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vlc-2-2
Commit 1e277ab6 authored by Damien Fouilleul's avatar Damien Fouilleul
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- ordered device supported media types using an arbitrary fourcc preference... 

- ordered device supported media types using an arbitrary fourcc preference priority before passing them to capture filter 
- removed assumption where YUY2 chroma was considered identical to UYVY
parent 62fb058c
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Showing with 314 additions and 370 deletions
modules/access/dshow/dshow.cpp
View file @ 1e277ab6
...@@ -43,8 +43,8 @@ static ssize_t ReadCompressed( input_thread_t *, byte_t *, size_t ); ...@@ -43,8 +43,8 @@ static ssize_t ReadCompressed( input_thread_t *, byte_t *, size_t );
static int OpenDevice( input_thread_t *, string, vlc_bool_t ); static int OpenDevice( input_thread_t *, string, vlc_bool_t );
static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *, static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
list<string> *, vlc_bool_t ); list<string> *, vlc_bool_t );
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *, IBaseFilter *, static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
int, int, int, int, int, int ); int, int, int, int, int, int, AM_MEDIA_TYPE *mt, size_t mt_max);
static bool ConnectFilters( vlc_object_t *, IBaseFilter *, CaptureFilter * ); static bool ConnectFilters( vlc_object_t *, IBaseFilter *, CaptureFilter * );
static int FindDevicesCallback( vlc_object_t *, char const *, static int FindDevicesCallback( vlc_object_t *, char const *,
...@@ -811,6 +811,42 @@ static bool ConnectFilters( vlc_object_t *p_this, IBaseFilter *p_filter, ...@@ -811,6 +811,42 @@ static bool ConnectFilters( vlc_object_t *p_this, IBaseFilter *p_filter,
} }
} }
/*
** get fourcc priority from arbritary preference, the higher the better
*/
static int GetFourCCPriority(int i_fourcc)
{
switch( i_fourcc )
{
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('a','r','a','w'):
{
return 9;
}
case VLC_FOURCC('Y','V','1','2'):
{
return 8;
}
case VLC_FOURCC('R','V','2','4'):
{
return 7;
}
case VLC_FOURCC('Y','U','Y','2'):
case VLC_FOURCC('R','V','3','2'):
case VLC_FOURCC('R','G','B','A'):
case VLC_FOURCC('f','l','3','2'):
{
return 6;
}
}
return 0;
}
#define MAX_MEDIA_TYPES 32
static int OpenDevice( input_thread_t *p_input, string devicename, static int OpenDevice( input_thread_t *p_input, string devicename,
vlc_bool_t b_audio ) vlc_bool_t b_audio )
{ {
...@@ -853,17 +889,51 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -853,17 +889,51 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
msg_Dbg( p_input, "using device: %s", devicename.c_str() ); msg_Dbg( p_input, "using device: %s", devicename.c_str() );
else else
{ {
msg_Err( p_input, "can't use device: %s", devicename.c_str() ); msg_Err( p_input, "can't use device: %s, unsupported device type", devicename.c_str() );
return VLC_EGENERIC; return VLC_EGENERIC;
} }
AM_MEDIA_TYPE media_type = AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
EnumDeviceCaps( (vlc_object_t *)p_input, p_device_filter,
size_t mt_count = EnumDeviceCaps( (vlc_object_t *)p_input, p_device_filter,
p_sys->i_chroma, p_sys->i_width, p_sys->i_height, p_sys->i_chroma, p_sys->i_width, p_sys->i_height,
0, 0, 0 ); 0, 0, 0, media_types, MAX_MEDIA_TYPES );
if( 0 == mt_count )
{
msg_Err( p_input, "can't use device: %s, unsupported media types", devicename.c_str() );
return VLC_EGENERIC;
}
AM_MEDIA_TYPE *mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
//order and copy returned media types according to arbitrary fourcc priority
for( size_t c=0; c<mt_count; c++ )
{
int slot_priority = GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
int slot_copy = c;
for( size_t d=c+1; d<mt_count; d++ )
{
int priority = GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
if( priority > slot_priority )
{
slot_priority = priority;
slot_copy = d;
}
}
if( slot_copy != c )
{
mt[c] = media_types[slot_copy];
media_types[slot_copy] = media_types[c];
}
else
{
mt[c] = media_types[c];
}
}
/* Create and add our capture filter */ /* Create and add our capture filter */
CaptureFilter *p_capture_filter = new CaptureFilter( p_input, media_type ); CaptureFilter *p_capture_filter = new CaptureFilter( p_input, mt, mt_count );
p_sys->p_graph->AddFilter( p_capture_filter, 0 ); p_sys->p_graph->AddFilter( p_capture_filter, 0 );
/* Add the device filter to the graph (seems necessary with VfW before /* Add the device filter to the graph (seems necessary with VfW before
...@@ -892,73 +962,19 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -892,73 +962,19 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
