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vlc-1.1
Commit 2069ebe6 authored by Laurent Aimar's avatar Laurent Aimar
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* araw: ported to new API.

parent 689e6f40
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Showing with 129 additions and 238 deletions
modules/codec/araw.c
View file @ 2069ebe6
/*****************************************************************************
* araw.c: Pseudo audio decoder; for raw pcm data
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: araw.c,v 1.20 2003/11/01 06:56:29 fenrir Exp $
* Copyright (C) 2001, 2003 VideoLAN
* $Id: araw.c,v 1.21 2003/11/04 01:27:33 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -26,12 +26,12 @@
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/aout.h>
#include <vlc/decoder.h>
#include <vlc/input.h>
#include <vlc/sout.h>
#include "aout_internal.h"
#include "codecs.h"
......@@ -45,7 +45,7 @@ static void EncoderClose ( vlc_object_t *p_this );
vlc_module_begin();
/* audio decoder module */
set_description( _("Pseudo Raw/Log Audio decoder") );
set_description( _("Raw/Log Audio decoder") );
set_capability( "decoder", 50 );
set_callbacks( DecoderOpen, NULL );
......@@ -60,13 +60,14 @@ vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int DecoderInit ( decoder_t * );
static int DecoderDecode( decoder_t *, block_t * );
static int DecoderEnd ( decoder_t * );
typedef struct
struct decoder_sys_t
{
WAVEFORMATEX *p_wf;
/* Input properties */
decoder_fifo_t *p_fifo;
int16_t *p_logtos16; // used with m/alaw to int16_t
/* Output properties */
......@@ -75,18 +76,10 @@ typedef struct
audio_sample_format_t output_format;
audio_date_t date;
mtime_t pts;
} adec_thread_t;
static int RunDecoder ( decoder_fifo_t * );
static int InitThread ( adec_thread_t * );
static void DecodeThread ( adec_thread_t * );
static void EndThread ( adec_thread_t * );
};
static block_t *EncoderEncode( encoder_t *p_enc, aout_buffer_t *p_aout_buf );
static block_t *EncoderEncode( encoder_t *, aout_buffer_t *p_aout_buf );
/*****************************************************************************
* DecoderOpen: probe the decoder and return score
......@@ -106,7 +99,11 @@ static int DecoderOpen( vlc_object_t *p_this )
case VLC_FOURCC('a','l','a','w'):
case VLC_FOURCC('u','l','a','w'):
p_dec->pf_run = RunDecoder;
p_dec->pf_init = DecoderInit;
p_dec->pf_decode = DecoderDecode;
p_dec->pf_end = DecoderEnd;
p_dec->p_sys = malloc( sizeof( decoder_sys_t ) );
return VLC_SUCCESS;
default:
......@@ -198,348 +195,242 @@ static int16_t alawtos16[256] =
};
/*****************************************************************************
* RunDecoder: this function is called just after the thread is created
* DecoderInit: initialize data before entering main loop
*****************************************************************************/
static int RunDecoder( decoder_fifo_t *p_fifo )
static int DecoderInit( decoder_t *p_dec )
{
adec_thread_t *p_adec;
int b_error;
decoder_sys_t *p_sys = p_dec->p_sys;
if( !( p_adec = malloc( sizeof( adec_thread_t ) ) ) )
WAVEFORMATEX *p_wf;
if( ( p_wf = (WAVEFORMATEX*)p_dec->p_fifo->p_waveformatex ) == NULL )
{
msg_Err( p_fifo, "out of memory" );
DecoderError( p_fifo );
return( -1 );
}
memset( p_adec, 0, sizeof( adec_thread_t ) );
p_adec->p_fifo = p_fifo;
if( InitThread( p_adec ) != 0 )
{
DecoderError( p_fifo );
return( -1 );
msg_Err( p_dec, "unknown raw format" );
return VLC_EGENERIC;
}
while( ( !p_adec->p_fifo->b_die )&&( !p_adec->p_fifo->b_error ) )
if( p_wf->nChannels <= 0 || p_wf->nChannels > 5 )
{
DecodeThread( p_adec );
msg_Err( p_dec, "bad channels count(1-5)" );
return VLC_EGENERIC;
}
if( ( b_error = p_adec->p_fifo->b_error ) )
if( p_wf->nSamplesPerSec <= 0 )
{
DecoderError( p_adec->p_fifo );
}
msg_Err( p_dec, "bad samplerate" );
return VLC_EGENERIC;
EndThread( p_adec );
if( b_error )
{
return( -1 );
}
return( 0 );
}
#define FREE( p ) if( p ) free( p ); p = NULL
/*****************************************************************************
* 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 )
{
msg_Err( p_adec->p_fifo, "unknown raw format" );
return( -1 );
}
p_sys->p_wf = p_wf;
p_sys->p_logtos16 = NULL;
/* fixing some values */
if( ( p_adec->p_wf->wFormatTag == WAVE_FORMAT_PCM ||
p_adec->p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT )&&
!p_adec->p_wf->nBlockAlign )
if( p_wf->nBlockAlign == 0 &&
( p_wf->wFormatTag == WAVE_FORMAT_PCM ||
