( DecodeTelx( p_demux ) != VLC_SUCCESS )
+            return VLC_ENOMEM;
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        if ( p_sys->p_audios[i].i_group && p_sys->p_audios[i].p_es != NULL )
+            if( DecodeAudio( p_demux, &p_sys->p_audios[i] ) != VLC_SUCCESS )
+                return VLC_EGENERIC;
+    }
+
+    DecodeVideo( p_demux );
+
+    es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_next_date );
+    p_sys->i_next_date += p_sys->i_incr;
+
+    if( NewFrame( p_demux ) != VLC_SUCCESS )
+        return VLC_ENOMEM;
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * SDI syntax parsing stuff
+ *****************************************************************************/
+#define FIELD_1_VBLANK_EAV  0xB6
+#define FIELD_1_VBLANK_SAV  0xAB
+#define FIELD_1_ACTIVE_EAV  0x9D
+#define FIELD_1_ACTIVE_SAV  0x80
+#define FIELD_2_VBLANK_EAV  0xF1
+#define FIELD_2_VBLANK_SAV  0xEC
+#define FIELD_2_ACTIVE_EAV  0xDA
+#define FIELD_2_ACTIVE_SAV  0xC7
+
+static const uint8_t *FindReferenceCode( uint8_t i_code,
+                                         const uint8_t *p_parser,
+                                         const uint8_t *p_end )
+{
+    while ( p_parser <= p_end - 5 )
+    {
+        if ( p_parser[0] == 0xff && p_parser[1] == 0x3 && p_parser[2] == 0x0
+              && p_parser[3] == 0x0 && p_parser[4] == i_code )
+            return p_parser;
+        p_parser += 5;
+    }
+
+    return NULL;
+}
+
+static const uint8_t *CountReference( unsigned int *pi_count, uint8_t i_code,
+                                      const uint8_t *p_parser,
+                                      const uint8_t *p_end )
+{
+    const uint8_t *p_tmp = FindReferenceCode( i_code, p_parser, p_end );
+    if ( p_tmp == NULL )
+    {
+        *pi_count += p_end - p_parser;
+        return NULL;
+    }
+    *pi_count += p_tmp - p_parser;
+    return p_tmp;
+}
+
+static const uint8_t *GetLine( demux_t *p_demux, const uint8_t **pp_parser,
+                               const uint8_t *p_end )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    unsigned int i_total_size = p_sys->i_anc_size + p_sys->i_active_size;
+    const uint8_t *p_tmp;
+
+    if ( p_sys->i_line_buffer )
+    {
+        unsigned int i_remaining = i_total_size - p_sys->i_line_buffer;
+        vlc_memcpy( p_sys->p_line_buffer + p_sys->i_line_buffer,
+                                   *pp_parser, i_remaining );
+        *pp_parser += i_remaining;
+        p_sys->i_line_buffer = 0;
+
+        return p_sys->p_line_buffer;
+    }
+
+    if ( p_end - *pp_parser < (int)i_total_size )
+    {
+        vlc_memcpy( p_sys->p_line_buffer, *pp_parser,
+                                   p_end - *pp_parser );
+        p_sys->i_line_buffer = p_end - *pp_parser;
+        return NULL;
+    }
+
+    p_tmp = *pp_parser;
+    *pp_parser += i_total_size;
+    return p_tmp;
+}
+
+#define U   (uint16_t)((p_line[0]) | ((p_line[1] & 0x3) << 8))
+#define Y1  (uint16_t)((p_line[1] >> 2) | ((p_line[2] & 0xf) << 6))
+#define V   (uint16_t)((p_line[2] >> 4) | ((p_line[3] & 0x3f) << 4))
+#define Y2  (uint16_t)((p_line[3] >> 6) | (p_line[4] << 2))
+
+static void UnpackVBI( const uint8_t *p_line, unsigned int i_size,
+                       uint8_t *p_dest )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        *p_dest++ = (U + 2) / 4;
+        *p_dest++ = (Y1 + 2) / 4;
+        *p_dest++ = (V + 2) / 4;
+        *p_dest++ = (Y2 + 2) / 4;
+        p_line += 5;
+    }
+}
+
+/* For lines 0 [4] or 1 [4] */
+static void Unpack01( const uint8_t *p_line, unsigned int i_size,
+                      uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        *p_u++ = (U + 2) / 4;
+        *p_y++ = (Y1 + 2) / 4;
+        *p_v++ = (V + 2) / 4;
+        *p_y++ = (Y2 + 2) / 4;
+        p_line += 5;
+    }
+}
+
+/* For lines 2 [4] */
+static void Unpack2( const uint8_t *p_line, unsigned int i_size,
+                     uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        uint16_t tmp;
+        tmp = 3 * *p_u;
+        tmp += (U + 2) / 4;
+        *p_u++ = tmp / 4;
+        *p_y++ = (Y1 + 2) / 4;
+        tmp = 3 * *p_v;
+        tmp += (V + 2) / 4;
+        *p_v++ = tmp / 4;
+        *p_y++ = (Y2 + 2) / 4;
+        p_line += 5;
+    }
+}
+
+/* For lines 3 [4] */
+static void Unpack3( const uint8_t *p_line, unsigned int i_size,
+                     uint8_t *p_y, uint8_t *p_u, uint8_t *p_v )
+{
+    const uint8_t *p_end = p_line + i_size;
+
+    while ( p_line < p_end )
+    {
+        uint16_t tmp;
+        tmp = *p_u;
+        tmp += 3 * (U + 2) / 4;
+        *p_u++ = tmp / 4;
+        *p_y++ = (Y1 + 2) / 4;
+        tmp = *p_v;
+        tmp += 3 * (V + 2) / 4;
+        *p_v++ = tmp / 4;
+        *p_y++ = (Y2 + 2) / 4;
+        p_line += 5;
+    }
+}
+
+#undef U
+#undef Y1
+#undef V
+#undef Y2
+
+#define A0  (uint16_t)((p_anc[0]) | ((p_anc[1] & 0x3) << 8))
+#define A1  (uint16_t)((p_anc[1] >> 2) | ((p_anc[2] & 0xf) << 6))
+#define A2  (uint16_t)((p_anc[2] >> 4) | ((p_anc[3] & 0x3f) << 4))
+#define A3  (uint16_t)((p_anc[3] >> 6) | (p_anc[4] << 2))
+
+static void UnpackAnc( const uint8_t *p_anc, unsigned int i_size,
+                       uint16_t *p_dest )
+{
+    const uint8_t *p_end = p_anc + i_size;
+
+    while ( p_anc <= p_end - 5 )
+    {
+        *p_dest++ = A0;
+        *p_dest++ = A1;
+        *p_dest++ = A2;
+        *p_dest++ = A3;
+        p_anc += 5;
+    }
+}
+
+#undef A0
+#undef A1
+#undef A2
+#undef A3
+
+static int HasAncillary( const uint8_t *p_anc )
+{
+    return ( (p_anc[0] == 0x0 && p_anc[1] == 0xfc && p_anc[2] == 0xff
+               && (p_anc[3] & 0x3f) == 0x3f) );
+}
+
+static void HandleAudioData( demux_t *p_demux, const uint16_t *p_anc,
+                             uint8_t i_data_count, uint8_t i_group,
+                             uint8_t i_block_number )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    if ( i_data_count % 3 )
+    {
+        msg_Warn( p_demux, "malformed audio data for group %u", i_group );
+        return;
+    }
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        sdi_audio_t *p_audio = &p_sys->p_audios[i];
+        if ( p_audio->i_group == i_group )
+        {
+            const uint16_t *x = p_anc;
+
+            /* SMPTE 272M says that when parsing a frame, if an audio config
+             * structure is present we will encounter it first. Otherwise
+             * it is assumed to be 48 kHz. */
+            if ( p_audio->p_es == NULL )
+            {
+                p_audio->i_rate = 48000;
+                p_audio->i_delay = 0;
+                if( InitAudio( p_demux, p_audio ) != VLC_SUCCESS )
+                    return;
+            }
+
+            if ( i_block_number )
+            {
+                if ( p_audio->i_block_number + 1 != i_block_number )
+                    msg_Warn( p_demux,
+                              "audio data block discontinuity (%"PRIu8"->%"PRIu8") for group %"PRIu8,
+                              p_audio->i_block_number, i_block_number,
+                              i_group );
+                if ( i_block_number == 0xff )
+                    p_audio->i_block_number = 0;
+                else
+                    p_audio->i_block_number = i_block_number;
+            }
+
+            while ( x < p_anc + i_data_count )
+            {
+                if ( ((*x & 0x4) && p_audio->i_pair == 2)
