Digital Cameras (firewire/1394) support by Andreas Guzzo (xant at xant dot...

Digital Cameras (firewire/1394) support by Andreas Guzzo (xant at xant dot net). I left out the rotation code, because in vlc-trunk there is already a rotation video filter2.

THANKS

@@ -11,6 +11,7 @@ The VideoLAN team would like to thank the following contributors:
 Alex Antropoff <alant at transtelecom dot md> - RFC3016 (LATM) RTP packetizer extension
 Alexander Didebulidze <alexander.didebulidze at stusta dot mhn dot de> - Georgian localization
 Alexander Gall <gall at switch dot ch> - Solaris fixes and CDDB fixes
+Andrea Guzzo <xant at xant dot net> - dc1394 firewire support
 Alex Izvorski <aizvorski at gmail dot com> - some more x264 options
 André de Barros Martins Ribeiro <andrerib at ajato.com.br> - Brazilian portuguese localization
 Andre Pang <adre.pang at csiro dot au> - Annodex support

configure.ac

@@ -1656,6 +1656,37 @@ if test "${enable_live555}" != "no"; then
   fi
 fi
 
+dnl
+dnl  special access module for dc1394 input
+dnl
+AC_ARG_ENABLE(dc1394,
+  [  --enable-dc1394       dc1394 access module (default disabled)])
+if test "${enable_dc1394}" = "yes"
+then
+  AC_CHECK_HEADERS(libraw1394/raw1394.h, [
+    AC_CHECK_LIB( raw1394, raw1394_get_nodecount, [
+        AC_CHECK_HEADERS(libdc1394/dc1394_control.h , [
+dnl         AC_CHECK_LIB( dc1394_control, dc1394_setup_capture, [
+              VLC_ADD_PLUGINS([dc1394])
+              VLC_ADD_LDFLAGS([dc1394],[-ldc1394_control -lraw1394])
+dnl         ],
+dnl         [
+dnl           AC_MSG_ERROR([libdc1394 are mandatory for dc1394 input module. try --disable-dc1394 or install those libraries])
+dnl         ])
+      ],
+      [
+        AC_MSG_ERROR([libdc1394 are mandatory for dc1394 input module. try --disable-dc1394 or install those libraries])
+      ])
+    ],
+    [
+      AC_MSG_ERROR([libraw1394 are mandatory for dc1394 input module. try --disable-dc1394 or install those libraries])
+    ])
+  ],
+  [
+    AC_MSG_ERROR([libraw1394 is mandatory for dc1394 input module. try --disable-dc1394 or install those libraries])
+  ])
+fi
+
 dnl
 dnl dv module: digital video module check for libraw1394
 dnl

modules/access/Modules.am

@@ -9,6 +9,7 @@ SOURCES_access_smb = smb.c
 SOURCES_access_gnomevfs = gnomevfs.c
 SOURCES_dvdnav = dvdnav.c
 SOURCES_dvdread = dvdread.c
+SOURCES_dc1394 = dc1394.c
 SOURCES_access_fake = fake.c
 SOURCES_pvr = pvr.c videodev2.h
 SOURCES_v4l = v4l.c videodev_mjpeg.h

modules/access/dc1394.c

+/*****************************************************************************
+ * dc1394.c: firewire input module
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ *
+ * Authors: Xant Majere <xant@xant.net>
+ *
+ *****************************************************************************
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; 
+ * version 2 of the License.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+#include <vlc/vout.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_FCNTL_H
+#   include <fcntl.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#   include <unistd.h>
+#elif defined( WIN32 ) && !defined( UNDER_CE )
+#   include <io.h>
+#endif
+
+#include <sys/ioctl.h>
+#include <sys/soundcard.h>
+
+#include <libraw1394/raw1394.h>
+#include <libdc1394/dc1394_control.h>
+
+#define MAX_IEEE1394_HOSTS 32
+#define MAX_CAMERA_NODES 32
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int  Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+static void OpenAudioDev( demux_t *p_demux );
+static inline void CloseAudioDev( demux_t *p_demux );
+
+vlc_module_begin();
+    set_description( _("dc1394 input") );
+    set_capability( "access_demux", 10 );
+    add_shortcut( "dc1394" );
+    set_callbacks( Open, Close );
+vlc_module_end();
+
+typedef struct __dc_camera
+{
+    int port;
+    nodeid_t node;
+    u_int64_t uid;
+} dc_camera;
+
+typedef struct demux_sys_t
+{
+    dc1394_cameracapture camera;
+    picture_t            pic;
+    int                  dma_capture;
+#define DMA_OFF 0
+#define DMA_ON 1
+    int                 num_ports;
+    int                 num_cameras;
