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Input-II now correctly handles private stream 1 (AC3, DVDSPU).

This commit is contained in:
Christophe Massiot 2000-12-19 19:08:51 +00:00
parent 42e8a2e6e4
commit 9082046486
4 changed files with 78 additions and 23 deletions
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6
src/ac3_decoder/ac3_decoder_thread.c
View File

@ -367,11 +367,11 @@ void ac3_byte_stream_next (ac3_byte_stream_t * p_byte_stream)
p_ac3dec->p_data = DECODER_FIFO_START(*p_ac3dec->p_fifo)->p_first;
/* parse ac3 magic header */
ptr = *(p_ac3dec->p_data->p_payload_start + 2);
ptr = *(p_ac3dec->p_data->p_payload_start + 1);
ptr <<= 8;
ptr |= *(p_ac3dec->p_data->p_payload_start + 3);
ptr |= *(p_ac3dec->p_data->p_payload_start + 2);
p_ac3dec->sync_ptr = ptr;
p_ac3dec->p_data->p_payload_start += 4;
p_ac3dec->p_data->p_payload_start += 3;
/* We can release the fifo's data lock */
vlc_mutex_unlock (&p_ac3dec->p_fifo->data_lock);

1
src/input/input.c
View File

@ -4,6 +4,7 @@
* decoders.
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
* $Id: input.c,v 1.59 2000/12/19 19:08:51 massiot Exp $
*
* Authors:
*

14
src/input/input_programs.c
View File

@ -2,6 +2,7 @@
* input_programs.c: es_descriptor_t, pgrm_descriptor_t management
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: input_programs.c,v 1.4 2000/12/19 19:08:51 massiot Exp $
*
* Authors:
*
@ -389,11 +390,6 @@ int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
switch( p_es->i_type )
{
/* FIXME ! */
case AC3_AUDIO_ES:
p_es->thread_id = ac3dec_CreateThread( GetAdecConfig( p_input, p_es ) );
break;
case MPEG1_AUDIO_ES:
case MPEG2_AUDIO_ES:
p_es->thread_id = adec_CreateThread( GetAdecConfig( p_input, p_es ) );
@ -404,6 +400,14 @@ int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
p_es->thread_id = vpar_CreateThread( GetVdecConfig( p_input, p_es ) );
break;
case AC3_AUDIO_ES:
p_es->thread_id = ac3dec_CreateThread( GetAdecConfig( p_input, p_es ) );
break;
case DVD_SPU_ES:
p_es->thread_id = spudec_CreateThread( GetVdecConfig( p_input, p_es ) );
break;
default:
intf_ErrMsg( "Unknown stream type %d", p_es->i_type );
return( -1 );

80
src/input/mpeg_system.c
View File

@ -2,6 +2,7 @@
* mpeg_system.c: TS, PS and PES management
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
* $Id: mpeg_system.c,v 1.9 2000/12/19 19:08:51 massiot Exp $
*
* Authors:
*
@ -61,10 +62,6 @@ void input_DecodePES( input_thread_t * p_input, es_descriptor_t * p_es )
{
#define p_pes (p_es->p_pes)
/* FIXME: since we don't check the type of the stream anymore, we don't
* do the following : p_data->p_payload_start++; for DVD_SPU_ES, and
* DVD SPU support is BROKEN ! */
if( p_es->p_decoder_fifo != NULL )
{
vlc_mutex_lock( &p_es->p_decoder_fifo->data_lock );
@ -344,6 +341,13 @@ void input_ParsePES( input_thread_t * p_input, es_descriptor_t * p_es )
break;
}
if( p_es->i_stream_id == 0xBC )
{
/* With private stream 1, the first byte of the payload
* is a stream_private_id, so skip it. */
i_pes_header_size++;
}
/* Now we've parsed the header, we just have to indicate in some
* specific data packets where the PES payload begins (renumber
* p_payload_start), so that the decoders can find the beginning
@ -643,6 +647,22 @@ static void CRDecode( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm,
* PS Demultiplexing
*/
/*****************************************************************************
* GetID: Get the ID of a stream
*****************************************************************************/
static u16 GetID( data_packet_t * p_data )
{
u16 i_id;
i_id = p_data->p_buffer[3]; /* stream_id */
if( i_id == 0xBD )
{
/* stream_private_id */
i_id |= p_data->p_buffer[ 9 + p_data->p_buffer[8] ] << 8;
}
return( i_id );
}
/*****************************************************************************
* DecodePSM: Decode the Program Stream Map information
*****************************************************************************/
@ -803,9 +823,20 @@ void input_DemuxPS( input_thread_t * p_input, data_packet_t * p_data )
int i_dummy;
/* This is a PES packet. Find out if we want it or not. */
i_id = p_data->p_buffer[3]; /* ID of the stream. */
i_id = GetID( p_data );
vlc_mutex_lock( &p_input->stream.stream_lock );
#if 1
for( i_dummy = 0; i_dummy < INPUT_MAX_ES; i_dummy++ )
{
if( p_input->p_es[i_dummy].i_id != EMPTY_ID
&& p_input->p_es[i_dummy].i_id == i_id )
{
p_es = &p_input->p_es[i_dummy];
break;
}
}
#else
for( i_dummy = 0; i_dummy < INPUT_MAX_SELECTED_ES; i_dummy++ )
{
if( p_input->pp_selected_es[i_dummy] != NULL
@ -815,20 +846,19 @@ void input_DemuxPS( input_thread_t * p_input, data_packet_t * p_data )
break;
}
}
#endif
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( p_es == NULL )
{
#if 1
/* FIXME ! */
if( (i_id & 0xC0L) == 0xC0L )
{
vlc_mutex_lock( &p_input->stream.stream_lock );
/* MPEG video and audio */
p_es = input_AddES( p_input, p_input->stream.pp_programs[0],
i_id, 0 );
vlc_mutex_lock( &p_input->stream.stream_lock );
p_es = input_AddES( p_input, p_input->stream.pp_programs[0],
i_id, 0 );
if( p_es != NULL && (i_id & 0xF0L) == 0xE0L )
if( p_es != NULL )
{
if( (i_id & 0xF0) == 0xE0 )
{
/* MPEG video */
p_es->i_stream_id = i_id;
@ -838,12 +868,32 @@ void input_DemuxPS( input_thread_t * p_input, data_packet_t * p_data )
input_SelectES( p_input, p_es );
#endif
}
else if( p_es != NULL && (i_id & 0xE0) == 0xC0 )
else if( (i_id & 0xE0) == 0xC0 )
{
/* MPEG audio */
p_es->i_stream_id = i_id;
p_es->i_type = MPEG2_AUDIO_ES;
#ifdef AUTO_SPAWN
input_SelectES( p_input, p_es );
#endif
}
else if( (i_id & 0xF0FF) == 0x80BD )
{
/* AC3 audio */
p_es->i_stream_id = 0xBD;
p_es->i_type = AC3_AUDIO_ES;
#ifdef AUTO_SPAWN
input_SelectES( p_input, p_es );
#endif
}
else if( (i_id & 0xF0FF) == 0x20BD )
{
/* Subtitles video */
p_es->i_stream_id = 0xBD;
p_es->i_type = DVD_SPU_ES;
#ifdef AUTO_SPAWN
input_SelectES( p_input, p_es );
#endif
@ -861,7 +911,7 @@ void input_DemuxPS( input_thread_t * p_input, data_packet_t * p_data )
#endif
}
if( p_es != NULL )
if( p_es->p_decoder_fifo != NULL && !b_trash )
{
#ifdef STATS
p_es->c_packets++;