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Commit 80a68e4f authored by Laurent Aimar's avatar Laurent Aimar
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* copy.c: Added DVD subtitle support. I still need to commit the TS 

muxer.
parent 2ad6cb7f
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Showing with 176 additions and 106 deletions
modules/packetizer/copy.c
View file @ 80a68e4f
......@@ -2,7 +2,7 @@
* copy.c
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: copy.c,v 1.11 2003/07/20 23:30:07 gbazin Exp $
* $Id: copy.c,v 1.12 2003/07/31 19:02:23 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Eric Petit <titer@videolan.org>
......@@ -25,19 +25,31 @@
/*****************************************************************************
* Preamble
*****************************************************************************/
#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 <stdlib.h> /* malloc(), free() */
#include <string.h> /* strdup() */
#include "codecs.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
vlc_module_begin();
set_description( _("Copy packetizer") );
set_capability( "packetizer", 1 );
set_callbacks( Open, NULL );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Run ( decoder_fifo_t * );
typedef struct packetizer_thread_s
{
/* Input properties */
......@@ -47,33 +59,21 @@ typedef struct packetizer_thread_s
sout_packetizer_input_t *p_sout_input;
sout_format_t output_format;
// mtime_t i_last_pts;
void (*pf_packetize)( struct packetizer_thread_s * );
} packetizer_thread_t;
static int Open ( vlc_object_t * );
static int Run ( decoder_fifo_t * );
static int InitThread ( packetizer_thread_t * );
static void PacketizeThread ( packetizer_thread_t * );
static void EndThread ( packetizer_thread_t * );
static int Init ( packetizer_thread_t * );
static void PacketizeStd( packetizer_thread_t * );
static void PacketizeSPU( packetizer_thread_t * );
static void End ( packetizer_thread_t * );
static void AppendPEStoSoutBuffer( sout_instance_t *,sout_buffer_t **,pes_packet_t *);
static void input_ShowPES( decoder_fifo_t *p_fifo, pes_packet_t **pp_pes );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Copy packetizer") );
set_capability( "packetizer", 1 );
set_callbacks( Open, NULL );
vlc_module_end();
/*****************************************************************************
* OpenDecoder: probe the packetizer and return score
* Open: probe the packetizer and return score
*****************************************************************************
* Tries to launch a decoder and return score so that the interface is able
* to choose.
......@@ -88,60 +88,48 @@ static int Open( vlc_object_t *p_this )
}
/*****************************************************************************
* RunDecoder: this function is called just after the thread is created
* Run: this function is called just after the thread is created
*****************************************************************************/
static int Run( decoder_fifo_t *p_fifo )
{
packetizer_thread_t *p_pack;
int b_error;
msg_Info( p_fifo, "Running copy packetizer" );
if( !( p_pack = malloc( sizeof( packetizer_thread_t ) ) ) )
{
msg_Err( p_fifo, "out of memory" );
DecoderError( p_fifo );
return( -1 );
}
msg_Dbg( p_fifo, "Running copy packetizer (fcc=%4.4s)", (char*)&p_fifo->i_fourcc );
p_pack = malloc( sizeof( packetizer_thread_t ) );
memset( p_pack, 0, sizeof( packetizer_thread_t ) );
p_pack->p_fifo = p_fifo;
if( InitThread( p_pack ) != 0 )
if( Init( p_pack ) )
{
DecoderError( p_fifo );
return( -1 );
return VLC_EGENERIC;
}
while( ( !p_pack->p_fifo->b_die )&&( !p_pack->p_fifo->b_error ) )
while( !p_pack->p_fifo->b_die && !p_pack->p_fifo->b_error )
{
PacketizeThread( p_pack );
p_pack->pf_packetize( p_pack );
}
if( ( b_error = p_pack->p_fifo->b_error ) )
if( p_pack->p_fifo->b_error )
{
DecoderError( p_pack->p_fifo );
}
EndThread( p_pack );
if( b_error )
{
return( -1 );
}
End( p_pack );
return( 0 );
return( p_pack->p_fifo->b_error ? VLC_EGENERIC : VLC_SUCCESS );
