static int transcode_video_encoder_open( sout_stream_t *p_stream,
sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
msg_Dbg( p_stream, "destination (after video filters) %ix%i",
id->p_encoder->fmt_in.video.i_width,
id->p_encoder->fmt_in.video.i_height );
id->p_encoder->p_module =
module_need( id->p_encoder, "encoder", p_sys->psz_venc, true );
if( !id->p_encoder->p_module )
{
msg_Err( p_stream, "cannot find video encoder (module:%s fourcc:%4.4s)",
p_sys->psz_venc ? p_sys->psz_venc : "any",
(char *)&p_sys->i_vcodec );
return VLC_EGENERIC;
}
id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
/* */
id->p_encoder->fmt_out.i_codec =
vlc_fourcc_GetCodec( VIDEO_ES, id->p_encoder->fmt_out.i_codec );
id->id = sout_StreamIdAdd( p_stream->p_next, &id->p_encoder->fmt_out );
if( !id->id )
{
msg_Err( p_stream, "cannot add this stream" );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
vlc_fourcc_t vlc_fourcc_GetCodecFromString( int i_cat, const char *psz_fourcc )
{
if( !psz_fourcc || strlen(psz_fourcc) != 4 )
return 0;
return vlc_fourcc_GetCodec( i_cat,
VLC_FOURCC( psz_fourcc[0], psz_fourcc[1],
psz_fourcc[2], psz_fourcc[3] ) );
}
static const char *GetOmxAudioEncRole( vlc_fourcc_t i_fourcc )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( AUDIO_ES, i_fourcc );
for( i = 0; audio_enc_format_table[i].i_codec != 0; i++ )
if( audio_enc_format_table[i].i_fourcc == i_fourcc ) break;
return audio_enc_format_table[i].psz_role;
}
static const char *GetOmxVideoEncRole( vlc_fourcc_t i_fourcc )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( VIDEO_ES, i_fourcc );
for( i = 0; video_enc_format_table[i].i_codec != 0; i++ )
if( video_enc_format_table[i].i_fourcc == i_fourcc ) break;
return video_enc_format_table[i].psz_role;
}
bool es_format_IsSimilar( const es_format_t *p_fmt1, const es_format_t *p_fmt2 )
{
if( p_fmt1->i_cat != p_fmt2->i_cat ||
vlc_fourcc_GetCodec( p_fmt1->i_cat, p_fmt1->i_codec ) !=
vlc_fourcc_GetCodec( p_fmt2->i_cat, p_fmt2->i_codec ) )
return false;
switch( p_fmt1->i_cat )
{
case AUDIO_ES:
{
audio_format_t a1 = p_fmt1->audio;
audio_format_t a2 = p_fmt2->audio;
if( a1.i_format && a2.i_format && a1.i_format != a2.i_format )
return false;
if( a1.i_rate != a2.i_rate ||
a1.i_physical_channels != a2.i_physical_channels ||
a1.i_original_channels != a2.i_original_channels )
return false;
return true;
}
case VIDEO_ES:
{
video_format_t v1 = p_fmt1->video;
video_format_t v2 = p_fmt2->video;
if( !v1.i_chroma )
v1.i_chroma = vlc_fourcc_GetCodec( p_fmt1->i_cat, p_fmt1->i_codec );
if( !v2.i_chroma )
v2.i_chroma = vlc_fourcc_GetCodec( p_fmt1->i_cat, p_fmt2->i_codec );
return video_format_IsSimilar( &p_fmt1->video, &p_fmt2->video );
}
case SPU_ES:
default:
return true;
}
}
int GetOmxVideoFormat( vlc_fourcc_t i_fourcc,
OMX_VIDEO_CODINGTYPE *pi_omx_codec,
const char **ppsz_name )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( VIDEO_ES, i_fourcc );
for( i = 0; video_format_table[i].i_codec != 0; i++ )
if( video_format_table[i].i_fourcc == i_fourcc ) break;
if( pi_omx_codec ) *pi_omx_codec = video_format_table[i].i_codec;
if( ppsz_name ) *ppsz_name = vlc_fourcc_GetDescription( VIDEO_ES, i_fourcc );
return !!video_format_table[i].i_codec;
}
int GetOmxAudioFormat( vlc_fourcc_t i_fourcc,
OMX_AUDIO_CODINGTYPE *pi_omx_codec,
const char **ppsz_name )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( AUDIO_ES, i_fourcc );