p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ) )
{
p_adec->p_wf->nBlockAlign =
p_adec->p_wf->nChannels *
( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 );
p_wf->nBlockAlign = ( p_wf->wBitsPerSample + 7 ) / 8 * p_wf->nChannels;
}
msg_Dbg( p_adec->p_fifo,
"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->nBlockAlign );
/* Initialize the thread properties */
p_adec->p_logtos16 = NULL;
if( p_adec->p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT )
msg_Dbg( p_dec,
"samplerate:%dHz channels:%d bits/sample:%d blockalign:%d",
p_wf->nSamplesPerSec, p_wf->nChannels,
p_wf->wBitsPerSample, p_wf->nBlockAlign );
if( p_wf->wFormatTag == WAVE_FORMAT_IEEE_FLOAT )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
switch( ( p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 4 ):
p_adec->output_format.i_format = VLC_FOURCC('f','l','3','2');
p_sys->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');
p_sys->output_format.i_format = VLC_FOURCC('f','l','6','4');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
msg_Err( p_dec, "bad parameters(bits/sample)" );
return VLC_EGENERIC;
}
}
else
{
if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 't', 'w', 'o', 's' ) )
if( p_dec->p_fifo->i_fourcc == VLC_FOURCC( 't', 'w', 'o', 's' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
switch( ( p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
p_sys->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','b');
p_sys->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');
p_sys->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');
p_sys->output_format.i_format = VLC_FOURCC('s','3','2','b');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
msg_Err( p_dec, "bad parameters(bits/sample)" );
return VLC_EGENERIC;
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 's', 'o', 'w', 't' ) )
else if( p_dec->p_fifo->i_fourcc == VLC_FOURCC( 's', 'o', 'w', 't' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
switch( ( p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
p_sys->output_format.i_format = VLC_FOURCC('s','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','l');
p_sys->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');
p_sys->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');
p_sys->output_format.i_format = VLC_FOURCC('s','3','2','l');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
msg_Err( p_dec, "bad parameters(bits/sample)" );
return VLC_EGENERIC;
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'a', 'r', 'a', 'w' ) )
else if( p_dec->p_fifo->i_fourcc == VLC_FOURCC( 'a', 'r', 'a', 'w' ) )
{
switch( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 )
switch( ( p_wf->wBitsPerSample + 7 ) / 8 )
{
case( 1 ):
p_adec->output_format.i_format = VLC_FOURCC('u','8',' ',' ');
p_sys->output_format.i_format = VLC_FOURCC('u','8',' ',' ');
break;
case( 2 ):
p_adec->output_format.i_format = VLC_FOURCC('s','1','6','l');
p_sys->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');
p_sys->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');
p_sys->output_format.i_format = VLC_FOURCC('s','3','2','l');
break;
default:
msg_Err( p_adec->p_fifo, "bad parameters(bits/sample)" );
return( -1 );
msg_Err( p_dec, "bad parameters(bits/sample)" );
return VLC_EGENERIC;
}
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'a', 'l', 'a', 'w' ) )
else if( p_dec->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;
p_sys->output_format.i_format = AOUT_FMT_S16_NE;
p_sys->p_logtos16 = alawtos16;
}
else if( p_adec->p_fifo->i_fourcc == VLC_FOURCC( 'u', 'l', 'a', 'w' ) )
else if( p_dec->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_sys->output_format.i_format = AOUT_FMT_S16_NE;
p_sys->p_logtos16 = ulawtos16;
}
}
p_adec->output_format.i_rate = p_adec->p_wf->nSamplesPerSec;
p_sys->output_format.i_rate = p_wf->nSamplesPerSec;
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_sys->output_format.i_physical_channels =
p_sys->output_format.i_original_channels = pi_channels_maps[p_wf->nChannels];
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;
p_adec->p_aout_input = NULL;
/* **** Create a new audio output **** */
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 )
p_sys->p_aout = NULL;
p_sys->p_aout_input = aout_DecNew( p_dec, &p_sys->p_aout,
&p_sys->output_format );
if( p_sys->p_aout_input == NULL )
{
msg_Err( p_adec->p_fifo, "cannot create aout" );
return( -1 );
msg_Err( p_dec, "cannot create aout" );
return VLC_EGENERIC;
}
return( 0 );
}
