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* ALL: New ogg demux and vorbis codec modules for preliminary support of

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ogg/vorbis streams.
This commit is contained in:
Gildas Bazin 2002-10-23 23:17:45 +00:00
parent 0330bbedd9
commit bfc4f0f588
10 changed files with 111 additions and 52 deletions
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3
AUTHORS
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@ -48,7 +48,8 @@ E: gbazin@netcourrier.com
C: gbazin
D: mingw32 port, various win32 fixes
D: DirectX audio and video output, win32 WaveOut audio output
D: a52 decoder using liba52
D: a52 decoder using liba52 and vorbis decoder using libvorbis
D: ogg demultiplexer
D: Configuration file infrastructure
S: France

4
MAINTAINERS
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@ -1,4 +1,4 @@
# $Id: MAINTAINERS,v 1.2 2002/08/16 14:30:39 bozo Exp $
# $Id: MAINTAINERS,v 1.3 2002/10/23 23:17:45 gbazin Exp $
#
# VLC MAINTAINERS
#
@ -79,7 +79,7 @@
- AC3 SPDIF : [stef]
- A/52 : [gibalou] ([meuuh])
- SPU : [sam]
- Ogg/Vorbis : Xavier Maillard
- Ogg/Vorbis : [gibalou]
* DOCUMENTATION

4
STATUS
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@ -1,4 +1,4 @@
# $Id: STATUS,v 1.4 2002/08/16 14:30:39 bozo Exp $
# $Id: STATUS,v 1.5 2002/10/23 23:17:45 gbazin Exp $
#
# VLC STATUS
#
@ -46,8 +46,6 @@ Jon Lech Johansen <jon-vl@nanocrew.net> :
Xavier Maillard <zedek@fxgsproject.org> :
- Xinerama fullscreen support
ETA : completed
- Ogg/Vorbis decoder plug-in
ETA : soon
Christophe Massiot <massiot@via.ecp.fr> :
- Audio output 3

2
TODO
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@ -478,7 +478,7 @@ Description: Ogg/Vorbis audio decoder support
The Ogg/Vorbis audio format is a free alternative to the patent-encumbered
MP3 format. The system packets are quite different than the MPEG ones, so
adding support for it would require a lot of code rewrite.
Status: In the works (Xavier Maillard)
Status: Done 24 Nov 2002 (gbazin)
Task: 0x23
Difficulty: Guru

40
configure.ac.in
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@ -1071,6 +1071,19 @@ then
PLUGINS="${PLUGINS} aac"
fi
dnl
dnl ogg plugin
dnl
AC_ARG_ENABLE(ogg,
[ --enable-ogg Ogg demux support (default enabled)])
if test "x${enable_ogg}" != "xno"
then
AC_CHECK_HEADERS(ogg/ogg.h, [
PLUGINS="${PLUGINS} ogg"
LDFLAGS_ogg="${LDFLAGS_ogg} -logg"
],[])
fi
dnl
dnl Codec plugins
dnl
@ -1355,20 +1368,6 @@ then
PLUGINS="${PLUGINS} cinepak"
fi
dnl
dnl ogg vorbis plugin
dnl
AC_ARG_ENABLE(vorbis,
[ --enable-vorbis Ogg/Vorbis decoder support (default enabled)])
if test "x${enable_vorbis}" != "xno"
then
AC_CHECK_HEADERS(ogg/ogg.h, [
dnl disabled for the moment
#PLUGINS="${PLUGINS} ogg vorbis"
LDFLAGS_vorbis="${LDFLAGS_vorbis} -lvorbis"
],[])
fi
dnl
dnl DV plugin
dnl
@ -1382,6 +1381,19 @@ then
],[])
fi
dnl
dnl Vorbis plugin
dnl
AC_ARG_ENABLE(vorbis,
[ --enable-vorbis Vorbis decoder support (default enabled)])
if test "x${enable_vorbis}" != "xno"
then
AC_CHECK_HEADERS(vorbis/codec.h, [
PLUGINS="${PLUGINS} vorbis"
LDFLAGS_vorbis="${LDFLAGS_vorbis} -lvorbis"
],[])
fi
dnl
dnl Video plugins
dnl

4
include/input_ext-dec.h
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@ -2,7 +2,7 @@
* input_ext-dec.h: structures exported to the VideoLAN decoders
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: input_ext-dec.h,v 1.72 2002/10/21 10:46:34 fenrir Exp $
* $Id: input_ext-dec.h,v 1.73 2002/10/23 23:17:45 gbazin Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Michel Kaempf <maxx@via.ecp.fr>
@ -209,6 +209,8 @@ struct bit_stream_t
*****************************************************************************/
VLC_EXPORT( void, InitBitstream, ( bit_stream_t *, decoder_fifo_t *, void ( * )( bit_stream_t *, vlc_bool_t ), void * p_callback_arg ) );
VLC_EXPORT( vlc_bool_t, NextDataPacket, ( decoder_fifo_t *, data_packet_t ** ) );
VLC_EXPORT( pes_packet_t *, GetPES, ( decoder_fifo_t * ) );
VLC_EXPORT( pes_packet_t *, NextPES, ( decoder_fifo_t * ) );
VLC_EXPORT( void, BitstreamNextDataPacket, ( bit_stream_t * ) );
VLC_EXPORT( u32, UnalignedShowBits, ( bit_stream_t *, unsigned int ) );
VLC_EXPORT( void, UnalignedRemoveBits, ( bit_stream_t * ) );