+    int                 selected_camera;
+    u_int64_t           selected_uid;
+
+    dc_camera           *camera_nodes;
+    dc1394_camerainfo   camera_info;
+    dc1394_miscinfo     misc_info;
+    raw1394handle_t     fd_video;
+    quadlet_t           supported_framerates;
+
+    int                 width;
+    int                 height;
+    int                 frame_size;
+    int                 frame_rate;
+    unsigned int        brightness;
+    unsigned int        focus;
+    char                *dma_device;
+    es_out_id_t         *p_es_video;
+
+    /* audio stuff */
+    int                 i_sample_rate;
+    int                 channels;
+    int                 i_audio_max_frame_size;
+    int                 fd_audio;
+    char                *audio_device;
+#define NO_ROTATION 0
+#define ROTATION_LEFT 1
+#define ROTATION_RIGHT 2
+    es_out_id_t         *p_es_audio;
+} dc1394_sys;
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Demux( demux_t *p_demux );
+static int Control( demux_t *, int, va_list );
+static block_t *GrabVideo( demux_t *p_demux );
+static block_t *GrabAudio( demux_t *p_demux );
+static int process_options( demux_t *p_demux);
+
+/*****************************************************************************
+ * ScanCameras
+ *****************************************************************************/
+static void ScanCameras( dc1394_sys *sys, demux_t *p_demux )
+{
+    struct raw1394_portinfo portinfo[MAX_IEEE1394_HOSTS];
+    raw1394handle_t tempFd;
+    dc1394_camerainfo  info;
+    dc_camera *node_list = NULL;
+    nodeid_t  *nodes = NULL;
+    int num_ports = 0;
+    int num_cameras = 0;
+    int nodecount;
+    int i, n;
+
+    memset( &portinfo, 0, sizeof(portinfo) );
+
+    msg_Dbg( p_demux, "Scanning for ieee1394 ports ..." );
+
+    tempFd = raw1394_new_handle();
+    if( !tempFd )
+        return VLC_EGENERIC;
+    raw1394_get_port_info( tempFd, portinfo, MAX_IEEE1394_HOSTS);
+    raw1394_destroy_handle( tempFd );
+
+    for( i=0; i < MAX_IEEE1394_HOSTS; i++ )
+    {
+        /* check if port exists and has at least one node*/
+        if( !portinfo[i].nodes )
+            continue;
+        nodes = NULL;
+        nodecount = 0;
+        tempFd = dc1394_create_handle( i );
+
+        /* skip this port if we can't obtain a valid handle */
+        if( !tempFd )
+            continue;
+        msg_Dbg( p_demux, "Found ieee1394 port %d (%s) ... "
+                          "checking for camera nodes",
+                          i, portinfo[i].name );
+        num_ports++;
+
+        nodes = dc1394_get_camera_nodes( tempFd, &nodecount, 0 );
+        if( nodecount )
+        {
+            msg_Dbg( p_demux, "Found %d dc1394 cameras on port %d (%s)",
+                     nodecount, i, portinfo[i].name );
+
+            if( node_list )
+                node_list = realloc( node_list, sizeof(dc_camera) * (num_cameras+nodecount) );
+            else
+                node_list = malloc( sizeof(dc_camera) * nodecount);
+
+            for( n = 0; n < nodecount; n++ )
+            {
+                int result = 0;
+
+                result = dc1394_get_camera_info( tempFd, nodes[n], &info );
+                if( result == DC1394_SUCCESS )
+                {
+                    node_list[num_cameras+n].uid = info.euid_64;
+                }
+                node_list[num_cameras+n].node = nodes[n];
+                node_list[num_cameras+n].port = i;
+            }
+            num_cameras += nodecount;
+        }
+        else
+            msg_Dbg( p_demux, "no cameras found  on port %d (%s)",
+                     i, portinfo[i].name );
+
+        if( tempFd )
+            dc1394_destroy_handle( tempFd );
+    }
+    sys->num_ports = num_ports;
+    sys->num_cameras = num_cameras;
+    sys->camera_nodes = node_list;
+}
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+    demux_t     *p_demux = (demux_t*)p_this;
+    demux_sys_t *p_sys;
+    es_format_t fmt;
+    int i;
+    int i_width;
+    int i_height;
+    int i_aspect;
+    int result = 0;
+
+    /* Set up p_demux */
+    p_demux->pf_demux = Demux;
