* modules/codec/dmo: "DirectX Media Object" decoder plugin (win32 only).

   This plugin allows using DMO filters to decode some media types (eg. WMV3).

configure.ac

@@ -889,7 +889,7 @@ dnl
 dnl  default modules
 dnl
 VLC_ADD_PLUGINS([dummy rc telnet logger gestures memcpy hotkeys netsync])
-VLC_ADD_PLUGINS([mpgv mpga m4v h264 ps pva avi asf aac mp4 rawdv nsv real aiff mjpeg])
+VLC_ADD_PLUGINS([mpgv mpga m4v h264 ps pva avi asf aac mp4 rawdv nsv real aiff mjpeg demuxdump])
 VLC_ADD_PLUGINS([cvdsub svcdsub spudec dvbsub mpeg_audio lpcm a52 dts cinepak])
 VLC_ADD_PLUGINS([deinterlace invert adjust wall transform distort clone crop motionblur])
 VLC_ADD_PLUGINS([float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif dtstospdif fixed32tofloat32 fixed32tos16 s16tofixed32 s16tofloat32 s16tofloat32swab s8tofloat32 u8tofixed32 u8tofloat32])
@@ -921,6 +921,8 @@ if test "${SYS}" != "mingw32"; then
     VLC_ADD_PLUGINS([screensaver])
 else
     VLC_ADD_PLUGINS([ntservice])
+    VLC_ADD_PLUGINS([dmo])
+    VLC_ADD_LDFLAGS([dmo],[-lole32])
 fi
 
 dnl
@@ -1270,6 +1272,12 @@ then
       AC_MSG_ERROR([cannot find ${with_dvdread}/include/dvdread/dvd_reader.h])
     fi
   fi
+
+  dnl Temporary hack (yeah, sure ;)
+  if test "${SYS}" = "mingw32" || test "${SYS}" = "darwin"; then
+      VLC_ADD_LDFLAGS([dvdread],[-ldvdcss])
+  fi
+
 fi
 
 dnl
@@ -3782,6 +3790,7 @@ AC_CONFIG_FILES([
   modules/audio_output/Makefile
   modules/codec/Makefile
   modules/codec/cmml/Makefile
+  modules/codec/dmo/Makefile
   modules/codec/ffmpeg/Makefile
   modules/codec/ffmpeg/postprocessing/Makefile
   modules/codec/ogt/Makefile

include/codecs.h

@@ -4,7 +4,7 @@
  * Copyright (C) 1999-2001 VideoLAN
  * $Id$
  *
- * Author: Gildas Bazin <gbazin@netcourrier.com>
+ * Author: Gildas Bazin <gbazin@videolan.org>
  *
  * 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
@@ -120,11 +120,29 @@ typedef struct {
 } BITMAPINFO, *LPBITMAPINFO;
 #endif
 
-/* dvb_spuinfo_t exports the id of the selected track to the decoder */
 typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+    __attribute__((__packed__))
+#endif
+{
+    int left, top, right, bottom;
+} RECT32;
+
+typedef int64_t REFERENCE_TIME;
+
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+    __attribute__((__packed__))
+#endif
 {
-    unsigned int i_id;
-} dvb_spuinfo_t;
+    RECT32            rcSource;
+    RECT32            rcTarget;
+    uint32_t          dwBitRate;
+    uint32_t          dwBitErrorRate;
+    REFERENCE_TIME    AvgTimePerFrame;
+    BITMAPINFOHEADER  bmiHeader;
+    //int               reserved[3];
+} VIDEOINFOHEADER;
 
 /* WAVE format wFormatTag IDs */
 #define WAVE_FORMAT_UNKNOWN             0x0000 /* Microsoft Corporation */
@@ -207,25 +225,26 @@ wave_format_tag_to_fourcc[] =
     { WAVE_FORMAT_UNKNOWN,  VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
 };
 
-static inline void wf_tag_to_fourcc( uint16_t i_tag,
-                                     vlc_fourcc_t *fcc, char **ppsz_name )
+static inline void wf_tag_to_fourcc( uint16_t i_tag, vlc_fourcc_t *fcc,
+                                     char **ppsz_name )
 {
     int i;
     for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
     {
-        if( wave_format_tag_to_fourcc[i].i_tag == i_tag )
-        {
-            break;
-        }
-    }
-    if( fcc )
-    {
-        *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
+        if( wave_format_tag_to_fourcc[i].i_tag == i_tag ) break;
     }
-    if( ppsz_name )
+    if( fcc ) *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
+    if( ppsz_name ) *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
+}
+
+static inline void fourcc_to_wf_tag( vlc_fourcc_t fcc, uint16_t *pi_tag )
+{
+    int i;
+    for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
     {
-        *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
+        if( wave_format_tag_to_fourcc[i].i_fourcc == fcc ) break;
     }
+    if( pi_tag ) *pi_tag = wave_format_tag_to_fourcc[i].i_tag;
 }
 
