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vlc-2-2
Commit 08ece243 authored by Laurent Aimar's avatar Laurent Aimar
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* a52.c aac.c au.c dts.c flac.c wav.c: Converted all audio only demuxers 

 to demux2.
parent ae60413f
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Showing with 390 additions and 569 deletions
modules/demux/a52.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* a52.c : raw A/52 stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: a52.c,v 1.6 2004/02/25 17:48:52 fenrir Exp $
* $Id: a52.c,v 1.7 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -32,18 +32,24 @@
# include <unistd.h>
#endif
#define PCM_FRAME_SIZE (1536 * 4)
#define A52_PACKET_SIZE (4 * PCM_FRAME_SIZE)
#define A52_MAX_HEADER_SIZE 10
/*****************************************************************************
* Local prototypes
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Demux ( input_thread_t * );
static int Control( input_thread_t *, int, va_list );
vlc_module_begin();
set_description( _("Raw A/52 demuxer") );
set_capability( "demux2", 145 );
set_callbacks( Open, Close );
add_shortcut( "a52" );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
struct demux_sys_t
{
......@@ -57,63 +63,33 @@ struct demux_sys_t
vlc_bool_t b_big_endian;
};
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Raw A/52 demuxer") );
set_capability( "demux", 145 );
set_callbacks( Open, Close );
add_shortcut( "a52" );
vlc_module_end();
static int CheckSync( uint8_t *p_peek, vlc_bool_t *p_big_endian );
/*****************************************************************************
* CheckSync: Check if buffer starts with an A52 sync code
*****************************************************************************/
static int CheckSync( uint8_t *p_peek, vlc_bool_t *p_big_endian )
{
/* Little endian version of the bitstream */
if( p_peek[0] == 0x77 && p_peek[1] == 0x0b &&
p_peek[4] < 0x60 /* bsid < 12 */ )
{
*p_big_endian = VLC_FALSE;
return VLC_SUCCESS;
}
/* Big endian version of the bitstream */
else if( p_peek[0] == 0x0b && p_peek[1] == 0x77 &&
p_peek[5] < 0x60 /* bsid < 12 */ )
{
*p_big_endian = VLC_TRUE;
return VLC_SUCCESS;
}
#define PCM_FRAME_SIZE (1536 * 4)
#define A52_PACKET_SIZE (4 * PCM_FRAME_SIZE)
#define A52_MAX_HEADER_SIZE 10
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: initializes ES structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
byte_t * p_peek;
byte_t *p_peek;
int i_peek = 0;
vlc_bool_t b_big_endian;
p_input->pf_demux = Demux;
p_input->pf_demux_control = Control;
p_input->pf_rewind = NULL;
/* Check if we are dealing with a WAV file */
if( input_Peek( p_input, &p_peek, 12 ) == 12 &&
if( stream_Peek( p_demux->s, &p_peek, 12 ) == 12 &&
!strncmp( p_peek, "RIFF", 4 ) && !strncmp( &p_peek[8], "WAVE", 4 ) )
{
int i_size;
/* Skip the wave header */
i_peek = 12 + 8;
while( input_Peek( p_input, &p_peek, i_peek ) == i_peek &&
while( stream_Peek( p_demux->s, &p_peek, i_peek ) == i_peek &&
strncmp( p_peek + i_peek - 8, "data", 4 ) )
{
i_peek += GetDWLE( p_peek + i_peek - 4 ) + 8;
......@@ -123,7 +99,7 @@ static int Open( vlc_object_t * p_this )
/* Some A52 wav files don't begin with a sync code so we do a more
* extensive search */
i_size = input_Peek( p_input, &p_peek, i_peek + A52_PACKET_SIZE * 2);
i_size = stream_Peek( p_demux->s, &p_peek, i_peek + A52_PACKET_SIZE * 2);
i_size -= (PCM_FRAME_SIZE + A52_MAX_HEADER_SIZE);
while( i_peek < i_size )
......@@ -147,29 +123,30 @@ static int Open( vlc_object_t * p_this )
}
/* Have a peep at the show. */
if( input_Peek( p_input, &p_peek, i_peek + A52_MAX_HEADER_SIZE * 2 ) <
if( stream_Peek( p_demux->s, &p_peek, i_peek + A52_MAX_HEADER_SIZE * 2 ) <
i_peek + A52_MAX_HEADER_SIZE * 2 )
{
/* Stream too short */
msg_Warn( p_input, "cannot peek()" );
msg_Warn( p_demux, "cannot peek()" );
return VLC_EGENERIC;
}
if( CheckSync( p_peek + i_peek, &b_big_endian ) != VLC_SUCCESS )
{
if( p_input->psz_demux && !strncmp( p_input->psz_demux, "a52", 3 ) )
{
/* User forced */
msg_Err( p_input, "this doesn't look like a A52 audio stream, "
"continuing anyway" );
}
else
if( strncmp( p_demux->psz_demux, "a52", 3 ) )
{
return VLC_EGENERIC;
}
/* User forced */
msg_Err( p_demux, "this doesn't look like a A52 audio stream, "
"continuing anyway" );
}
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
/* Fill p_demux fields */
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->b_start = VLC_TRUE;
p_sys->i_mux_rate = 0;
p_sys->b_big_endian = b_big_endian;
......@@ -177,7 +154,7 @@ static int Open( vlc_object_t * p_this )
/*
* Load the A52 packetizer
*/
p_sys->p_packetizer = vlc_object_create( p_input, VLC_OBJECT_DECODER );
p_sys->p_packetizer = vlc_object_create( p_demux, VLC_OBJECT_DECODER );
p_sys->p_packetizer->pf_decode_audio = 0;
p_sys->p_packetizer->pf_decode_video = 0;
p_sys->p_packetizer->pf_decode_sub = 0;
......@@ -191,23 +168,12 @@ static int Open( vlc_object_t * p_this )
module_Need( p_sys->p_packetizer, "packetizer", NULL );
if( !p_sys->p_packetizer->p_module )
{
msg_Err( p_input, "cannot find A52 packetizer" );
msg_Err( p_demux, "cannot find A52 packetizer" );
return VLC_EGENERIC;
}
/* Create one program */
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1 )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