+    p_demux->pf_control = Control;
+    p_demux->info.i_update = 0;
+    p_demux->info.i_title = 0;
+    p_demux->info.i_seekpoint = 0;
+
+    p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+    if( !p_sys )
+    {
+        msg_Err( p_demux, "not enough memory available" );
+        return VLC_ENOMEM;
+    }
+    memset( p_sys, 0, sizeof( demux_sys_t ) );
+    memset( &fmt, 0, sizeof( es_format_t ) );
+
+    /* DEFAULTS */
+    p_sys->frame_size = MODE_640x480_YUV422;
+    p_sys->width      = 640;
+    p_sys->height     = 480;
+    p_sys->frame_rate = FRAMERATE_30;
+    p_sys->brightness = 200;
+    p_sys->focus      = 0;
+    p_sys->dma_capture = DMA_ON; /* defaults to VIDEO1394 capture mode */
+    p_sys->fd_audio   = -1;
+    p_sys->fd_video   = NULL;
+    p_sys->camera_nodes = NULL;
+    p_sys->selected_camera = 0;
+    p_sys->dma_device = NULL;
+    p_sys->selected_uid = 0;
+
+    /* PROCESS INPUT OPTIONS */
+    if( process_options(p_demux) != VLC_SUCCESS )
+    {
+        msg_Err( p_demux, "Bad MRL, please check the option line "
+                          "(MRL was: %s)",
+                          p_demux->psz_path );
+        free( p_sys );
+        p_demux->p_sys = NULL;
+        return VLC_EGENERIC;
+    }
+
+    msg_Dbg( p_demux, "Selected camera %d", p_sys->selected_camera );
+    msg_Dbg( p_demux, "Selected uid 0x%llx", p_sys->selected_uid );
+
+    ScanCameras( p_sys, p_demux );
+    if( !p_sys->camera_nodes )
+    {
+        msg_Err( p_demux, "No camera found !!" );
+        free( p_sys );
+        p_demux->p_sys = NULL;
+        return VLC_EGENERIC;
+    }
+
+    if( p_sys->selected_uid )
+    {
+        int found = 0;
+        for( i=0; i < p_sys->num_cameras; i++ )
+        {
+            if( p_sys->camera_nodes[i].uid == p_sys->selected_uid )
+            {
+                p_sys->selected_camera = i;
+                found++;
+                break;
+            }
+        }
+        if( !found )
+        {
+            msg_Err( p_demux, "Can't find camera with uid : 0x%llx.",
+                     p_sys->selected_uid );
+            Close( p_this );
+            return VLC_EGENERIC;
+        }
+    }
+    else if( p_sys->selected_camera >= p_sys->num_cameras )
+    {
+        msg_Err( p_demux, "there are not this many cameras. (%d/%d)",
+                          p_sys->selected_camera, p_sys->num_cameras );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->fd_video = dc1394_create_handle(
+                        p_sys->camera_nodes[p_sys->selected_camera].port );
+    if( (int)p_sys->fd_video < 0 )
+    {
+        msg_Err( p_demux, "Can't init dc1394 handle" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    /* get camera info */
+    result = dc1394_get_camera_info( p_sys->fd_video,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        &p_sys->camera_info );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux ,"unable to get camera info" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    dc1394_print_camera_info( &p_sys->camera_info );
+    result = dc1394_get_camera_misc_info( p_sys->fd_video,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        &p_sys->misc_info );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to get camera misc info" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    /* init camera and set some video options  */
+    result = dc1394_init_camera( p_sys->camera_info.handle,
+                                 p_sys->camera_info.id );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to get init dc1394 camera" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    if( p_sys->focus )
+    {
+        result = dc1394_set_focus( p_sys->camera_info.handle,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        p_sys->focus );
+        if( result != DC1394_SUCCESS )
+        {
+            msg_Err( p_demux, "unable to set initial focus to %u",
+                     p_sys->focus );
+        }
+        msg_Dbg( p_demux, "Initial focus set to %u", p_sys->focus );
+    }
+
