Commit 11c4b8c7 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

* Hugly hack: break huge block of samples into smaller ones else

some avi/mov file with raw audio can't be played, *BUT* it's not the
good fix (as the problem seems to be elsewhere).
parent 9a1b736f
......@@ -2,15 +2,15 @@
* araw.c: Pseudo audio decoder; for raw pcm data
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: araw.c,v 1.11 2003/01/07 21:49:01 fenrir Exp $
* $Id: araw.c,v 1.12 2003/03/11 06:14:16 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
......@@ -39,15 +39,14 @@
typedef struct adec_thread_s
{
WAVEFORMATEX *p_wf;
//waveformatex_t format;
/* The bit stream structure handles the PES stream at the bit level */
// bit_stream_t bit_stream;
/* Input properties */
decoder_fifo_t *p_fifo;
int16_t *p_logtos16; // used with m/alaw to s16
/* Output properties */
aout_instance_t * p_aout; /* opaque */
aout_input_t * p_aout_input; /* opaque */
......@@ -70,23 +69,12 @@ static void EndThread ( adec_thread_t * );
*****************************************************************************/
vlc_module_begin();
set_description( _("Pseudo Raw Audio decoder") );
set_description( _("Pseudo Raw/Log Audio decoder") );
set_capability( "decoder", 50 );
set_callbacks( OpenDecoder, NULL );
vlc_module_end();
static int pi_channels_maps[6] =
{
0,
AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT
};
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
......@@ -96,20 +84,107 @@ static int pi_channels_maps[6] =
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_fifo_t *p_fifo = (decoder_fifo_t*) p_this;
switch( p_fifo->i_fourcc )
{
case VLC_FOURCC('a','r','a','w'):
case VLC_FOURCC('t','w','o','s'): /* for mov file */
{
case VLC_FOURCC('a','r','a','w'): /* from wav/avi/asf file */
case VLC_FOURCC('t','w','o','s'): /* _signed_ big endian samples (mov)*/
case VLC_FOURCC('s','o','w','t'): /* _signed_ little endian samples (mov)*/
case VLC_FOURCC('a','l','a','w'):
case VLC_FOURCC('u','l','a','w'):
p_fifo->pf_run = RunDecoder;
return VLC_SUCCESS;
default:
return VLC_EGENERIC;
}
}
static int pi_channels_maps[6] =
{
0,
AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARLEFT
};
static int16_t ulawtos16[256] =
{
-32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956,
-23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764,
-15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412,
-11900, -11388, -10876, -10364, -9852, -9340, -8828, -8316,
-7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
-5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
-3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
-2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
-1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
-1372, -1308, -1244, -1180, -1116, -1052, -988, -924,
-876, -844, -812, -780, -748, -716, -684, -652,
-620, -588, -556, -524, -492, -460, -428, -396,
-372, -356, -340, -324, -308, -292, -276, -260,
-244, -228, -212, -196, -180, -164, -148, -132,
-120, -112, -104, -96, -88, -80, -72, -64,
-56, -48, -40, -32, -24, -16, -8, 0,
32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316,
7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140,
5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092,
3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004,
2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980,
1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436,
1372, 1308, 1244, 1180, 1116, 1052, 988, 924,
876, 844, 812, 780, 748, 716, 684, 652,
620, 588, 556, 524, 492, 460, 428, 396,
372, 356, 340, 324, 308, 292, 276, 260,
244, 228, 212, 196, 180, 164, 148, 132,
120, 112, 104, 96, 88, 80, 72, 64,
56, 48, 40, 32, 24, 16, 8, 0
};
static int16_t alawtos16[256] =
{
-5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
-2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
-3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
-22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944,
-30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136,
-11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472,
