/*****************************************************************************
- * vorbis.c: vorbis decoder/encoder/packetizer module making use of libvorbis.
+ * vorbis.c: vorbis decoder/encoder/packetizer module using of libvorbis.
*****************************************************************************
- * Copyright (C) 2001-2003 VideoLAN
+ * Copyright (C) 2001-2003 the VideoLAN team
+ * Copyright (C) 2007 Société des arts technologiques
+ * Copyright (C) 2007 Savoir-faire Linux
+ *
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
-#include <vlc/decoder.h>
-#include <vlc/input.h>
-#include <vlc/sout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_codec.h>
+#include <vlc_aout.h>
+#include <vlc_input.h>
+#include <vlc_sout.h>
#include <ogg/ogg.h>
struct decoder_sys_t
{
/* Module mode */
- vlc_bool_t b_packetizer;
+ bool b_packetizer;
/*
* Input properties
audio_date_t end_date;
int i_last_block_size;
+ /*
+ ** Channel reordering
+ */
+ int pi_chan_table[AOUT_CHAN_MAX];
};
-static int pi_channels_maps[7] =
+static const int pi_channels_maps[9] =
{
0,
AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
+ | 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_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
+ | AOUT_CHAN_LFE
};
+/*
+** channel order as defined in http://www.ogghelp.com/ogg/glossary.cfm#Audio_Channels
+*/
+
+/* 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 };
+
+/* 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 };
+
+/* recommended vorbis channel order for 3 channels */
+static const uint32_t pi_3channels_in[] =
+{ AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT, 0 };
+
/****************************************************************************
* Local prototypes
****************************************************************************/
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 );
+static void Interleave ( int32_t *, const int32_t **, int, int, int * );
#else
-static void Interleave ( float *, const float **, int, int );
+static void Interleave ( float *, const float **, int, int, int * );
#endif
#ifndef MODULE_NAME_IS_tremor
*****************************************************************************/
#define ENC_QUALITY_TEXT N_("Encoding quality")
#define ENC_QUALITY_LONGTEXT N_( \
- "Allows you to specify a quality between 1 (low) and 10 (high), instead " \
+ "Enforce a quality between 1 (low) and 10 (high), instead " \
"of specifying a particular bitrate. This will produce a VBR stream." )
#define ENC_MAXBR_TEXT N_("Maximum encoding bitrate")
#define ENC_MAXBR_LONGTEXT N_( \
- "Allows you to specify a maximum bitrate in kbps. " \
- "Useful for streaming applications." )
+ "Maximum bitrate in kbps. This is useful for streaming applications." )
#define ENC_MINBR_TEXT N_("Minimum encoding bitrate")
#define ENC_MINBR_LONGTEXT N_( \
- "Allows you to specify a minimum bitrate in kbps. " \
- "Useful for encoding for a fixed-size channel." )
-
-vlc_module_begin();
-
- set_description( _("Vorbis audio decoder") );
+ "Minimum bitrate in kbps. This is useful for encoding for a fixed-size channel." )
+#define ENC_CBR_TEXT N_("CBR encoding")
+#define ENC_CBR_LONGTEXT N_( \
+ "Force a constant bitrate encoding (CBR)." )
+
+vlc_module_begin ()
+ set_shortname( "Vorbis" )
+ set_description( N_("Vorbis audio decoder") )
#ifdef MODULE_NAME_IS_tremor
- set_capability( "decoder", 90 );
+ set_capability( "decoder", 90 )
#else
- set_capability( "decoder", 100 );
+ set_capability( "decoder", 100 )
#endif
- set_callbacks( OpenDecoder, CloseDecoder );
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACODEC )
+ set_callbacks( OpenDecoder, CloseDecoder )
- add_submodule();
- set_description( _("Vorbis audio packetizer") );
- set_capability( "packetizer", 100 );
