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vlc-1.1
Commit 857a43d1 authored by Laurent Aimar's avatar Laurent Aimar
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Split up DecoderDecode function. 

No functionnal changes.
parent 2624f9af
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Inline Side-by-side
Showing with 242 additions and 205 deletions
src/input/decoder.c
View file @ 857a43d1
......@@ -53,7 +53,7 @@ static decoder_t *CreateDecoder( input_thread_t *, es_format_t *, int, sout_inst
static void DeleteDecoder( decoder_t * );
static void *DecoderThread( vlc_object_t * );
static int DecoderDecode( decoder_t * p_dec, block_t *p_block );
static int DecoderProcess( decoder_t * p_dec, block_t *p_block );
static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date );
/* Buffers allocation callbacks for the decoders */
......@@ -109,14 +109,18 @@ struct decoder_owner_sys_t
vout_thread_t *p_vout;
/* -- Theses variables need locking on read *and* write -- */
/* */
/* Pause */
bool b_paused;
mtime_t i_pause_date;
/* CC */
bool b_cc_supported;
bool pb_cc_present[4];
decoder_t *pp_cc[4];
struct
{
bool b_supported;
bool pb_present[4];
decoder_t *pp_decoder[4];
} cc;
/* Delay */
mtime_t i_ts_delay;
......@@ -304,7 +308,7 @@ void input_DecoderDelete( decoder_t *p_dec )
}
/* */
if( p_dec->p_owner->b_cc_supported )
if( p_dec->p_owner->cc.b_supported )
{
int i;
for( i = 0; i < 4; i++ )
......@@ -359,7 +363,7 @@ void input_DecoderDecode( decoder_t * p_dec, block_t *p_block )
}
else
{
DecoderDecode( p_dec, p_block );
DecoderProcess( p_dec, p_block );
}
}
}
......@@ -381,7 +385,7 @@ void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
vlc_mutex_lock( &p_owner->lock );
for( i = 0; i < 4; i++ )
pb_present[i] = p_owner->pb_cc_present[i];
pb_present[i] = p_owner->cc.pb_present[i];
vlc_mutex_unlock( &p_owner->lock );
}
int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
......@@ -390,7 +394,7 @@ int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
//msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
if( i_channel < 0 || i_channel >= 4 || !p_owner->pb_cc_present[i_channel] )
if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
return VLC_EGENERIC;
if( b_decode )
......@@ -423,7 +427,7 @@ int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
p_cc->p_owner->p_clock = p_owner->p_clock;
vlc_mutex_lock( &p_owner->lock );
p_owner->pp_cc[i_channel] = p_cc;
p_owner->cc.pp_decoder[i_channel] = p_cc;
vlc_mutex_unlock( &p_owner->lock );
}
else
......@@ -431,8 +435,8 @@ int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
decoder_t *p_cc;
vlc_mutex_lock( &p_owner->lock );
p_cc = p_owner->pp_cc[i_channel];
p_owner->pp_cc[i_channel] = NULL;
p_cc = p_owner->cc.pp_decoder[i_channel];
p_owner->cc.pp_decoder[i_channel] = NULL;
vlc_mutex_unlock( &p_owner->lock );
if( p_cc )
......@@ -450,11 +454,11 @@ int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
decoder_owner_sys_t *p_owner = p_dec->p_owner;
*pb_decode = false;
if( i_channel < 0 || i_channel >= 4 || !p_owner->pb_cc_present[i_channel] )
if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
return VLC_EGENERIC;
vlc_mutex_lock( &p_owner->lock );
*pb_decode = p_owner->pp_cc[i_channel] != NULL;
*pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
vlc_mutex_unlock( &p_owner->lock );
return VLC_EGENERIC;
}
......@@ -632,13 +636,13 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
}
}
/* */
p_owner->b_cc_supported = false;
p_owner->cc.b_supported = false;
if( i_object_type == VLC_OBJECT_DECODER )
{
if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
