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Commit 73f01617 authored by Rafaël Carré's avatar Rafaël Carré
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TS Mux GetPMT(): factor out mpeg4 code

parent d6399cf3
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Showing with 142 additions and 140 deletions
modules/mux/mpeg/ts.c
View file @ 73f01617
......@@ -2084,6 +2084,146 @@ static uint32_t GetDescriptorLength24b( int i_length )
return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
}
static void GetPMTmpeg4(sout_mux_t *p_mux)
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
uint8_t iod[4096];
bits_buffer_t bits;
bits_buffer_t bits_fix_IOD;
/* Make valgrind happy : it works at byte level not bit one so
* bit_write confuse it (but DON'T CHANGE the way that bit_write is
* working (needed when fixing some bits) */
memset( iod, 0, 4096 );
bits_initwrite( &bits, 4096, iod );
/* IOD_label_scope */
bits_write( &bits, 8, 0x11 );
/* IOD_label */
bits_write( &bits, 8, 0x01 );
/* InitialObjectDescriptor */
bits_align( &bits );
bits_write( &bits, 8, 0x02 ); /* tag */
bits_fix_IOD = bits; /* save states to fix length later */
bits_write( &bits, 24,
GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
bits_write( &bits, 1, 0x00 ); /* URL Flag */
bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
bits_write( &bits, 4, 0x0f ); /* reserved */
bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
bits_write( &bits, 8, 0xff ); /* sceneProfile */
bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
for (int i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
{
ts_stream_t *p_stream;
p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
if( p_stream->i_stream_id == 0xfa ||
p_stream->i_stream_id == 0xfb ||
p_stream->i_stream_id == 0xfe )
{
bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
/* ES descriptor */
bits_align( &bits );
bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
bits_fix_ESDescr = bits;
bits_write( &bits, 24,
GetDescriptorLength24b( 0 ) ); /* variable size */
bits_write( &bits, 16, p_stream->i_es_id );
bits_write( &bits, 1, 0x00 ); /* streamDependency */
bits_write( &bits, 1, 0x00 ); /* URL Flag */
bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
bits_write( &bits, 5, 0x1f ); /* streamPriority */
/* DecoderConfigDesciptor */
bits_align( &bits );
bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
bits_fix_Decoder = bits;
bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
if( p_stream->i_stream_type == 0x10 )
{
bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else if( p_stream->i_stream_type == 0x1b )
{
bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else if( p_stream->i_stream_type == 0x11 ||
p_stream->i_stream_type == 0x0f )
{
bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
bits_write( &bits, 6, 0x05 ); /* AudioStream */
}
else if( p_stream->i_stream_type == 0x12 &&
p_stream->i_codec == VLC_CODEC_SUBT )
{
bits_write( &bits, 8, 0x0B ); /* Text Stream */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else
{
bits_write( &bits, 8, 0x00 );
bits_write( &bits, 6, 0x00 );
msg_Err( p_mux->p_sout,"Unsupported stream_type => "
"broken IOD" );
}
bits_write( &bits, 1, 0x00 ); /* UpStream */
bits_write( &bits, 1, 0x01 ); /* reserved */
bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
bits_write( &bits, 32, 0 ); /* avgBitrate */
if( p_stream->i_extra > 0 )
{
/* DecoderSpecificInfo */
bits_align( &bits );
bits_write( &bits, 8, 0x05 ); /* tag */
bits_write( &bits, 24, GetDescriptorLength24b(
p_stream->i_extra ) );
for (int i = 0; i < p_stream->i_extra; i++ )
{
bits_write( &bits, 8,
((uint8_t*)p_stream->p_extra)[i] );
}
}
/* fix Decoder length */
bits_write( &bits_fix_Decoder, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_Decoder.i_data - 3 ) );
/* SLConfigDescriptor : predefined (0x01) */
bits_align( &bits );
bits_write( &bits, 8, 0x06 ); /* tag */
bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
bits_write( &bits, 8, 0x01 );/* predefined */
bits_write( &bits, 1, 0 ); /* durationFlag */
bits_write( &bits, 32, 0 ); /* OCRResolution */
bits_write( &bits, 8, 0 ); /* OCRLength */
bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
bits_align( &bits );
/* fix ESDescr length */
bits_write( &bits_fix_ESDescr, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_ESDescr.i_data - 3 ) );
}
}
bits_align( &bits );
/* fix IOD length */
bits_write( &bits_fix_IOD, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_IOD.i_data - 3 ) );
dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