{ {
PropertiesPage( VLC_OBJECT(p_input), p_device_filter, PropertiesPage( VLC_OBJECT(p_input), p_device_filter,
p_sys->p_capture_graph_builder2, p_sys->p_capture_graph_builder2,
dshow_stream.mt.majortype == MEDIATYPE_Audio || dshow_stream.mt.majortype == MEDIATYPE_Audio );
dshow_stream.mt.formattype == FORMAT_WaveFormatEx);
} }
dshow_stream.mt = dshow_stream.mt =
p_capture_filter->CustomGetPin()->CustomGetMediaType(); p_capture_filter->CustomGetPin()->CustomGetMediaType();
dshow_stream.i_fourcc = GetFourCCFromMediaType(dshow_stream.mt);
if( 0 != dshow_stream.i_fourcc )
{
if( dshow_stream.mt.majortype == MEDIATYPE_Video ) if( dshow_stream.mt.majortype == MEDIATYPE_Video )
{ {
msg_Dbg( p_input, "MEDIATYPE_Video"); msg_Dbg( p_input, "MEDIATYPE_Video");
/* Packed RGB formats */
if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB1 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB4 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB8 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB555 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB565 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB24 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB32 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_ARGB32 )
dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
/* Packed YUV formats */
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVYU )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YUYV )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', 'V' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y411 )
dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y211 )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YUY2 ||
dshow_stream.mt.subtype == MEDIASUBTYPE_UYVY )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
/* Planar YUV formats */
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_I420 )
dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y41P )
dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YV12 ||
dshow_stream.mt.subtype == MEDIASUBTYPE_IYUV )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVU9 )
dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
/* DV formats */
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvsl )
dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvsd )
dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvhd )
dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
/* MPEG video formats */
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
dshow_stream.i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
else goto fail;
dshow_stream.header.video = dshow_stream.header.video =
*(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat; *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
...@@ -1021,17 +1037,10 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -1021,17 +1037,10 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
p_input->i_mtu = __MAX( p_input->i_mtu, (unsigned int)i_mtu ); p_input->i_mtu = __MAX( p_input->i_mtu, (unsigned int)i_mtu );
} }
else if( dshow_stream.mt.majortype == MEDIATYPE_Audio && else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
dshow_stream.mt.formattype == FORMAT_WaveFormatEx )
{ {
msg_Dbg( p_input, "MEDIATYPE_Audio"); msg_Dbg( p_input, "MEDIATYPE_Audio");
if( dshow_stream.mt.subtype == MEDIASUBTYPE_PCM )
dshow_stream.i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_IEEE_FLOAT )
dshow_stream.i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
else goto fail;
dshow_stream.header.audio = dshow_stream.header.audio =
*(WAVEFORMATEX *)dshow_stream.mt.pbFormat; *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
...@@ -1080,11 +1089,6 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -1080,11 +1089,6 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
{ {
msg_Dbg( p_input, "MEDIATYPE_Stream" ); msg_Dbg( p_input, "MEDIATYPE_Stream" );
if( dshow_stream.mt.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
dshow_stream.i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
else if( dshow_stream.mt.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
dshow_stream.i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
msg_Dbg( p_input, "selected stream pin accepts format: %4.4s", msg_Dbg( p_input, "selected stream pin accepts format: %4.4s",
(char *)&dshow_stream.i_fourcc); (char *)&dshow_stream.i_fourcc);
...@@ -1096,7 +1100,6 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -1096,7 +1100,6 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
p_input->pf_read = ReadCompressed; p_input->pf_read = ReadCompressed;
p_input->pf_set_program = input_SetProgram; p_input->pf_set_program = input_SetProgram;
} }
else else
{ {
