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Commit 1dba29e5 authored by Francois Cartegnie's avatar Francois Cartegnie
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demux: ts: just keep logical id on ES 

descriptors can then be updated and we'll
be able to do delayed es fmt setup (OD stream parsing)
parent 05c045e4
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Showing with 83 additions and 85 deletions
modules/demux/ts.c
View file @ 1dba29e5
......@@ -232,7 +232,7 @@ typedef struct
{
es_format_t fmt;
es_out_id_t *id;
const es_mpeg4_descriptor_t *p_mpeg4desc;
uint16_t i_sl_es_id;
} ts_pes_es_t;
typedef enum
......@@ -479,6 +479,9 @@ static void PCRHandle( demux_t *p_demux, ts_pid_t *, block_t * );
static void PCRFixHandle( demux_t *, ts_pmt_t *, block_t * );
static int64_t TimeStampWrapAround( ts_pmt_t *, int64_t );
/* MPEG4 related */
static const es_mpeg4_descriptor_t * GetMPEG4DescByEsId( const ts_pmt_t *, uint16_t );
#define TS_USER_PMT_NUMBER (0)
static int UserPmt( demux_t *p_demux, const char * );
......@@ -2145,6 +2148,7 @@ static void ParsePES( demux_t *p_demux, ts_pid_t *pid, block_t *p_pes )
mtime_t i_dts = -1;
mtime_t i_pts = -1;
mtime_t i_length = 0;
const es_mpeg4_descriptor_t *p_mpeg4desc = NULL;
assert(pid->type == TYPE_PES);
assert(pid->p_parent && pid->p_parent->type == TYPE_PMT);
......@@ -2178,6 +2182,10 @@ static void ParsePES( demux_t *p_demux, ts_pid_t *pid, block_t *p_pes )
i_dts = TimeStampWrapAround( pid->p_parent->u.p_pmt, i_dts );
}
if( pid->u.p_pes->es.i_sl_es_id )
p_mpeg4desc = GetMPEG4DescByEsId( pid->p_parent->u.p_pmt,
pid->u.p_pes->es.i_sl_es_id );
if( pid->u.p_pes->es.fmt.i_codec == VLC_FOURCC( 'a', '5', '2', 'b' ) ||
pid->u.p_pes->es.fmt.i_codec == VLC_FOURCC( 'd', 't', 's', 'b' ) )
{
......@@ -2189,10 +2197,9 @@ static void ParsePES( demux_t *p_demux, ts_pid_t *pid, block_t *p_pes )
{
i_skip += 1;
}
else if( pid->u.p_pes->es.fmt.i_codec == VLC_CODEC_SUBT &&
pid->u.p_pes->es.p_mpeg4desc )
else if( pid->u.p_pes->es.fmt.i_codec == VLC_CODEC_SUBT && p_mpeg4desc )
{
const decoder_config_descriptor_t *dcd = &pid->u.p_pes->es.p_mpeg4desc->dec_descr;
const decoder_config_descriptor_t *dcd = &p_mpeg4desc->dec_descr;
if( dcd->i_extra > 2 &&
dcd->p_extra[0] == 0x10 &&
......@@ -3951,94 +3958,26 @@ static bool PMTEsHasComponentTag( const dvbpsi_pmt_es_t *p_es,
return p_si->i_component_tag == i_component_tag;
}
static const es_mpeg4_descriptor_t * GetMPEG4DescByEsId( const iod_descriptor_t *iod,
uint16_t i_es_id )
static const es_mpeg4_descriptor_t * GetMPEG4DescByEsId( const ts_pmt_t *pmt, uint16_t i_es_id )
{
if( iod )
if( pmt->iod )
for( int i = 0; i < ES_DESCRIPTOR_COUNT; i++ )
{
if( iod->es_descr[i].i_es_id == i_es_id )
if( pmt->iod->es_descr[i].i_es_id == i_es_id )
{
if ( iod->es_descr[i].b_ok )
return &iod->es_descr[i];
if ( pmt->iod->es_descr[i].b_ok )
return &pmt->iod->es_descr[i];
}
}
return NULL;
}
static void PMTSetupEsISO14496( demux_t *p_demux, ts_pes_es_t *p_es,
const ts_pmt_t *p_pmt, const dvbpsi_pmt_es_t *p_dvbpsies )
static bool SetupISO14496LogicalStream( demux_t *p_demux, const decoder_config_descriptor_t *dcd,
es_format_t *p_fmt )
{
es_format_t *p_fmt = &p_es->fmt;
const dvbpsi_descriptor_t *p_dr = p_dvbpsies->p_first_descriptor;
while( p_dr )
{
const es_mpeg4_descriptor_t *p_esdescr = NULL;
uint16_t i_es_id;
uint8_t i_length = p_dr->i_length;
switch( p_dr->i_tag )
{
case 0x1f: /* FMC Descriptor */
while( i_length >= 3 && !p_esdescr )
{
i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
p_esdescr = GetMPEG4DescByEsId( p_pmt->iod, i_es_id );
/* FIXME: add flexmux channel */
i_length -= 3;
if( p_esdescr )
msg_Dbg( p_demux, "found FMC_descriptor declaring sl packetization on es_id=%"PRIu16, i_es_id );