+                      || (!(*x & 0x4) && p_audio->i_pair == 1) )
+                {
+                    uint32_t i_tmp = (uint32_t)((x[0] & 0x1f1) >> 3)
+                                                  | ((x[1] & 0x1ff) << 6)
+                                                  | ((x[2] & 0x1f) << 15);
+                    int32_t i_sample;
+                    if ( x[2] & 0x10 )
+                        i_sample = i_tmp | 0xfff00000;
+                    else
+                        i_sample = i_tmp;
+
+                    if ( x[0] & 0x2 )
+                    {
+                        if ( p_audio->i_right_samples < p_audio->i_max_samples )
+                            p_audio->p_buffer[2 * p_audio->i_right_samples
+                                               + 1] = (i_sample + 8) / 16;
+                        p_audio->i_right_samples++;
+                    }
+                    else
+                    {
+                        if ( p_audio->i_left_samples < p_audio->i_max_samples )
+                            p_audio->p_buffer[2 * p_audio->i_left_samples]
+                                = (i_sample + 8) / 16;
+                        p_audio->i_left_samples++;
+                    }
+                }
+                x += 3;
+            }
+        }
+    }
+}
+
+static void HandleAudioConfig( demux_t *p_demux, const uint16_t *p_anc,
+                               uint8_t i_data_count, uint8_t i_group )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    if ( i_data_count != 18 )
+    {
+        msg_Warn( p_demux, "malformed audio config for group %u", i_group );
+        return;
+    }
+
+    for ( int i = 0; i < MAX_AUDIOS; i++ )
+    {
+        sdi_audio_t *p_audio = &p_sys->p_audios[i];
+        if ( p_audio->i_group == i_group && p_audio->p_es == NULL )
+        {
+            unsigned int i_rate;
+
+            if ( p_audio->i_pair == 2 )
+            {
+                i_rate = (p_anc[2] & 0xe0) >> 5;
+                if ( p_anc[7] & 0x1 )
+                {
+                    uint32_t i_tmp = ((p_anc[7] & 0x1fe) >> 1)
+                                       | ((p_anc[8] & 0x1ff) << 8)
+                                       | ((p_anc[9] & 0x1ff) << 17);
+                    if ( p_anc[9] & 0x80 )
+                        p_audio->i_delay = i_tmp | 0xfc000000;
+                    else
+                        p_audio->i_delay = i_tmp;
+                }
+                if ( p_anc[13] & 0x1 )
+                    msg_Warn( p_demux, "asymetric audio is not supported" );
+            }
+            else
+            {
+                i_rate = (p_anc[2] & 0xe) >> 1;
+                if ( p_anc[4] & 0x1 )
+                {
+                    uint32_t i_tmp = ((p_anc[4] & 0x1fe) >> 1)
+                                       | ((p_anc[5] & 0x1ff) << 8)
+                                       | ((p_anc[6] & 0x1ff) << 17);
+                    if ( p_anc[6] & 0x80 )
+                        p_audio->i_delay = i_tmp | 0xfc000000;
+                    else
+                        p_audio->i_delay = i_tmp;
+                }
+                if ( p_anc[10] & 0x1 )
+                    msg_Warn( p_demux, "asymetric audio is not supported" );
+            }
+
+            switch ( i_rate )
+            {
+            case 0: p_audio->i_rate = 48000; break;
+            case 1: p_audio->i_rate = 44100; break;
+            case 2: p_audio->i_rate = 32000; break;
+            default:
+                msg_Warn( p_demux, "unknown rate for audio %u/%u (%u)",
+                          i_group, p_sys->p_audios[i].i_pair, i_rate );
+                continue;
+            }
+
+            if( InitAudio( p_demux, p_audio ) != VLC_SUCCESS )
+                return;
+        }
+    }
+}
+
+/*
+ * Ancillary packet structure:
+ *  byte 0: Ancillary Data Flag (0)
+ *  byte 1: Ancillary Data Flag (0x3ff)
+ *  byte 2: Ancillary Data Flag (0x3ff)
+ *  byte 3: Data ID (2 high order bits = parity)
+ *  byte 4: Data Block Number 1-255 or 0=unknown (if DID < 0x80)
+ *       or Secondary Data ID (if DID >= 0x80)
+ *  byte 5: Data Count (10 bits)
+ *  byte 6+DC: Checksum
+ */
+static void HandleAncillary( demux_t *p_demux, const uint16_t *p_anc,
+                             unsigned int i_size )
+{
+    uint8_t i_data_count;
+
+    if ( i_size < 7
+          || p_anc[0] != 0x0 || p_anc[1] != 0x3ff || p_anc[2] != 0x3ff )
+        return;
+
+    i_data_count = p_anc[5] & 0xff;
+    if ( i_size - 6 < i_data_count )
+    {
+        msg_Warn( p_demux, "malformed ancillary packet (size %u > %u)",
+                  i_data_count, i_size - 6 );
+        return;
+    }
+
+    switch ( p_anc[3] ) /* Data ID */
+    {
+    case 0x2ff:
+        HandleAudioData( p_demux, p_anc + 6, i_data_count, 1, p_anc[4] & 0xff );
+        break;
+    case 0x1fd:
+        HandleAudioData( p_demux, p_anc + 6, i_data_count, 2, p_anc[4] & 0xff );
+        break;
+    case 0x1fb:
+        HandleAudioData( p_demux, p_anc + 6, i_data_count, 3, p_anc[4] & 0xff );
+        break;
+    case 0x2f9:
+        HandleAudioData( p_demux, p_anc + 6, i_data_count, 4, p_anc[4] & 0xff );
+        break;
+
+    case 0x1ef:
+        HandleAudioConfig( p_demux, p_anc + 6, i_data_count, 1 );
+        break;
+    case 0x2ee:
+        HandleAudioConfig( p_demux, p_anc + 6, i_data_count, 2 );
+        break;
+    case 0x2ed:
+        HandleAudioConfig( p_demux, p_anc + 6, i_data_count, 3 );
+        break;
+    case 0x1ec:
+        HandleAudioConfig( p_demux, p_anc + 6, i_data_count, 4 );
+        break;
+
+    /* Extended data packets, same order */
+    case 0x1fe:
+    case 0x2fc:
+    case 0x2fa:
+    case 0x1f8:
+
+    default:
+        break;
+
+    case 0x88: /* non-conforming ANC packet */
+        p_anc += 7;
+        i_size -= 7;
+        while ( i_size >= 7 && (p_anc[0] != 0x0 || p_anc[1] != 0x3ff
+                                 || p_anc[2] != 0x3ff) )
+        {
+            p_anc++;
+            i_size--;
+        }
+        if ( i_size >= 7 )
+            HandleAncillary( p_demux, p_anc, i_size );
+        return;
+    }
+
+    return HandleAncillary( p_demux, p_anc + i_data_count + 7,
+                            i_size - i_data_count - 7 );
+
+}
+
+static int HandleSDBuffer( demux_t *p_demux, uint8_t *p_buffer,
+                           unsigned int i_buffer_size )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    const uint8_t *p_parser = p_buffer;
+    const uint8_t *p_end = p_parser + i_buffer_size;
+    const uint8_t *p_line;
+
+    if ( p_sys->i_state != STATE_SYNC
+          && p_sys->i_last_state_change < mdate() - RESYNC_TIMEOUT )
+    {
+        p_sys->i_state = STATE_NOSYNC;
+        p_sys->i_last_state_change = mdate();
+        return VLC_EGENERIC;
+    }
+
+    switch ( p_sys->i_state )
+    {
+    case STATE_NOSYNC:
+    default:
+        p_parser = FindReferenceCode( FIELD_2_VBLANK_SAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_state = STATE_STARTSYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_STARTSYNC:
+        p_parser = FindReferenceCode( FIELD_1_VBLANK_EAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_anc_size = 0;
+        p_sys->i_state = STATE_ANCSYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_ANCSYNC:
+        p_parser = CountReference( &p_sys->i_anc_size,
+                                   FIELD_1_VBLANK_SAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_active_size = 0;