for( i = 0; audio_format_table[i].i_codec != 0; i++ )
if( audio_format_table[i].i_fourcc == i_fourcc ) break;
if( pi_omx_codec ) *pi_omx_codec = audio_format_table[i].i_codec;
if( ppsz_name ) *ppsz_name = vlc_fourcc_GetDescription( AUDIO_ES, i_fourcc );
return !!audio_format_table[i].i_codec;
}
int GetOmxChromaFormat( vlc_fourcc_t i_fourcc,
OMX_COLOR_FORMATTYPE *pi_omx_codec,
const char **ppsz_name )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( VIDEO_ES, i_fourcc );
for( i = 0; chroma_format_table[i].i_codec != 0; i++ )
if( chroma_format_table[i].i_fourcc == i_fourcc ) break;
if( pi_omx_codec ) *pi_omx_codec = chroma_format_table[i].i_codec;
if( ppsz_name ) *ppsz_name = vlc_fourcc_GetDescription( VIDEO_ES, i_fourcc );
return !!chroma_format_table[i].i_codec;
}
int GetFfmpegCodec( vlc_fourcc_t i_fourcc, int *pi_cat,
unsigned *pi_ffmpeg_codec, const char **ppsz_name )
{
i_fourcc = vlc_fourcc_GetCodec( UNKNOWN_ES, i_fourcc );
for( unsigned i = 0; i < codecs_count; i++ )
{
if( codecs_table[i].i_fourcc == i_fourcc )
{
if( pi_cat ) *pi_cat = codecs_table[i].i_cat;
if( pi_ffmpeg_codec ) *pi_ffmpeg_codec = codecs_table[i].i_codec;
if( ppsz_name ) *ppsz_name = vlc_fourcc_GetDescription( UNKNOWN_ES, i_fourcc );//char *)codecs_table[i].psz_name;
return true;
}
}
return false;
}
/*****************************************************************************
* aout_BitsPerSample : get the number of bits per sample
*****************************************************************************/
unsigned int aout_BitsPerSample( vlc_fourcc_t i_format )
{
switch( vlc_fourcc_GetCodec( AUDIO_ES, i_format ) )
{
case VLC_CODEC_U8:
case VLC_CODEC_S8:
case VLC_CODEC_ALAW:
case VLC_CODEC_MULAW:
return 8;
case VLC_CODEC_U16L:
case VLC_CODEC_S16L:
case VLC_CODEC_U16B:
case VLC_CODEC_S16B:
return 16;
case VLC_CODEC_U24L:
case VLC_CODEC_S24L:
case VLC_CODEC_U24B:
case VLC_CODEC_S24B:
return 24;
case VLC_CODEC_S24L32:
case VLC_CODEC_S24B32:
case VLC_CODEC_U32L:
case VLC_CODEC_U32B:
case VLC_CODEC_S32L:
case VLC_CODEC_S32B:
case VLC_CODEC_F32L:
case VLC_CODEC_F32B:
return 32;
case VLC_CODEC_F64L:
case VLC_CODEC_F64B:
return 64;
default:
/* For these formats the caller has to indicate the parameters
* by hand. */
return 0;
}
}
static int transcode_audio_initialize_encoder( sout_stream_id_t *id, sout_stream_t *p_stream )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
/* Initialization of encoder format structures */
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
id->p_decoder->fmt_out.i_codec );
id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
id->p_encoder->fmt_in.audio.i_physical_channels =
id->p_encoder->fmt_out.audio.i_physical_channels;
aout_FormatPrepare( &id->p_encoder->fmt_in.audio );
id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
id->p_encoder->p_module =
module_need( id->p_encoder, "encoder", p_sys->psz_aenc, true );
if( !id->p_encoder->p_module )
{
msg_Err( p_stream, "cannot find audio encoder (module:%s fourcc:%4.4s). Take a look few lines earlier to see possible reason.",
p_sys->psz_aenc ? p_sys->psz_aenc : "any",
(char *)&p_sys->i_acodec );
module_unneed( id->p_decoder, id->p_decoder->p_module );
id->p_decoder->p_module = NULL;
return VLC_EGENERIC;
}
id->p_encoder->fmt_out.i_codec =
vlc_fourcc_GetCodec( AUDIO_ES, id->p_encoder->fmt_out.i_codec );
/* Fix input format */
id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