 /**
@@ -252,6 +271,7 @@ typedef struct es_sys_t
     vlc_bool_t          b_forced_subs;
     unsigned int        palette[16];
     unsigned int        colors[4];
+
 } subtitle_data_t;
 
 #endif /* "codecs.h" */

modules/codec/dmo/Modules.am

+SOURCES_dmo = dmo.c dmo.h buffer.c

modules/codec/dmo/buffer.c

+/*****************************************************************************
+ * buffer.c : DirectMedia Object decoder module for vlc
+ *****************************************************************************
+ * Copyright (C) 2002, 2003 VideoLAN
+ * $Id$
+ *
+ * Author: Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <vlc/vlc.h>
+#include <vlc/decoder.h>
+#include <vlc/vout.h>
+
+#include <objbase.h>
+#include "codecs.h"
+#include "dmo.h"
+
+static long STDCALL QueryInterface( IUnknown *This,
+                                    const GUID *riid, void **ppv )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+    if( !memcmp( riid, &IID_IUnknown, sizeof(GUID) ) ||
+        !memcmp( riid, &IID_IMediaBuffer, sizeof(GUID) ) )
+    {
+        p_mb->i_ref++;
+        *ppv = (void *)This;
+        return NOERROR;
+    }
+    else
+    {
+        *ppv = NULL;
+        return E_NOINTERFACE;
+    }
+}
+
+static long STDCALL AddRef( IUnknown *This )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+    return p_mb->i_ref++;
+}
+
+static long STDCALL Release( IUnknown *This )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+    p_mb->i_ref--;
+
+    if( p_mb->i_ref == 0 )
+    {
+        if( p_mb->b_own ) block_Release( p_mb->p_block );
+        free( p_mb->vt );
+        free( p_mb );
+    }
+
+    return 0;
+}
+
+static long STDCALL SetLength( IMediaBuffer *This, uint32_t cbLength )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+    if( cbLength > p_mb->i_max_size ) return E_INVALIDARG;
+    p_mb->p_block->i_buffer = cbLength;
+    return S_OK;
+}
+
+static long STDCALL GetMaxLength( IMediaBuffer *This, uint32_t *pcbMaxLength )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+    if( !pcbMaxLength ) return E_POINTER;
+    *pcbMaxLength = p_mb->i_max_size;
+    return S_OK;
+}
+
+static long STDCALL GetBufferAndLength( IMediaBuffer *This,
+                                        char **ppBuffer, uint32_t *pcbLength )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)This;
+
+    if( !ppBuffer && !pcbLength ) return E_POINTER;
+    if( ppBuffer ) *ppBuffer = p_mb->p_block->p_buffer;
+    if( pcbLength ) *pcbLength = p_mb->p_block->i_buffer;
+    return S_OK;
+}
+
+CMediaBuffer *CMediaBufferCreate( block_t *p_block, int i_max_size,
+                                  vlc_bool_t b_own )
+{
+    CMediaBuffer *p_mb = (CMediaBuffer *)malloc( sizeof(CMediaBuffer) );
+    if( !p_mb ) return NULL;
+
+    p_mb->vt = (IMediaBuffer_vt *)malloc( sizeof(IMediaBuffer_vt) );
+    if( !p_mb->vt )
+    {
+        free( p_mb );
+        return NULL;
+    }
+
+    p_mb->i_ref = 1;
+    p_mb->p_block = p_block;
+    p_mb->i_max_size = i_max_size;
+    p_mb->b_own = b_own;
+
+    p_mb->vt->QueryInterface = QueryInterface;
+    p_mb->vt->AddRef = AddRef;
+    p_mb->vt->Release = Release;
+
+    p_mb->vt->SetLength = SetLength;
+    p_mb->vt->GetMaxLength = GetMaxLength;
+    p_mb->vt->GetBufferAndLength = GetBufferAndLength;
+
+    return p_mb;
+}