return VLC_EGENERIC;
}
p_input->stream.i_mux_rate = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es =
es_out_Add( p_input->p_es_out, &p_sys->p_packetizer->fmt_in );
p_sys->p_es = es_out_Add( p_demux->out, &p_sys->p_packetizer->fmt_in );
return VLC_SUCCESS;
}
......@@ -217,8 +183,8 @@ static int Open( vlc_object_t * p_this )
*****************************************************************************/
static void Close( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t*)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
/* Unneed module */
module_Unneed( p_sys->p_packetizer, p_sys->p_packetizer->p_module );
......@@ -234,16 +200,16 @@ static void Close( vlc_object_t * p_this )
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t * p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block_in, *p_block_out;
/* Align stream */
int64_t i_pos = stream_Tell( p_input->s );
if( i_pos % 2 ) stream_Read( p_input->s, NULL, 1 );
int64_t i_pos = stream_Tell( p_demux->s );
if( i_pos % 2 ) stream_Read( p_demux->s, NULL, 1 );
if( !( p_block_in = stream_Block( p_input->s, A52_PACKET_SIZE ) ) )
if( !( p_block_in = stream_Block( p_demux->s, A52_PACKET_SIZE ) ) )
{
return 0;
}
......@@ -285,19 +251,15 @@ static int Demux( input_thread_t * p_input )
/* We assume a constant bitrate */
if( p_block_out->i_length )
{
p_sys->i_mux_rate =
p_block_out->i_buffer * I64C(1000000) / p_block_out->i_length;
p_input->stream.i_mux_rate = p_sys->i_mux_rate / 50;
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
p_block_out->i_buffer * I64C(1000000)/p_block_out->i_length;
}
p_block_out->i_dts = p_block_out->i_pts =
input_ClockGetTS( p_input, p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
/* set PCR */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block_out->i_dts );
es_out_Send( p_input->p_es_out, p_sys->p_es, p_block_out );
es_out_Send( p_demux->out, p_sys->p_es, p_block_out );
p_block_out = p_next;
}
......@@ -309,36 +271,35 @@ static int Demux( input_thread_t * p_input )
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( input_thread_t *p_input, int i_query, va_list args )
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = (demux_sys_t *)p_input->p_demux_data;
int64_t *pi64;
demux_sys_t *p_sys = p_demux->p_sys;
return demux2_vaControlHelper( p_demux->s,
0, -1,
8*p_sys->i_mux_rate, 1, i_query, args );
}
switch( i_query )
{
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_mux_rate > 0 )
/*****************************************************************************
* CheckSync: Check if buffer starts with an A52 sync code
*****************************************************************************/
static int CheckSync( uint8_t *p_peek, vlc_bool_t *p_big_endian )
{
/* Little endian version of the bitstream */
if( p_peek[0] == 0x77 && p_peek[1] == 0x0b &&
p_peek[4] < 0x60 /* bsid < 12 */ )
{
*pi64 = I64C(1000000) * stream_Tell( p_input->s ) /
p_sys->i_mux_rate;
*p_big_endian = VLC_FALSE;
return VLC_SUCCESS;
}
*pi64 = 0;
return VLC_EGENERIC;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_mux_rate > 0 )
/* Big endian version of the bitstream */
else if( p_peek[0] == 0x0b && p_peek[1] == 0x77 &&
p_peek[5] < 0x60 /* bsid < 12 */ )
{
*pi64 = I64C(1000000) * stream_Size( p_input->s ) /
p_sys->i_mux_rate;
*p_big_endian = VLC_TRUE;
return VLC_SUCCESS;
}
*pi64 = 0;
return VLC_EGENERIC;
default:
return demux_vaControlDefault( p_input, i_query, args );
}
return VLC_EGENERIC;
}
modules/demux/aac.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* aac.c : Raw aac Stream input module for vlc
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
* $Id: aac.c,v 1.9 2004/01/25 20:05:28 hartman Exp $
* $Id: aac.c,v 1.10 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -37,7 +37,7 @@ static void Close ( vlc_object_t * );
vlc_module_begin();
set_description( _("AAC demuxer" ) );
set_capability( "demux", 10 );
set_capability( "demux2", 100 );
set_callbacks( Open, Close );
add_shortcut( "aac" );
vlc_module_end();
......@@ -50,8 +50,6 @@ vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( input_thread_t * );
struct demux_sys_t
{
mtime_t i_time;
......@@ -59,6 +57,9 @@ struct demux_sys_t
es_out_id_t *p_es;
};
static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
static int i_aac_samplerate[16] =
{
96000, 88200, 64000, 48000, 44100, 32000,
......@@ -70,6 +71,7 @@ static int i_aac_samplerate[16] =
#define AAC_SAMPLE_RATE( p ) i_aac_samplerate[((p)[2]>>2)&0x0f]
#define AAC_CHANNELS( p ) ( (((p)[2]&0x01)<<2) | (((p)[3]>>6)&0x03) )
#define AAC_FRAME_SIZE( p ) ( (((p)[3]&0x03) << 11)|( (p)[4] << 3 )|( (((p)[5]) >>5)&0x7 ) )
/* FIXME it's plain wrong */
#define AAC_FRAME_SAMPLES( p ) 1024
......@@ -86,33 +88,29 @@ static inline int HeaderCheck( uint8_t *p )
return VLC_TRUE;
}
/*****************************************************************************
* Open: initializes AAC demux structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
int b_forced = VLC_FALSE;
uint8_t *p_peek;
module_t *p_id3;
es_format_t fmt;
if( p_input->psz_demux && !strncmp( p_input->psz_demux, "aac", 3 ) )
if( !strncmp( p_demux->psz_demux, "aac", 3 ) )
{
b_forced = VLC_TRUE;
}
if( p_input->psz_name )
if( p_demux->psz_path )
{