if( !id->p_encoder->fmt_in.audio.i_physical_channels
|| !id->p_encoder->fmt_in.audio.i_original_channels )
{
if( id->p_encoder->fmt_in.audio.i_channels < 6 )
id->p_encoder->fmt_in.audio.i_physical_channels =
id->p_encoder->fmt_in.audio.i_original_channels =
pi_channels_maps[id->p_encoder->fmt_in.audio.i_channels];
}
aout_FormatPrepare( &id->p_encoder->fmt_in.audio );
return VLC_SUCCESS;
}
int GetVlcChromaSizes( vlc_fourcc_t i_fourcc,
unsigned int width, unsigned int height,
unsigned int *size, unsigned int *pitch,
unsigned int *chroma_pitch_div )
{
unsigned int i;
i_fourcc = vlc_fourcc_GetCodec( VIDEO_ES, i_fourcc );
for( i = 0; chroma_format_table[i].i_codec != 0; i++ )
if( chroma_format_table[i].i_fourcc == i_fourcc ) break;
/* Align on macroblock boundary */
width = (width + 15) & ~0xF;
height = (height + 15) & ~0xF;
if( size ) *size = width * height * chroma_format_table[i].i_size_mul / 2;
if( pitch ) *pitch = width * chroma_format_table[i].i_line_mul;
if( chroma_pitch_div )
*chroma_pitch_div = chroma_format_table[i].i_line_chroma_div;
return !!chroma_format_table[i].i_codec;
}
vlc_fourcc_t vlc_fourcc_GetCodecAudio( vlc_fourcc_t i_fourcc, int i_bits )
{
const int i_bytes = ( i_bits + 7 ) / 8;
if( i_fourcc == VLC_FOURCC( 'a', 'f', 'l', 't' ) )
{
switch( i_bytes )
{
case 4:
return VLC_CODEC_FL32;
case 8:
return VLC_CODEC_FL64;
default:
return 0;
}
}
else if( i_fourcc == VLC_FOURCC( 'a', 'r', 'a', 'w' ) ||
i_fourcc == VLC_FOURCC( 'p', 'c', 'm', ' ' ) )
{
switch( i_bytes )
{
case 1:
return VLC_CODEC_U8;
case 2:
return VLC_CODEC_S16L;
case 3:
return VLC_CODEC_S24L;
break;
case 4:
return VLC_CODEC_S32L;
default:
return 0;
}
}
else if( i_fourcc == VLC_FOURCC( 't', 'w', 'o', 's' ) )
{
switch( i_bytes )
{
case 1:
return VLC_CODEC_S8;
case 2:
return VLC_CODEC_S16B;
case 3:
return VLC_CODEC_S24B;
case 4:
return VLC_CODEC_S32B;
default:
return 0;
}
}
else if( i_fourcc == VLC_FOURCC( 's', 'o', 'w', 't' ) )
{
switch( i_bytes )
{
case 1:
return VLC_CODEC_S8;
case 2:
return VLC_CODEC_S16L;
case 3:
return VLC_CODEC_S24L;
case 4:
return VLC_CODEC_S32L;
default:
return 0;
}
}
else
{
return vlc_fourcc_GetCodec( AUDIO_ES, i_fourcc );
}
}
int transcode_audio_new( sout_stream_t *p_stream,
sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
audio_sample_format_t fmt_last;
/*
* Open decoder
*/
/* Initialization of decoder structures */
id->p_decoder->fmt_out = id->p_decoder->fmt_in;
id->p_decoder->fmt_out.i_extra = 0;
id->p_decoder->fmt_out.p_extra = 0;
id->p_decoder->pf_decode_audio = NULL;
id->p_decoder->pf_aout_format_update = audio_update_format;
/* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
id->p_decoder->p_module =
module_need( id->p_decoder, "decoder", "$codec", false );
if( !id->p_decoder->p_module )
{
msg_Err( p_stream, "cannot find audio decoder" );
return VLC_EGENERIC;
}
/* decoders don't set audio.i_format, but audio filters use it */
id->p_decoder->fmt_out.audio.i_format = id->p_decoder->fmt_out.i_codec;
aout_FormatPrepare( &id->p_decoder->fmt_out.audio );
fmt_last = id->p_decoder->fmt_out.audio;
/* Fix AAC SBR changing number of channels and sampling rate */
if( !(id->p_decoder->fmt_in.i_codec == VLC_CODEC_MP4A &&
fmt_last.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
fmt_last.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
fmt_last.i_rate = id->p_decoder->fmt_in.audio.i_rate;