-15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568,
-344, -328, -376, -360, -280, -264, -312, -296,
-472, -456, -504, -488, -408, -392, -440, -424,
-88, -72, -120, -104, -24, -8, -56, -40,
-216, -200, -248, -232, -152, -136, -184, -168,
-1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
-1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
-688, -656, -752, -720, -560, -528, -624, -592,
-944, -912, -1008, -976, -816, -784, -880, -848,
5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,
7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,
2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,
3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,
22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,
15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
344, 328, 376, 360, 280, 264, 312, 296,
472, 456, 504, 488, 408, 392, 440, 424,
88, 72, 120, 104, 24, 8, 56, 40,
216, 200, 248, 232, 152, 136, 184, 168,
1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,
1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,
688, 656, 752, 720, 560, 528, 624, 592,
944, 912, 1008, 976, 816, 784, 880, 848
};
/*****************************************************************************
* RunDecoder: this function is called just after the thread is created
*****************************************************************************/
......@@ -125,7 +200,7 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
return( -1 );
}
memset( p_adec, 0, sizeof( adec_thread_t ) );
p_adec->p_fifo = p_fifo;
if( InitThread( p_adec ) != 0 )
......@@ -163,34 +238,10 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
( *(u8*)(p) + ( *((u8*)(p)+1) << 8 ) + \
( *((u8*)(p)+2) << 16 ) + ( *((u8*)(p)+3) << 24 ) )
#if 0
static void GetWaveFormatEx( waveformatex_t *p_wh,
u8 *p_data )
{
p_wh->i_formattag = GetWLE( p_data );
p_wh->i_channels = GetWLE( p_data + 2 );
p_wh->i_samplespersec = GetDWLE( p_data + 4 );
p_wh->i_avgbytespersec= GetDWLE( p_data + 8 );
p_wh->i_blockalign = GetWLE( p_data + 12 );
p_wh->i_bitspersample = GetWLE( p_data + 14 );
if( p_wh->i_formattag != 1 )
{
p_wh->i_size = GetWLE( p_data + 16 );
if( p_wh->i_size )
{
p_wh->p_data = malloc( p_wh->i_size );
memcpy( p_wh->p_data, p_data + 18, p_wh->i_size );
}
}
}
#endif
/*****************************************************************************
* InitThread: initialize data before entering main loop
*****************************************************************************/
static int InitThread( adec_thread_t * p_adec )
{
if( ( p_adec->p_wf = (WAVEFORMATEX*)p_adec->p_fifo->p_waveformatex ) == NULL )
......@@ -200,11 +251,12 @@ static int InitThread( adec_thread_t * p_adec )
}
/* fixing some values */
if( p_adec->p_wf->wFormatTag == WAVE_FORMAT_PCM &&
if( ( p_adec->p_wf->wFormatTag == WAVE_FORMAT_PCM ||
p_adec->p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT )&&
!p_adec->p_wf->nBlockAlign )
{
p_adec->p_wf->nBlockAlign =
p_adec->p_wf->nChannels *
p_adec->p_wf->nBlockAlign =
p_adec->p_wf->nChannels *
( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 );
}
......@@ -212,38 +264,112 @@ static int InitThread( adec_thread_t * p_adec )
"raw format: samplerate:%dHz channels:%d bits/sample:%d blockalign:%d",
p_adec->p_wf->nSamplesPerSec,
p_adec->p_wf->nChannels,
p_adec->p_wf->wBitsPerSample,
p_adec->p_wf->wBitsPerSample,
p_adec->p_wf->nBlockAlign );
/* Initialize the thread properties */
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
p_adec->p_logtos16 = NULL;
if( p_adec->p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT )
{
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','l');
break;
case( 3 ):
p_adec->output_format.i_format = VLC_FOURCC('s','2','4','l');
break;
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('s','3','2','l');
break;
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('u','8',' ',' ');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('f','l','3','2');
break;
case( 8 ):
p_adec->output_format.i_format = VLC_FOURCC('f','l','6','4');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
}
}
else
{
