/*****************************************************************************
* vorbis.c: vorbis decoder/encoder/packetizer module using of libvorbis.
*****************************************************************************
- * Copyright (C) 2001-2003 the VideoLAN team
+ * Copyright (C) 2001-2012 VLC authors and VideoLAN
* Copyright (C) 2007 Société des arts technologiques
* Copyright (C) 2007 Savoir-faire Linux
*
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <ogg/ogg.h>
#ifdef MODULE_NAME_IS_tremor
-#include <tremor/ivorbiscodec.h>
+# include <tremor/ivorbiscodec.h>
+# define INTERLEAVE_TYPE int32_t
#else
-#include <vorbis/vorbisenc.h>
+# include <vorbis/codec.h>
+# define INTERLEAVE_TYPE float
-# ifndef OV_ECTL_RATEMANAGE_AVG
+# ifdef ENABLE_SOUT
+# define HAVE_VORBIS_ENCODER
+# include <vorbis/vorbisenc.h>
+# ifndef OV_ECTL_RATEMANAGE_AVG
# define OV_ECTL_RATEMANAGE_AVG 0x0
+# endif
# endif
-
#endif
/*****************************************************************************
/*
** Channel reordering
*/
- int pi_chan_table[AOUT_CHAN_MAX];
+ uint8_t pi_chan_table[AOUT_CHAN_MAX];
};
static const int pi_channels_maps[9] =
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
- | AOUT_CHAN_MIDDLERIGHT,
+ | AOUT_CHAN_REARCENTER | AOUT_CHAN_MIDDLELEFT
+ | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_LFE,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
| AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
- | AOUT_CHAN_LFE
+ | AOUT_CHAN_LFE,
};
/*
-** channel order as defined in http://www.ogghelp.com/ogg/glossary.cfm#Audio_Channels
+** channel order as defined in http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-800004.3.9
*/
+/* recommended vorbis channel order for 8 channels */
+static const uint32_t pi_8channels_in[] =
+{ AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
+ AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
+ AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,AOUT_CHAN_LFE, 0 };
+
+/* recommended vorbis channel order for 7 channels */
+static const uint32_t pi_7channels_in[] =
+{ AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
+ AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
+ AOUT_CHAN_REARCENTER, AOUT_CHAN_LFE, 0 };
+
/* recommended vorbis channel order for 6 channels */
static const uint32_t pi_6channels_in[] =
{ AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
- AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,AOUT_CHAN_LFE,0 };
+ AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_LFE, 0 };
/* recommended vorbis channel order for 4 channels */
static const uint32_t pi_4channels_in[] =
-{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
+{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, 0 };
/* recommended vorbis channel order for 3 channels */
static const uint32_t pi_3channels_in[] =
static int OpenDecoder ( vlc_object_t * );
static int OpenPacketizer( vlc_object_t * );
static void CloseDecoder ( vlc_object_t * );
-static void *DecodeBlock ( decoder_t *, block_t ** );
+static block_t *DecodeBlock ( decoder_t *, block_t ** );
static int ProcessHeaders( decoder_t * );
static void *ProcessPacket ( decoder_t *, ogg_packet *, block_t ** );
-static aout_buffer_t *DecodePacket ( decoder_t *, ogg_packet * );
+static block_t *DecodePacket( decoder_t *, ogg_packet * );
static block_t *SendPacket( decoder_t *, ogg_packet *, block_t * );
static void ParseVorbisComments( decoder_t * );
static void ConfigureChannelOrder(int *, int, uint32_t, bool );
-#ifdef MODULE_NAME_IS_tremor