+    result = dc1394_set_brightness( p_sys->camera_info.handle,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        p_sys->brightness );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to set init brightness to %d",
+                 p_sys->brightness);
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    result = dc1394_set_video_framerate( p_sys->camera_info.handle,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        p_sys->frame_rate );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to set framerate to %d",
+                 p_sys->frame_rate );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+    p_sys->misc_info.framerate = p_sys->frame_rate;
+
+    result = dc1394_set_video_format( p_sys->camera_info.handle,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        FORMAT_VGA_NONCOMPRESSED );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to set video format to VGA_NONCOMPRESSED" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+    p_sys->misc_info.format = FORMAT_VGA_NONCOMPRESSED;
+
+    result = dc1394_set_video_mode( p_sys->camera_info.handle,
+                        p_sys->camera_nodes[p_sys->selected_camera].node,
+                        p_sys->frame_size );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to set video mode" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+    p_sys->misc_info.mode = p_sys->frame_size;
+
+    /* reprobe everything */
+    result = dc1394_get_camera_info( p_sys->camera_info.handle,
+                                     p_sys->camera_info.id,
+                                     &p_sys->camera_info );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "Could not get camera basic information!" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    result = dc1394_get_camera_misc_info( p_sys->camera_info.handle,
+                                          p_sys->camera_info.id,
+                                          &p_sys->misc_info );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "Could not get camera misc information!" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+
+    /* set iso_channel */
+    result = dc1394_set_iso_channel_and_speed( p_sys->camera_info.handle,
+                                               p_sys->camera_info.id,
+                                               p_sys->selected_camera,
+                                               SPEED_400 );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "Could not set iso channel!" );
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+    msg_Dbg( p_demux, "Using ISO channel %d", p_sys->misc_info.iso_channel );
+    p_sys->misc_info.iso_channel = p_sys->selected_camera;
+
+    /* and setup capture */
+    if( p_sys->dma_capture )
+    {
+        result = dc1394_dma_setup_capture( p_sys->camera_info.handle,
+                        p_sys->camera_info.id,
+                        p_sys->misc_info.iso_channel,
+                        p_sys->misc_info.format,
+                        p_sys->misc_info.mode,
+                        SPEED_400,
+                        p_sys->misc_info.framerate,
+                        10, 0,
+                        p_sys->dma_device,
+                        &p_sys->camera );
+        if( result != DC1394_SUCCESS )
+        {
+            msg_Err( p_demux ,"unable to setup camera" );
+            Close( p_this );
+            return VLC_EGENERIC;
+        }
+    }
+    else
+    {
+        result = dc1394_setup_capture( p_sys->camera_info.handle,
+                    p_sys->camera_info.id,
+                    p_sys->misc_info.iso_channel,
+                    p_sys->misc_info.format,
+                    p_sys->misc_info.mode,
+                    SPEED_400,
+                    p_sys->misc_info.framerate,
+                    &p_sys->camera );
+        if( result != DC1394_SUCCESS)
+        {
+            msg_Err( p_demux ,"unable to setup camera" );
+            Close( p_this );
+            return VLC_EGENERIC;
+        }
+    }
+
+    /* TODO - UYV444 chroma converter is missing, when it will be available
+     * fourcc will become variable (and not just a fixed value for UYVY)
+     */
+    i_width = p_sys->camera.frame_width;