msg_Dbg( p_input, "unknown stream majortype" ); msg_Dbg( p_input, "unknown stream majortype" );
...@@ -1117,6 +1120,7 @@ static int OpenDevice( input_thread_t *p_input, string devicename, ...@@ -1117,6 +1120,7 @@ static int OpenDevice( input_thread_t *p_input, string devicename,
return VLC_SUCCESS; return VLC_SUCCESS;
} }
}
fail: fail:
/* Remove filters from graph */ /* Remove filters from graph */
...@@ -1228,27 +1232,18 @@ FindCaptureDevice( vlc_object_t *p_this, string *p_devicename, ...@@ -1228,27 +1232,18 @@ FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
return NULL; return NULL;
} }
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, static size_t EnumDeviceCaps( vlc_object_t *p_this,
IBaseFilter *p_filter, IBaseFilter *p_filter,
int i_fourcc, int i_width, int i_height, int i_fourcc, int i_width, int i_height,
int i_channels, int i_samplespersec, int i_channels, int i_samplespersec,
int i_bitspersample ) int i_bitspersample, AM_MEDIA_TYPE *mt, size_t mt_max )
{ {
IEnumPins *p_enumpins; IEnumPins *p_enumpins;
IPin *p_output_pin; IPin *p_output_pin;
IEnumMediaTypes *p_enummt; IEnumMediaTypes *p_enummt;
int i_orig_fourcc = i_fourcc; size_t mt_count = 0;
vlc_bool_t b_found = VLC_FALSE;
AM_MEDIA_TYPE media_type;
media_type.majortype = GUID_NULL;
media_type.subtype = GUID_NULL;
media_type.formattype = GUID_NULL;
media_type.pUnk = NULL;
media_type.cbFormat = 0;
media_type.pbFormat = NULL;
if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return media_type; if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return 0;
while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) ) while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
{ {
...@@ -1266,7 +1261,7 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1266,7 +1261,7 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
} }
p_enumpins->Reset(); p_enumpins->Reset();
while( !b_found && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK ) while( (0 == mt_count) && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
{ {
PIN_INFO info; PIN_INFO info;
...@@ -1287,52 +1282,11 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1287,52 +1282,11 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
AM_MEDIA_TYPE *p_mt; AM_MEDIA_TYPE *p_mt;
while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK ) while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
{ {
int i_current_fourcc = GetFourCCFromMediaType(*p_mt);
if( 0 != i_current_fourcc )
{
if( p_mt->majortype == MEDIATYPE_Video ) if( p_mt->majortype == MEDIATYPE_Video )
{ {
int i_current_fourcc = VLC_FOURCC(' ', ' ', ' ', ' ');
/* Packed RGB formats */
if( p_mt->subtype == MEDIASUBTYPE_RGB1 )
i_current_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
if( p_mt->subtype == MEDIASUBTYPE_RGB4 )
i_current_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
if( p_mt->subtype == MEDIASUBTYPE_RGB8 )
i_current_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
else if( p_mt->subtype == MEDIASUBTYPE_RGB555 )
i_current_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
else if( p_mt->subtype == MEDIASUBTYPE_RGB565 )
i_current_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
else if( p_mt->subtype == MEDIASUBTYPE_RGB24 )
i_current_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
else if( p_mt->subtype == MEDIASUBTYPE_RGB32 )
i_current_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
else if( p_mt->subtype == MEDIASUBTYPE_ARGB32 )
i_current_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
/* Packed YUV formats */
else if( p_mt->subtype == MEDIASUBTYPE_YVYU )
i_current_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
else if( p_mt->subtype == MEDIASUBTYPE_YUYV )
i_current_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', 'V' );
else if( p_mt->subtype == MEDIASUBTYPE_Y411 )
i_current_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
else if( p_mt->subtype == MEDIASUBTYPE_Y211 )
i_current_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
else if( p_mt->subtype == MEDIASUBTYPE_YUY2 ||
p_mt->subtype == MEDIASUBTYPE_UYVY )
i_current_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
/* MPEG2 video elementary stream */
else if( p_mt->subtype == MEDIASUBTYPE_MPEG2_VIDEO )
i_current_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
/* hauppauge pvr video preview */
else if( p_mt->subtype == MEDIASUBTYPE_PREVIEW_VIDEO )
i_current_fourcc = VLC_FOURCC( 'P', 'V', 'R', 'V' );
else i_current_fourcc = *((int *)&p_mt->subtype);
int i_current_width = p_mt->pbFormat ? int i_current_width = p_mt->pbFormat ?
((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth : 0; ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth : 0;
int i_current_height = p_mt->pbFormat ? int i_current_height = p_mt->pbFormat ?