-static void Interleave ( int32_t *, const int32_t **, int, int, int * );
-#else
-static void Interleave ( float *, const float **, int, int, int * );
-#endif
-
-#ifndef MODULE_NAME_IS_tremor
+#ifdef HAVE_VORBIS_ENCODER
static int OpenEncoder ( vlc_object_t * );
static void CloseEncoder ( vlc_object_t * );
-static block_t *Encode ( encoder_t *, aout_buffer_t * );
+static block_t *Encode ( encoder_t *, block_t * );
#endif
/*****************************************************************************
set_capability( "packetizer", 100 )
set_callbacks( OpenPacketizer, CloseDecoder )
-#ifndef MODULE_NAME_IS_tremor
+#ifdef HAVE_VORBIS_ENCODER
# define ENC_CFG_PREFIX "sout-vorbis-"
add_submodule ()
set_description( N_("Vorbis audio encoder") )
- set_capability( "encoder", 100 )
+ set_capability( "encoder", 130 )
set_callbacks( OpenEncoder, CloseEncoder )
- add_integer( ENC_CFG_PREFIX "quality", 0, NULL, ENC_QUALITY_TEXT,
+ add_integer( ENC_CFG_PREFIX "quality", 0, ENC_QUALITY_TEXT,
ENC_QUALITY_LONGTEXT, false )
change_integer_range( 0, 10 )
- add_integer( ENC_CFG_PREFIX "max-bitrate", 0, NULL, ENC_MAXBR_TEXT,
+ add_integer( ENC_CFG_PREFIX "max-bitrate", 0, ENC_MAXBR_TEXT,
ENC_MAXBR_LONGTEXT, false )
- add_integer( ENC_CFG_PREFIX "min-bitrate", 0, NULL, ENC_MINBR_TEXT,
+ add_integer( ENC_CFG_PREFIX "min-bitrate", 0, ENC_MINBR_TEXT,
ENC_MINBR_LONGTEXT, false )
- add_bool( ENC_CFG_PREFIX "cbr", false, NULL, ENC_CBR_TEXT,
+ add_bool( ENC_CFG_PREFIX "cbr", false, ENC_CBR_TEXT,
ENC_CBR_LONGTEXT, false )
#endif
vlc_module_end ()
-#ifndef MODULE_NAME_IS_tremor
+#ifdef HAVE_VORBIS_ENCODER
static const char *const ppsz_enc_options[] = {
"quality", "max-bitrate", "min-bitrate", "cbr", NULL
};
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_VORBIS )
- {
return VLC_EGENERIC;
- }
/* Allocate the memory needed to store the decoder's structure */
- if( ( p_dec->p_sys = p_sys = malloc( sizeof(*p_sys) ) ) == NULL )
+ p_dec->p_sys = p_sys = malloc( sizeof(*p_sys) );
+ if( unlikely( !p_sys ) )
return VLC_ENOMEM;
/* Misc init */
#endif
/* Set callbacks */
- p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
- DecodeBlock;
- p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
- DecodeBlock;
+ p_dec->pf_decode_audio = DecodeBlock;
+ p_dec->pf_packetize = DecodeBlock;
return VLC_SUCCESS;
}
****************************************************************************
* This function must be fed with ogg packets.
****************************************************************************/
-static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
+static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
ogg_packet oggpacket;
}
else
{
- aout_buffer_t *p_aout_buffer = DecodePacket( p_dec, p_oggpacket );
+ block_t *p_aout_buffer = DecodePacket( p_dec, p_oggpacket );
if( p_block )
block_Release( p_block );
return p_aout_buffer;
}
}
+/*****************************************************************************
+ * Interleave: helper function to interleave channels
+ *****************************************************************************/
+static void Interleave( INTERLEAVE_TYPE *p_out, const INTERLEAVE_TYPE **pp_in,
+ int i_nb_channels, int i_samples, int *pi_chan_table)
+{
+ for( int j = 0; j < i_samples; j++ )
+ for( int i = 0; i < i_nb_channels; i++ )
+ p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j]
+#ifdef MODULE_NAME_IS_tremor
+ * (FIXED32_ONE >> 24)
+#endif
+ ;
+}
+
/*****************************************************************************
* DecodePacket: decodes a Vorbis packet.