p_owner->b_cc_supported = true;
p_owner->cc.b_supported = true;
if( p_dec->pf_get_cc )
p_owner->b_cc_supported = true;
p_owner->cc.b_supported = true;
}
vlc_mutex_init( &p_owner->lock );
......@@ -647,8 +651,8 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
p_owner->i_pause_date = 0;
for( i = 0; i < 4; i++ )
{
p_owner->pb_cc_present[i] = false;
p_owner->pp_cc[i] = NULL;
p_owner->cc.pb_present[i] = false;
p_owner->cc.pp_decoder[i] = NULL;
}
p_owner->i_ts_delay = 0;
return p_dec;
......@@ -672,11 +676,11 @@ static void *DecoderThread( vlc_object_t *p_this )
{
if( ( p_block = block_FifoGet( p_owner->p_fifo ) ) == NULL )
{
p_dec->b_error = 1;
p_dec->b_error = true;
break;
}
if( DecoderDecode( p_dec, p_block ) != VLC_SUCCESS )
if( DecoderProcess( p_dec, p_block ) != VLC_SUCCESS )
break;
}
......@@ -802,12 +806,12 @@ static void DecoderAoutBufferFixTs( aout_buffer_t *p_buffer, int *pi_rate,
if( !p_buffer->start_date && !p_buffer->end_date )
*pi_rate = input_clock_GetRate( p_clock );
if( p_buffer->start_date )
if( p_buffer->start_date > 0 )
p_buffer->start_date =
input_clock_GetTS( p_clock, pi_rate,
i_ts_delay, p_buffer->start_date + i_es_delay );
if( p_buffer->end_date )
if( p_buffer->end_date > 0 )
p_buffer->end_date =
input_clock_GetTS( p_clock, pi_rate,
i_ts_delay, p_buffer->end_date + i_es_delay );
......@@ -820,7 +824,7 @@ static void DecoderVoutBufferFixTs( picture_t *p_picture, int *pi_rate,
if( !p_clock )
return;
if( p_picture->date )
if( p_picture->date > 0 )
p_picture->date =
input_clock_GetTS( p_clock, pi_rate,
i_ts_delay, p_picture->date + i_es_delay );
......@@ -836,12 +840,12 @@ static void DecoderSpuBufferFixTs( subpicture_t *p_subpic,
if( !p_clock )
return;
if( p_subpic->i_start )
if( p_subpic->i_start > 0 )
p_subpic->i_start =
input_clock_GetTS( p_clock, NULL,
i_ts_delay, p_subpic->i_start + i_es_delay );
if( p_subpic->i_stop )
if( p_subpic->i_stop > 0 )
p_subpic->i_stop =
input_clock_GetTS( p_clock, NULL,
i_ts_delay, p_subpic->i_stop + i_es_delay );
......@@ -966,7 +970,7 @@ static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
assert( p_dec_cc->pf_get_cc != NULL );
/* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
if( !p_owner->b_cc_supported )
if( !p_owner->cc.b_supported )
return;
p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
......@@ -976,20 +980,20 @@ static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
vlc_mutex_lock( &p_owner->lock );
for( i = 0, i_cc_decoder = 0; i < 4; i++ )
{
p_owner->pb_cc_present[i] |= pb_present[i];
if( p_owner->pp_cc[i] )
p_owner->cc.pb_present[i] |= pb_present[i];
if( p_owner->cc.pp_decoder[i] )
i_cc_decoder++;
}
for( i = 0; i < 4; i++ )
{
if( !p_owner->pp_cc[i] )
if( !p_owner->cc.pp_decoder[i] )
continue;
if( i_cc_decoder > 1 )
DecoderDecode( p_owner->pp_cc[i], block_Duplicate( p_cc ) );
DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
else
DecoderDecode( p_owner->pp_cc[i], p_cc );
DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
i_cc_decoder--;
}
vlc_mutex_unlock( &p_owner->lock );
......@@ -1242,242 +1246,275 @@ static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
}
}
/**
* Decode a block
*
* \param p_dec the decoder object
* \param p_block the block to decode
* \return VLC_SUCCESS or an error code
/* This function process a block for sout
*/
static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
{
decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
const bool b_telx = p_dec->fmt_in.i_codec == VLC_FOURCC('t','e','l','x');
block_t *p_sout_block;
if( p_block && p_block->i_buffer <= 0 )