int i_len = strlen( p_input->psz_name );
int i_len = strlen( p_demux->psz_path );
if( i_len > 4 && !strcasecmp( &p_input->psz_name[i_len - 4], ".aac" ) )
if( i_len > 4 && !strcasecmp( &p_demux->psz_path[i_len - 4], ".aac" ) )
{
b_forced = VLC_TRUE;
}
......@@ -123,33 +121,31 @@ static int Open( vlc_object_t * p_this )
/* I haven't find any sure working aac detection so only forced or
* extention check
*/
msg_Warn( p_input, "AAC module discarded" );
msg_Warn( p_demux, "AAC module discarded" );
return VLC_EGENERIC;
}
/* skip possible id3 header */
p_id3 = module_Need( p_input, "id3", NULL );
if ( p_id3 )
if( ( p_id3 = module_Need( p_demux, "id3", NULL ) ) )
{
module_Unneed( p_input, p_id3 );
module_Unneed( p_demux, p_id3 );
}
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->i_time = 0;
/* peek the begining (10 is for adts header) */
if( stream_Peek( p_input->s, &p_peek, 10 ) < 10 )
if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 )
{
msg_Err( p_input, "cannot peek" );
msg_Err( p_demux, "cannot peek" );
goto error;
}
if( !strncmp( p_peek, "ADIF", 4 ) )
{
msg_Err( p_input, "ADIF file. Not yet supported. (Please report)" );
msg_Err( p_demux, "ADIF file. Not yet supported. (Please report)" );
goto error;
}
......@@ -159,25 +155,14 @@ static int Open( vlc_object_t * p_this )
fmt.audio.i_channels = AAC_CHANNELS( p_peek );
fmt.audio.i_rate = AAC_SAMPLE_RATE( p_peek );
msg_Dbg( p_input,
msg_Dbg( p_demux,
"adts header: id=%d channels=%d sample_rate=%d",
AAC_ID( p_peek ),
AAC_CHANNELS( p_peek ),
AAC_SAMPLE_RATE( p_peek ) );
}
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1)
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
goto error;
}
p_input->stream.i_mux_rate = 0 / 50;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es = es_out_Add( p_input->p_es_out, &fmt );
p_sys->p_es = es_out_Add( p_demux->out, &fmt );
return VLC_SUCCESS;
error:
......@@ -191,17 +176,17 @@ error:
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t * p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
uint8_t h[8];
uint8_t *p_peek;
if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
if( stream_Peek( p_demux->s, &p_peek, 8 ) < 8 )
{
msg_Warn( p_input, "cannot peek" );
msg_Warn( p_demux, "cannot peek" );
return 0;
}
......@@ -212,10 +197,10 @@ static int Demux( input_thread_t * p_input )
int i_skip = 0;
int i_peek;
i_peek = stream_Peek( p_input->s, &p_peek, 8096 );
i_peek = stream_Peek( p_demux->s, &p_peek, 8096 );
if( i_peek < 8 )
{
msg_Warn( p_input, "cannot peek" );
msg_Warn( p_demux, "cannot peek" );
return 0;
}
......@@ -232,29 +217,27 @@ static int Demux( input_thread_t * p_input )
i_skip++;
}
msg_Warn( p_input, "garbage=%d bytes", i_skip );
stream_Read( p_input->s, NULL, i_skip );
msg_Warn( p_demux, "garbage=%d bytes", i_skip );
stream_Read( p_demux->s, NULL, i_skip );
return 1;
}
memcpy( h, p_peek, 8 ); /* can't use p_peek after stream_* */
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
p_sys->i_time * 9 / 100 );
if( ( p_block = stream_Block( p_input->s, AAC_FRAME_SIZE( h ) ) ) == NULL )
/* set PCR */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_time );
if( ( p_block = stream_Block( p_demux->s, AAC_FRAME_SIZE( h ) ) ) == NULL )
{
msg_Warn( p_input, "cannot read data" );
msg_Warn( p_demux, "cannot read data" );
return 0;
}
p_block->i_dts =
p_block->i_pts = input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
p_sys->i_time * 9 / 100 );
p_block->i_dts = p_block->i_pts = p_sys->i_time;
es_out_Send( p_input->p_es_out, p_sys->p_es, p_block );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
p_sys->i_time += (mtime_t)1000000 *
(mtime_t)AAC_FRAME_SAMPLES( h ) /
......@@ -267,9 +250,21 @@ static int Demux( input_thread_t * p_input )
*****************************************************************************/
static void Close( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t*)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
free( p_sys );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
/* demux_sys_t *p_sys = p_demux->p_sys; */
/* FIXME calculate the bitrate */
return demux2_vaControlHelper( p_demux->s,
0, -1,
8*0, 1, i_query, args );
}
modules/demux/au.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* au.c : au file input module for vlc
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
* $Id: au.c,v 1.13 2004/01/29 15:11:17 fenrir Exp $
* $Id: au.c,v 1.14 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -331,75 +331,9 @@ static void Close( vlc_object_t * p_this )
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
double f, *pf;
int64_t *pi64;
switch( i_query )
{
case DEMUX_GET_POSITION:
{
int64_t i_tell = stream_Tell( p_demux->s );
int64_t i_end = stream_Size( p_demux->s );
pf = (double*) va_arg( args, double* );
if( p_sys->i_header_size < i_end )
{
*pf = (double)( i_tell - p_sys->i_header_size ) /
(double)(i_end - p_sys->i_header_size);
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_SET_POSITION:
{
int64_t i_end = stream_Size( p_demux->s );
f = (double) va_arg( args, double );
if( p_sys->i_header_size < i_end )
{
int64_t i_frame = (f * ( i_end - p_sys->i_header_size )) /
p_sys->fmt.audio.i_blockalign;
if( stream_Seek( p_demux->s, p_sys->i_header_size +
i_frame * p_sys->fmt.audio.i_blockalign ) )
{
return VLC_EGENERIC;
}