modules/codec/dmo/dmo.c

+/*****************************************************************************
+ * dmo.c : DirectMedia Object decoder module for vlc
+ *****************************************************************************
+ * Copyright (C) 2002, 2003 VideoLAN
+ * $Id$
+ *
+ * Author: Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <vlc/vlc.h>
+#include <vlc/decoder.h>
+#include <vlc/vout.h>
+
+#include <objbase.h>
+#include "codecs.h"
+#include "dmo.h"
+
+static int pi_channels_maps[7] =
+{
+    0,
+    AOUT_CHAN_CENTER,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+    AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+     | AOUT_CHAN_REARRIGHT,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+     | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+     | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
+};
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int  DecoderOpen  ( vlc_object_t * );
+static void DecoderClose ( vlc_object_t * );
+static void *DecodeBlock ( decoder_t *, block_t ** );
+
+static void CopyPicture( decoder_t *, picture_t *, uint8_t * );
+
+vlc_module_begin();
+    set_description( _("DirectMedia Object decoder") );
+    add_shortcut( "dmo" );
+    set_capability( "decoder", 1 );
+    set_callbacks( DecoderOpen, DecoderClose );
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+
+/****************************************************************************
+ * Decoder descriptor declaration
+ ****************************************************************************/
+struct decoder_sys_t
+{
+    HINSTANCE hmsdmo_dll;
+    IMediaObject *p_dmo;
+
+    int i_min_output;
+
+    audio_date_t end_date;
+};
+
+/*****************************************************************************
+ * DecoderOpen: open dmo codec
+ *****************************************************************************/
+static int DecoderOpen( vlc_object_t *p_this )
+{
+    decoder_t *p_dec = (decoder_t*)p_this;
+    decoder_sys_t *p_sys = NULL;
+
+    DMO_PARTIAL_MEDIATYPE dmo_partial_type;
+    DMO_MEDIA_TYPE dmo_input_type, dmo_output_type;
+    IEnumDMO *p_enum_dmo = NULL; 
+    IMediaObject *p_dmo = NULL;
+    WCHAR *psz_dmo_name;
+    GUID clsid_dmo;
+
+    VIDEOINFOHEADER *p_vih = NULL;
+    WAVEFORMATEX *p_wf = NULL;
+
+    HRESULT (STDCALL *OurDMOEnum)( const GUID *, uint32_t, uint32_t,
+                           const DMO_PARTIAL_MEDIATYPE *,
+                           uint32_t, const DMO_PARTIAL_MEDIATYPE *,
+                           IEnumDMO ** );
+
+    /* Load msdmo DLL */
+    HINSTANCE hmsdmo_dll = LoadLibrary( "msdmo.dll" );
+    if( hmsdmo_dll == NULL )
+    {
+        msg_Dbg( p_dec, "failed loading msdmo.dll" );
+        return VLC_EGENERIC;
+    }
+    OurDMOEnum = (void *)GetProcAddress( hmsdmo_dll, "DMOEnum" );
+    if( OurDMOEnum == NULL )
+    {
+        msg_Dbg( p_dec, "GetProcAddress failed to find DMOEnum()" );
+        FreeLibrary( hmsdmo_dll );
+        return VLC_EGENERIC;
+    }
+
+    /* Look for a DMO which can handle the requested codec */
+    if( p_dec->fmt_in.i_cat == AUDIO_ES )
+    {
+        uint16_t i_tag;
+        dmo_partial_type.type = MEDIATYPE_Audio;
+        dmo_partial_type.subtype = dmo_partial_type.type;
+        dmo_partial_type.subtype.Data1 = p_dec->fmt_in.i_codec;
+        fourcc_to_wf_tag( p_dec->fmt_in.i_codec, &i_tag );
+        if( i_tag ) dmo_partial_type.subtype.Data1 = i_tag;
+    }
+    else
+    {
+        dmo_partial_type.type = MEDIATYPE_Video;
+        dmo_partial_type.subtype = dmo_partial_type.type;
+        dmo_partial_type.subtype.Data1 = p_dec->fmt_in.i_codec;
+    }
+
+    /* Initialize OLE/COM */
+    CoInitialize( 0 );
+
+    if( OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
+                    1, &dmo_partial_type, 0, NULL, &p_enum_dmo ) )
+    {
+        goto error;
+    }
+
+    /* Pickup the first available codec */
+    if( p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo,
+                              &psz_dmo_name, NULL ) )
+    {
+        goto error;
+    }
+    p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo );
+
+#if 1
+    {
+        char psz_temp[MAX_PATH];
+        wcstombs( psz_temp, psz_dmo_name, MAX_PATH );
+        msg_Dbg( p_dec, "found DMO: %s", psz_temp );
+    }
+#endif
+
+    CoTaskMemFree( psz_dmo_name );
+
+    /* Create DMO */
+    if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC,
+                          &IID_IMediaObject, (void **)&p_dmo ) )
+    {
+        msg_Err( p_dec, "can't create DMO" );
+        goto error;
+    }
+
+    /* Setup input format */
+    memset( &dmo_input_type, 0, sizeof(dmo_input_type) );
+    dmo_input_type.majortype = dmo_partial_type.type;
+    dmo_input_type.subtype = dmo_partial_type.subtype;
+    dmo_input_type.pUnk = 0;
+
+    if( p_dec->fmt_in.i_cat == AUDIO_ES )
+    {