while( ( p_sout_block =
p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
{
block_Release( p_block );
return VLC_SUCCESS;
}
#ifdef ENABLE_SOUT
if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
{
block_t *p_sout_block;
while( ( p_sout_block =
p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
if( !p_owner->p_sout_input )
{
if( !p_owner->p_sout_input )
es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
p_owner->sout.i_group = p_dec->fmt_in.i_group;
p_owner->sout.i_id = p_dec->fmt_in.i_id;
if( p_dec->fmt_in.psz_language )
{
es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
if( p_owner->sout.psz_language )
free( p_owner->sout.psz_language );
p_owner->sout.psz_language =
strdup( p_dec->fmt_in.psz_language );
}
p_owner->sout.i_group = p_dec->fmt_in.i_group;
p_owner->sout.i_id = p_dec->fmt_in.i_id;
if( p_dec->fmt_in.psz_language )
{
if( p_owner->sout.psz_language )
free( p_owner->sout.psz_language );
p_owner->sout.psz_language =
strdup( p_dec->fmt_in.psz_language );
}
p_owner->p_sout_input =
sout_InputNew( p_owner->p_sout,
&p_owner->sout );
p_owner->p_sout_input =
sout_InputNew( p_owner->p_sout,
&p_owner->sout );
if( p_owner->p_sout_input == NULL )
{
msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
(char *)&p_owner->sout.i_codec );
p_dec->b_error = true;
if( p_owner->p_sout_input == NULL )
while( p_sout_block )
{
msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
(char *)&p_owner->sout.i_codec );
p_dec->b_error = true;
while( p_sout_block )
{
block_t *p_next = p_sout_block->p_next;
block_Release( p_sout_block );
p_sout_block = p_next;
}
break;
block_t *p_next = p_sout_block->p_next;
block_Release( p_sout_block );
p_sout_block = p_next;
}
break;
}
}
while( p_sout_block )
{
block_t *p_next = p_sout_block->p_next;
while( p_sout_block )
{
block_t *p_next = p_sout_block->p_next;
p_sout_block->p_next = NULL;
p_sout_block->p_next = NULL;
DecoderWaitUnpause( p_dec );
DecoderWaitUnpause( p_dec );
mtime_t i_ts_delay;
mtime_t i_es_delay;
DecoderGetDelays( p_dec, &i_ts_delay, &i_es_delay );
mtime_t i_ts_delay;
mtime_t i_es_delay;
DecoderGetDelays( p_dec, &i_ts_delay, &i_es_delay );
DecoderSoutBufferFixTs( p_sout_block, p_owner->p_clock,
i_ts_delay, i_es_delay, b_telx );
DecoderSoutBufferFixTs( p_sout_block, p_owner->p_clock,
i_ts_delay, i_es_delay, b_telx );
sout_InputSendBuffer( p_owner->p_sout_input,
p_sout_block );
sout_InputSendBuffer( p_owner->p_sout_input,
p_sout_block );
p_sout_block = p_next;
}
p_sout_block = p_next;
}
/* For now it's enough, as only sout impact on this flag */
if( p_owner->p_sout->i_out_pace_nocontrol > 0 &&
p_owner->p_input->p->b_out_pace_control )
{
msg_Dbg( p_dec, "switching to sync mode" );
p_owner->p_input->p->b_out_pace_control = false;
}
else if( p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
!p_owner->p_input->p->b_out_pace_control )
{
msg_Dbg( p_dec, "switching to async mode" );
p_owner->p_input->p->b_out_pace_control = true;
}
/* For now it's enough, as only sout impact on this flag */
if( p_owner->p_sout->i_out_pace_nocontrol > 0 &&
p_owner->p_input->p->b_out_pace_control )
{
msg_Dbg( p_dec, "switching to sync mode" );
p_owner->p_input->p->b_out_pace_control = false;
}
else if( p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
!p_owner->p_input->p->b_out_pace_control )
{
msg_Dbg( p_dec, "switching to async mode" );
p_owner->p_input->p->b_out_pace_control = true;
}
}
else
#endif
if( p_dec->fmt_in.i_cat == AUDIO_ES )
}
/* This function process a video block
*/
static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block )