+    i_height = p_sys->camera.frame_height;
+
+    i_aspect = vout_InitPicture( VLC_OBJECT(p_demux), &p_sys->pic,
+                    VLC_FOURCC('U', 'Y', 'V', 'Y'),
+                    i_width, i_height,
+                    i_width * VOUT_ASPECT_FACTOR / i_height );
+
+    es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('U', 'Y', 'V', 'Y') );
+
+    fmt.video.i_width = i_width;
+    fmt.video.i_height = i_height;
+
+    msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
+             (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
+
+    p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
+
+    if( p_sys->audio_device )
+    {
+        OpenAudioDev( p_demux );
+        if( p_sys->fd_audio >= 0 )
+        {
+            es_format_t fmt;
+            es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC('a','r','a','w') );
+
+            fmt.audio.i_channels = p_sys->channels ? p_sys->channels : 1;
+            fmt.audio.i_rate = p_sys->i_sample_rate;
+            fmt.audio.i_bitspersample = 16; /* FIXME: hmm, ?? */
+            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;
+
+            msg_Dbg( p_demux, "new audio es %d channels %dHz",
+            fmt.audio.i_channels, fmt.audio.i_rate );
+
+            p_sys->p_es_audio = es_out_Add( p_demux->out, &fmt );
+        }
+    }
+
+    /* have the camera start sending us data */
+    result = dc1394_start_iso_transmission( p_sys->camera_info.handle,
+                                            p_sys->camera_info.id );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "unable to start camera iso transmission" );
+        if( p_sys->dma_capture )
+        {
+            dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
+        }
+        else
+        {
+            dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
+        }
+        Close( p_this );
+        return VLC_EGENERIC;
+    }
+    p_sys->misc_info.is_iso_on = DC1394_TRUE;
+    return VLC_SUCCESS;
+}
+
+static void OpenAudioDev( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    char *psz_device = p_sys->audio_device;
+    int i_format = AFMT_S16_LE;
+    int result;
+
+    p_sys->fd_audio = open( psz_device, O_RDONLY | O_NONBLOCK );
+    if( p_sys->fd_audio  < 0 )
+    {
+        msg_Err( p_demux, "cannot open audio device (%s)", psz_device );
+        CloseAudioDev( p_demux );
+    }
+
+    if( !p_sys->i_sample_rate )
+        p_sys->i_sample_rate = 44100;
+
+    result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format );
+    if( (result  < 0) || (i_format != AFMT_S16_LE) )
+    {
+        msg_Err( p_demux, "cannot set audio format (16b little endian) "
+                          "(%d)", i_format );
+        CloseAudioDev( p_demux );
+    }
+
+    result = ioctl( p_sys->fd_audio, SNDCTL_DSP_CHANNELS, &p_sys->channels );
+    if( result < 0 )
+    {
+        msg_Err( p_demux, "cannot set audio channels count (%d)",
+                 p_sys->channels );
+        CloseAudioDev( p_demux );
+    }
+
+    result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED, &p_sys->i_sample_rate );
+    if( result < 0 )
+    {
+        msg_Err( p_demux, "cannot set audio sample rate (%s)", p_sys->i_sample_rate );
+        CloseAudioDev( p_demux );
+    }
+
+    msg_Dbg( p_demux, "openened adev=`%s' %s %dHz",
+             psz_device,
+             (p_sys->channels > 1) ? "stereo" : "mono",
+             p_sys->i_sample_rate );
+
+    p_sys->i_audio_max_frame_size = 32 * 1024;
+}
+
+static inline void CloseAudioDev( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = NULL;
+
+    if( p_demux )
+    {
+        p_sys = p_demux->p_sys;
+        if( p_sys->fd_audio >= 0 )
+            close( p_sys->fd_audio );
+    }
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+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;
+    int result = 0;
+
+    /* Stop data transmission */
+    result = dc1394_stop_iso_transmission( p_sys->fd_video,
+                                           p_sys->camera.node );
+    if( result != DC1394_SUCCESS )
+    {
+        msg_Err( p_demux, "couldn't stop the camera" );