/*
* Open encoder
*/
/* Initialization of encoder format structures */
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
id->p_decoder->fmt_out.i_codec );
id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
id->p_encoder->fmt_in.audio.i_physical_channels =
id->p_encoder->fmt_out.audio.i_physical_channels;
aout_FormatPrepare( &id->p_encoder->fmt_in.audio );
id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
id->p_encoder->p_module =
module_need( id->p_encoder, "encoder", p_sys->psz_aenc, true );
if( !id->p_encoder->p_module )
{
msg_Err( p_stream, "cannot find audio encoder (module:%s fourcc:%4.4s). Take a look few lines earlier to see possible reason.",
p_sys->psz_aenc ? p_sys->psz_aenc : "any",
(char *)&p_sys->i_acodec );
module_unneed( id->p_decoder, id->p_decoder->p_module );
id->p_decoder->p_module = NULL;
return VLC_EGENERIC;
}
id->p_encoder->fmt_out.i_codec =
vlc_fourcc_GetCodec( AUDIO_ES, id->p_encoder->fmt_out.i_codec );
/* Fix input format */
id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
if( !id->p_encoder->fmt_in.audio.i_physical_channels
|| !id->p_encoder->fmt_in.audio.i_original_channels )
{
if( id->p_encoder->fmt_in.audio.i_channels < 6 )
id->p_encoder->fmt_in.audio.i_physical_channels =
id->p_encoder->fmt_in.audio.i_original_channels =
pi_channels_maps[id->p_encoder->fmt_in.audio.i_channels];
}
aout_FormatPrepare( &id->p_encoder->fmt_in.audio );
if( unlikely( transcode_audio_initialize_filters( p_stream, id, p_sys, &fmt_last ) != VLC_SUCCESS ) )
return VLC_EGENERIC;
return VLC_SUCCESS;
}
void video_format_Setup( video_format_t *p_fmt, vlc_fourcc_t i_chroma,
int i_width, int i_height,
int i_sar_num, int i_sar_den )
{
p_fmt->i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, i_chroma );
p_fmt->i_width =
p_fmt->i_visible_width = i_width;
p_fmt->i_height =
p_fmt->i_visible_height = i_height;
p_fmt->i_x_offset =
p_fmt->i_y_offset = 0;
vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
i_sar_num, i_sar_den, 0 );
switch( p_fmt->i_chroma )
{
case VLC_CODEC_YUVA:
p_fmt->i_bits_per_pixel = 32;
break;
case VLC_CODEC_I444:
case VLC_CODEC_J444:
p_fmt->i_bits_per_pixel = 24;
break;
case VLC_CODEC_I422:
case VLC_CODEC_YUYV:
case VLC_CODEC_YVYU:
case VLC_CODEC_UYVY:
case VLC_CODEC_VYUY:
case VLC_CODEC_J422:
p_fmt->i_bits_per_pixel = 16;
break;
case VLC_CODEC_I440:
case VLC_CODEC_J440:
p_fmt->i_bits_per_pixel = 16;
break;
case VLC_CODEC_I411:
case VLC_CODEC_YV12:
case VLC_CODEC_I420:
case VLC_CODEC_J420:
case VLC_CODEC_MV12:
p_fmt->i_bits_per_pixel = 12;
break;
case VLC_CODEC_YV9:
case VLC_CODEC_I410:
p_fmt->i_bits_per_pixel = 9;
break;
case VLC_CODEC_Y211:
p_fmt->i_bits_per_pixel = 8;
break;
case VLC_CODEC_YUVP:
p_fmt->i_bits_per_pixel = 8;
break;
case VLC_CODEC_RGB32:
case VLC_CODEC_RGBA:
p_fmt->i_bits_per_pixel = 32;
break;
case VLC_CODEC_RGB24:
p_fmt->i_bits_per_pixel = 24;
break;
case VLC_CODEC_RGB15:
case VLC_CODEC_RGB16:
p_fmt->i_bits_per_pixel = 16;
break;
case VLC_CODEC_RGB8:
p_fmt->i_bits_per_pixel = 8;
break;
case VLC_CODEC_GREY:
case VLC_CODEC_RGBP:
p_fmt->i_bits_per_pixel = 8;
break;
default:
p_fmt->i_bits_per_pixel = 0;
break;
}
}
int transcode_audio_new( sout_stream_t *p_stream,
sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
es_format_t fmt_last;
/*
* Open decoder
*/
/* Initialization of decoder structures */
id->p_decoder->fmt_out = id->p_decoder->fmt_in;