+        p_sys->i_state = STATE_LINESYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_LINESYNC:
+        p_parser = CountReference( &p_sys->i_active_size,
+                                   FIELD_1_VBLANK_EAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_picture_size = p_sys->i_anc_size + p_sys->i_active_size;
+        p_sys->i_state = STATE_ACTIVESYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_ACTIVESYNC:
+        p_parser = CountReference( &p_sys->i_picture_size,
+                                   FIELD_1_ACTIVE_EAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_line_offset = p_sys->i_picture_size
+                             / (p_sys->i_anc_size + p_sys->i_active_size);
+        p_sys->i_state = STATE_VBLANKSYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_VBLANKSYNC:
+        p_parser = CountReference( &p_sys->i_picture_size,
+                                   FIELD_2_ACTIVE_EAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+        p_sys->i_state = STATE_PICSYNC;
+        p_sys->i_last_state_change = mdate();
+
+    case STATE_PICSYNC:
+        p_parser = CountReference( &p_sys->i_picture_size,
+                                   FIELD_1_VBLANK_EAV, p_parser, p_end );
+        if ( p_parser == NULL )
+            break;
+
+        if ( p_sys->i_picture_size
+              % (p_sys->i_anc_size + p_sys->i_active_size) )
+        {
+            msg_Warn( p_demux, "wrong picture size (anc=%d active=%d total=%d offset=%d), syncing",
+                 p_sys->i_anc_size, p_sys->i_active_size,
+                 p_sys->i_picture_size, p_sys->i_line_offset + 1 );
+            p_sys->i_state = STATE_NOSYNC;
+            p_sys->i_last_state_change = mdate();
+            break;
+        }
+
+        p_sys->i_nb_lines = p_sys->i_picture_size
+                             / (p_sys->i_anc_size + p_sys->i_active_size);
+        InitVideo( p_demux );
+        msg_Dbg( p_demux,
+                 "acquired sync, anc=%d active=%d lines=%d offset=%d",
+                 p_sys->i_anc_size, p_sys->i_active_size,
+                 p_sys->i_nb_lines, p_sys->i_line_offset + 1 );
+        p_sys->i_state = STATE_SYNC;
+        if( StartDecode( p_demux ) != VLC_SUCCESS )
+        {
+            StopDecode( p_demux );
+            return VLC_ENOMEM;
+        }
+        p_sys->i_current_line = 0;
+        p_sys->p_line_buffer = malloc( p_sys->i_anc_size
+                                        + p_sys->i_active_size );
+        if( !p_sys->p_line_buffer )
+        {
+            StopDecode( p_demux );
+            return VLC_ENOMEM;
+        }
+        p_sys->i_line_buffer = 0;
+
+    case STATE_SYNC:
+        while ( (p_line = GetLine( p_demux, &p_parser, p_end )) != NULL )
+        {
+            bool b_field = p_sys->b_hd ? false :
+                (p_sys->i_current_line >= p_sys->i_nb_lines / 2);
+            unsigned int i_field_height = p_sys->b_hd ? p_sys->i_height :
+                p_sys->i_height / 2;
+            unsigned int i_field_line = b_field ?
+                p_sys->i_current_line - (p_sys->i_nb_lines + 1) / 2 :
+                p_sys->i_current_line;
+            bool b_vbi = i_field_line < p_sys->i_line_offset ||
+                i_field_line >= p_sys->i_line_offset + i_field_height;
+            unsigned int anc = p_sys->i_anc_size;
+
+            if ( p_line[0] != 0xff || p_line[1] != 0x3
+                  || p_line[2] != 0x0 || p_line[3] != 0x0
+                  || p_line[anc+0] != 0xff || p_line[anc+1] != 0x3
+                  || p_line[anc+2] != 0x0 || p_line[anc+3] != 0x0
+                  || (!b_field && b_vbi &&
+                      (p_line[4] != FIELD_1_VBLANK_EAV ||
+                       p_line[anc+4] != FIELD_1_VBLANK_SAV))
+                  || (!b_field && !b_vbi &&
+                      (p_line[4] != FIELD_1_ACTIVE_EAV ||
+                       p_line[anc+4] != FIELD_1_ACTIVE_SAV))
+                  || (b_field && b_vbi &&
+                      (p_line[4] != FIELD_2_VBLANK_EAV ||
+                       p_line[anc+4] != FIELD_2_VBLANK_SAV))
+                  || (b_field && !b_vbi &&
+                      (p_line[4] != FIELD_2_ACTIVE_EAV ||
+                       p_line[anc+4] != FIELD_2_ACTIVE_SAV)) )
+            {
+                msg_Warn( p_demux, "lost sync line:%u SAV:%x EAV:%x",
+                          p_sys->i_current_line + 1, p_line[4], p_line[anc+4] );
+                StopDecode( p_demux );
+                p_sys->i_state = STATE_NOSYNC;
+                p_sys->i_last_state_change = mdate();
+                break;
+            }
+
+            if ( HasAncillary( p_line + 5 ) )
+            {
+                /* HANC */
+                unsigned int i_anc_words = (p_sys->i_anc_size - 5) * 4 / 5;
+                uint16_t p_anc[i_anc_words];
+                UnpackAnc( p_line + 5, p_sys->i_anc_size - 5, p_anc );
+                HandleAncillary( p_demux, p_anc, i_anc_words );
+            }
+
+            if ( !b_vbi )
+            {
+                unsigned int i_active_field_line = i_field_line
+                                                    - p_sys->i_line_offset;
+                unsigned int i_active_line = b_field
+                                              + i_active_field_line * 2;
+                if ( !(i_active_field_line % 2) && !b_field )
+                    Unpack01( p_line + anc + 5, p_sys->i_active_size - 5,
+                              p_sys->p_y + p_sys->i_width * i_active_line,
+                              p_sys->p_u + (p_sys->i_width / 2)
+                               * (i_active_line / 2),
+                              p_sys->p_v + (p_sys->i_width / 2)
+                               * (i_active_line / 2) );
+                else if ( !(i_active_field_line % 2) )
+                    Unpack01( p_line + anc + 5, p_sys->i_active_size - 5,
+                              p_sys->p_y + p_sys->i_width * i_active_line,
+                              p_sys->p_u + (p_sys->i_width / 2)
+                               * (i_active_line / 2 + 1),
+                              p_sys->p_v + (p_sys->i_width / 2)
+                               * (i_active_line / 2 + 1) );
+                else if ( !b_field )
+                    Unpack2( p_line + anc + 5, p_sys->i_active_size - 5,
+                             p_sys->p_y + p_sys->i_width * i_active_line,
+                             p_sys->p_u + (p_sys->i_width / 2)
+                              * (i_active_line / 2 - 1),
+                             p_sys->p_v + (p_sys->i_width / 2)
+                              * (i_active_line / 2 - 1) );
+                else
+                    Unpack3( p_line + anc + 5, p_sys->i_active_size - 5,
+                             p_sys->p_y + p_sys->i_width * i_active_line,
+                             p_sys->p_u + (p_sys->i_width / 2)
+                              * (i_active_line / 2),
+                             p_sys->p_v + (p_sys->i_width / 2)
+                              * (i_active_line / 2) );
+
+                if ( p_sys->b_vbi && p_sys->i_height == 576
+                      && p_sys->i_current_line == p_sys->i_line_offset )
+                {
+                    /* Line 23 is half VBI, half active */
+                    UnpackVBI( p_line + anc + 5, p_sys->i_active_size - 5,