+    }
+
+    /* Close camera */
+    if( p_sys->dma_capture )
+    {
+        dc1394_dma_unlisten( p_sys->fd_video, &p_sys->camera );
+        dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
+    }
+    else
+    {
+        dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
+    }
+
+    if( p_sys->fd_video )
+        dc1394_destroy_handle( p_sys->fd_video );
+    CloseAudioDev( p_demux );
+
+    if( p_sys->camera_nodes )
+        free( p_sys->camera_nodes );
+    if( p_sys->audio_device )
+        free( p_sys->audio_device );
+
+    free( p_sys );
+}
+
+static void MovePixelUYVY( void *src, int spos, void *dst, int dpos )
+{
+    char u,v,y;
+    u_char  *sc;
+    u_char  *dc;
+
+    sc = (u_char *)src + (spos*2);
+    if( spos % 2 )
+    {
+        v = sc[0];
+        y = sc[1];
+        u = *(sc -2);
+    }
+    else
+    {
+        u = sc[0];
+        y = sc[1];
+        v = sc[2];
+    }
+    dc = (u_char *)dst+(dpos*2);
+    if( dpos % 2 )
+    {
+        dc[0] = v;
+        dc[1] = y;
+    }
+    else
+    {
+        dc[0] = u;
+        dc[1] = y;
+    }
+}
+
+/*****************************************************************************
+ * Demux:
+ *****************************************************************************/
+static block_t *GrabVideo( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    block_t     *p_block = NULL;
+    int result = 0;
+
+    if( p_sys->dma_capture )
+    {
+        result = dc1394_dma_single_capture( &p_sys->camera );
+        if( result != DC1394_SUCCESS )
+        {
+            msg_Err( p_demux, "unable to capture a frame" );
+            return NULL;
+        }
+    }
+    else
+    {
+        result = dc1394_single_capture( p_sys->camera_info.handle,
+                                        &p_sys->camera );
+        if( result != DC1394_SUCCESS )
+        {
+            msg_Err( p_demux, "unable to capture a frame" );
+            return NULL;
+        }
+    }
+
+    p_block = block_New( p_demux, p_sys->camera.frame_width *
+                                  p_sys->camera.frame_height * 2 );
+    if( !p_block )
+    {
+        msg_Err( p_demux, "cannot get block" );
+        return NULL;
+    }
+
+    if( !p_sys->camera.capture_buffer )
+    {
+        msg_Err (p_demux, "caputer buffer empty");
+        block_Release( p_block );
+        return NULL;
+    }
+
+    memcpy( p_block->p_buffer, (const char *)p_sys->camera.capture_buffer,
+            p_sys->camera.frame_width * p_sys->camera.frame_height * 2 );
+
+    p_block->i_pts = p_block->i_dts = mdate();
+    if( p_sys->dma_capture )
+        dc1394_dma_done_with_buffer( &p_sys->camera );
+    return p_block;
+}
+
+static block_t *GrabAudio( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    struct audio_buf_info buf_info;
+    block_t *p_block = NULL;
+    int i_read = 0;
+    int i_correct = 0;
+    int result = 0;
+
+    p_block = block_New( p_demux, p_sys->i_audio_max_frame_size );
+    if( !p_block )
+    {
+        msg_Warn( p_demux, "cannot get buffer" );
+        return NULL;
+    }
+
+    i_read = read( p_sys->fd_audio, p_block->p_buffer,
+                   p_sys->i_audio_max_frame_size );
+
+    if( i_read <= 0 )
+        return NULL;
+
+    p_block->i_buffer = i_read;
+
+    /* Correct the date because of kernel buffering */
+    i_correct = i_read;
+    result = ioctl( p_sys->fd_audio, SNDCTL_DSP_GETISPACE, &buf_info );
+    if( result == 0 )
+        i_correct += buf_info.bytes;
+
+    p_block->i_pts = p_block->i_dts =
+                        mdate() - I64C(1000000) * (mtime_t)i_correct /
+                        2 / p_sys->channels / p_sys->i_sample_rate;
+    return p_block;
+}
+
+static int Demux( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    block_t *p_blocka = NULL;
+    block_t *p_blockv = NULL;
+
+    /* Try grabbing audio frames first */
+    if( p_sys->fd_audio > 0 )
+        p_blocka = GrabAudio( p_demux );
+
+    /* Try grabbing video frame */
+    if( (int)p_sys->fd_video > 0 )
+        p_blockv = GrabVideo( p_demux );
+
+    if( !p_blocka && !p_blockv )
+    {
+        /* Sleep so we do not consume all the cpu, 10ms seems