p_sys->i_time = 1 + ( i_frame * p_sys->fmt.audio.i_blockalign / p_sys->i_frame_size ) * p_sys->i_frame_length;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = p_sys->i_time;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
{
int64_t i_size = stream_Size( p_demux->s ) - p_sys->i_header_size;
if( i_size > 0 )
{
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = i_size / p_sys->i_frame_size * p_sys->i_frame_length;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_SET_TIME:
case DEMUX_GET_FPS:
default:
return VLC_EGENERIC;
}
return demux2_vaControlHelper( p_demux->s, p_sys->i_header_size, -1,
p_sys->fmt.i_bitrate, p_sys->fmt.audio.i_blockalign,
i_query, args );
}
modules/demux/dts.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* dts.c : raw DTS stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: dts.c,v 1.10 2004/02/25 17:48:52 fenrir Exp $
* $Id: dts.c,v 1.11 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -28,18 +28,24 @@
#include <vlc/input.h>
#include <vlc_codec.h>
#define DTS_PACKET_SIZE 16384
#define DTS_PROBE_SIZE (DTS_PACKET_SIZE * 4)
#define DTS_MAX_HEADER_SIZE 11
/*****************************************************************************
* Local prototypes
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Demux ( input_thread_t * );
static int Control( input_thread_t *, int, va_list );
vlc_module_begin();
set_description( _("Raw DTS demuxer") );
set_capability( "demux2", 155 );
set_callbacks( Open, Close );
add_shortcut( "dts" );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
struct demux_sys_t
{
......@@ -52,67 +58,24 @@ struct demux_sys_t
int i_mux_rate;
};
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Raw DTS demuxer") );
set_capability( "demux", 155 );
set_callbacks( Open, Close );
add_shortcut( "dts" );
vlc_module_end();
/*****************************************************************************
* CheckSync: Check if buffer starts with a DTS sync code
*****************************************************************************/
static int CheckSync( uint8_t *p_peek )
{
/* 14 bits, little endian version of the bitstream */
if( p_peek[0] == 0xff && p_peek[1] == 0x1f &&
p_peek[2] == 0x00 && p_peek[3] == 0xe8 &&
(p_peek[4] & 0xf0) == 0xf0 && p_peek[5] == 0x07 )
{
return VLC_SUCCESS;
}
/* 14 bits, big endian version of the bitstream */
else if( p_peek[0] == 0x1f && p_peek[1] == 0xff &&
p_peek[2] == 0xe8 && p_peek[3] == 0x00 &&
p_peek[4] == 0x07 && (p_peek[5] & 0xf0) == 0xf0)
{
return VLC_SUCCESS;
}
/* 16 bits, big endian version of the bitstream */
else if( p_peek[0] == 0x7f && p_peek[1] == 0xfe &&
p_peek[2] == 0x80 && p_peek[3] == 0x01 )
{
return VLC_SUCCESS;
}
/* 16 bits, little endian version of the bitstream */
else if( p_peek[0] == 0xfe && p_peek[1] == 0x7f &&
p_peek[2] == 0x01 && p_peek[3] == 0x80 )
{
return VLC_SUCCESS;
}
static int CheckSync( uint8_t *p_peek );
return VLC_EGENERIC;
}
#define DTS_PACKET_SIZE 16384
#define DTS_PROBE_SIZE (DTS_PACKET_SIZE * 4)
#define DTS_MAX_HEADER_SIZE 11
/*****************************************************************************
* Open: initializes ES structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
byte_t * p_peek;
int i_peek = 0;
p_input->pf_demux = Demux;
p_input->pf_demux_control = Control;
p_input->pf_rewind = NULL;
/* Check if we are dealing with a WAV file */
if( input_Peek( p_input, &p_peek, 20 ) == 20 &&
if( stream_Peek( p_demux->s, &p_peek, 20 ) == 20 &&
!strncmp( p_peek, "RIFF", 4 ) && !strncmp( &p_peek[8], "WAVE", 4 ) )
{
int i_size;
......@@ -125,7 +88,7 @@ static int Open( vlc_object_t * p_this )
if( i_size + i_peek > DTS_PROBE_SIZE ) return VLC_EGENERIC;
i_peek += i_size + 8;
if( input_Peek( p_input, &p_peek, i_peek ) != i_peek )
if( stream_Peek( p_demux->s, &p_peek, i_peek ) != i_peek )
return VLC_EGENERIC;
}
......@@ -133,7 +96,7 @@ static int Open( vlc_object_t * p_this )
i_size = GetDWLE( p_peek + i_peek - 4 );
if( i_size + i_peek > DTS_PROBE_SIZE ) return VLC_EGENERIC;
i_peek += i_size + 8;
if( input_Peek( p_input, &p_peek, i_peek ) != i_peek )
if( stream_Peek( p_demux->s, &p_peek, i_peek ) != i_peek )
return VLC_EGENERIC;
if( GetWLE( p_peek + i_peek - i_size - 8 /* wFormatTag */ ) !=
1 /* WAVE_FORMAT_PCM */ )
......@@ -151,13 +114,13 @@ static int Open( vlc_object_t * p_this )
if( i_size + i_peek > DTS_PROBE_SIZE ) return VLC_EGENERIC;
i_peek += i_size + 8;
if( input_Peek( p_input, &p_peek, i_peek ) != i_peek )
if( stream_Peek( p_demux->s, &p_peek, i_peek ) != i_peek )
return VLC_EGENERIC;
}
/* Some DTS wav files don't begin with a sync code so we do a more
* extensive search */
i_size = input_Peek( p_input, &p_peek, DTS_PROBE_SIZE );
i_size = stream_Peek( p_demux->s, &p_peek, DTS_PROBE_SIZE );
i_size -= DTS_MAX_HEADER_SIZE;
while( i_peek < i_size )
......@@ -171,36 +134,35 @@ static int Open( vlc_object_t * p_this )
}
/* Have a peep at the show. */
if( input_Peek( p_input, &p_peek, i_peek + DTS_MAX_HEADER_SIZE * 2 ) <
if( stream_Peek( p_demux->s, &p_peek, i_peek + DTS_MAX_HEADER_SIZE * 2 ) <
i_peek + DTS_MAX_HEADER_SIZE * 2 )
{
/* Stream too short */
msg_Warn( p_input, "cannot peek()" );
msg_Warn( p_demux, "cannot peek()" );
return VLC_EGENERIC;
}
if( CheckSync( p_peek + i_peek ) != VLC_SUCCESS )
{
if( p_input->psz_demux && !strncmp( p_input->psz_demux, "dts", 3 ) )
