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vlc-2-2
Commit 5c196547 authored by Laurent Aimar's avatar Laurent Aimar
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* faad: can read stream with multiple frames per pes_packet_t (for mkv).

parent 57b971e9
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Showing with 97 additions and 87 deletions
modules/codec/faad/decoder.c
View file @ 5c196547
......@@ -2,7 +2,7 @@
* decoder.c: AAC decoder using libfaad2
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: decoder.c,v 1.24 2003/06/14 22:14:16 hartman Exp $
* $Id: decoder.c,v 1.25 2003/06/22 08:49:11 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -120,14 +120,17 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
return( 0 );
}
static unsigned int pi_channels_maps[6] =
static unsigned int pi_channels_maps[7] =
{
0,
AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
/* FIXME */
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_REARCENTER,
};
#define FREE( p ) if( p != NULL ) free( p ); p = NULL
......@@ -316,6 +319,7 @@ static void DecodeThread( adec_thread_t *p_adec )
faacDecFrameInfo faad_frame;
int i_frame_size;
pes_packet_t *p_pes;
int i_used;
/* **** Get a new frames from streams **** */
do
......@@ -346,104 +350,110 @@ static void DecodeThread( adec_thread_t *p_adec )
input_DeletePES( p_adec->p_fifo->p_packets_mgt, p_pes );
} while( i_frame_size <= 0 );
/* **** decode this frame **** */
i_used = 0;
while( i_used < i_frame_size )
{
/* **** decode this frame **** */
#ifdef HAVE_OLD_FAAD2
p_faad_buffer = faacDecDecode( p_adec->p_handle,
&faad_frame,
p_adec->p_buffer );
p_faad_buffer = faacDecDecode( p_adec->p_handle,
&faad_frame,
&p_adec->p_buffer[i_used] );
#else
p_faad_buffer = faacDecDecode( p_adec->p_handle,
&faad_frame,
p_adec->p_buffer,
i_frame_size );
p_faad_buffer = faacDecDecode( p_adec->p_handle,
&faad_frame,
&p_adec->p_buffer[i_used],
i_frame_size - i_used );
#endif
/* **** some sanity checks to see if we have samples to out **** */
if( faad_frame.error > 0 )
{
msg_Warn( p_adec->p_fifo, "%s",
faacDecGetErrorMessage(faad_frame.error) );
return;
}
if( ( faad_frame.channels <= 0 )||
( faad_frame.channels > AAC_MAXCHANNELS) ||
( faad_frame.channels > 5 ) )
{
msg_Warn( p_adec->p_fifo,
"invalid channels count(%d)", faad_frame.channels );
return;
}
if( faad_frame.samples <= 0 )
{
msg_Warn( p_adec->p_fifo, "decoded zero sample !" );
return;
}
/* **** some sanity checks to see if we have samples to out **** */
if( faad_frame.error > 0 )
{
msg_Warn( p_adec->p_fifo, "%s",
faacDecGetErrorMessage(faad_frame.error) );
return;
}
if( ( faad_frame.channels <= 0 )||
( faad_frame.channels > AAC_MAXCHANNELS) ||
( faad_frame.channels > 6 ) )
{
msg_Warn( p_adec->p_fifo,
"invalid channels count(%d)", faad_frame.channels );
return;
}
if( faad_frame.samples <= 0 )
{
msg_Warn( p_adec->p_fifo, "decoded zero sample !" );
return;
}
#if 0
msg_Dbg( p_adec->p_fifo,
"decoded frame samples:%d, channels:%d, consumed:%d",
faad_frame.samples,
faad_frame.channels,
faad_frame.bytesconsumed );
msg_Dbg( p_adec->p_fifo,
"decoded frame samples:%d, channels:%d, consumed:%d",
faad_frame.samples,
faad_frame.channels,
faad_frame.bytesconsumed );
#endif
i_used += faad_frame.bytesconsumed;
/* **** Now we can output these samples **** */
/* **** Now we can output these samples **** */
/* **** First check if we have a valid output **** */
if( ( !p_adec->p_aout_input )||
( p_adec->output_format.i_original_channels !=
pi_channels_maps[faad_frame.channels] ) )
{
if( p_adec->p_aout_input )
/* **** First check if we have a valid output **** */
if( ( !p_adec->p_aout_input )||
( p_adec->output_format.i_original_channels !=
pi_channels_maps[faad_frame.channels] ) )
{
/* **** Delete the old **** */
aout_DecDelete( p_adec->p_aout, p_adec->p_aout_input );
}
if( p_adec->p_aout_input )
{
/* **** Delete the old **** */
aout_DecDelete( p_adec->p_aout, p_adec->p_aout_input );
}
/* **** Create a new audio output **** */
p_adec->output_format.i_physical_channels =
p_adec->output_format.i_original_channels =
pi_channels_maps[faad_frame.channels];
/* **** Create a new audio output **** */
p_adec->output_format.i_physical_channels =
p_adec->output_format.i_original_channels =
pi_channels_maps[faad_frame.channels];
aout_DateInit( &p_adec->date, p_adec->output_format.i_rate );
p_adec->p_aout_input = aout_DecNew( p_adec->p_fifo,
&p_adec->p_aout,
&p_adec->output_format );
}
aout_DateInit( &p_adec->date, p_adec->output_format.i_rate );
p_adec->p_aout_input = aout_DecNew( p_adec->p_fifo,
&p_adec->p_aout,
&p_adec->output_format );
}
if( !p_adec->p_aout_input )
{
msg_Err( p_adec->p_fifo, "cannot create aout" );
return;
}
if( !p_adec->p_aout_input )
{
msg_Err( p_adec->p_fifo, "cannot create aout" );
return;
}
if( p_adec->pts != 0 && p_adec->pts != aout_DateGet( &p_adec->date ) )
{
aout_DateSet( &p_adec->date, p_adec->pts );
}
else if( !aout_DateGet( &p_adec->date ) )
{
return;
}
if( p_adec->pts != 0 && p_adec->pts != aout_DateGet( &p_adec->date ) )
{
aout_DateSet( &p_adec->date, p_adec->pts );
}
else if( !aout_DateGet( &p_adec->date ) )
{
return;
}
p_aout_buffer = aout_DecNewBuffer( p_adec->p_aout,
p_adec->p_aout_input,
faad_frame.samples / faad_frame.channels );
if( !p_aout_buffer )
{
msg_Err( p_adec->p_fifo, "cannot get aout buffer" );
p_adec->p_fifo->b_error = 1;
return;
p_aout_buffer = aout_DecNewBuffer( p_adec->p_aout,
p_adec->p_aout_input,
faad_frame.samples / faad_frame.channels );
if( !p_aout_buffer )
{
msg_Err( p_adec->p_fifo, "cannot get aout buffer" );
p_adec->p_fifo->b_error = 1;
return;
}
p_aout_buffer->start_date = aout_DateGet( &p_adec->date );
p_aout_buffer->end_date = aout_DateIncrement( &p_adec->date,
faad_frame.samples /
faad_frame.channels );
memcpy( p_aout_buffer->p_buffer,
p_faad_buffer,
p_aout_buffer->i_nb_bytes );
aout_DecPlay( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
}
p_aout_buffer->start_date = aout_DateGet( &p_adec->date );
p_aout_buffer->end_date = aout_DateIncrement( &p_adec->date,
faad_frame.samples /
faad_frame.channels );
memcpy( p_aout_buffer->p_buffer,
p_faad_buffer,
p_aout_buffer->i_nb_bytes );
aout_DecPlay( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
}
......
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