+         * like a good value (100fps)
+         */
+        msleep( 10000 );
+        return 1;
+    }
+
+    if( p_blocka )
+    {
+        es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blocka->i_pts );
+        es_out_Send( p_demux->out, p_sys->p_es_audio, p_blocka );
+    }
+
+    if( p_blockv )
+    {
+        es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blockv->i_pts );
+        es_out_Send( p_demux->out, p_sys->p_es_video, p_blockv );
+    }
+    return 1;
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+    vlc_bool_t *pb;
+    int64_t    *pi64;
+
+    switch( i_query )
+    {
+        /* Special for access_demux */
+        case DEMUX_CAN_PAUSE:
+        case DEMUX_SET_PAUSE_STATE:
+        case DEMUX_CAN_CONTROL_PACE:
+            pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
+            *pb = VLC_FALSE;
+            return VLC_SUCCESS;
+
+        case DEMUX_GET_PTS_DELAY:
+            pi64 = (int64_t*)va_arg( args, int64_t * );
+            *pi64 = (int64_t)DEFAULT_PTS_DELAY;
+            return VLC_SUCCESS;
+
+        case DEMUX_GET_TIME:
+            pi64 = (int64_t*)va_arg( args, int64_t * );
+            *pi64 = mdate();
+            return VLC_SUCCESS;
+
+        /* TODO implement others */
+        default:
+            return VLC_EGENERIC;
+    }
+    return VLC_EGENERIC;
+}
+
+static int process_options( demux_t *p_demux )
+{
+    demux_sys_t *p_sys = p_demux->p_sys;
+    char *psz_dup; 
+    char *psz_parser;
+    char *token = NULL;
+    char *state = NULL;
+    float rate_f;
+
+    if( strncmp(p_demux->psz_access, "dc1394", 6) != 0 )
+        return VLC_EGENERIC;
+
+    psz_dup = strdup( p_demux->psz_path );
+    psz_parser = psz_dup;
+    for( token = strtok_r( psz_parser,":",&state); token;
+         token = strtok_r( NULL, ":", &state ) )
+    {
+        if( strncmp( token, "size=", strlen("size=") ) == 0 )
+        {
+            token += strlen("size=");
+            if( strncmp( token, "160x120", 7 ) == 0 )
+            {
+                /* TODO - UYV444 chroma converter is needed ...
+                    * video size of 160x120 is temporarily disabled
+                    */
+                msg_Err( p_demux,
+                    "video size of 160x120 is actually disabled for lack of chroma "
+                    "support. It will relased ASAP, until then try an higher size "
+                    "(320x240 and 640x480 are fully supported)" );
+                free(psz_dup);
+                return VLC_EGENERIC;
+#if 0
+                p_sys->frame_size = MODE_160x120_YUV444;
+                p_sys->width = 160;
+                p_sys->height = 120;
+#endif
+            }
+            else if( strncmp( token, "320x240", 7 ) == 0 )
+            {
+                p_sys->frame_size = MODE_320x240_YUV422;
+                p_sys->width = 320;
+                p_sys->height = 240;
+            }
+            else if( strncmp( token, "640x480", 7 ) == 0 )
+            {
+                p_sys->frame_size = MODE_640x480_YUV422;
+                p_sys->width = 640;
+                p_sys->height = 480;
+            }
+            else
+            {
+                msg_Err( p_demux,
+                    "This program currently suppots frame sizes of"
+                    " 160x120, 320x240, and 640x480. "
+                    "Please specify one of them. You have specified %s.",
+                    token );
+                free(psz_dup);
+                return VLC_EGENERIC;
+            }
+            msg_Dbg( p_demux, "Requested video size : %s",token );
+        }
+        else if( strncmp( token, "fps=", strlen( "fps=" ) ) == 0 )
+        {
+            token += strlen("fps=");
+            sscanf( token, "%g", &rate_f );
+            if( rate_f == 1.875 )
+                p_sys->frame_rate = FRAMERATE_1_875;
+            else if( rate_f == 3.75 )
+                p_sys->frame_rate = FRAMERATE_3_75;
+            else if( rate_f == 7.5 )
+                p_sys->frame_rate = FRAMERATE_7_5;
+            else if( rate_f == 15 )
+                p_sys->frame_rate = FRAMERATE_15;