{
decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
if( p_block )
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
if( p_owner->p_packetizer )
{
if( p_block )
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
block_t *p_packetized_block;
decoder_t *p_packetizer = p_owner->p_packetizer;
if( p_owner->p_packetizer )
while( (p_packetized_block =
p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
{
block_t *p_packetized_block;
decoder_t *p_packetizer = p_owner->p_packetizer;
while( (p_packetized_block =
p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
{
if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
{
es_format_Clean( &p_dec->fmt_in );
es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
}
es_format_Clean( &p_dec->fmt_in );
es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
}
if( p_packetizer->pf_get_cc )
DecoderGetCc( p_dec, p_packetizer );
while( p_packetized_block )
{
block_t *p_next = p_packetized_block->p_next;
p_packetized_block->p_next = NULL;
while( p_packetized_block )
{
block_t *p_next = p_packetized_block->p_next;
p_packetized_block->p_next = NULL;
DecoderDecodeAudio( p_dec, p_packetized_block );
DecoderDecodeVideo( p_dec, p_packetized_block );
p_packetized_block = p_next;
}
p_packetized_block = p_next;
}
}
else if( p_block )
{
DecoderDecodeAudio( p_dec, p_block );
}
}
else if( p_dec->fmt_in.i_cat == VIDEO_ES )
else if( p_block )
{
if( p_block )
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
DecoderDecodeVideo( p_dec, p_block );
}
}
if( p_owner->p_packetizer )
{
block_t *p_packetized_block;
decoder_t *p_packetizer = p_owner->p_packetizer;
/* This function process a audio block
*/
static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block )
{
decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
if( p_block )
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
if( p_owner->p_packetizer )
{
block_t *p_packetized_block;
decoder_t *p_packetizer = p_owner->p_packetizer;
while( (p_packetized_block =
p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
while( (p_packetized_block =
p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
{
if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
{
if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
{
es_format_Clean( &p_dec->fmt_in );
es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
}
if( p_packetizer->pf_get_cc )
DecoderGetCc( p_dec, p_packetizer );
es_format_Clean( &p_dec->fmt_in );
es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
}
while( p_packetized_block )
{
block_t *p_next = p_packetized_block->p_next;
p_packetized_block->p_next = NULL;
while( p_packetized_block )
{
block_t *p_next = p_packetized_block->p_next;
p_packetized_block->p_next = NULL;
DecoderDecodeVideo( p_dec, p_packetized_block );
DecoderDecodeAudio( p_dec, p_packetized_block );
p_packetized_block = p_next;
}
p_packetized_block = p_next;
}
}
else if( p_block )
{
DecoderDecodeVideo( p_dec, p_block );
}
}
else if( p_dec->fmt_in.i_cat == SPU_ES )
else if( p_block )
{
input_thread_t *p_input = p_owner->p_input;
vout_thread_t *p_vout;
subpicture_t *p_spu;
bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
bool b_flush = false;
DecoderDecodeAudio( p_dec, p_block );
}
}
if( p_block )
{
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
b_flush = (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH) != 0;
}
/* This function process a subtitle block
*/
static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block )
{
decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