6
modules/LIST
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@ -1,5 +1,5 @@
List of vlc plugins
$Id: LIST,v 1.2 2002/09/15 20:54:12 jpsaman Exp $
$Id: LIST,v 1.3 2002/10/23 23:17:45 gbazin Exp $
* a52_system: input module for A52 decapsulation.
@ -125,6 +125,8 @@ $Id: LIST,v 1.2 2002/09/15 20:54:12 jpsaman Exp $
* null: a module with no capabilities.
* ogg: input module for OGG decapsulation.
* qt: interface module using the Qt widget set.
* qte: video output module for Qt Embedded.
@ -137,6 +139,8 @@ $Id: LIST,v 1.2 2002/09/15 20:54:12 jpsaman Exp $
* vcd: input module for accessing Video CDs.
* vorbis: a vorbis audio decoder using the libvorbis library.
* waveout: simple audio output module for Windows.
* x11: video output module using the X11 API.

1
modules/codec/Modules.am
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@ -1,3 +1,4 @@
SOURCES_a52 = modules/codec/a52.c
SOURCES_lpcm = modules/codec/lpcm.c
SOURCES_araw = modules/codec/araw.c
SOURCES_vorbis = modules/codec/vorbis.c

1
modules/demux/Modules.am
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@ -1 +1,2 @@
SOURCES_a52sys = modules/demux/a52sys.c
SOURCES_ogg = modules/demux/ogg.c

98
src/input/input_ext-dec.c
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@ -2,7 +2,7 @@
* input_ext-dec.c: services to the decoders
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
* $Id: input_ext-dec.c,v 1.35 2002/10/21 10:46:34 fenrir Exp $
* $Id: input_ext-dec.c,v 1.36 2002/10/23 23:17:44 gbazin Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
@ -110,6 +110,73 @@ void DecoderError( decoder_fifo_t * p_fifo )
vlc_mutex_unlock (&p_fifo->data_lock);
}
/*****************************************************************************
* GetPES: return the first PES from the fifo
*****************************************************************************/
static inline pes_packet_t *_GetPES( decoder_fifo_t * p_fifo )
{
pes_packet_t * p_pes;
vlc_mutex_lock( &p_fifo->data_lock );
if( p_fifo->p_first == NULL )
{
/* No PES in the FIFO. p_last is no longer valid. */
p_fifo->pp_last = &p_fifo->p_first;
if( p_fifo->b_die )
{
vlc_mutex_unlock( &p_fifo->data_lock );
return NULL;
}
/* Signal the input thread we're waiting. This is only
* needed in case of slave clock (ES plug-in) but it won't
* harm. */
vlc_cond_signal( &p_fifo->data_wait );
/* Wait for the input to tell us when we receive a packet. */
vlc_cond_wait( &p_fifo->data_wait, &p_fifo->data_lock );
}
p_pes = p_fifo->p_first;
vlc_mutex_unlock( &p_fifo->data_lock );
return p_pes;
}
pes_packet_t * GetPES( decoder_fifo_t * p_fifo )
{
return( _GetPES( p_fifo ) );
}
/*****************************************************************************
* NextPES: free the current PES and return the next one
*****************************************************************************/
static inline pes_packet_t * _NextPES( decoder_fifo_t * p_fifo )
{
pes_packet_t * p_next;
vlc_mutex_lock( &p_fifo->data_lock );
/* Free the previous PES packet. */
p_next = p_fifo->p_first->p_next;
p_fifo->p_first->p_next = NULL;
input_DeletePES( p_fifo->p_packets_mgt, p_fifo->p_first );
p_fifo->p_first = p_next;
p_fifo->i_depth--;
vlc_mutex_unlock( &p_fifo->data_lock );
return _GetPES( p_fifo );
}
pes_packet_t * NextPES( decoder_fifo_t * p_fifo )
{
return( _NextPES( p_fifo ) );
}
/*****************************************************************************
* NextDataPacket: go to the data packet after *pp_data, return 1 if we
* changed PES
@ -127,35 +194,8 @@ static inline vlc_bool_t _NextDataPacket( decoder_fifo_t * p_fifo,
* time to jump to the next PES packet */
if( (*pp_data)->p_next == NULL )
{
pes_packet_t * p_next;
vlc_mutex_lock( &p_fifo->data_lock );
/* Free the previous PES packet. */
p_next = p_fifo->p_first->p_next;
p_fifo->p_first->p_next = NULL;
input_DeletePES( p_fifo->p_packets_mgt, p_fifo->p_first );
p_fifo->p_first = p_next;
p_fifo->i_depth--;
if( p_fifo->p_first == NULL )
{
/* No PES in the FIFO. p_last is no longer valid. */
p_fifo->pp_last = &p_fifo->p_first;
/* Signal the input thread we're waiting. This is only
* needed in case of slave clock (ES plug-in) but it won't
* harm. */
vlc_cond_signal( &p_fifo->data_wait );
/* Wait for the input to tell us when we receive a packet. */
vlc_cond_wait( &p_fifo->data_wait, &p_fifo->data_lock );
}
/* The next packet could be found in the next PES packet */
*pp_data = p_fifo->p_first->p_first;
vlc_mutex_unlock( &p_fifo->data_lock );
*pp_data = (_NextPES( p_fifo ))->p_first;
b_new_pes = 1;
}