+        int i_size = sizeof(WAVEFORMATEX) + p_dec->fmt_in.i_extra;
+        p_wf = malloc( i_size );
+
+        memset( p_wf, 0, sizeof(WAVEFORMATEX) );
+        if( p_dec->fmt_in.i_extra )
+            memcpy( &p_wf[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
+
+        p_wf->wFormatTag = dmo_partial_type.subtype.Data1;
+        p_wf->nSamplesPerSec = p_dec->fmt_in.audio.i_rate;
+        p_wf->nChannels = p_dec->fmt_in.audio.i_channels;
+        p_wf->wBitsPerSample = p_dec->fmt_in.audio.i_bitspersample;
+        p_wf->nBlockAlign = p_dec->fmt_in.audio.i_blockalign;
+        p_wf->nAvgBytesPerSec = p_dec->fmt_in.i_bitrate / 8;
+        p_wf->cbSize = i_size;
+
+        dmo_input_type.formattype = FORMAT_WaveFormatEx;
+        dmo_input_type.cbFormat   = i_size;
+        dmo_input_type.pbFormat   = (char *)p_wf;
+        dmo_input_type.pUnk       = NULL;
+        dmo_input_type.bFixedSizeSamples = 1;
+        dmo_input_type.bTemporalCompression = 0;
+        dmo_input_type.lSampleSize = p_wf->nBlockAlign;
+    }
+    else
+    {
+        BITMAPINFOHEADER *p_bih;
+
+        int i_size = sizeof(VIDEOINFOHEADER) + p_dec->fmt_in.i_extra;
+        p_vih = malloc( i_size );
+
+        memset( p_vih, 0, sizeof(VIDEOINFOHEADER) );
+        if( p_dec->fmt_in.i_extra )
+            memcpy( &p_vih[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
+
+        p_bih = &p_vih->bmiHeader;
+        p_bih->biCompression = dmo_partial_type.subtype.Data1;
+        p_bih->biWidth = p_dec->fmt_in.video.i_width;
+        p_bih->biHeight = p_dec->fmt_in.video.i_height;
+        p_bih->biBitCount = p_dec->fmt_in.video.i_bits_per_pixel;
+        p_bih->biPlanes = 1;
+        p_bih->biSize = i_size - sizeof(VIDEOINFOHEADER) +
+            sizeof(BITMAPINFOHEADER);
+
+        p_vih->rcSource.left = p_vih->rcSource.top = 0;
+        p_vih->rcSource.right = p_dec->fmt_in.video.i_width;
+        p_vih->rcSource.bottom = p_dec->fmt_in.video.i_height;
+        p_vih->rcTarget = p_vih->rcSource;
+
+        dmo_input_type.formattype = MEDIASUBTYPE_VideoInfo;
+        dmo_input_type.bFixedSizeSamples = 0;
+        dmo_input_type.bTemporalCompression = 1;
+        dmo_input_type.cbFormat = i_size;
+        dmo_input_type.pbFormat = (char *)p_vih;
+    }
+
+    if( p_dmo->vt->SetInputType( p_dmo, 0, &dmo_input_type, 0 ) )
+    {
+        msg_Err( p_dec, "can't set DMO input type" );
+        goto error;
+    }
+    msg_Dbg( p_dec, "DMO input type set" );
+
+    /* Setup output format */
+    memset( &dmo_output_type, 0, sizeof(dmo_output_type) );
+    dmo_output_type.majortype = dmo_partial_type.type;
+    dmo_output_type.pUnk = 0;
+
+    if( p_dec->fmt_in.i_cat == AUDIO_ES )
+    {
+        /* Setup the format */
+        p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
+        p_dec->fmt_out.audio.i_rate     = p_dec->fmt_in.audio.i_rate;
+        p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
+        p_dec->fmt_out.audio.i_bitspersample =
+            p_dec->fmt_in.audio.i_bitspersample;
+        p_dec->fmt_out.audio.i_physical_channels =
+            p_dec->fmt_out.audio.i_original_channels =
+                pi_channels_maps[p_dec->fmt_out.audio.i_channels];
+
+        p_wf->wFormatTag = WAVE_FORMAT_PCM;
+        p_wf->nSamplesPerSec = p_dec->fmt_out.audio.i_rate;
+        p_wf->nChannels = p_dec->fmt_out.audio.i_channels;
+        p_wf->wBitsPerSample = p_dec->fmt_out.audio.i_bitspersample;
+        p_wf->nBlockAlign =
+            p_wf->wBitsPerSample / 8 * p_wf->nChannels;
+        p_wf->nAvgBytesPerSec =
+            p_wf->nSamplesPerSec * p_wf->nBlockAlign;
+        p_wf->cbSize = sizeof(WAVEFORMATEX);
+
+        dmo_output_type.formattype = FORMAT_WaveFormatEx;
+        dmo_output_type.subtype    = MEDIASUBTYPE_PCM;
+        dmo_output_type.cbFormat   = sizeof(WAVEFORMATEX);
+        dmo_output_type.pbFormat   = (char *)p_wf;
+        dmo_output_type.bFixedSizeSamples = 1;
+        dmo_output_type.bTemporalCompression = 0;
+        dmo_output_type.lSampleSize = p_wf->nBlockAlign;
+        dmo_output_type.pUnk = NULL;
+    }
+    else
+    {
+        BITMAPINFOHEADER *p_bih;
+
+        p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
+        p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
+        p_dec->fmt_out.video.i_height = p_dec->fmt_in.video.i_height;
+        p_dec->fmt_out.video.i_bits_per_pixel = 12;
+        p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR *
+            p_dec->fmt_out.video.i_width / p_dec->fmt_out.video.i_height;
+
+        dmo_output_type.formattype = MEDIASUBTYPE_VideoInfo;
+        dmo_output_type.subtype = MEDIASUBTYPE_YV12;
+
+        p_bih = &p_vih->bmiHeader;
+        p_bih->biCompression = dmo_partial_type.subtype.Data1;
+        p_bih->biHeight *= -1;
+        p_bih->biBitCount = p_dec->fmt_out.video.i_bits_per_pixel;