+                               p_sys->p_wss_buffer );
+                }
+            }
+            else if ( p_sys->b_vbi && p_sys->i_telx_count &&
+                      i_field_line >= p_sys->i_telx_line &&
+                      i_field_line < p_sys->i_telx_line
+                                      + p_sys->i_telx_count )
+            {
+                UnpackVBI( p_line + anc + 5, p_sys->i_active_size - 5,
+                    &p_sys->p_telx_buffer[(i_field_line
+                        - p_sys->i_telx_line + b_field * p_sys->i_telx_count)
+                        * p_sys->i_width * 2] );
+            }
+            else if ( b_vbi && HasAncillary( p_line + anc + 5 ) )
+            {
+                /* VANC */
+                unsigned int i_anc_words = (p_sys->i_active_size - 5) * 4 / 5;
+                uint16_t p_anc[i_anc_words];
+                UnpackAnc( p_line + 5, p_sys->i_active_size - 5,
+                           p_anc );
+                HandleAncillary( p_demux, p_anc, i_anc_words );
+            }
+
+            p_sys->i_current_line++;
+            if ( p_sys->i_current_line == p_sys->i_nb_lines )
+            {
+                p_sys->i_current_line %= p_sys->i_nb_lines;
+                if( DecodeFrame( p_demux ) != VLC_SUCCESS )
+                    return VLC_EGENERIC;
+            }
+        }
+        break;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Low-level device stuff
+ *****************************************************************************/
+#define MAXLEN 256
+
+static int ReadULSysfs( const char *psz_fmt, unsigned int i_link )
+{
+    char psz_file[MAXLEN], psz_data[MAXLEN];
+    char *psz_tmp;
+    int i_fd;
+    ssize_t i_ret;
+    unsigned int i_data;
+
+    snprintf( psz_file, sizeof(psz_file) - 1, psz_fmt, i_link );
+
+    if ( (i_fd = vlc_open( psz_file, O_RDONLY )) < 0 )
+        return i_fd;
+
+    i_ret = read( i_fd, psz_data, sizeof(psz_data) );
+    close( i_fd );
+
+    if ( i_ret < 0 )
+        return i_ret;
+
+    i_data = strtoul( psz_data, &psz_tmp, 0 );
+    if ( *psz_tmp != '\n' )
+        return -1;
+
+    return i_data;
+}
+
+static ssize_t WriteULSysfs( const char *psz_fmt, unsigned int i_link,
+                             unsigned int i_buf )
+{
+    char psz_file[MAXLEN], psz_data[MAXLEN];
+    int i_fd;
+    ssize_t i_ret;
+
+    snprintf( psz_file, sizeof(psz_file) -1, psz_fmt, i_link );
+
+    snprintf( psz_data, sizeof(psz_data) -1, "%u\n", i_buf );
+
+    if ( (i_fd = vlc_open( psz_file, O_WRONLY )) < 0 )
+        return i_fd;
+
+    i_ret = write( i_fd, psz_data, strlen(psz_data) + 1 );
+    close( i_fd );
+    return i_ret;
+}
+
+static int InitCapture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    const int i_page_size = getpagesize();
+    unsigned int i_bufmemsize;
+    int i_ret;
+    char psz_dev[MAXLEN];
+
+    /* 10-bit mode or nothing */
+    if ( WriteULSysfs( SDI_MODE_FILE, p_sys->i_link, SDI_CTL_MODE_10BIT ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't write file " SDI_MODE_FILE, p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+
+    if ( (i_ret = ReadULSysfs( SDI_BUFFERS_FILE, p_sys->i_link )) < 0 )
+    {
+        msg_Err( p_demux, "couldn't read file " SDI_BUFFERS_FILE,
+                 p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+    p_sys->i_buffers = i_ret;
+    p_sys->i_current_buffer = 0;
+
+    if ( (i_ret = ReadULSysfs( SDI_BUFSIZE_FILE, p_sys->i_link )) < 0 )
+    {
+        msg_Err( p_demux, "couldn't read file " SDI_BUFSIZE_FILE,
+                 p_sys->i_link );
+        return VLC_EGENERIC;
+    }
+    p_sys->i_buffer_size = i_ret;
+    if ( p_sys->i_buffer_size % 20 )
+    {
+        msg_Err( p_demux, "buffer size must be a multiple of 20" );
+        return VLC_EGENERIC;
+    }
+
+    snprintf( psz_dev, sizeof(psz_dev) - 1, SDI_DEVICE, p_sys->i_link );
+    if ( (p_sys->i_fd = vlc_open( psz_dev, O_RDONLY ) ) < 0 )
+    {
+        msg_Err( p_demux, "couldn't open device %s", psz_dev );
+        return VLC_EGENERIC;
+    }
+
+    i_bufmemsize = ((p_sys->i_buffer_size + i_page_size - 1) / i_page_size)
+                     * i_page_size;
+    p_sys->pp_buffers = malloc( p_sys->i_buffers * sizeof(uint8_t *) );
+    if( !p_sys->pp_buffers )
+        return VLC_ENOMEM;
+
+    for ( unsigned int i = 0; i < p_sys->i_buffers; i++ )
+    {
+        if ( (p_sys->pp_buffers[i] = mmap( NULL, p_sys->i_buffer_size,
+                                           PROT_READ, MAP_SHARED, p_sys->i_fd,
+                                           i * i_bufmemsize )) == MAP_FAILED )
+        {
+            msg_Err( p_demux, "couldn't mmap(%d): %s", i, strerror(errno) );
+            free( p_sys->pp_buffers );
+            return VLC_EGENERIC;
+        }
+    }
+
+    return VLC_SUCCESS;
+}
+
+static void CloseCapture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+
+    StopDecode( p_demux );
+    for ( unsigned int i = 0; i < p_sys->i_buffers; i++ )
+        munmap( p_sys->pp_buffers[i], p_sys->i_buffer_size );
+    close( p_sys->i_fd );
+    free( p_sys->pp_buffers );
+}
+
+static int Capture( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    struct pollfd pfd;
+
+    pfd.fd = p_sys->i_fd;
+    pfd.events = POLLIN | POLLPRI;
+
+    if ( poll( &pfd, 1, READ_TIMEOUT ) < 0 )
+    {
+        msg_Warn( p_demux, "couldn't poll(): %s", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+
+    if ( pfd.revents & POLLPRI )
+    {
+        unsigned int i_val;
+
+        if ( ioctl( p_sys->i_fd, SDI_IOC_RXGETEVENTS, &i_val ) < 0 )
+            msg_Warn( p_demux, "couldn't SDI_IOC_RXGETEVENTS %s", strerror(errno) );
+        else
+        {
+            if ( i_val & SDI_EVENT_RX_BUFFER )
+                msg_Warn( p_demux, "driver receive buffer queue overrun" );
+            if ( i_val & SDI_EVENT_RX_FIFO )
+                msg_Warn( p_demux, "onboard receive FIFO overrun");
+            if ( i_val & SDI_EVENT_RX_CARRIER )
+                msg_Warn( p_demux, "carrier status change");
+        }
+
+        p_sys->i_next_date += CLOCK_GAP;
+    }
+
+    if ( pfd.revents & POLLIN )
+    {
+        int i_ret;
+
+        if ( ioctl( p_sys->i_fd, SDI_IOC_DQBUF, p_sys->i_current_buffer ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDI_IOC_DQBUF %s", strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        i_ret = HandleSDBuffer( p_demux,
+                                p_sys->pp_buffers[p_sys->i_current_buffer],
+                                p_sys->i_buffer_size );
+
+        if ( ioctl( p_sys->i_fd, SDI_IOC_QBUF, p_sys->i_current_buffer ) < 0 )
+        {
+            msg_Warn( p_demux, "couldn't SDI_IOC_QBUF %s", strerror(errno) );
+            return VLC_EGENERIC;
+        }
+
+        if ( i_ret == VLC_SUCCESS )
+        {
+            p_sys->i_current_buffer++;
+            p_sys->i_current_buffer %= p_sys->i_buffers;
+        }
+        else
+        {
+            /* Reference codes do not start on a multiple of 5. This sometimes
+             * happen. We really don't want to allow this. */
+            msg_Warn( p_demux, "resetting board" );
+            CloseCapture( p_demux );
+            InitCapture( p_demux );
+        }
+    }
+
+    return VLC_SUCCESS;
+}
+

modules/access/linsys/linsys_sdi.h

+/* sdi.h
+ *
+ * Shared header file for the Linux user-space API for
+ * Linear Systems Ltd. SMPTE 259M-C interface boards.