...@@ -1345,18 +1299,13 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1345,18 +1299,13 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
(char *)&i_current_fourcc, i_current_width, (char *)&i_current_fourcc, i_current_width,
i_current_height ); i_current_height );
if( ( !i_fourcc || i_fourcc == i_current_fourcc || if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
( !i_orig_fourcc && i_current_fourcc ==
VLC_FOURCC('I','4','2','0') ) ) &&
( !i_width || i_width == i_current_width ) && ( !i_width || i_width == i_current_width ) &&
( !i_height || i_height == i_current_height ) ) ( !i_height || i_height == i_current_height ) &&
(mt_count < mt_max) )
{ {
/* Pick the 1st match */ /* Pick match */
media_type = *p_mt; mt[mt_count++] = *p_mt;
i_fourcc = i_current_fourcc;
i_width = i_current_width;
i_height = i_current_height;
b_found = VLC_TRUE;
} }
else else
{ {
...@@ -1365,7 +1314,6 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1365,7 +1314,6 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
} }
else if( p_mt->majortype == MEDIATYPE_Audio ) else if( p_mt->majortype == MEDIATYPE_Audio )
{ {
int i_current_fourcc;
int i_current_channels = int i_current_channels =
((WAVEFORMATEX *)p_mt->pbFormat)->nChannels; ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
int i_current_samplespersec = int i_current_samplespersec =
...@@ -1373,10 +1321,6 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1373,10 +1321,6 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
int i_current_bitspersample = int i_current_bitspersample =
((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample; ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
if( p_mt->subtype == MEDIASUBTYPE_PCM )
i_current_fourcc = VLC_FOURCC( 'p', 'c', 'm', ' ' );
else i_current_fourcc = *((int *)&p_mt->subtype);
msg_Dbg( p_this, "EnumDeviceCaps: input pin " msg_Dbg( p_this, "EnumDeviceCaps: input pin "
"accepts format: %4.4s, channels:%i, " "accepts format: %4.4s, channels:%i, "
"samples/sec:%i bits/sample:%i", "samples/sec:%i bits/sample:%i",
...@@ -1387,15 +1331,14 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1387,15 +1331,14 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
(!i_samplespersec || (!i_samplespersec ||
i_samplespersec == i_current_samplespersec) && i_samplespersec == i_current_samplespersec) &&
(!i_bitspersample || (!i_bitspersample ||
i_bitspersample == i_current_bitspersample) ) i_bitspersample == i_current_bitspersample) &&
(mt_count < mt_max) )
{ {
/* Pick the 1st match */ /* Pick match */
media_type = *p_mt; mt[mt_count++] = *p_mt;
i_channels = i_current_channels;
i_samplespersec = i_current_samplespersec;
i_bitspersample = i_current_bitspersample;
b_found = VLC_TRUE;
/* Pre-Configure the 1st match, Ugly */
if( 1 == mt_count ) {
/* Setup a few properties like the audio latency */ /* Setup a few properties like the audio latency */
IAMBufferNegotiation *p_ambuf; IAMBufferNegotiation *p_ambuf;
...@@ -1404,14 +1347,16 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1404,14 +1347,16 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
{ {
ALLOCATOR_PROPERTIES AllocProp; ALLOCATOR_PROPERTIES AllocProp;
AllocProp.cbAlign = -1; AllocProp.cbAlign = -1;
AllocProp.cbBuffer = i_channels * i_samplespersec * AllocProp.cbBuffer = i_current_channels *
i_bitspersample / 8 / 10 ; /*100 ms of latency*/ i_current_samplespersec *
i_current_bitspersample / 8 / 10 ; /*100 ms of latency*/
AllocProp.cbPrefix = -1; AllocProp.cbPrefix = -1;
AllocProp.cBuffers = -1; AllocProp.cBuffers = -1;
p_ambuf->SuggestAllocatorProperties( &AllocProp ); p_ambuf->SuggestAllocatorProperties( &AllocProp );
p_ambuf->Release(); p_ambuf->Release();
} }
} }
}
else else
{ {
FreeMediaType( *p_mt ); FreeMediaType( *p_mt );
...@@ -1421,19 +1366,12 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1421,19 +1366,12 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
{ {
msg_Dbg( p_this, "EnumDeviceCaps: MEDIATYPE_Stream" ); msg_Dbg( p_this, "EnumDeviceCaps: MEDIATYPE_Stream" );
int i_current_fourcc = VLC_FOURCC(' ', ' ', ' ', ' '); if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
(mt_count < mt_max) )
if( p_mt->subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
i_current_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
else if( p_mt->subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
i_current_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
if( ( !i_fourcc || i_fourcc == i_current_fourcc ) )
{ {
/* Pick the 1st match */ /* Pick match */
media_type = *p_mt; mt[mt_count++] = *p_mt;
i_fourcc = i_current_fourcc; i_fourcc = i_current_fourcc;
b_found = VLC_TRUE;
} }
else else
{ {
...@@ -1446,7 +1384,13 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1446,7 +1384,13 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
"EnumDeviceCaps: input pin: unknown format" ); "EnumDeviceCaps: input pin: unknown format" );
FreeMediaType( *p_mt ); FreeMediaType( *p_mt );
} }
}
else
{
msg_Dbg( p_this,
"EnumDeviceCaps: input pin: unknown format" );
FreeMediaType( *p_mt );
}
CoTaskMemFree( (PVOID)p_mt ); CoTaskMemFree( (PVOID)p_mt );
} }
p_enummt->Release(); p_enummt->Release();
...@@ -1456,7 +1400,7 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this, ...@@ -1456,7 +1400,7 @@ static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
} }
p_enumpins->Release(); p_enumpins->Release();
return media_type; return mt_count;
} }
/***************************************************************************** /*****************************************************************************
......
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