+            else if( rate_f == 30 )
+                p_sys->frame_rate = FRAMERATE_30;
+            else if( rate_f == 60 )
+                p_sys->frame_rate = FRAMERATE_60;
+            else
+            {
+                msg_Err( p_demux ,
+                    "This program supports framerates of"
+                    " 1.875, 3.75, 7.5, 15, 30, 60. "
+                    "Please specify one of them. You have specified %s.",
+                    token);
+                free(psz_dup);
+                return VLC_EGENERIC;
+            }
+            msg_Dbg( p_demux, "Requested frame rate : %s",token );
+        }
+        else if( strncmp( token, "brightness=", strlen( "brightness=" ) ) == 0 )
+        {
+            int nr = 0;
+            token += strlen("brightness=");
+            nr = sscanf( token, "%u", &p_sys->brightness);
+            if( nr != 1 )
+            {
+                msg_Err( p_demux, "Bad brightness value '%s', "
+                                  "must be an unsigned integer.",
+                                  token );
+                free(psz_dup);
+                return VLC_EGENERIC;
+            }
+        }
+#if 0
+        else if( strncmp( token, "controller=", strlen( "controller=" ) ) == 0 )
+        {
+            int nr = 0;
+            token += strlen("controller=");
+            nr = sscanf( token, "%u", &p_sys->controller );
+            if( nr != 1)
+            {
+                msg_Err(p_demux, "Bad controller value '%s', "
+                                 "must be an unsigned integer.",
+                                 token );
+                return VLC_EGENERIC;
+            }
+        }
+#endif
+        else if( strncmp( token, "camera=", strlen( "camera=" ) ) == 0 )
+        {
+            int nr = 0;
+            token += strlen("camera=");
+            nr = sscanf(token,"%u",&p_sys->selected_camera);
+            if( nr != 1)
+            {
+                msg_Err( p_demux, "Bad camera number '%s', "
+                                  "must be an unsigned integer.",
+                                  token );
+                free(psz_dup);
+                return VLC_EGENERIC;
+            }
+        }
+        else if( strncmp( token, "capture=", strlen( "capture=" ) ) == 0)
+        {
+            token += strlen("capture=");
+            if( strncmp(token, "raw1394",7) == 0 )
+            {
+                msg_Dbg( p_demux, "DMA capture disabled!" );
+                p_sys->dma_capture = DMA_OFF;
+            }
+            else if( strncmp(token,"video1394",9) == 0 )
+            {
+                msg_Dbg( p_demux, "DMA capture enabled!" );
+                p_sys->dma_capture = DMA_ON;
+            }
+            else
+            {
+                msg_Err(p_demux, "Bad capture method value '%s', "
+                                 "it can be 'raw1394' or 'video1394'.",
+                                token );
+                free(psz_dup);
+                return VLC_EGENERIC;
+            }
+        }
+        else if( strncmp( token, "adev=", strlen( "adev=" ) ) == 0 )
+        {
+            token += strlen("adev=");
+            p_sys->audio_device = strdup(token);
+            msg_Dbg( p_demux, "Using audio device '%s'.", token );
+        }
+        else if( strncmp( token, "samplerate=", strlen( "samplerate=" ) ) == 0 )
+        {
+            token += strlen("samplerate=");
+            sscanf( token, "%d", &p_sys->i_sample_rate );
+        }
+        else if( strncmp( token, "channels=", strlen("channels=" ) ) == 0 )
+        {
+            token += strlen("channels=");
+            sscanf( token, "%d", &p_sys->channels );
+        }
+        else if( strncmp( token, "focus=", strlen("focus=" ) ) == 0)
+        {
+            token += strlen("focus=");
+            sscanf( token, "%u", &p_sys->focus );
+        }
+        else if( strncmp( token, "uid=", strlen("uid=") ) == 0)
+        {
+            token += strlen("uid=");
+            sscanf( token, "0x%llx", &p_sys->selected_uid );
+        }
+    }
+    if( psz_dup ) free( psz_dup );
+    return VLC_SUCCESS;
+}
+