*****************************************************************************/
-static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
+static block_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_samples;
-#ifdef MODULE_NAME_IS_tremor
- int32_t **pp_pcm;
-#else
- float **pp_pcm;
-#endif
+ INTERLEAVE_TYPE **pp_pcm;
if( p_oggpacket->bytes &&
-#ifdef MODULE_NAME_IS_tremor
- vorbis_synthesis( &p_sys->vb, p_oggpacket, 1 ) == 0 )
-#else
vorbis_synthesis( &p_sys->vb, p_oggpacket ) == 0 )
-#endif
vorbis_synthesis_blockin( &p_sys->vd, &p_sys->vb );
/* **pp_pcm is a multichannel float vector. In stereo, for
if( ( i_samples = vorbis_synthesis_pcmout( &p_sys->vd, &pp_pcm ) ) > 0 )
{
- aout_buffer_t *p_aout_buffer;
+ block_t *p_aout_buffer;
p_aout_buffer =
decoder_NewAudioBuffer( p_dec, i_samples );
if( p_aout_buffer == NULL ) return NULL;
/* Interleave the samples */
-#ifdef MODULE_NAME_IS_tremor
- Interleave( (int32_t *)p_aout_buffer->p_buffer,
- (const int32_t **)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
-#else
- Interleave( (float *)p_aout_buffer->p_buffer,
- (const float **)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
-#endif
+ Interleave( (INTERLEAVE_TYPE*)p_aout_buffer->p_buffer,
+ (const INTERLEAVE_TYPE**)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
/* Tell libvorbis how many samples we actually consumed */
vorbis_synthesis_read( &p_sys->vd, i_samples );
*psz_value = '\0';
psz_value++;
- if( !p_dec->p_description )
- p_dec->p_description = vlc_meta_New();
- if( p_dec->p_description )
- vlc_meta_AddExtra( p_dec->p_description, psz_name, psz_value );
+ /* Don't add empty values */
+ if( *psz_value == '\0' )
+ break;
if( !strcasecmp( psz_name, "REPLAYGAIN_TRACK_GAIN" ) ||
- !strcasecmp( psz_name, "RG_RADIO" ) )
+ !strcasecmp( psz_name, "RG_RADIO" ) )
{
audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
r->pb_peak[AUDIO_REPLAY_GAIN_ALBUM] = true;
r->pf_peak[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
}
+ else if( !strcasecmp( psz_name, "METADATA_BLOCK_PICTURE" ) )
+ { /* Do nothing, for now */ }
+ else
+ {
+ if( !p_dec->p_description )
+ p_dec->p_description = vlc_meta_New();
+ if( p_dec->p_description )
+ vlc_meta_AddExtra( p_dec->p_description, psz_name, psz_value );
+ }
+
}
free( psz_comment );
i++;
}
/*****************************************************************************
- * Interleave: helper function to interleave channels
+ *
*****************************************************************************/
static void ConfigureChannelOrder(int *pi_chan_table, int i_channels, uint32_t i_channel_mask, bool b_decode)
{
const uint32_t *pi_channels_in;
switch( i_channels )
{
+ case 8:
+ pi_channels_in = pi_8channels_in;
+ break;
+ case 7:
+ pi_channels_in = pi_7channels_in;
+ break;
case 6:
case 5:
pi_channels_in = pi_6channels_in;
}
}
+ uint8_t tab[AOUT_CHAN_MAX];
if( b_decode )
aout_CheckChannelReorder( pi_channels_in, NULL,
- i_channel_mask & AOUT_CHAN_PHYSMASK,
- i_channels,
- pi_chan_table );
+ i_channel_mask, tab );
else
aout_CheckChannelReorder( NULL, pi_channels_in,
- i_channel_mask & AOUT_CHAN_PHYSMASK,
- i_channels,
- pi_chan_table );
+ i_channel_mask, tab );
+ for( int i = 0; i < i_channels; i++)
+ pi_chan_table[i] = tab[i];
}
-/*****************************************************************************
- * Interleave: helper function to interleave channels
- *****************************************************************************/
-#ifdef MODULE_NAME_IS_tremor
-static void Interleave( int32_t *p_out, const int32_t **pp_in,