static void GetPESData( uint8_t *p_buf, int i_max, pes_packet_t *p_pes )
{
int i_copy;
int i_count;
data_packet_t *p_data;
aout_DateInit( &p_sys->date, p_sys->output_format.i_rate );
aout_DateSet( &p_sys->date, 0 );
i_count = 0;
p_data = p_pes->p_first;
while( p_data != NULL && i_count < i_max )
{
i_copy = __MIN( p_data->p_payload_end - p_data->p_payload_start,
i_max - i_count );
if( i_copy > 0 )
{
memcpy( p_buf,
p_data->p_payload_start,
i_copy );
}
p_data = p_data->p_next;
i_count += i_copy;
p_buf += i_copy;
}
if( i_count < i_max )
{
memset( p_buf, 0, i_max - i_count );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* DecodeThread: decodes a frame
* DecoderDecode: decodes a frame
*****************************************************************************/
static void DecodeThread( adec_thread_t *p_adec )
static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
{
aout_buffer_t *p_aout_buffer;
int i_samples; // per channels
int i_size;
uint8_t *p_data, *p;
pes_packet_t *p_pes;
/* **** get samples count **** */
input_ExtractPES( p_adec->p_fifo, &p_pes );
if( !p_pes )
{
p_adec->p_fifo->b_error = 1;
return;
}
i_size = p_pes->i_pes_size;
decoder_sys_t *p_sys = p_dec->p_sys;
int i_size = p_block->i_buffer;
uint8_t *p = p_block->p_buffer;
int i_samples; // per channels
if( p_adec->p_wf->nBlockAlign > 0 )
if( p_sys->p_wf->nBlockAlign > 0 )
{
i_size -= i_size % p_adec->p_wf->nBlockAlign;
/* Align it (it should already be aligned by demuxer) */
i_size -= i_size % p_sys->p_wf->nBlockAlign;
}
if( i_size <= 0 || i_size < p_adec->p_wf->nBlockAlign )
if( i_size < p_sys->p_wf->nBlockAlign )
{
input_DeletePES( p_adec->p_fifo->p_packets_mgt, p_pes );
return;
return VLC_SUCCESS;
}
i_samples = i_size / ( ( p_sys->p_wf->wBitsPerSample + 7 ) / 8 ) /
p_sys->p_wf->nChannels;
i_samples = i_size / ( ( p_adec->p_wf->wBitsPerSample + 7 ) / 8 ) /
p_adec->p_wf->nChannels;
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 ) )
if( p_block->i_pts != 0 && p_block->i_pts != aout_DateGet( &p_sys->date ) )
{
aout_DateSet( &p_adec->date, p_adec->pts );
aout_DateSet( &p_sys->date, p_block->i_pts );
}
else if( !aout_DateGet( &p_adec->date ) )
else if( !aout_DateGet( &p_sys->date ) )
{
return;
return VLC_SUCCESS;
}
/* gather data */
p = p_data = malloc( i_size );
GetPESData( p_data, i_size, p_pes );
while( i_samples > 0 )
{
int i_copy;
int i_copy = __MIN( i_samples, 1024 );
aout_buffer_t *out;
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 )
out = aout_DecNewBuffer( p_sys->p_aout, p_sys->p_aout_input, i_copy );
if( out == NULL )
{
msg_Err( p_adec->p_fifo, "cannot get aout buffer" );
p_adec->p_fifo->b_error = 1;
free( p_data );
return;
msg_Err( p_dec, "cannot get aout buffer" );
return VLC_EGENERIC;
}
p_aout_buffer->start_date = aout_DateGet( &p_adec->date );
p_aout_buffer->end_date = aout_DateIncrement( &p_adec->date,
i_copy );
out->start_date = aout_DateGet( &p_sys->date );
out->end_date = aout_DateIncrement( &p_sys->date, i_copy );
if( p_adec->p_logtos16 )
if( p_sys->p_logtos16 )
{
int16_t *s = (int16_t*)p_aout_buffer->p_buffer;
unsigned int i;
int16_t *s = (int16_t*)out->p_buffer;
unsigned int i;
for( i = 0; i < p_aout_buffer->i_nb_bytes; i++ )
for( i = 0; i < out->i_nb_bytes / 2; i++ )
{
*s++ = p_adec->p_logtos16[*p++];
*s++ = p_sys->p_logtos16[*p++];
}
}
else
{
memcpy( p_aout_buffer->p_buffer, p,
p_aout_buffer->i_nb_bytes );
memcpy( out->p_buffer, p, out->i_nb_bytes );
p += p_aout_buffer->i_nb_bytes;
p += out->i_nb_bytes;
}
aout_DecPlay( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
aout_DecPlay( p_sys->p_aout, p_sys->p_aout_input, out );
i_samples -= i_copy;
}
free( p_data );
input_DeletePES( p_adec->p_fifo->p_packets_mgt, p_pes );
return VLC_SUCCESS;
}
/*****************************************************************************
* EndThread : faad decoder thread destruction
* DecoderEnd : faad decoder thread destruction
*****************************************************************************/
static void EndThread (adec_thread_t *p_adec)
static int DecoderEnd( decoder_t *p_dec )
{
if( p_adec->p_aout_input )
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_aout_input )
{
aout_DecDelete( p_adec->p_aout, p_adec->p_aout_input );
aout_DecDelete( p_sys->p_aout, p_sys->p_aout_input );
}
free( p_sys );
msg_Dbg( p_adec->p_fifo, "raw audio decoder closed" );
free( p_adec );
return VLC_SUCCESS;
}
/*****************************************************************************
......
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