+ *
+ * Copyright (C) 2004-2010 Linear Systems Ltd.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ *   3. Neither the name of Linear Systems Ltd. nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY LINEAR SYSTEMS LTD. "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL LINEAR SYSTEMS LTD. OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Linear Systems can be contacted at <http://www.linsys.ca/>.
+ *
+ */
+
+#ifndef _SDI_H
+#define _SDI_H
+
+/* Driver info */
+#define SDI_DRIVER_NAME "sdi"
+
+#define SDI_MAJOR 121	/* Set to 0 for dynamic allocation.
+			 * Otherwise, 121 is available.
+			 * See /usr/src/linux/Documentation/devices.txt */
+
+#define SDI_TX_BUFFERS_MIN 2 /* This must be at least 2 */
+/* The minimum transmit buffer size must be positive, divisible by 4,
+ * and large enough that the buffers aren't transferred to the onboard FIFOs
+ * too quickly for the machine to handle the interrupts.
+ * This is especially a problem at startup, when the FIFOs are empty.
+ * Relevant factors include onboard FIFO size, PCI bus throughput,
+ * processor speed, and interrupt latency. */
+#define SDI_TX_BUFSIZE_MIN 1024
+#define SDI_RX_BUFFERS_MIN 2 /* This must be at least 2 */
+#define SDI_RX_BUFSIZE_MIN 8 /* This must be positive and divisible by 4 */
+
+#define SDI_TX_BUFFERS 25 /* This must be at least 2 */
+#define SDI_TX_BUFSIZE 1235520 /* This must be positive and divisible by 4 */
+#define SDI_RX_BUFFERS 25 /* This must be at least 2 */
+#define SDI_RX_BUFSIZE 1235520 /* This must be positive and divisible by 4 */
+
+/* Ioctl () definitions */
+#define SDI_IOC_MAGIC '=' /* This ioctl magic number is currently free. See
+			   * /usr/src/linux/Documentation/ioctl-number.txt */
+
+#define SDI_IOC_TXGETCAP	_IOR(SDI_IOC_MAGIC, 1, unsigned int)
+#define SDI_IOC_TXGETEVENTS	_IOR(SDI_IOC_MAGIC, 2, unsigned int)
+#define SDI_IOC_TXGETBUFLEVEL	_IOR(SDI_IOC_MAGIC, 3, unsigned int)
+#define SDI_IOC_TXGETTXD	_IOR(SDI_IOC_MAGIC, 4, int)
+
+#define SDI_IOC_RXGETCAP	_IOR(SDI_IOC_MAGIC, 65, unsigned int)
+#define SDI_IOC_RXGETEVENTS	_IOR(SDI_IOC_MAGIC, 66, unsigned int)
+#define SDI_IOC_RXGETBUFLEVEL	_IOR(SDI_IOC_MAGIC, 67, unsigned int)
+#define SDI_IOC_RXGETCARRIER	_IOR(SDI_IOC_MAGIC, 68, int)
+#define SDI_IOC_RXGETSTATUS	_IOR(SDI_IOC_MAGIC, 69, int)
+
+#define SDI_IOC_GETID		_IOR(SDI_IOC_MAGIC, 129, unsigned int)
+#define SDI_IOC_GETVERSION	_IOR(SDI_IOC_MAGIC, 130, unsigned int)
+/* Provide compatibility with applications compiled for older API */
+#define SDI_IOC_QBUF_DEPRECATED		_IOR(SDI_IOC_MAGIC, 131, unsigned int)
+#define SDI_IOC_QBUF_DEPRECATED2	_IOW(SDI_IOC_MAGIC, 131, unsigned int)
+#define SDI_IOC_QBUF		_IO(SDI_IOC_MAGIC, 131)
+/* Provide compatibility with applications compiled for older API */
+#define SDI_IOC_DQBUF_DEPRECATED	_IOR(SDI_IOC_MAGIC, 132, unsigned int)
+#define SDI_IOC_DQBUF_DEPRECATED2	_IOW(SDI_IOC_MAGIC, 132, unsigned int)
+#define SDI_IOC_DQBUF		_IO(SDI_IOC_MAGIC, 132)
+
+/* Transmitter event flag bit locations */
+#define SDI_EVENT_TX_BUFFER_ORDER	0
+#define SDI_EVENT_TX_BUFFER		(1 << SDI_EVENT_TX_BUFFER_ORDER)
+#define SDI_EVENT_TX_FIFO_ORDER		1
+#define SDI_EVENT_TX_FIFO		(1 << SDI_EVENT_TX_FIFO_ORDER)
+#define SDI_EVENT_TX_DATA_ORDER		2
+#define SDI_EVENT_TX_DATA		(1 << SDI_EVENT_TX_DATA_ORDER)
+
+/* Receiver event flag bit locations */
+#define SDI_EVENT_RX_BUFFER_ORDER	0
+#define SDI_EVENT_RX_BUFFER		(1 << SDI_EVENT_RX_BUFFER_ORDER)
+#define SDI_EVENT_RX_FIFO_ORDER		1
+#define SDI_EVENT_RX_FIFO		(1 << SDI_EVENT_RX_FIFO_ORDER)
+#define SDI_EVENT_RX_CARRIER_ORDER	2
+#define SDI_EVENT_RX_CARRIER		(1 << SDI_EVENT_RX_CARRIER_ORDER)
+
+/* Interface capabilities */
+#define SDI_CAP_TX_RXCLKSRC	0x00000001
+
+/* Transmitter clock source settings */
+#define SDI_CTL_TX_CLKSRC_ONBOARD	0
+#define SDI_CTL_TX_CLKSRC_EXT		1
+#define SDI_CTL_TX_CLKSRC_RX		2
+
+/* Mode settings */
+#define SDI_CTL_MODE_8BIT	0
+#define SDI_CTL_MODE_10BIT	1
+
+#endif
+

modules/access/linsys/linsys_sdiaudio.h

+/* sdiaudio.h
+ *
+ * Shared header file for the Linux user-space API for
+ * Linear Systems Ltd. SMPTE 292M and SMPTE 259M-C Audio interface boards.