}
break;
case 0x1e: /* SL Descriptor */
if( i_length == 2 )
{
i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
p_esdescr = GetMPEG4DescByEsId( p_pmt->iod, i_es_id );
if( p_esdescr )
msg_Dbg( p_demux, "found SL_descriptor declaring sl packetization on es_id=%"PRIu16, i_es_id );
}
break;
default:
break;
}
if( p_esdescr )
{
if( !p_esdescr->b_ok )
{
msg_Dbg( p_demux, "MPEG-4 descriptor not yet available on es_id=%"PRIu16, i_es_id );
}
else
{
p_es->p_mpeg4desc = p_esdescr;
break;
}
}
p_dr = p_dr->p_next;
}
if( !p_es->p_mpeg4desc )
{
switch( p_dvbpsies->i_type )
{
/* non fatal, set by packetizer */
case 0x0f: /* ADTS */
case 0x11: /* LOAS */
msg_Info( p_demux, "MPEG-4 descriptor not found for pid 0x%x type 0x%x",
p_dvbpsies->i_pid, p_dvbpsies->i_type );
break;
default:
msg_Err( p_demux, "MPEG-4 descriptor not found for pid 0x%x type 0x%x",
p_dvbpsies->i_pid, p_dvbpsies->i_type );
break;
}
return;
}
msg_Dbg( p_demux, " - IOD objecttype: %"PRIx8" streamtype:%"PRIx8,
dcd->i_objectTypeIndication, dcd->i_streamType );
const decoder_config_descriptor_t *dcd = &p_es->p_mpeg4desc->dec_descr;
if( dcd->i_streamType == 0x04 ) /* VisualStream */
{
p_fmt->i_cat = VIDEO_ES;
......@@ -4115,6 +4054,67 @@ static void PMTSetupEsISO14496( demux_t *p_demux, ts_pes_es_t *p_es,
p_fmt->i_extra = 0;
}
}
return true;
}
static void SetupISO14496Descriptors( demux_t *p_demux, ts_pes_es_t *p_es,
const ts_pmt_t *p_pmt, const dvbpsi_pmt_es_t *p_dvbpsies )
{
const dvbpsi_descriptor_t *p_dr = p_dvbpsies->p_first_descriptor;
while( p_dr )
{
uint8_t i_length = p_dr->i_length;
switch( p_dr->i_tag )
{
case 0x1f: /* FMC Descriptor */
while( i_length >= 3 && !p_es->i_sl_es_id )
{
p_es->i_sl_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
/* FIXME: map all ids and flexmux channels */
i_length -= 3;
msg_Dbg( p_demux, " - found FMC_descriptor mapping es_id=%"PRIu16, p_es->i_sl_es_id );
}
break;
case 0x1e: /* SL Descriptor */
if( i_length == 2 )
{
p_es->i_sl_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
msg_Dbg( p_demux, " - found SL_descriptor mapping es_id=%"PRIu16, p_es->i_sl_es_id );
}
break;
default:
break;
}
p_dr = p_dr->p_next;
}
if( p_es->i_sl_es_id )
{
const es_mpeg4_descriptor_t *p_mpeg4desc = GetMPEG4DescByEsId( p_pmt, p_es->i_sl_es_id );
if( p_mpeg4desc && p_mpeg4desc->b_ok )
{
if( !SetupISO14496LogicalStream( p_demux, &p_mpeg4desc->dec_descr, &p_es->fmt ) )
msg_Dbg( p_demux, " - IOD not yet available for es_id=%"PRIu16, p_es->i_sl_es_id );
}
}
else
{
switch( p_dvbpsies->i_type )
{
/* non fatal, set by packetizer */
case 0x0f: /* ADTS */
case 0x11: /* LOAS */
msg_Info( p_demux, " - SL/FMC descriptor not found/matched" );
break;
default:
msg_Err( p_demux, " - SL/FMC descriptor not found/matched" );
break;
}
}
}
typedef struct
......@@ -4984,8 +4984,6 @@ static void PMTCallBack( void *data, dvbpsi_pmt_t *p_dvbpsipmt )
{
IODFree( p_pmt->iod );
p_pmt->iod = NULL;
for( int i=0; i<old_es_rm.i_size; i++ )
old_es_rm.p_elems[i]->u.p_pes->es.p_mpeg4desc = NULL;
}
msg_Dbg( p_demux, "new PMT program number=%d version=%d pid_pcr=%d",
......@@ -5230,7 +5228,7 @@ static void PMTCallBack( void *data, dvbpsi_pmt_t *p_dvbpsipmt )
case 0x10:
case 0x11:
case 0x12:
PMTSetupEsISO14496( p_demux, &p_pes->es, p_pmt, p_dvbpsies );
SetupISO14496Descriptors( p_demux, &p_pes->es, p_pmt, p_dvbpsies );
break;
case 0x83:
/* LPCM (audio) */
......@@ -5583,7 +5581,7 @@ static ts_pes_t *ts_pes_New( demux_t *p_demux )
return NULL;
pes->es.id = NULL;
pes->es.p_mpeg4desc = NULL;
pes->es.i_sl_es_id = 0;
es_format_Init( &pes->es.fmt, UNKNOWN_ES, 0 );
ARRAY_INIT( pes->extra_es );
pes->data_type = TS_ES_DATA_PES;
......
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