const bool b_telx = p_dec->fmt_in.i_codec == VLC_FOURCC('t','e','l','x');
if( !b_flushing && b_flush && p_owner->p_spu_vout )
{
p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
input_thread_t *p_input = p_owner->p_input;
vout_thread_t *p_vout;
subpicture_t *p_spu;
bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
bool b_flush = false;
if( p_vout && p_owner->p_spu_vout == p_vout )
spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
p_owner->i_spu_channel );
if( p_block )
{
DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
b_flush = (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH) != 0;
}
if( p_vout )
vlc_object_release( p_vout );
}
if( !b_flushing && b_flush && p_owner->p_spu_vout )
{
p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
{
vlc_mutex_lock( &p_input->p->counters.counters_lock );
stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
vlc_mutex_unlock( &p_input->p->counters.counters_lock );
if( p_vout && p_owner->p_spu_vout == p_vout )
spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
p_owner->i_spu_channel );
p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
if( p_vout && p_owner->p_spu_vout == p_vout )
{
/* Preroll does not work very well with subtitle */
if( p_spu->i_start > 0 &&
p_spu->i_start < p_owner->i_preroll_end &&
( p_spu->i_stop <= 0 || p_spu->i_stop < p_owner->i_preroll_end ) )
{
subpicture_Delete( p_spu );
}
else
{
DecoderWaitUnpause( p_dec );
if( p_vout )
vlc_object_release( p_vout );
}
mtime_t i_ts_delay;
mtime_t i_es_delay;
DecoderGetDelays( p_dec, &i_ts_delay, &i_es_delay );
while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
{
vlc_mutex_lock( &p_input->p->counters.counters_lock );
stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
vlc_mutex_unlock( &p_input->p->counters.counters_lock );
DecoderSpuBufferFixTs( p_spu, p_owner->p_clock, i_ts_delay, i_es_delay, b_telx );
spu_DisplaySubpicture( p_vout->p_spu, p_spu );
}
p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
if( p_vout && p_owner->p_spu_vout == p_vout )
{
/* Preroll does not work very well with subtitle */
if( p_spu->i_start > 0 &&
p_spu->i_start < p_owner->i_preroll_end &&
( p_spu->i_stop <= 0 || p_spu->i_stop < p_owner->i_preroll_end ) )
{
subpicture_Delete( p_spu );
}
else
{
msg_Warn( p_dec, "no vout found, leaking subpicture" );
DecoderWaitUnpause( p_dec );
mtime_t i_ts_delay;
mtime_t i_es_delay;
DecoderGetDelays( p_dec, &i_ts_delay, &i_es_delay );
DecoderSpuBufferFixTs( p_spu, p_owner->p_clock, i_ts_delay, i_es_delay, b_telx );
spu_DisplaySubpicture( p_vout->p_spu, p_spu );
}
if( p_vout )
vlc_object_release( p_vout );
}
else
{
msg_Warn( p_dec, "no vout found, leaking subpicture" );
}
if( p_vout )
vlc_object_release( p_vout );
}
}
/**
* Decode a block
*
* \param p_dec the decoder object
* \param p_block the block to decode
* \return VLC_SUCCESS or an error code
*/
static int DecoderProcess( decoder_t *p_dec, block_t *p_block )
{
if( p_block && p_block->i_buffer <= 0 )
{
block_Release( p_block );
return VLC_SUCCESS;
}
#ifdef ENABLE_SOUT
if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
{
DecoderProcessSout( p_dec, p_block );
}
else
#endif
if( p_dec->fmt_in.i_cat == AUDIO_ES )
{
DecoderProcessAudio( p_dec, p_block );
}
else if( p_dec->fmt_in.i_cat == VIDEO_ES )
{
DecoderProcessVideo( p_dec, p_block );
}
else if( p_dec->fmt_in.i_cat == SPU_ES )
{
DecoderProcessSpu( p_dec, p_block );
}
else
{
msg_Err( p_dec, "unknown ES format" );
p_dec->b_error = 1;
p_dec->b_error = true;
}
return p_dec->b_error ? VLC_EGENERIC : VLC_SUCCESS;
......
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