+ *
+ * Copyright (C) 2009-2010 Linear Systems Ltd.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ *   3. Neither the name of Linear Systems Ltd. nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY LINEAR SYSTEMS LTD. "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL LINEAR SYSTEMS LTD. OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Linear Systems can be contacted at <http://www.linsys.ca/>.
+ *
+ */
+
+#ifndef _SDIAUDIO_H
+#define _SDIAUDIO_H
+
+/* Driver info */
+#define SDIAUDIO_DRIVER_NAME "sdiaudio"
+
+#define SDIAUDIO_MAJOR 0	/* Set to 0 for dynamic allocation.
+			 * See /usr/src/linux/Documentation/devices.txt */
+
+#define SDIAUDIO_TX_BUFFERS_MIN 2 /* This must be at least 2 */
+/* The minimum transmit buffer size must be positive, divisible by 4,
+ * and large enough that the buffers aren't transferred to the onboard FIFOs
+ * too quickly for the machine to handle the interrupts.
+ * This is especially a problem at startup, when the FIFOs are empty.
+ * Relevant factors include onboard FIFO size, PCI bus throughput,
+ * processor speed, and interrupt latency. */
+#define SDIAUDIO_TX_BUFSIZE_MIN 1024
+#define SDIAUDIO_RX_BUFFERS_MIN 2 /* This must be at least 2 */
+#define SDIAUDIO_RX_BUFSIZE_MIN 8 /* This must be positive and divisible by 4 */
+
+#define SDIAUDIO_TX_BUFFERS 30 /* This must be at least 2 */
+#define SDIAUDIO_TX_BUFSIZE 6400 /* This must be positive and divisible by 4 */
+#define SDIAUDIO_RX_BUFFERS 30 /* This must be at least 2 */
+#define SDIAUDIO_RX_BUFSIZE 6400 /* This must be positive and divisible by 4 */
+
+/* Ioctl () definitions */
+#define SDIAUDIO_IOC_MAGIC '~' /* This ioctl magic number is currently free. See
+			   * /usr/src/linux/Documentation/ioctl-number.txt */
+
+#define SDIAUDIO_IOC_TXGETCAP			_IOR(SDIAUDIO_IOC_MAGIC, 1, unsigned int)
+#define SDIAUDIO_IOC_TXGETEVENTS		_IOR(SDIAUDIO_IOC_MAGIC, 2, unsigned int)
+#define SDIAUDIO_IOC_TXGETBUFLEVEL		_IOR(SDIAUDIO_IOC_MAGIC, 3, unsigned int)
+#define SDIAUDIO_IOC_TXGETTXD			_IOR(SDIAUDIO_IOC_MAGIC, 4, int)
+
+#define SDIAUDIO_IOC_RXGETCAP			_IOR(SDIAUDIO_IOC_MAGIC, 65, unsigned int)
+#define SDIAUDIO_IOC_RXGETEVENTS		_IOR(SDIAUDIO_IOC_MAGIC, 66, unsigned int)
+#define SDIAUDIO_IOC_RXGETBUFLEVEL		_IOR(SDIAUDIO_IOC_MAGIC, 67, unsigned int)
+#define SDIAUDIO_IOC_RXGETCARRIER		_IOR(SDIAUDIO_IOC_MAGIC, 68, int)
+#define SDIAUDIO_IOC_RXGETSTATUS		_IOR(SDIAUDIO_IOC_MAGIC, 69, int)
+#define SDIAUDIO_IOC_RXGETAUDIOGR0ERROR		_IOR(SDIAUDIO_IOC_MAGIC, 70, unsigned int)
+#define SDIAUDIO_IOC_RXGETAUDIOGR0DELAYA	_IOR(SDIAUDIO_IOC_MAGIC, 71, unsigned int)
+#define SDIAUDIO_IOC_RXGETAUDIOGR0DELAYB	_IOR(SDIAUDIO_IOC_MAGIC, 72, unsigned int)
+#define SDIAUDIO_IOC_RXGETNONAUDIO		_IOR(SDIAUDIO_IOC_MAGIC, 73, unsigned int)
+#define SDIAUDIO_IOC_RXGETAUDSTAT		_IOR(SDIAUDIO_IOC_MAGIC, 74, unsigned int)
+#define SDIAUDIO_IOC_RXGETAUDRATE		_IOR(SDIAUDIO_IOC_MAGIC, 75, unsigned int)
+
+#define SDIAUDIO_IOC_GETID			_IOR(SDIAUDIO_IOC_MAGIC, 129, unsigned int)
+#define SDIAUDIO_IOC_GETVERSION			_IOR(SDIAUDIO_IOC_MAGIC, 130, unsigned int)
+/* Provide compatibility with applications compiled for older API */
+#define SDIAUDIO_IOC_QBUF_DEPRECATED		_IOW(SDIAUDIO_IOC_MAGIC, 131, unsigned int)
+#define SDIAUDIO_IOC_QBUF			_IO(SDIAUDIO_IOC_MAGIC, 131)
+/* Provide compatibility with applications compiled for older API */
+#define SDIAUDIO_IOC_DQBUF_DEPRECATED		_IOW(SDIAUDIO_IOC_MAGIC, 132, unsigned int)
+#define SDIAUDIO_IOC_DQBUF			_IO(SDIAUDIO_IOC_MAGIC, 132)
+
+/* Transmitter event flag bit locations */
+#define SDIAUDIO_EVENT_TX_BUFFER_ORDER	0
+#define SDIAUDIO_EVENT_TX_BUFFER	(1 << SDIAUDIO_EVENT_TX_BUFFER_ORDER)
+#define SDIAUDIO_EVENT_TX_FIFO_ORDER	1
+#define SDIAUDIO_EVENT_TX_FIFO		(1 << SDIAUDIO_EVENT_TX_FIFO_ORDER)
+#define SDIAUDIO_EVENT_TX_DATA_ORDER	2
+#define SDIAUDIO_EVENT_TX_DATA		(1 << SDIAUDIO_EVENT_TX_DATA_ORDER)
+
+/* Receiver event flag bit locations */
+#define SDIAUDIO_EVENT_RX_BUFFER_ORDER	0
+#define SDIAUDIO_EVENT_RX_BUFFER	(1 << SDIAUDIO_EVENT_RX_BUFFER_ORDER)
+#define SDIAUDIO_EVENT_RX_FIFO_ORDER	1
+#define SDIAUDIO_EVENT_RX_FIFO		(1 << SDIAUDIO_EVENT_RX_FIFO_ORDER)
+#define SDIAUDIO_EVENT_RX_CARRIER_ORDER	2
+#define SDIAUDIO_EVENT_RX_CARRIER	(1 << SDIAUDIO_EVENT_RX_CARRIER_ORDER)
+#define SDIAUDIO_EVENT_RX_DATA_ORDER	3
+#define SDIAUDIO_EVENT_RX_DATA		(1 << SDIAUDIO_EVENT_RX_DATA_ORDER)
+
+/* Interface capabilities */
+#define SDIAUDIO_CAP_RX_CD		0x00000001
+#define SDIAUDIO_CAP_RX_DATA		0x00000002
+#define SDIAUDIO_CAP_RX_STATS		0x00000004
+#define SDIAUDIO_CAP_RX_NONAUDIO	0x00000008
+#define SDIAUDIO_CAP_RX_24BIT		0x00000010
+
+/* Audio sample size */
+#define SDIAUDIO_CTL_AUDSAMP_SZ_16	16 /* 16 bit */
+#define SDIAUDIO_CTL_AUDSAMP_SZ_24	24 /* 24 bit */