}
#define FREE( p ) if( p ) free( p ); p = NULL
/*****************************************************************************
* InitThread: initialize data before entering main loop
* Init: initialize data before entering main loop
*****************************************************************************/
static int InitThread( packetizer_thread_t *p_pack )
static int Init( packetizer_thread_t *p_pack )
{
p_pack->pf_packetize = PacketizeStd;
switch( p_pack->p_fifo->i_fourcc )
{
/* video */
......@@ -388,12 +376,16 @@ static int InitThread( packetizer_thread_t *p_pack )
break;
}
/* subtitles */
case VLC_FOURCC( 's', 'p', 'u', ' ' ): /* DVD */
case VLC_FOURCC( 's', 'p', 'u', 'b' ):
p_pack->output_format.i_fourcc = VLC_FOURCC( 's', 'p', 'u', ' ' );
p_pack->output_format.i_cat = SPU_ES;
p_pack->pf_packetize = PacketizeSPU;
break;
default:
msg_Err( p_pack->p_fifo, "unknown es type !!" );
return VLC_EGENERIC;
//p_pack->output_format.i_fourcc = p_pack->p_fifo->i_fourcc;
//p_pack->output_format.i_cat = UNKNOWN_ES;
//break;
}
switch( p_pack->output_format.i_cat )
......@@ -462,6 +454,11 @@ static int InitThread( packetizer_thread_t *p_pack )
}
break;
case SPU_ES:
p_pack->output_format.i_extra_data = 0;
p_pack->output_format.p_extra_data = NULL;
break;
default:
return VLC_EGENERIC;
}
......@@ -475,92 +472,126 @@ static int InitThread( packetizer_thread_t *p_pack )
msg_Err( p_pack->p_fifo, "cannot add a new stream" );
return VLC_EGENERIC;
}
// p_pack->i_last_pts = 0;
return( VLC_SUCCESS );
}
/*****************************************************************************
* PacketizeThread: packetize an unit (here copy a complete pes)
* PacketizeStd: packetize an unit (here copy a complete pes)
*****************************************************************************/
static void PacketizeThread( packetizer_thread_t *p_pack )
static void PacketizeStd( packetizer_thread_t *p_pack )
{
sout_buffer_t *p_sout_buffer;
sout_buffer_t *p_out = NULL;
pes_packet_t *p_pes;
ssize_t i_size;
mtime_t i_pts;
/* **** get samples count **** */
input_ExtractPES( p_pack->p_fifo, &p_pes );
if( !p_pes )
{
p_pack->p_fifo->b_error = 1;
return;
}
i_pts = p_pes->i_pts;
if( i_pts <= 0 ) //&& p_pack->i_last_pts <= 0 )
msg_Dbg( p_pack->p_fifo,
"pes size:%d dts=%lld pts=%lld",
p_pes->i_pes_size, p_pes->i_dts, p_pes->i_pts );
if( p_pes->i_pts <= 0 )
{
msg_Dbg( p_pack->p_fifo, "need pts != 0" );
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
return;
}
i_size = p_pes->i_pes_size;
if( p_pes->i_pes_size > 0 )
{
pes_packet_t *p_next;
AppendPEStoSoutBuffer( p_pack->p_sout_input->p_sout, &p_out, p_pes );
// msg_Dbg( p_pack->p_fifo, "pes size:%d", i_size );
if( i_size > 0 )
input_ShowPES( p_pack->p_fifo, &p_next );
if( p_next && p_next->i_pts > 0 )
{
pes_packet_t *p_pes_next;
data_packet_t *p_data;
ssize_t i_buffer;
p_out->i_length = p_next->i_pts - p_pes->i_pts;
}
p_sout_buffer =
sout_BufferNew( p_pack->p_sout_input->p_sout, i_size );
if( !p_sout_buffer )
sout_InputSendBuffer( p_pack->p_sout_input,
p_out );
}
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
}
/*****************************************************************************
* PacketizeSPU: packetize an SPU unit (so gather all PES of one subtitle)
*****************************************************************************/
static void PacketizeSPU( packetizer_thread_t *p_pack )
{
sout_buffer_t *p_out = NULL;
pes_packet_t *p_pes;
int i_spu_size = 0;
for( ;; )
{
input_ExtractPES( p_pack->p_fifo, &p_pes );
if( !p_pes )
{
p_pack->p_fifo->b_error = 1;
return;
}
msg_Dbg( p_pack->p_fifo,
"pes size:%d dts=%lld pts=%lld",
p_pes->i_pes_size, p_pes->i_dts, p_pes->i_pts );
if( p_out == NULL &&
( p_pes->i_pts <= 0 || p_pes->i_pes_size < 4 ) )
{
msg_Dbg( p_pack->p_fifo, "invalid starting packet (size < 4 or pts <=0)" );
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
return;
}
/* TODO: memcpy of the pes packet */
for( i_buffer = 0, p_data = p_pes->p_first;
p_data != NULL && i_buffer < i_size;