+        p_bih->biSizeImage = p_dec->fmt_in.video.i_width *
+            p_dec->fmt_in.video.i_height *
+            (p_dec->fmt_in.video.i_bits_per_pixel + 7) / 8;
+
+        //p_bih->biPlanes = 1;
+        p_bih->biSize = sizeof(BITMAPINFOHEADER);
+
+        dmo_output_type.bFixedSizeSamples = VLC_TRUE;
+        dmo_output_type.bTemporalCompression = 0;
+        dmo_output_type.lSampleSize = p_bih->biSizeImage;
+        dmo_output_type.cbFormat = sizeof(VIDEOINFOHEADER);
+        dmo_output_type.pbFormat = (char *)p_vih;
+    }
+
+    /* Enumerate output types */
+    if( p_dec->fmt_in.i_cat == VIDEO_ES )
+    {
+        int i = 0;
+        DMO_MEDIA_TYPE mt;
+
+        while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
+        {
+            msg_Dbg( p_dec, "available output chroma: %4.4s",
+                     (char *)&mt.subtype.Data1 );
+        }
+    }
+
+    /* Choose an output type.
+     * FIXME, get rid of the dmo_output_type code above. */
+    if( p_dec->fmt_in.i_cat == VIDEO_ES )
+    {
+        int i = 0;
+        DMO_MEDIA_TYPE mt;
+
+        while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
+        {
+            if( dmo_output_type.subtype.Data1 == mt.subtype.Data1 )
+            {
+                *p_vih = *(VIDEOINFOHEADER *)mt.pbFormat;
+                break;
+            }
+        }
+    }
+
+    if( p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_output_type, 0 ) )
+    {
+        msg_Err( p_dec, "can't set DMO output type" );
+        goto error;
+    }
+    msg_Dbg( p_dec, "DMO output type set" );
+
+    /* Allocate the memory needed to store the decoder's structure */
+    if( ( p_dec->p_sys = p_sys =
+          (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
+    {
+        msg_Err( p_dec, "out of memory" );
+        goto error;
+    }
+
+    p_sys->hmsdmo_dll = hmsdmo_dll;
+    p_sys->p_dmo = p_dmo;
+
+    /* Find out some properties of the output */
+    {
+        uint32_t i_size, i_align;
+
+        p_sys->i_min_output = 0;
+        if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
+        {
+            msg_Err( p_dec, "GetOutputSizeInfo() failed" );
+            goto error;
+        }
+        else
+        {
+            msg_Dbg( p_dec, "GetOutputSizeInfo(): bytes %i, align %i",
+                     i_size, i_align );
+            p_sys->i_min_output = i_size;
+        }
+    }
+
+    /* Set output properties */
+    p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
+    if( p_dec->fmt_out.i_cat == AUDIO_ES )
+        aout_DateInit( &p_sys->end_date, p_dec->fmt_in.audio.i_rate );
+    else
+        aout_DateInit( &p_sys->end_date, 25 /* FIXME */ );
+    aout_DateSet( &p_sys->end_date, 0 );
+
+    /* Set callbacks */
+    p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
+        DecodeBlock;
+    p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
+        DecodeBlock;
+
+    if( p_vih ) free( p_vih );
+    if( p_wf ) free( p_wf );
+
+    return VLC_SUCCESS;
+
+ error:
+    /* Uninitialize OLE/COM */
+    CoUninitialize();
+    FreeLibrary( hmsdmo_dll );
+
+    if( p_vih ) free( p_vih );
+    if( p_wf )  free( p_wf );
+    if( p_sys ) free( p_sys );
+
+    return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * DecoderClose: close codec
+ *****************************************************************************/
+void DecoderClose( vlc_object_t *p_this )
+{
+    decoder_t *p_dec = (decoder_t*)p_this;
+    decoder_sys_t *p_sys = p_dec->p_sys;
+
+    /* Uninitialize OLE/COM */
+    CoUninitialize();
+
+    FreeLibrary( p_sys->hmsdmo_dll );
+
+    free( p_sys );
+}
+
+/****************************************************************************
+ * DecodeBlock: the whole thing
+ ****************************************************************************
+ * This function must be fed with ogg packets.
+ ****************************************************************************/
+static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
+{
+    decoder_sys_t *p_sys = p_dec->p_sys;
+    block_t *p_block;
+    int i_result;
+
+    DMO_OUTPUT_DATA_BUFFER db;
+    CMediaBuffer *p_out;
+    block_t block_out;
+    uint32_t i_status, i_buffer_out;
+    uint8_t *p_buffer_out;
+
+    if( !pp_block ) return NULL;
+
+    p_block = *pp_block;
+
+    /* Won't work with streams with B-frames, but do we have any ? */
+    if( p_block && p_block->i_pts <= 0 ) p_block->i_pts = p_block->i_dts;
+
+    /* Date management */
+    if( p_block && p_block->i_pts > 0 &&
+        p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
+    {
+        aout_DateSet( &p_sys->end_date, p_block->i_pts );
+    }
+
+#if 0 /* Breaks the video decoding */
+    if( !aout_DateGet( &p_sys->end_date ) )
+    {
+        /* We've just started the stream, wait for the first PTS. */
+        if( p_block ) block_Release( p_block );
+        return NULL;
+    }