id->p_decoder->fmt_out.i_extra = 0;
id->p_decoder->fmt_out.p_extra = 0;
id->p_decoder->pf_decode_audio = NULL;
id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
/* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
id->p_decoder->p_module =
module_need( id->p_decoder, "decoder", "$codec", false );
if( !id->p_decoder->p_module )
{
msg_Err( p_stream, "cannot find audio decoder" );
return VLC_EGENERIC;
}
id->p_decoder->fmt_out.audio.i_bitspersample =
aout_BitsPerSample( id->p_decoder->fmt_out.i_codec );
fmt_last = id->p_decoder->fmt_out;
/* Fix AAC SBR changing number of channels and sampling rate */
if( !(id->p_decoder->fmt_in.i_codec == VLC_CODEC_MP4A &&
fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
/*
* Open encoder
*/
/* Initialization of encoder format structures */
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
id->p_decoder->fmt_out.i_codec );
id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
id->p_encoder->fmt_in.audio.i_physical_channels =
id->p_encoder->fmt_out.audio.i_physical_channels;
id->p_encoder->fmt_in.audio.i_original_channels =
id->p_encoder->fmt_out.audio.i_original_channels;
id->p_encoder->fmt_in.audio.i_channels =
id->p_encoder->fmt_out.audio.i_channels;
id->p_encoder->fmt_in.audio.i_bitspersample =
aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
id->p_encoder->p_module =
module_need( id->p_encoder, "encoder", p_sys->psz_aenc, true );
if( !id->p_encoder->p_module )
{
msg_Err( p_stream, "cannot find audio encoder (module:%s fourcc:%4.4s)",
p_sys->psz_aenc ? p_sys->psz_aenc : "any",
(char *)&p_sys->i_acodec );
module_unneed( id->p_decoder, id->p_decoder->p_module );
id->p_decoder->p_module = NULL;
return VLC_EGENERIC;
}
id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
id->p_encoder->fmt_in.audio.i_bitspersample =
aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
/* Load user specified audio filters */
if( p_sys->psz_af )
{
es_format_t fmt_fl32 = fmt_last;
fmt_fl32.i_codec =
fmt_fl32.audio.i_format = VLC_CODEC_FL32;
id->p_uf_chain = filter_chain_New( p_stream, "audio filter", false,
transcode_audio_filter_allocation_init, NULL, NULL );
filter_chain_Reset( id->p_uf_chain, &fmt_last, &fmt_fl32 );
if( transcode_audio_filter_chain_build( p_stream, id->p_uf_chain,
&fmt_fl32, &fmt_last ) )
{
transcode_audio_close( id );
return VLC_EGENERIC;
}
fmt_last = fmt_fl32;
if( filter_chain_AppendFromString( id->p_uf_chain, p_sys->psz_af ) > 0 )
fmt_last = *filter_chain_GetFmtOut( id->p_uf_chain );
}
/* Load conversion filters */
id->p_f_chain = filter_chain_New( p_stream, "audio filter", true,
transcode_audio_filter_allocation_init, NULL, NULL );
filter_chain_Reset( id->p_f_chain, &fmt_last, &id->p_encoder->fmt_in );
if( transcode_audio_filter_chain_build( p_stream, id->p_f_chain,
&id->p_encoder->fmt_in, &fmt_last ) )
{
transcode_audio_close( id );
return VLC_EGENERIC;
}
fmt_last = id->p_encoder->fmt_in;
/* */
id->p_encoder->fmt_out.i_codec =
vlc_fourcc_GetCodec( AUDIO_ES, id->p_encoder->fmt_out.i_codec );
return VLC_SUCCESS;
}
static int SetOutputType(decoder_t *p_dec, DWORD stream_id, IMFMediaType **result)
{
decoder_sys_t *p_sys = p_dec->p_sys;
HRESULT hr;
*result = NULL;
IMFMediaType *output_media_type = NULL;
/*
* Enumerate available output types. The list is ordered by
* preference thus we will use the first one unless YV12/I420 is
* available for video or float32 for audio.