p_data = p_data->p_next)
if( p_pes->i_pes_size > 0 )
{
ssize_t i_copy;
AppendPEStoSoutBuffer( p_pack->p_sout_input->p_sout, &p_out, p_pes );
i_copy = __MIN( p_data->p_payload_end - p_data->p_payload_start,
i_size - i_buffer );
if( i_copy > 0 )
if( i_spu_size <= 0 )
{
p_pack->p_fifo->p_vlc->pf_memcpy( p_sout_buffer->p_buffer + i_buffer,
p_data->p_payload_start,
i_copy );
int i_rle;
i_spu_size = ( p_out->p_buffer[0] << 8 )| p_out->p_buffer[1];
i_rle = ( ( p_out->p_buffer[2] << 8 )| p_out->p_buffer[3] ) - 4;
msg_Dbg( p_pack->p_fifo, "i_spu_size=%d i_rle=%d", i_spu_size, i_rle );
if( i_spu_size == 0 || i_rle >= i_spu_size )
{
sout_BufferDelete( p_pack->p_sout_input->p_sout, p_out );
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
return;
}
}
i_buffer += i_copy;
}
p_sout_buffer->i_length = 0;
p_sout_buffer->i_dts = i_pts; //p_pes->i_pts - p_pack->i_pts_start;
p_sout_buffer->i_pts = i_pts; //p_pes->i_pts - p_pack->i_pts_start;
p_sout_buffer->i_bitrate = 0;
input_ShowPES( p_pack->p_fifo, &p_pes_next );
if( p_pes_next )
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
if( (int)p_out->i_size >= i_spu_size )
{
p_sout_buffer->i_length = p_pes_next->i_pts - i_pts;
break;
}
sout_InputSendBuffer( p_pack->p_sout_input,
p_sout_buffer );
}
msg_Dbg( p_pack->p_fifo,
"SPU packets size=%d should be %d",
p_out->i_size, i_spu_size );
input_DeletePES( p_pack->p_fifo->p_packets_mgt, p_pes );
sout_InputSendBuffer( p_pack->p_sout_input, p_out );
}
/*****************************************************************************
* EndThread : packetizer thread destruction
* End : packetizer thread destruction
*****************************************************************************/
static void EndThread ( packetizer_thread_t *p_pack)
static void End ( packetizer_thread_t *p_pack)
{
if( p_pack->p_sout_input )
{
......@@ -569,10 +600,54 @@ static void EndThread ( packetizer_thread_t *p_pack)
free( p_pack );
}
static void input_ShowPES( decoder_fifo_t *p_fifo, pes_packet_t **pp_pes )
/*****************************************************************************
* AppendPEStoSoutBuffer: copy/cat one pes into a sout_buffer_t.
*****************************************************************************/
static void AppendPEStoSoutBuffer( sout_instance_t *p_sout,
sout_buffer_t **pp_out,
pes_packet_t *p_pes )
{
pes_packet_t *p_pes;
sout_buffer_t *p_out = *pp_out;
unsigned int i_out;
data_packet_t *p_data;
if( p_out == NULL )
{
i_out = 0;
p_out = *pp_out = sout_BufferNew( p_sout, p_pes->i_pes_size );
p_out->i_dts = p_pes->i_pts;
p_out->i_pts = p_pes->i_pts;
}
else
{
i_out = p_out->i_size;
sout_BufferRealloc( p_sout, p_out, i_out + p_pes->i_pes_size );
}
p_out->i_size = i_out + p_pes->i_pes_size;
for( p_data = p_pes->p_first; p_data != NULL; p_data = p_data->p_next)
{
int i_copy;
i_copy = __MIN( p_data->p_payload_end - p_data->p_payload_start,
p_out->i_size - i_out );
if( i_copy > 0 )
{
memcpy( &p_out->p_buffer[i_out],
p_data->p_payload_start,
i_copy );
}
i_out += i_copy;
}
p_out->i_size = i_out;
}
/*****************************************************************************
* input_ShowPES: Show the next PES in the fifo
*****************************************************************************/
static void input_ShowPES( decoder_fifo_t *p_fifo, pes_packet_t **pp_pes )
{
vlc_mutex_lock( &p_fifo->data_lock );
if( p_fifo->p_first == NULL )
......@@ -580,7 +655,7 @@ static void input_ShowPES( decoder_fifo_t *p_fifo, pes_packet_t **pp_pes )
if( p_fifo->b_die )
{
vlc_mutex_unlock( &p_fifo->data_lock );
if( pp_pes ) *pp_pes = NULL;
*pp_pes = NULL;
return;
}
......@@ -592,12 +667,7 @@ static void input_ShowPES( decoder_fifo_t *p_fifo, pes_packet_t **pp_pes )
/* Wait for the input to tell us when we received a packet. */
vlc_cond_wait( &p_fifo->data_wait, &p_fifo->data_lock );
}
p_pes = p_fifo->p_first;
*pp_pes = p_fifo->p_first;
vlc_mutex_unlock( &p_fifo->data_lock );
if( pp_pes )
{
*pp_pes = p_pes;
}
}
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