+#endif
+
+    /* Feed input to the DMO */
+    if( p_block && p_block->i_buffer )
+    {
+        CMediaBuffer *p_in;
+
+        p_in = CMediaBufferCreate( p_block, p_block->i_buffer, VLC_TRUE );
+
+        i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
+                       (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFER_SYNCPOINT,
+                       0, 0 );
+
+        p_in->vt->Release( (IUnknown *)p_in );
+
+        if( i_result == S_FALSE )
+        {
+            /* No output generated */
+#ifdef DMO_DEBUG
+            msg_Dbg( p_dec, "ProcessInput(): no output generated" );
+#endif
+            return NULL;
+        }
+        else if( i_result == DMO_E_NOTACCEPTING )
+        {
+            /* Need to call ProcessOutput */
+            msg_Dbg( p_dec, "ProcessInput(): not accepting" );
+        }
+        else if( i_result != S_OK )
+        {
+            msg_Dbg( p_dec, "ProcessInput(): failed" );
+            return NULL;
+        }
+        else
+        {
+            //msg_Dbg( p_dec, "ProcessInput(): successful" );
+            *pp_block = 0;
+        }
+    }
+    else if( p_block && !p_block->i_buffer )
+    {
+        block_Release( p_block );
+        *pp_block = 0;
+    }
+
+    /* Get output from the DMO */
+    block_out.p_buffer = malloc( p_sys->i_min_output );
+    block_out.i_buffer = 0;
+
+    p_out = CMediaBufferCreate( &block_out, p_sys->i_min_output, VLC_FALSE );
+    db.rtTimestamp = 0;
+    db.rtTimelength = 0;
+    db.dwStatus = 0;
+    db.pBuffer = (IMediaBuffer *)p_out;
+
+    i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
+                   DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
+                   1, &db, &i_status );
+
+    if( i_result != S_OK )
+    {
+        if( i_result != S_FALSE )
+            msg_Dbg( p_dec, "ProcessOutput(): failed" );
+#if DMO_DEBUG
+        else
+            msg_Dbg( p_dec, "ProcessOutput(): no output" );
+#endif
+
+        p_out->vt->Release( (IUnknown *)p_out );
+        free( block_out.p_buffer );
+        return NULL;
+    }
+
+#if DMO_DEBUG
+    msg_Dbg( p_dec, "ProcessOutput(): success" );
+#endif
+
+    i_result = p_out->vt->GetBufferAndLength( (IMediaBuffer *)p_out,
+                                              &p_buffer_out, &i_buffer_out );
+    if( i_result != S_OK )
+    {
+        msg_Dbg( p_dec, "GetBufferAndLength(): failed" );
+        p_out->vt->Release( (IUnknown *)p_out );
+        free( block_out.p_buffer );
+        return NULL;
+    }
+
+    if( !i_buffer_out )
+    {
+#if DMO_DEBUG
+        msg_Dbg( p_dec, "ProcessOutput(): no output (i_buffer_out == 0)" );
+#endif
+        p_out->vt->Release( (IUnknown *)p_out );
+        free( block_out.p_buffer );
+        return NULL;
+    }
+
+    if( p_dec->fmt_out.i_cat == VIDEO_ES )
+    {
+        /* Get a new picture */
+        picture_t *p_pic = p_dec->pf_vout_buffer_new( p_dec );
+        if( !p_pic ) return NULL;
+
+        CopyPicture( p_dec, p_pic, block_out.p_buffer );
+
+        /* Date management */
+        p_pic->date = aout_DateGet( &p_sys->end_date );
+        aout_DateIncrement( &p_sys->end_date, 1 );
+
+        p_out->vt->Release( (IUnknown *)p_out );
+        free( block_out.p_buffer );
+
+        return p_pic;
+    }
+    else
+    {
+        aout_buffer_t *p_aout_buffer;
+        int i_samples = i_buffer_out /
+            ( p_dec->fmt_in.audio.i_bitspersample *
+              p_dec->fmt_in.audio.i_channels / 8 );
+
+        p_aout_buffer = p_dec->pf_aout_buffer_new( p_dec, i_samples );
+        memcpy( p_aout_buffer->p_buffer, p_buffer_out, i_buffer_out );
+
+        /* Date management */
+        p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
+        p_aout_buffer->end_date =
+            aout_DateIncrement( &p_sys->end_date, i_samples );
+
+        p_out->vt->Release( (IUnknown *)p_out );
+        free( block_out.p_buffer );
+
+        return p_aout_buffer;
+    }
+
+    return NULL;
+}
+
+static void CopyPicture( decoder_t *p_dec, picture_t *p_pic, uint8_t *p_in )
+{
+    int i_plane, i_line, i_width, i_dst_stride;
+    uint8_t *p_dst, *p_src = p_in;
+
+    p_dst = p_pic->p[1].p_pixels;
+    p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
+    p_pic->p[2].p_pixels = p_dst;
+
+    for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
+    {
+        p_dst = p_pic->p[i_plane].p_pixels;
+        i_width = p_pic->p[i_plane].i_visible_pitch;
+        i_dst_stride  = p_pic->p[i_plane].i_pitch;
+
+        p_src += i_width;
+
+        for( i_line = 0; i_line < p_pic->p[i_plane].i_lines; i_line++ )
+        {
+            p_dec->p_vlc->pf_memcpy( p_dst, p_src, i_width );
+            p_src += i_width;
+            p_dst += i_dst_stride;
+        }
+    }
+
+    p_dst = p_pic->p[1].p_pixels;
+    p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
+    p_pic->p[2].p_pixels = p_dst;
+}