+#define SDIAUDIO_CTL_AUDSAMP_SZ_32	32 /* 32 bit */
+
+/* Audio channel enable */
+#define SDIAUDIO_CTL_AUDCH_EN_0		0 /* 0 channel/disable audio */
+#define SDIAUDIO_CTL_AUDCH_EN_2		2 /* 2 channel */
+#define SDIAUDIO_CTL_AUDCH_EN_4		4 /* 4 channel */
+#define SDIAUDIO_CTL_AUDCH_EN_6		6 /* 6 channel */
+#define SDIAUDIO_CTL_AUDCH_EN_8		8 /* 8 channel */
+
+#define SDIAUDIO_CTL_PCM_ALLCHANNEL		0x00000000 /* PCM for channel 1 - 8 */
+#define SDIAUDIO_CTL_NONAUDIO_ALLCHANNEL	0x000000ff /* No audio for channel 1 - 8 */
+
+/* Active audio channels status */
+#define SDIAUDIO_CTL_ACT_CHAN_0		0x00 /* no audio control packets */
+#define SDIAUDIO_CTL_ACT_CHAN_2		0x03 /* 2 channels */
+#define SDIAUDIO_CTL_ACT_CHAN_4		0x0f /* 4 channels */
+#define SDIAUDIO_CTL_ACT_CHAN_6		0x3f /* 6 channels */
+#define SDIAUDIO_CTL_ACT_CHAN_8		0xff /* 8 channels */
+
+/* Audio rate */
+#define SDIAUDIO_CTL_SYNC_48_KHZ	0 /* Synchronous, 48 kHz */
+#define SDIAUDIO_CTL_SYNC_44_1_KHZ	2 /* Synchronous, 44.1 kHz */
+#define SDIAUDIO_CTL_SYNC_32_KHZ	4 /* Synchronous, 32 kHz */
+#define SDIAUDIO_CTL_SYNC_96_KHZ	8 /* Synchronous, 96 kHz */
+#define SDIAUDIO_CTL_SYNC_FREE_RUNNING	14 /* Synchronous, free running */
+#define SDIAUDIO_CTL_ASYNC_48_KHZ	1 /* Asynchronous, 48 kHz */
+#define SDIAUDIO_CTL_ASYNC_44_1_KHZ	3 /* Asynchronous, 44.1 kHz */
+#define SDIAUDIO_CTL_ASYNC_32_KHZ	5 /* Asynchronous, 32 kHz */
+#define SDIAUDIO_CTL_ASYNC_96_KHZ	9 /* Asynchronous, 96 kHz */
+#define SDIAUDIO_CTL_ASYNC_FREE_RUNNING	15 /* Asynchronous, free running */
+
+#endif
+

modules/access/linsys/linsys_sdivideo.h

+/* sdivideo.h
+ *
+ * Shared header file for the Linux user-space API for
+ * Linear Systems Ltd. SMPTE 292M and SMPTE 259M-C interface boards.
+ *
+ * Copyright (C) 2009-2010 Linear Systems Ltd.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ *   3. Neither the name of Linear Systems Ltd. nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY LINEAR SYSTEMS LTD. "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL LINEAR SYSTEMS LTD. OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Linear Systems can be contacted at <http://www.linsys.ca/>.
+ *
+ */
+
+#ifndef _SDIVIDEO_H
+#define _SDIVIDEO_H
+
+/* Driver info */
+#define SDIVIDEO_DRIVER_NAME "sdivideo"
+
+#define SDIVIDEO_MAJOR 0	/* Set to 0 for dynamic allocation.
+			 * See /usr/src/linux/Documentation/devices.txt */
+
+#define SDIVIDEO_TX_BUFFERS_MIN 2 /* This must be at least 2 */
+/* The minimum transmit buffer size must be positive, divisible by 4,
+ * and large enough that the buffers aren't transferred to the onboard FIFOs
+ * too quickly for the machine to handle the interrupts.
+ * This is especially a problem at startup, when the FIFOs are empty.
+ * Relevant factors include onboard FIFO size, PCI bus throughput,
+ * processor speed, and interrupt latency. */
+#define SDIVIDEO_TX_BUFSIZE_MIN 1024
+#define SDIVIDEO_RX_BUFFERS_MIN 2 /* This must be at least 2 */
+#define SDIVIDEO_RX_BUFSIZE_MIN 8 /* This must be positive and divisible by 4 */
+
+#define SDIVIDEO_TX_BUFFERS 30 /* This must be at least 2 */
+#define SDIVIDEO_TX_BUFSIZE 1843200 /* This must be positive and divisible by 4 */
+#define SDIVIDEO_RX_BUFFERS 30 /* This must be at least 2 */
+#define SDIVIDEO_RX_BUFSIZE 1843200 /* This must be positive and divisible by 4 */
+
+/* Ioctl () definitions */
+#define SDIVIDEO_IOC_MAGIC '=' /* This ioctl magic number is currently free. See
+			   * /usr/src/linux/Documentation/ioctl-number.txt */
+
+#define SDIVIDEO_IOC_TXGETCAP		_IOR(SDIVIDEO_IOC_MAGIC, 1, unsigned int)
+#define SDIVIDEO_IOC_TXGETEVENTS	_IOR(SDIVIDEO_IOC_MAGIC, 2, unsigned int)
+#define SDIVIDEO_IOC_TXGETBUFLEVEL	_IOR(SDIVIDEO_IOC_MAGIC, 3, unsigned int)
+#define SDIVIDEO_IOC_TXGETTXD		_IOR(SDIVIDEO_IOC_MAGIC, 4, int)
+#define SDIVIDEO_IOC_TXGETREF		_IOR(SDIVIDEO_IOC_MAGIC, 5, unsigned int)
+
+#define SDIVIDEO_IOC_RXGETCAP		_IOR(SDIVIDEO_IOC_MAGIC, 65, unsigned int)
+#define SDIVIDEO_IOC_RXGETEVENTS	_IOR(SDIVIDEO_IOC_MAGIC, 66, unsigned int)
+#define SDIVIDEO_IOC_RXGETBUFLEVEL	_IOR(SDIVIDEO_IOC_MAGIC, 67, unsigned int)
+#define SDIVIDEO_IOC_RXGETCARRIER	_IOR(SDIVIDEO_IOC_MAGIC, 68, int)
+#define SDIVIDEO_IOC_RXGETSTATUS	_IOR(SDIVIDEO_IOC_MAGIC, 69, int)
+#define SDIVIDEO_IOC_RXGETYCRCERROR	_IOR(SDIVIDEO_IOC_MAGIC, 70, unsigned int)
+#define SDIVIDEO_IOC_RXGETCCRCERROR	_IOR(SDIVIDEO_IOC_MAGIC, 71, unsigned int)
+#define SDIVIDEO_IOC_RXGETVIDSTATUS	_IOR(SDIVIDEO_IOC_MAGIC, 72, unsigned int)
+
+#define SDIVIDEO_IOC_GETID		_IOR(SDIVIDEO_IOC_MAGIC, 129, unsigned int)
+#define SDIVIDEO_IOC_GETVERSION		_IOR(SDIVIDEO_IOC_MAGIC, 130, unsigned int)
+/* Provide compatibility with applications compiled for older API */
+#define SDIVIDEO_IOC_QBUF_DEPRECATED	_IOW(SDIVIDEO_IOC_MAGIC, 131, unsigned int)