{
/* User forced */
msg_Err( p_input, "this doesn't look like a DTS audio stream, "
"continuing anyway" );
}
else
if( strncmp( p_demux->psz_demux, "dts", 3 ) )
{
return VLC_EGENERIC;
}
/* User forced */
msg_Err( p_demux, "this doesn't look like a DTS audio stream, "
"continuing anyway" );
}
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->b_start = VLC_TRUE;
p_sys->i_mux_rate = 0;
/*
* Load the DTS packetizer
*/
p_sys->p_packetizer = vlc_object_create( p_input, VLC_OBJECT_DECODER );
p_sys->p_packetizer = vlc_object_create( p_demux, VLC_OBJECT_DECODER );
p_sys->p_packetizer->pf_decode_audio = 0;
p_sys->p_packetizer->pf_decode_video = 0;
p_sys->p_packetizer->pf_decode_sub = 0;
......@@ -214,23 +176,11 @@ static int Open( vlc_object_t * p_this )
module_Need( p_sys->p_packetizer, "packetizer", NULL );
if( !p_sys->p_packetizer->p_module )
{
msg_Err( p_input, "cannot find DTS packetizer" );
msg_Err( p_demux, "cannot find DTS packetizer" );
return VLC_EGENERIC;
}
/* Create one program */
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1 )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
return VLC_EGENERIC;
}
p_input->stream.i_mux_rate = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es =
es_out_Add( p_input->p_es_out, &p_sys->p_packetizer->fmt_in );
p_sys->p_es = es_out_Add( p_demux->out, &p_sys->p_packetizer->fmt_in );
return VLC_SUCCESS;
}
......@@ -238,10 +188,10 @@ static int Open( vlc_object_t * p_this )
/*****************************************************************************
* Close: frees unused data
*****************************************************************************/
static void Close( vlc_object_t * p_this )
static void Close( vlc_object_t *p_this )
{
input_thread_t *p_input = (input_thread_t*)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
/* Unneed module */
module_Unneed( p_sys->p_packetizer, p_sys->p_packetizer->p_module );
......@@ -257,12 +207,12 @@ static void Close( vlc_object_t * p_this )
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t * p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block_in, *p_block_out;
if( !( p_block_in = stream_Block( p_input->s, DTS_PACKET_SIZE ) ) )
if( !( p_block_in = stream_Block( p_demux->s, DTS_PACKET_SIZE ) ) )
{
return 0;
}
......@@ -283,19 +233,15 @@ static int Demux( input_thread_t * p_input )
/* We assume a constant bitrate */
if( p_block_out->i_length )
{
p_sys->i_mux_rate =
p_block_out->i_buffer * I64C(1000000) / p_block_out->i_length;
p_input->stream.i_mux_rate = p_sys->i_mux_rate / 50;
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
}
p_block_out->i_dts = p_block_out->i_pts =
input_ClockGetTS( p_input, p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
/* set PCR */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block_out->i_dts );
es_out_Send( p_input->p_es_out, p_sys->p_es, p_block_out );
es_out_Send( p_demux->out, p_sys->p_es, p_block_out );
p_block_out = p_next;
}
......@@ -307,36 +253,46 @@ static int Demux( input_thread_t * p_input )
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( input_thread_t *p_input, int i_query, va_list args )
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = (demux_sys_t *)p_input->p_demux_data;
int64_t *pi64;
demux_sys_t *p_sys = p_demux->p_sys;
return demux2_vaControlHelper( p_demux->s,
0, -1,
8*p_sys->i_mux_rate, 1, i_query, args );
}
switch( i_query )
/*****************************************************************************
* CheckSync: Check if buffer starts with a DTS sync code
*****************************************************************************/
static int CheckSync( uint8_t *p_peek )
{
/* 14 bits, little endian version of the bitstream */
if( p_peek[0] == 0xff && p_peek[1] == 0x1f &&
p_peek[2] == 0x00 && p_peek[3] == 0xe8 &&
(p_peek[4] & 0xf0) == 0xf0 && p_peek[5] == 0x07 )
{
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_mux_rate > 0 )
return VLC_SUCCESS;
}
/* 14 bits, big endian version of the bitstream */
else if( p_peek[0] == 0x1f && p_peek[1] == 0xff &&
p_peek[2] == 0xe8 && p_peek[3] == 0x00 &&
p_peek[4] == 0x07 && (p_peek[5] & 0xf0) == 0xf0)
{
*pi64 = I64C(1000000) * stream_Tell( p_input->s ) /
p_sys->i_mux_rate;
return VLC_SUCCESS;
}
*pi64 = 0;
return VLC_EGENERIC;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_mux_rate > 0 )
/* 16 bits, big endian version of the bitstream */
else if( p_peek[0] == 0x7f && p_peek[1] == 0xfe &&
p_peek[2] == 0x80 && p_peek[3] == 0x01 )
{
*pi64 = I64C(1000000) * stream_Size( p_input->s ) /
p_sys->i_mux_rate;
return VLC_SUCCESS;
}
*pi64 = 0;
return VLC_EGENERIC;
default:
return demux_vaControlDefault( p_input, i_query, args );
/* 16 bits, little endian version of the bitstream */
else if( p_peek[0] == 0xfe && p_peek[1] == 0x7f &&
p_peek[2] == 0x01 && p_peek[3] == 0x80 )
{
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
modules/demux/flac.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* flac.c : FLAC demux module for vlc
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
* $Id: flac.c,v 1.11 2004/02/25 17:48:52 fenrir Exp $
* $Id: flac.c,v 1.12 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -28,15 +28,24 @@
#include <vlc/input.h>
#include <vlc_codec.h>
#define STREAMINFO_SIZE 38
#define FLAC_PACKET_SIZE 16384