modules/codec/dmo/dmo.h

+/*****************************************************************************
+ * dmo.h : DirectMedia Object codec module for vlc
+ *****************************************************************************
+ * Copyright (C) 2002, 2003 VideoLAN
+ * $Id$
+ *
+ * Author: Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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.
+ *****************************************************************************/
+
+static const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
+static const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}};
+static const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}};
+static const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID MEDIASUBTYPE_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
+static const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
+static const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
+static const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+
+#ifdef WIN32
+#   define IUnknown IUnknownHack
+#endif
+typedef struct _IUnknown IUnknown;
+typedef struct _IEnumDMO IEnumDMO;
+typedef struct _IMediaBuffer IMediaBuffer;
+typedef struct _IMediaObject IMediaObject;
+#ifndef STDCALL
+#define STDCALL __stdcall
+#endif
+
+#define DMO_INPUT_DATA_BUFFER_SYNCPOINT 1
+#define DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER 1
+#define DMO_E_NOTACCEPTING 0x80040204
+
+/*
+ * DMO types definition
+ */
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+    __attribute__((__packed__))
+#endif
+ _DMO_PARTIAL_MEDIATYPE
+{
+    GUID type;
+    GUID subtype;
+
+} DMO_PARTIAL_MEDIATYPE;
+
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+    __attribute__((__packed__))
+#endif
+ _DMO_OUTPUT_DATA_BUFFER
+{
+    IMediaBuffer *pBuffer;
+    uint32_t dwStatus;
+    REFERENCE_TIME rtTimestamp;
+    REFERENCE_TIME rtTimelength;
+
+} DMO_OUTPUT_DATA_BUFFER;
+
+typedef struct
+#ifdef HAVE_ATTRIBUTE_PACKED
+    __attribute__((__packed__))
+#endif
+ _DMOMediaType
+{
+    GUID     majortype;
+    GUID     subtype;
+    int      bFixedSizeSamples;
+    int      bTemporalCompression;
+    uint32_t lSampleSize;
+    GUID     formattype;
+    IUnknown *pUnk;
+    uint32_t cbFormat;
+    char     *pbFormat;
+
+} DMO_MEDIA_TYPE;
+
+/*
+ * IUnknown interface
+ */
+typedef struct IUnknown_vt
+{
+    /* IUnknown methods */
+    long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
+                                   void **ppvObject);
+    long (STDCALL *AddRef)(IUnknown *This);
+    long (STDCALL *Release)(IUnknown *This);
+
+} IUnknown_vt;
+struct _IUnknown { IUnknown_vt* vt; };
+
+/*
+ * IEnumDMO interface
+ */
+typedef struct IEnumDMO_vt
+{
+    /* IUnknown methods */
+    long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
+                                   void **ppvObject);
+    long (STDCALL *AddRef)(IUnknown *This);
+    long (STDCALL *Release)(IUnknown *This);
+
+    /* IEnumDMO methods */
+    long (STDCALL *Next)(IEnumDMO *This, uint32_t cItemsToFetch,
+                         const GUID *pCLSID, WCHAR **Names,
+                         uint32_t *pcItemsFetched);
+    long (STDCALL *Skip)(IEnumDMO *This, uint32_t cItemsToSkip);
+    long (STDCALL *Reset)(IEnumDMO *This);
+    long (STDCALL *Clone)(IEnumDMO *This, IEnumDMO **ppEnum);
+
+} IEnumDMO_vt;
+struct _IEnumDMO { IEnumDMO_vt* vt; };
+
+/*
+ * IMediaBuffer interface
+ */
+typedef struct IMediaBuffer_vt
+{
+    /* IUnknown methods */
+    long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
+                                   void **ppvObject);
+    long (STDCALL *AddRef)(IUnknown *This);
+    long (STDCALL *Release)(IUnknown *This);
+
+    long (STDCALL *SetLength)(IMediaBuffer* This, uint32_t cbLength);
+    long (STDCALL *GetMaxLength)(IMediaBuffer* This, uint32_t *pcbMaxLength);
+    long (STDCALL *GetBufferAndLength)(IMediaBuffer* This,
+                                       char** ppBuffer, uint32_t* pcbLength);
+
+} IMediaBuffer_vt;
+struct _IMediaBuffer { IMediaBuffer_vt* vt; };
+
+/*
+ * IMediaObject interface
+ */
+typedef struct IMediaObject_vt
+{
+    /* IUnknown methods */
+    long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
+                                   void **ppvObject);
+    long (STDCALL *AddRef)(IUnknown *This);
+    long (STDCALL *Release)(IUnknown *This);
+