bits.p_data );
}
static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
......@@ -2091,10 +2231,8 @@ static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
if( p_sys->dvbpmt == NULL )
{
p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
if( !p_sys->dvbpmt )
{
if( p_sys->dvbpmt == NULL )
return;
}
}
dvbpsi_sdt_t sdt;
......@@ -2153,143 +2291,7 @@ static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
}
if( p_sys->i_mpeg4_streams > 0 )
{
uint8_t iod[4096];
bits_buffer_t bits;
bits_buffer_t bits_fix_IOD;
/* Make valgrind happy : it works at byte level not bit one so
* bit_write confuse it (but DON'T CHANGE the way that bit_write is
* working (needed when fixing some bits) */
memset( iod, 0, 4096 );
bits_initwrite( &bits, 4096, iod );
/* IOD_label_scope */
bits_write( &bits, 8, 0x11 );
/* IOD_label */
bits_write( &bits, 8, 0x01 );
/* InitialObjectDescriptor */
bits_align( &bits );
bits_write( &bits, 8, 0x02 ); /* tag */
bits_fix_IOD = bits; /* save states to fix length later */
bits_write( &bits, 24,
GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
bits_write( &bits, 1, 0x00 ); /* URL Flag */
bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
bits_write( &bits, 4, 0x0f ); /* reserved */
bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
bits_write( &bits, 8, 0xff ); /* sceneProfile */
bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
for (int i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
{
ts_stream_t *p_stream;
p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
if( p_stream->i_stream_id == 0xfa ||
p_stream->i_stream_id == 0xfb ||
p_stream->i_stream_id == 0xfe )
{
bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
/* ES descriptor */
bits_align( &bits );
bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
bits_fix_ESDescr = bits;
bits_write( &bits, 24,
GetDescriptorLength24b( 0 ) ); /* variable size */
bits_write( &bits, 16, p_stream->i_es_id );
bits_write( &bits, 1, 0x00 ); /* streamDependency */
bits_write( &bits, 1, 0x00 ); /* URL Flag */
bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
bits_write( &bits, 5, 0x1f ); /* streamPriority */
/* DecoderConfigDesciptor */
bits_align( &bits );
bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
bits_fix_Decoder = bits;
bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
if( p_stream->i_stream_type == 0x10 )
{
bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else if( p_stream->i_stream_type == 0x1b )
{
bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else if( p_stream->i_stream_type == 0x11 ||
p_stream->i_stream_type == 0x0f )
{
bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
bits_write( &bits, 6, 0x05 ); /* AudioStream */
}
else if( p_stream->i_stream_type == 0x12 &&
p_stream->i_codec == VLC_CODEC_SUBT )
{
bits_write( &bits, 8, 0x0B ); /* Text Stream */
bits_write( &bits, 6, 0x04 ); /* VisualStream */
}
else
{
bits_write( &bits, 8, 0x00 );
bits_write( &bits, 6, 0x00 );
msg_Err( p_mux->p_sout,"Unsupported stream_type => "
"broken IOD" );
}
bits_write( &bits, 1, 0x00 ); /* UpStream */
bits_write( &bits, 1, 0x01 ); /* reserved */
bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
bits_write( &bits, 32, 0 ); /* avgBitrate */
if( p_stream->i_extra > 0 )
{
/* DecoderSpecificInfo */
bits_align( &bits );
bits_write( &bits, 8, 0x05 ); /* tag */
bits_write( &bits, 24, GetDescriptorLength24b(
p_stream->i_extra ) );
for (int i = 0; i < p_stream->i_extra; i++ )
{
bits_write( &bits, 8,
((uint8_t*)p_stream->p_extra)[i] );
}
}
/* fix Decoder length */
bits_write( &bits_fix_Decoder, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_Decoder.i_data - 3 ) );
/* SLConfigDescriptor : predefined (0x01) */
bits_align( &bits );
bits_write( &bits, 8, 0x06 ); /* tag */
bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
bits_write( &bits, 8, 0x01 );/* predefined */
bits_write( &bits, 1, 0 ); /* durationFlag */
bits_write( &bits, 32, 0 ); /* OCRResolution */
bits_write( &bits, 8, 0 ); /* OCRLength */
bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
bits_align( &bits );
/* fix ESDescr length */
bits_write( &bits_fix_ESDescr, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_ESDescr.i_data - 3 ) );
}
}
bits_align( &bits );
/* fix IOD length */
bits_write( &bits_fix_IOD, 24,
GetDescriptorLength24b( bits.i_data -
bits_fix_IOD.i_data - 3 ) );
dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
bits.p_data );
}
GetPMTmpeg4(p_mux);
for (int i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
{
......
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