*/
int output_type_index = 0;
bool found = false;
for (int i = 0; !found; ++i)
{
hr = IMFTransform_GetOutputAvailableType(p_sys->mft, stream_id, i, &output_media_type);
if (hr == MF_E_NO_MORE_TYPES)
break;
else if (hr == MF_E_TRANSFORM_TYPE_NOT_SET)
{
/* The input type must be set before setting the output type for this MFT. */
return VLC_SUCCESS;
}
else if (FAILED(hr))
goto error;
GUID subtype;
hr = IMFMediaType_GetGUID(output_media_type, &MF_MT_SUBTYPE, &subtype);
if (FAILED(hr))
goto error;
if (p_dec->fmt_in.i_cat == VIDEO_ES)
{
if (IsEqualGUID(&subtype, &MFVideoFormat_YV12) || IsEqualGUID(&subtype, &MFVideoFormat_I420))
found = true;
}
else
{
UINT32 bits_per_sample;
hr = IMFMediaType_GetUINT32(output_media_type, &MF_MT_AUDIO_BITS_PER_SAMPLE, &bits_per_sample);
if (FAILED(hr))
continue;
if (bits_per_sample == 32 && IsEqualGUID(&subtype, &MFAudioFormat_Float))
found = true;
}
if (found)
output_type_index = i;
IMFMediaType_Release(output_media_type);
output_media_type = NULL;
}
/*
* It's not an error if we don't find the output type we were
* looking for, in this case we use the first available type which
* is the "preferred" output type for this MFT.
*/
hr = IMFTransform_GetOutputAvailableType(p_sys->mft, stream_id, output_type_index, &output_media_type);
if (FAILED(hr))
goto error;
hr = IMFTransform_SetOutputType(p_sys->mft, stream_id, output_media_type, 0);
if (FAILED(hr))
goto error;
GUID subtype;
hr = IMFMediaType_GetGUID(output_media_type, &MF_MT_SUBTYPE, &subtype);
if (FAILED(hr))
goto error;
if (p_dec->fmt_in.i_cat == VIDEO_ES)
{
video_format_Copy( &p_dec->fmt_out.video, &p_dec->fmt_in.video );
p_dec->fmt_out.i_codec = vlc_fourcc_GetCodec(p_dec->fmt_in.i_cat, subtype.Data1);
}
else
{
p_dec->fmt_out.audio = p_dec->fmt_in.audio;
UINT32 bitspersample = 0;
hr = IMFMediaType_GetUINT32(output_media_type, &MF_MT_AUDIO_BITS_PER_SAMPLE, &bitspersample);
if (SUCCEEDED(hr) && bitspersample)
p_dec->fmt_out.audio.i_bitspersample = bitspersample;
UINT32 channels = 0;
hr = IMFMediaType_GetUINT32(output_media_type, &MF_MT_AUDIO_NUM_CHANNELS, &channels);
if (SUCCEEDED(hr) && channels)
p_dec->fmt_out.audio.i_channels = channels;
UINT32 rate = 0;
hr = IMFMediaType_GetUINT32(output_media_type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &rate);
if (SUCCEEDED(hr) && rate)
p_dec->fmt_out.audio.i_rate = rate;
vlc_fourcc_t fourcc;
wf_tag_to_fourcc(subtype.Data1, &fourcc, NULL);
p_dec->fmt_out.i_codec = vlc_fourcc_GetCodecAudio(fourcc, p_dec->fmt_out.audio.i_bitspersample);
p_dec->fmt_out.audio.i_physical_channels = pi_channels_maps[p_dec->fmt_out.audio.i_channels];
}
*result = output_media_type;
return VLC_SUCCESS;
error:
msg_Err(p_dec, "Error in SetOutputType()");
if (output_media_type)
IMFMediaType_Release(output_media_type);
return VLC_EGENERIC;
}