+    /* IEnumDMO methods */
+    long (STDCALL *GetStreamCount)(IMediaObject *This,
+                                   uint32_t *pcInputStreams,
+                                   uint32_t *pcOutputStreams);
+    long (STDCALL *GetInputStreamInfo)(IMediaObject *This,
+                                       uint32_t dwInputStreamIndex,
+                                       uint32_t *pdwFlags);
+    long (STDCALL *GetOutputStreamInfo)(IMediaObject *This,
+                                        uint32_t dwOutputStreamIndex,
+                                        uint32_t *pdwFlags);
+    long (STDCALL *GetInputType)(IMediaObject *This,
+                                 uint32_t dwInputStreamIndex,
+                                 uint32_t dwTypeIndex,
+                                 DMO_MEDIA_TYPE *pmt);
+    long (STDCALL *GetOutputType)(IMediaObject *This,
+                                  uint32_t dwOutputStreamIndex,
+                                  uint32_t dwTypeIndex,
+                                  DMO_MEDIA_TYPE *pmt);
+    long (STDCALL *SetInputType)(IMediaObject *This,
+                                 uint32_t dwInputStreamIndex,
+                                 const DMO_MEDIA_TYPE *pmt,
+                                 uint32_t dwFlags);
+    long (STDCALL *SetOutputType)(IMediaObject *This,
+                                  uint32_t dwOutputStreamIndex,
+                                  const DMO_MEDIA_TYPE *pmt,
+                                  uint32_t dwFlags);
+    long (STDCALL *GetInputCurrentType)(IMediaObject *This,
+                                        uint32_t dwInputStreamIndex,
+                                        DMO_MEDIA_TYPE *pmt);
+    long (STDCALL *GetOutputCurrentType)(IMediaObject *This,
+                                         uint32_t dwOutputStreamIndex,
+                                         DMO_MEDIA_TYPE *pmt);
+    long (STDCALL *GetInputSizeInfo)(IMediaObject *This,
+                                     uint32_t dwInputStreamIndex,
+                                     uint32_t *pcbSize,
+                                     uint32_t *pcbMaxLookahead,
+                                     uint32_t *pcbAlignment);
+    long (STDCALL *GetOutputSizeInfo)(IMediaObject *This,
+                                      uint32_t dwOutputStreamIndex,
+                                      uint32_t *pcbSize,
+                                      uint32_t *pcbAlignment);
+    long (STDCALL *GetInputMaxLatency)(IMediaObject *This,
+                                       uint32_t dwInputStreamIndex,
+                                       REFERENCE_TIME *prtMaxLatency);
+    long (STDCALL *SetInputMaxLatency)(IMediaObject *This,
+                                       uint32_t dwInputStreamIndex,
+                                       REFERENCE_TIME rtMaxLatency);
+    long (STDCALL *Flush)(IMediaObject * This);
+    long (STDCALL *Discontinuity)(IMediaObject *This,
+                                  uint32_t dwInputStreamIndex);
+    long (STDCALL *AllocateStreamingResources)(IMediaObject * This);
+    long (STDCALL *FreeStreamingResources)(IMediaObject * This);
+    long (STDCALL *GetInputStatus)(IMediaObject *This,
+                                   uint32_t dwInputStreamIndex,
+                                   uint32_t *dwFlags);
+    long (STDCALL *ProcessInput)(IMediaObject *This,
+                                 uint32_t dwInputStreamIndex,
+                                 IMediaBuffer *pBuffer,
+                                 uint32_t dwFlags,
+                                 REFERENCE_TIME rtTimestamp,
+                                 REFERENCE_TIME rtTimelength);
+    long (STDCALL *ProcessOutput)(IMediaObject *This,
+                                  uint32_t dwFlags,
+                                  uint32_t cOutputBufferCount,
+                                  DMO_OUTPUT_DATA_BUFFER *pOutputBuffers,
+                                  uint32_t *pdwStatus);
+    long (STDCALL *Lock)(IMediaObject *This, long bLock);
+
+} IMediaObject_vt;
+struct _IMediaObject { IMediaObject_vt* vt; };
+
+/* Implementation of IMediaBuffer */
+typedef struct _CMediaBuffer
+{
+    IMediaBuffer_vt *vt;
+    int i_ref;
+    block_t *p_block;
+    int i_max_size;
+    vlc_bool_t b_own;
+
+} CMediaBuffer;
+
+CMediaBuffer *CMediaBufferCreate( block_t *, int, vlc_bool_t );