- int i_nb_channels, int i_samples, int *pi_chan_table)
-{
- int i, j;
-
- for ( j = 0; j < i_samples; j++ )
- for ( i = 0; i < i_nb_channels; i++ )
- p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j] * (FIXED32_ONE >> 24);
-}
-#else
-static void Interleave( float *p_out, const float **pp_in,
- int i_nb_channels, int i_samples, int *pi_chan_table )
-{
- int i, j;
-
- for ( j = 0; j < i_samples; j++ )
- for ( i = 0; i < i_nb_channels; i++ )
- p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j];
-}
-#endif
-
/*****************************************************************************
* CloseDecoder: vorbis decoder destruction
*****************************************************************************/
free( p_sys );
}
-#ifndef MODULE_NAME_IS_tremor
-
+#ifdef HAVE_VORBIS_ENCODER
/*****************************************************************************
* encoder_sys_t : vorbis encoder descriptor
*****************************************************************************/
int i_last_block_size;
int i_samples_delay;
- int i_channels;
+ unsigned int i_channels;
/*
** Channel reordering
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys;
- int i_quality, i_min_bitrate, i_max_bitrate, i;
+ int i_quality, i_min_bitrate, i_max_bitrate;
ogg_packet header[3];
- uint8_t *p_extra;
if( p_enc->fmt_out.i_codec != VLC_CODEC_VORBIS &&
!p_enc->b_force )
p_enc->p_sys = p_sys;
p_enc->pf_encode_audio = Encode;
- p_enc->fmt_in.i_codec = VLC_CODEC_FL32;
+ p_enc->fmt_in.i_codec = VLC_CODEC_FL32;
p_enc->fmt_out.i_codec = VLC_CODEC_VORBIS;
config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
/* Create and store headers */
vorbis_analysis_headerout( &p_sys->vd, &p_sys->vc,
&header[0], &header[1], &header[2]);
- p_enc->fmt_out.i_extra = 3 * 2 + header[0].bytes +
- header[1].bytes + header[2].bytes;
- p_extra = p_enc->fmt_out.p_extra = xmalloc( p_enc->fmt_out.i_extra );
- for( i = 0; i < 3; i++ )
+ for( int i = 0; i < 3; i++ )
{
- *(p_extra++) = header[i].bytes >> 8;
- *(p_extra++) = header[i].bytes & 0xFF;
- memcpy( p_extra, header[i].packet, header[i].bytes );
- p_extra += header[i].bytes;
+ if( xiph_AppendHeaders( &p_enc->fmt_out.i_extra, &p_enc->fmt_out.p_extra,
+ header[i].bytes, header[i].packet ) )
+ {
+ p_enc->fmt_out.i_extra = 0;
+ p_enc->fmt_out.p_extra = NULL;
+ }
}
p_sys->i_channels = p_enc->fmt_in.audio.i_channels;
****************************************************************************
* This function spits out ogg packets.
****************************************************************************/
-static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf )
+static block_t *Encode( encoder_t *p_enc, block_t *p_aout_buf )
{
encoder_sys_t *p_sys = p_enc->p_sys;
ogg_packet oggpacket;
block_t *p_block, *p_chain = NULL;
float **buffer;
- int i;
- unsigned int j;
+
+ /* FIXME: flush buffers in here */
+ if( unlikely( !p_aout_buf ) ) return NULL;
mtime_t i_pts = p_aout_buf->i_pts -
(mtime_t)1000000 * (mtime_t)p_sys->i_samples_delay /
buffer = vorbis_analysis_buffer( &p_sys->vd, p_aout_buf->i_nb_samples );
/* convert samples to float and uninterleave */
- for( i = 0; i < p_sys->i_channels; i++ )
+ for( unsigned int i = 0; i < p_sys->i_channels; i++ )
{
- for( j = 0 ; j < p_aout_buf->i_nb_samples ; j++ )
+ for( unsigned int j = 0 ; j < p_aout_buf->i_nb_samples ; j++ )
{
buffer[i][j]= ((float *)p_aout_buf->p_buffer)
[j * p_sys->i_channels + p_sys->pi_chan_table[i]];
free( p_sys );
}
-#endif /* HAVE_VORBIS_VORBISENC_H && !MODULE_NAME_IS_tremor */
+#endif /* HAVE_VORBIS_ENCODER */