+#define SDIVIDEO_IOC_QBUF		_IO(SDIVIDEO_IOC_MAGIC, 131)
+/* Provide compatibility with applications compiled for older API */
+#define SDIVIDEO_IOC_DQBUF_DEPRECATED	_IOW(SDIVIDEO_IOC_MAGIC, 132, unsigned int)
+#define SDIVIDEO_IOC_DQBUF		_IO(SDIVIDEO_IOC_MAGIC, 132)
+
+/* Transmitter event flag bit locations */
+#define SDIVIDEO_EVENT_TX_BUFFER_ORDER	0
+#define SDIVIDEO_EVENT_TX_BUFFER	(1 << SDIVIDEO_EVENT_TX_BUFFER_ORDER)
+#define SDIVIDEO_EVENT_TX_FIFO_ORDER	1
+#define SDIVIDEO_EVENT_TX_FIFO		(1 << SDIVIDEO_EVENT_TX_FIFO_ORDER)
+#define SDIVIDEO_EVENT_TX_DATA_ORDER	2
+#define SDIVIDEO_EVENT_TX_DATA		(1 << SDIVIDEO_EVENT_TX_DATA_ORDER)
+#define SDIVIDEO_EVENT_TX_REF_ORDER	3
+#define SDIVIDEO_EVENT_TX_REF		(1 << SDIVIDEO_EVENT_TX_REF_ORDER)
+
+/* Receiver event flag bit locations */
+#define SDIVIDEO_EVENT_RX_BUFFER_ORDER	0
+#define SDIVIDEO_EVENT_RX_BUFFER	(1 << SDIVIDEO_EVENT_RX_BUFFER_ORDER)
+#define SDIVIDEO_EVENT_RX_FIFO_ORDER	1
+#define SDIVIDEO_EVENT_RX_FIFO		(1 << SDIVIDEO_EVENT_RX_FIFO_ORDER)
+#define SDIVIDEO_EVENT_RX_CARRIER_ORDER	2
+#define SDIVIDEO_EVENT_RX_CARRIER	(1 << SDIVIDEO_EVENT_RX_CARRIER_ORDER)
+#define SDIVIDEO_EVENT_RX_DATA_ORDER	3
+#define SDIVIDEO_EVENT_RX_DATA		(1 << SDIVIDEO_EVENT_RX_DATA_ORDER)
+#define SDIVIDEO_EVENT_RX_STD_ORDER	4
+#define SDIVIDEO_EVENT_RX_STD		(1 << SDIVIDEO_EVENT_RX_STD_ORDER)
+
+/* Interface capabilities */
+#define SDIVIDEO_CAP_RX_CD		0x00000001
+#define SDIVIDEO_CAP_RX_DATA		0x00000002
+#define SDIVIDEO_CAP_RX_ERR_COUNT	0x00000004
+#define SDIVIDEO_CAP_RX_VBI		0x00000008
+#define SDIVIDEO_CAP_RX_RAWMODE		0x00000010
+#define SDIVIDEO_CAP_RX_DEINTERLACING	0x00000020
+
+/* Transmitter clock source settings */
+#define SDIVIDEO_CTL_TX_CLKSRC_ONBOARD		0
+#define SDIVIDEO_CTL_TX_CLKSRC_NTSC		1
+#define SDIVIDEO_CTL_TX_CLKSRC_PAL		2
+#define SDIVIDEO_CTL_TX_CLKSRC_525P		3
+#define SDIVIDEO_CTL_TX_CLKSRC_625P		4
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_60		5
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_59_94	6
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_50		7
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_30		8
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_29_97	9
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_25		10
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_24		11
+#define SDIVIDEO_CTL_TX_CLKSRC_720P_23_98	12
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_60		13
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_59_94	14
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_50		15
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_30		16
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_29_97	17
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_25		18
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_24		19
+#define SDIVIDEO_CTL_TX_CLKSRC_1080P_23_98	20
+#define SDIVIDEO_CTL_TX_CLKSRC_1080I_60		21
+#define SDIVIDEO_CTL_TX_CLKSRC_1080I_59_94	22
+#define SDIVIDEO_CTL_TX_CLKSRC_1080I_50		23
+
+/* Mode settings */
+#define SDIVIDEO_CTL_MODE_UYVY			0
+#define SDIVIDEO_CTL_MODE_V210			1
+#define SDIVIDEO_CTL_MODE_V210_DEINTERLACE	2
+#define SDIVIDEO_CTL_MODE_RAW			3
+
+/* Frame mode settings */
+#define SDIVIDEO_CTL_UNLOCKED				0
+#define SDIVIDEO_CTL_SMPTE_125M_486I_59_94HZ		1
+#define SDIVIDEO_CTL_BT_601_576I_50HZ			2
+#define SDIVIDEO_CTL_SMPTE_260M_1035I_60HZ		5
+#define SDIVIDEO_CTL_SMPTE_260M_1035I_59_94HZ		6
+#define SDIVIDEO_CTL_SMPTE_295M_1080I_50HZ		7
+#define SDIVIDEO_CTL_SMPTE_274M_1080I_60HZ		8
+#define SDIVIDEO_CTL_SMPTE_274M_1080PSF_30HZ		9
+#define SDIVIDEO_CTL_SMPTE_274M_1080I_59_94HZ		10
+#define SDIVIDEO_CTL_SMPTE_274M_1080PSF_29_97HZ		11
+#define SDIVIDEO_CTL_SMPTE_274M_1080I_50HZ		12
+#define SDIVIDEO_CTL_SMPTE_274M_1080PSF_25HZ		13
+#define SDIVIDEO_CTL_SMPTE_274M_1080PSF_24HZ		14
+#define SDIVIDEO_CTL_SMPTE_274M_1080PSF_23_98HZ		15
+#define SDIVIDEO_CTL_SMPTE_274M_1080P_30HZ		16
+#define SDIVIDEO_CTL_SMPTE_274M_1080P_29_97HZ		17
+#define SDIVIDEO_CTL_SMPTE_274M_1080P_25HZ		18
+#define SDIVIDEO_CTL_SMPTE_274M_1080P_24HZ		19
+#define SDIVIDEO_CTL_SMPTE_274M_1080P_23_98HZ		20
+#define SDIVIDEO_CTL_SMPTE_296M_720P_60HZ		21
+#define SDIVIDEO_CTL_SMPTE_296M_720P_59_94HZ		22
+#define SDIVIDEO_CTL_SMPTE_296M_720P_50HZ		23
+#define SDIVIDEO_CTL_SMPTE_296M_720P_30HZ		24
+#define SDIVIDEO_CTL_SMPTE_296M_720P_29_97HZ		25
+#define SDIVIDEO_CTL_SMPTE_296M_720P_25HZ		26
+#define SDIVIDEO_CTL_SMPTE_296M_720P_24HZ		27
+#define SDIVIDEO_CTL_SMPTE_296M_720P_23_98HZ		28
+
+#endif
+

po/POTFILES.in

@@ -228,6 +228,8 @@ modules/access/gnomevfs.c
 modules/access/http.c
 modules/access/imem.c
 modules/access/jack.c
+modules/access/linsys/linsys_sdi.c
+modules/access/linsys/linsys_hdsdi.c
 modules/access/mms/asf.c
 modules/access/mms/asf.h
 modules/access/mms/buffer.c