/*****************************************************************************
* Local prototypes
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Demux ( input_thread_t * );
vlc_module_begin();
set_description( _("FLAC demuxer") );
set_capability( "demux2", 155 );
set_callbacks( Open, Close );
add_shortcut( "flac" );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
struct demux_sys_t
{
......@@ -47,76 +56,64 @@ struct demux_sys_t
decoder_t *p_packetizer;
};
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("FLAC demuxer") );
set_capability( "demux", 155 );
set_callbacks( Open, Close );
add_shortcut( "flac" );
vlc_module_end();
#define STREAMINFO_SIZE 38
#define FLAC_PACKET_SIZE 16384
/*****************************************************************************
* Open: initializes ES structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
int i_peek;
byte_t * p_peek;
byte_t *p_peek;
es_format_t fmt;
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
p_input->pf_rewind = NULL;
/* Have a peep at the show. */
if( input_Peek( p_input, &p_peek, 4 ) < 4 )
if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 )
{
/* Stream shorter than 4 bytes... */
msg_Err( p_input, "cannot peek()" );
msg_Err( p_demux, "cannot peek()" );
return VLC_EGENERIC;
}
if( p_peek[0]!='f' || p_peek[1]!='L' || p_peek[2]!='a' || p_peek[3]!='C' )
{
if( p_input->psz_demux && !strncmp( p_input->psz_demux, "flac", 4 ) )
if( strncmp( p_demux->psz_demux, "flac", 4 ) )
{
/* User forced */
msg_Err( p_input, "this doesn't look like a flac stream, "
"continuing anyway" );
}
else
{
msg_Warn( p_input, "flac module discarded (no startcode)" );
msg_Warn( p_demux, "flac module discarded (no startcode)" );
return VLC_EGENERIC;
}
/* User forced */
msg_Err( p_demux, "this doesn't look like a flac stream, "
"continuing anyway" );
}
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( 'f', 'l', 'a', 'c' ) );
p_sys->b_start = VLC_TRUE;
/* We need to read and store the STREAMINFO metadata */
i_peek = stream_Peek( p_input->s, &p_peek, 8 );
i_peek = stream_Peek( p_demux->s, &p_peek, 8 );
if( p_peek[4] & 0x7F )
{
msg_Err( p_input, "this isn't a STREAMINFO metadata block" );
msg_Err( p_demux, "this isn't a STREAMINFO metadata block" );
return VLC_EGENERIC;
}
if( ((p_peek[5]<<16)+(p_peek[6]<<8)+p_peek[7]) != (STREAMINFO_SIZE - 4) )
{
msg_Err( p_input, "invalid size for a STREAMINFO metadata block" );
msg_Err( p_demux, "invalid size for a STREAMINFO metadata block" );
return VLC_EGENERIC;
}
/*
* Load the FLAC packetizer
*/
p_sys->p_packetizer = vlc_object_create( p_input, VLC_OBJECT_DECODER );
p_sys->p_packetizer = vlc_object_create( p_demux, VLC_OBJECT_DECODER );
p_sys->p_packetizer->pf_decode_audio = 0;
p_sys->p_packetizer->pf_decode_video = 0;
p_sys->p_packetizer->pf_decode_sub = 0;
......@@ -129,7 +126,7 @@ static int Open( vlc_object_t * p_this )
/* Store STREAMINFO for the decoder and packetizer */
p_sys->p_packetizer->fmt_in.i_extra = fmt.i_extra = STREAMINFO_SIZE + 4;
p_sys->p_packetizer->fmt_in.p_extra = malloc( STREAMINFO_SIZE + 4 );
stream_Read( p_input->s, p_sys->p_packetizer->fmt_in.p_extra,
stream_Read( p_demux->s, p_sys->p_packetizer->fmt_in.p_extra,
STREAMINFO_SIZE + 4 );
/* Fake this as the last metadata block */
......@@ -146,22 +143,11 @@ static int Open( vlc_object_t * p_this )
free( p_sys->p_packetizer->fmt_in.p_extra );
vlc_object_destroy( p_sys->p_packetizer );
msg_Err( p_input, "cannot find flac packetizer" );
msg_Err( p_demux, "cannot find flac packetizer" );
return VLC_EGENERIC;
}
/* Create one program */
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1 )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
return VLC_EGENERIC;
}
p_input->stream.i_mux_rate = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es = es_out_Add( p_input->p_es_out, &fmt );
p_sys->p_es = es_out_Add( p_demux->out, &fmt );
return VLC_SUCCESS;
}
......@@ -171,8 +157,8 @@ static int Open( vlc_object_t * p_this )
*****************************************************************************/
static void Close( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t*)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
/* Unneed module */
module_Unneed( p_sys->p_packetizer, p_sys->p_packetizer->p_module );
......@@ -191,12 +177,12 @@ static void Close( vlc_object_t * p_this )
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t * p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block_in, *p_block_out;
if( !( p_block_in = stream_Block( p_input->s, FLAC_PACKET_SIZE ) ) )
if( !( p_block_in = stream_Block( p_demux->s, FLAC_PACKET_SIZE ) ) )
{
return 0;
}
......@@ -218,15 +204,10 @@ static int Demux( input_thread_t * p_input )
{
block_t *p_next = p_block_out->p_next;
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
p_block_out->i_dts = p_block_out->i_pts =
input_ClockGetTS( p_input, p_input->stream.p_selected_program,
p_block_out->i_pts * 9 / 100 );
/* set PCR */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block_out->i_dts );
es_out_Send( p_input->p_es_out, p_sys->p_es, p_block_out );
es_out_Send( p_demux->out, p_sys->p_es, p_block_out );
p_block_out = p_next;
}
......@@ -234,3 +215,16 @@ static int Demux( input_thread_t * p_input )
return 1;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