if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 't', 'w', 'o', 's' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','b');
break;
case( 3 ):
p_adec->output_format.i_format = VLC_FOURCC('s','2','4','b');
break;
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('s','3','2','b');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 's', 'o', 'w', 't' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','l');
break;
case( 3 ):
p_adec->output_format.i_format = VLC_FOURCC('s','2','4','l');
break;
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('s','3','2','l');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'a', 'r', 'a', 'w' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('u','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','l');
break;
case( 3 ):
p_adec->output_format.i_format = VLC_FOURCC('s','2','4','l');
break;
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('s','3','2','l');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'a', 'l', 'a', 'w' ) )
{
p_adec->output_format.i_format = AOUT_FMT_S16_NE;
p_adec->p_logtos16 = alawtos16;
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'u', 'l', 'a', 'w' ) )
{
p_adec->output_format.i_format = AOUT_FMT_S16_NE;
p_adec->p_logtos16 = ulawtos16;
}
}
p_adec->output_format.i_rate = p_adec->p_wf->nSamplesPerSec;
if( p_adec->p_wf->nChannels <= 0 ||
if( p_adec->p_wf->nChannels <= 0 ||
p_adec->p_wf->nChannels > 5 )
{
msg_Err( p_adec->p_fifo, "bad channels count(1-5)" );
return( -1 );
}
p_adec->output_format.i_physical_channels =
p_adec->output_format.i_physical_channels =
p_adec->output_format.i_original_channels =
pi_channels_maps[p_adec->p_wf->nChannels];
p_adec->p_aout = NULL;
......@@ -280,7 +406,7 @@ static void GetPESData( u8 *p_buf, int i_max, pes_packet_t *p_pes )
{
i_copy = __MIN( p_data->p_payload_end - p_data->p_payload_start, i_max - i_count );
if( i_copy > 0 )
{
memcpy( p_buf,
......@@ -307,7 +433,7 @@ static void DecodeThread( adec_thread_t *p_adec )
aout_buffer_t *p_aout_buffer;
int i_samples; // per channels
int i_size;
uint8_t *p_data;
pes_packet_t *p_pes;
/* **** get samples count **** */
......@@ -330,15 +456,15 @@ static void DecodeThread( adec_thread_t *p_adec )
msg_Err( p_adec->p_fifo, "infinite loop..." );
return;
}
i_samples = i_size /
( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 ) /
i_samples = i_size /
( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 ) /
p_adec->p_wf->nChannels;
// msg_Warn( p_adec->p_fifo, "got %d samples (%d bytes)", i_samples, i_size );
p_adec->pts = p_pes->i_pts;
/* **** Now we can output these samples **** */
if( p_adec->pts != 0 && p_adec->pts != aout_DateGet( &p_adec->date ) )
{
aout_DateSet( &p_adec->date, p_adec->pts );
......@@ -348,24 +474,53 @@ static void DecodeThread( adec_thread_t *p_adec )
return;
}
p_aout_buffer = aout_DecNewBuffer( p_adec->p_aout,
p_adec->p_aout_input,
i_samples );
if( !p_aout_buffer )
/* gather data */
p_data = alloca( i_size );
GetPESData( p_data, i_size, p_pes );
while( i_samples > 0 )
{
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,
i_samples );
int i_copy;
GetPESData( p_aout_buffer->p_buffer, p_aout_buffer->i_nb_bytes, p_pes );
i_copy = __MIN( i_samples, 1024 );
p_aout_buffer = aout_DecNewBuffer( p_adec->p_aout,
p_adec->p_aout_input,
i_copy );
if( !p_aout_buffer )
{
msg_Err( p_adec->p_fifo, "cannot get aout buffer" );
p_adec->p_fifo->b_error = 1;
return;
}
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,
i_copy );
if( p_adec->p_logtos16 )
{
int16_t *s = (int16_t*)p_aout_buffer->p_buffer;
int i;
for( i = 0; i < p_aout_buffer->i_nb_bytes; i++ )
{
*s++ = p_adec->p_logtos16[*p_data++];
}
}
else
{
memcpy( p_aout_buffer->p_buffer,
p_data,
p_aout_buffer->i_nb_bytes );
p_data += p_aout_buffer->i_nb_bytes;
}
aout_DecPlay( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
i_samples -= i_copy;
}
input_DeletePES( p_adec->p_fifo->p_packets_mgt, p_pes );
}
......@@ -382,7 +537,7 @@ static void EndThread (adec_thread_t *p_adec)
}
msg_Dbg( p_adec->p_fifo, "raw audio decoder closed" );
free( p_adec );
}
......
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