/* demux_sys_t *p_sys = p_demux->p_sys; */
/* FIXME bitrate */
return demux2_vaControlHelper( p_demux->s,
0, -1,
8*0, 1, i_query, args );
}
modules/demux/wav.c
View file @ 08ece243
......@@ -2,7 +2,7 @@
* wav.c : wav file input module for vlc
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
* $Id: wav.c,v 1.14 2004/02/23 23:01:05 gbazin Exp $
* $Id: wav.c,v 1.15 2004/03/03 11:40:19 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -39,14 +39,15 @@ static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("WAV demuxer") );
set_capability( "demux", 142 );
set_capability( "demux2", 142 );
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( input_thread_t * );
static int Demux ( demux_t * );
static int Control( demux_t *, int i_query, va_list args );
struct demux_sys_t
{
......@@ -61,23 +62,20 @@ struct demux_sys_t
mtime_t i_frame_length;
};
/*****************************************************************************
* Declaration of local function
*****************************************************************************/
#define __EVEN( x ) ( ( (x)%2 != 0 ) ? ((x)+1) : (x) )
static int ChunkFind( input_thread_t *, char *, unsigned int * );
static int ChunkFind( demux_t *, char *, unsigned int * );
static void FrameInfo_IMA_ADPCM( input_thread_t *, unsigned int *, mtime_t * );
static void FrameInfo_MS_ADPCM ( input_thread_t *, unsigned int *, mtime_t * );
static void FrameInfo_PCM ( input_thread_t *, unsigned int *, mtime_t * );
static void FrameInfo_IMA_ADPCM( demux_t *, unsigned int *, mtime_t * );
static void FrameInfo_MS_ADPCM ( demux_t *, unsigned int *, mtime_t * );
static void FrameInfo_PCM ( demux_t *, unsigned int *, mtime_t * );
/*****************************************************************************
* Open: check file and initializes structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
uint8_t *p_peek;
......@@ -88,9 +86,9 @@ static int Open( vlc_object_t * p_this )
WAVEFORMATEX *p_wf;
/* Is it a wav file ? */
if( input_Peek( p_input, &p_peek, 12 ) < 12 )
if( stream_Peek( p_demux->s, &p_peek, 12 ) < 12 )
{
msg_Warn( p_input, "WAV module discarded (cannot peek)" );
msg_Warn( p_demux, "WAV module discarded (cannot peek)" );
return VLC_EGENERIC;
}
if( strncmp( p_peek, "RIFF", 4 ) || strncmp( &p_peek[8], "WAVE", 4 ) )
......@@ -98,35 +96,35 @@ static int Open( vlc_object_t * p_this )
return VLC_EGENERIC;
}
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->p_es = NULL;
p_sys->i_time = 0;
/* skip riff header */
stream_Read( p_input->s, NULL, 12 ); /* cannot fail as peek succeed */
stream_Read( p_demux->s, NULL, 12 ); /* cannot fail as peek succeed */
/* search fmt chunk */
if( ChunkFind( p_input, "fmt ", &i_size ) )
if( ChunkFind( p_demux, "fmt ", &i_size ) )
{
msg_Err( p_input, "cannot find 'fmt ' chunk" );
msg_Err( p_demux, "cannot find 'fmt ' chunk" );
goto error;
}
if( i_size < sizeof( WAVEFORMATEX ) - 2 ) /* XXX -2 isn't a typo */
{
msg_Err( p_input, "invalid 'fmt ' chunk" );
msg_Err( p_demux, "invalid 'fmt ' chunk" );
goto error;
}
stream_Read( p_input->s, NULL, 8 ); /* Cannot fail */
stream_Read( p_demux->s, NULL, 8 ); /* Cannot fail */
/* load waveformatex */
p_wf = (WAVEFORMATEX *)p_wf_ext = malloc( __EVEN( i_size ) + 2 );
p_wf->cbSize = 0;
if( stream_Read( p_input->s,
if( stream_Read( p_demux->s,
p_wf, __EVEN( i_size ) ) < (int)__EVEN( i_size ) )
{
msg_Err( p_input, "cannot load 'fmt ' chunk" );
msg_Err( p_demux, "cannot load 'fmt ' chunk" );
goto error;
}
......@@ -158,7 +156,7 @@ static int Open( vlc_object_t * p_this )
p_sys->fmt.i_extra );
}
msg_Dbg( p_input, "format: 0x%4.4x, fourcc: %4.4s, channels: %d, "
msg_Dbg( p_demux, "format: 0x%4.4x, fourcc: %4.4s, channels: %d, "
"freq: %d Hz, bitrate: %dKo/s, blockalign: %d, bits/samples: %d, "
"extra size: %d",
GetWLE( &p_wf->wFormatTag ), (char *)&p_sys->fmt.i_codec,
......@@ -174,20 +172,20 @@ static int Open( vlc_object_t * p_this )
case VLC_FOURCC( 'a', 'f', 'l', 't' ):
case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
FrameInfo_PCM( p_input, &p_sys->i_frame_size, &p_sys->i_frame_length );
FrameInfo_PCM( p_demux, &p_sys->i_frame_size, &p_sys->i_frame_length );
break;
case VLC_FOURCC( 'm', 's', 0x00, 0x02 ):
FrameInfo_MS_ADPCM( p_input, &p_sys->i_frame_size,
FrameInfo_MS_ADPCM( p_demux, &p_sys->i_frame_size,
&p_sys->i_frame_length );
break;
case VLC_FOURCC( 'm', 's', 0x00, 0x11 ):
FrameInfo_IMA_ADPCM( p_input, &p_sys->i_frame_size,
FrameInfo_IMA_ADPCM( p_demux, &p_sys->i_frame_size,
&p_sys->i_frame_length );
break;
case VLC_FOURCC( 'm', 's', 0x00, 0x61 ):
case VLC_FOURCC( 'm', 's', 0x00, 0x62 ):
/* FIXME not sure at all FIXME */
FrameInfo_MS_ADPCM( p_input, &p_sys->i_frame_size,
FrameInfo_MS_ADPCM( p_demux, &p_sys->i_frame_size,
&p_sys->i_frame_length );
break;
case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
......@@ -195,43 +193,28 @@ static int Open( vlc_object_t * p_this )
/* FIXME set end of area FIXME */
goto relay;
default:
msg_Err( p_input, "unsupported codec (%4.4s)",
msg_Err( p_demux, "unsupported codec (%4.4s)",
(char*)&p_sys->fmt.i_codec );
goto error;
}
msg_Dbg( p_input, "found %s audio format", psz_name );
msg_Dbg( p_demux, "found %s audio format", psz_name );
if( ChunkFind( p_input, "data", &p_sys->i_data_size ) )
if( ChunkFind( p_demux, "data", &p_sys->i_data_size ) )
{
msg_Err( p_input, "cannot find 'data' chunk" );
msg_Err( p_demux, "cannot find 'data' chunk" );
goto error;
}
stream_Read( p_input->s, NULL, 8 ); /* Cannot fail */
p_sys->i_data_pos = stream_Tell( p_input->s );
stream_Read( p_demux->s, NULL, 8 ); /* Cannot fail */
p_sys->i_data_pos = stream_Tell( p_demux->s );
/* Create one program */
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1)
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
goto error;
}
p_input->stream.i_mux_rate = 0;
if( p_sys->fmt.i_bitrate )
{
p_input->stream.i_mux_rate = p_sys->fmt.i_bitrate / 50 / 8;
}
else if( p_sys->i_data_size > 0 )
if( p_sys->fmt.i_bitrate <= 0 )
{
p_input->stream.i_mux_rate = (mtime_t)p_sys->i_frame_size *
(mtime_t)1000000 / 50 / p_sys->i_frame_length;
p_sys->fmt.i_bitrate = (mtime_t)p_sys->i_frame_size *
I64C(8000000) / p_sys->i_frame_length;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es = es_out_Add( p_input->p_es_out, &p_sys->fmt );
p_sys->p_es = es_out_Add( p_demux->out, &p_sys->fmt );
return VLC_SUCCESS;
error:
......@@ -245,34 +228,13 @@ relay:
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t *p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
int64_t i_pos;
block_t *p_block;
if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
{
i_pos = stream_Tell( p_input->s );
}
input_ClockManageRef( p_input, p_input->stream.p_selected_program,
p_sys->i_time * 9 / 100 );
i_pos = stream_Tell( p_input->s );
/* Check alignment */
if( p_sys->fmt.audio.i_blockalign != 0 &&
i_pos % p_sys->fmt.audio.i_blockalign )
{
int i_skip = p_sys->fmt.audio.i_blockalign -
i_pos % p_sys->fmt.audio.i_blockalign;
if( stream_Read( p_input->s, NULL, i_skip ) != i_skip )
{
msg_Err( p_input, "failed to re-align stream" );
}
}
i_pos = stream_Tell( p_demux->s );
if( p_sys->i_data_size > 0 &&
i_pos >= p_sys->i_data_pos + p_sys->i_data_size )
......@@ -281,17 +243,17 @@ static int Demux( input_thread_t *p_input )
return 0;
}
if( ( p_block = stream_Block( p_input->s, p_sys->i_frame_size ) ) == NULL )
if( ( p_block = stream_Block( p_demux->s, p_sys->i_frame_size ) ) == NULL )
{
msg_Warn( p_input, "cannot read data" );
msg_Warn( p_demux, "cannot read data" );
return 0;
}
p_block->i_dts =
p_block->i_pts = input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
p_sys->i_time * 9 / 100 );
p_block->i_dts = p_block->i_pts = p_sys->i_time;
es_out_Send( p_input->p_es_out, p_sys->p_es, p_block );
/* set PCR */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_time );
es_out_Send( p_demux->out, p_sys->p_es, p_block );
p_sys->i_time += p_sys->i_frame_length;
......@@ -303,16 +265,33 @@ static int Demux( input_thread_t *p_input )
*****************************************************************************/
static void Close ( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
free( p_sys );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t i_end = -1;
if( p_sys->i_data_size > 0 )
{
i_end = p_sys->i_data_pos + p_sys->i_data_size;
}
return demux2_vaControlHelper( p_demux->s,
p_sys->i_data_pos, i_end,
p_sys->fmt.i_bitrate, p_sys->fmt.audio.i_blockalign,
i_query, args );
}
/*****************************************************************************
* Local functions
*****************************************************************************/
static int ChunkFind( input_thread_t *p_input,
static int ChunkFind( demux_t *p_demux,
char *fcc, unsigned int *pi_size )
{
uint8_t *p_peek;
......@@ -321,15 +300,15 @@ static int ChunkFind( input_thread_t *p_input,
{
int i_size;
if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
if( stream_Peek( p_demux->s, &p_peek, 8 ) < 8 )
{
msg_Err( p_input, "cannot peek()" );
msg_Err( p_demux, "cannot peek()" );
return VLC_EGENERIC;
}
i_size = GetDWLE( p_peek + 4 );
msg_Dbg( p_input, "Chunk: fcc=`%4.4s` size=%d", p_peek, i_size );
msg_Dbg( p_demux, "Chunk: fcc=`%4.4s` size=%d", p_peek, i_size );
if( !strncmp( p_peek, fcc, 4 ) )
{
......@@ -341,18 +320,18 @@ static int ChunkFind( input_thread_t *p_input,
}
i_size = __EVEN( i_size ) + 8;
if( stream_Read( p_input->s, NULL, i_size ) != i_size )
if( stream_Read( p_demux->s, NULL, i_size ) != i_size )
{
return VLC_EGENERIC;
}
}
}
static void FrameInfo_PCM( input_thread_t *p_input,
static void FrameInfo_PCM( demux_t *p_demux,
unsigned int *pi_size,
mtime_t *pi_length )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
int i_samples;
......@@ -381,11 +360,11 @@ static void FrameInfo_PCM( input_thread_t *p_input,
*pi_size = i_bytes;
}
static void FrameInfo_MS_ADPCM( input_thread_t *p_input,
static void FrameInfo_MS_ADPCM( demux_t *p_demux,
unsigned int *pi_size,
mtime_t *pi_length )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
int i_samples;
......@@ -398,11 +377,11 @@ static void FrameInfo_MS_ADPCM( input_thread_t *p_input,
*pi_size = p_sys->fmt.audio.i_blockalign;
}
static void FrameInfo_IMA_ADPCM( input_thread_t *p_input,
static void FrameInfo_IMA_ADPCM( demux_t *p_demux,
unsigned int *pi_size,
mtime_t *pi_length )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
int i_samples;
......@@ -414,3 +393,5 @@ static void FrameInfo_IMA_ADPCM( input_thread_t *p_input,
*pi_size = p_sys->fmt.audio.i_blockalign;
}
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