- set_callbacks( OpenPacketizer, CloseDecoder );
+ add_submodule ()
+ set_description( N_("Vorbis audio packetizer") )
+ set_capability( "packetizer", 100 )
+ set_callbacks( OpenPacketizer, CloseDecoder )
#ifndef MODULE_NAME_IS_tremor
# define ENC_CFG_PREFIX "sout-vorbis-"
- add_submodule();
- set_description( _("Vorbis audio encoder") );
- set_capability( "encoder", 100 );
- set_callbacks( OpenEncoder, CloseEncoder );
+ add_submodule ()
+ set_description( N_("Vorbis audio encoder") )
+ set_capability( "encoder", 100 )
+#if defined(HAVE_VORBIS_VORBISENC_H)
+ set_callbacks( OpenEncoder, CloseEncoder )
+#endif
add_integer( ENC_CFG_PREFIX "quality", 0, NULL, ENC_QUALITY_TEXT,
- ENC_QUALITY_LONGTEXT, VLC_FALSE );
+ ENC_QUALITY_LONGTEXT, false )
+ change_integer_range( 0, 10 )
add_integer( ENC_CFG_PREFIX "max-bitrate", 0, NULL, ENC_MAXBR_TEXT,
- ENC_MAXBR_LONGTEXT, VLC_FALSE );
+ ENC_MAXBR_LONGTEXT, false )
add_integer( ENC_CFG_PREFIX "min-bitrate", 0, NULL, ENC_MINBR_TEXT,
- ENC_MINBR_LONGTEXT, VLC_FALSE );
+ ENC_MINBR_LONGTEXT, false )
+ add_bool( ENC_CFG_PREFIX "cbr", 0, NULL, ENC_CBR_TEXT,
+ ENC_CBR_LONGTEXT, false )
#endif
-vlc_module_end();
+vlc_module_end ()
#ifndef MODULE_NAME_IS_tremor
-static const char *ppsz_enc_options[] = {
- "quality", "max-bitrate", "min-bitrate", NULL
+static const char *const ppsz_enc_options[] = {
+ "quality", "max-bitrate", "min-bitrate", "cbr", NULL
};
#endif
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
- {
- msg_Err( p_dec, "out of memory" );
- return VLC_EGENERIC;
- }
+ return VLC_ENOMEM;
/* Misc init */
aout_DateSet( &p_sys->end_date, 0 );
- p_sys->b_packetizer = VLC_FALSE;
+ p_sys->i_last_block_size = 0;
+ p_sys->b_packetizer = false;
p_sys->i_headers = 0;
/* Take care of vorbis init */
if( i_ret == VLC_SUCCESS )
{
- p_dec->p_sys->b_packetizer = VLC_TRUE;
+ p_dec->p_sys->b_packetizer = true;
p_dec->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
}
if( p_sys->i_headers == 0 && p_dec->fmt_in.i_extra )
{
/* Headers already available as extra data */
+ msg_Dbg( p_dec, "headers already available as extra data" );
p_sys->i_headers = 3;
}
else if( oggpacket.bytes && p_sys->i_headers < 3 )
p_dec->fmt_in.p_extra =
realloc( p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra +
oggpacket.bytes + 2 );
- p_extra = p_dec->fmt_in.p_extra + p_dec->fmt_in.i_extra;
+ p_extra = (uint8_t *)p_dec->fmt_in.p_extra + p_dec->fmt_in.i_extra;
*(p_extra++) = oggpacket.bytes >> 8;
*(p_extra++) = oggpacket.bytes & 0xFF;
/* Setup the format */
p_dec->fmt_out.audio.i_rate = p_sys->vi.rate;
p_dec->fmt_out.audio.i_channels = p_sys->vi.channels;
+
+ if( p_dec->fmt_out.audio.i_channels > 9 )
+ {
+ msg_Err( p_dec, "invalid number of channels (not between 1 and 9): %i",
+ p_dec->fmt_out.audio.i_channels );
+ return VLC_EGENERIC;
+ }
+
p_dec->fmt_out.audio.i_physical_channels =
p_dec->fmt_out.audio.i_original_channels =
pi_channels_maps[p_sys->vi.channels];
p_dec->fmt_out.i_bitrate = p_sys->vi.bitrate_nominal;
aout_DateInit( &p_sys->end_date, p_sys->vi.rate );
- aout_DateSet( &p_sys->end_date, 0 );
msg_Dbg( p_dec, "channels:%d samplerate:%ld bitrate:%ld",
p_sys->vi.channels, p_sys->vi.rate, p_sys->vi.bitrate_nominal );
p_dec->fmt_in.p_extra, p_dec->fmt_out.i_extra );
}
+ ConfigureChannelOrder(p_sys->pi_chan_table, p_sys->vi.channels,
+ p_dec->fmt_out.audio.i_physical_channels, true);
+
return VLC_SUCCESS;
}
#endif
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
aout_buffer_t *p_aout_buffer;
p_aout_buffer =
- p_dec->pf_aout_buffer_new( p_dec, i_samples );
+ 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 );
+ (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 );
+ (const float **)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
#endif
/* Tell libvorbis how many samples we actually consumed */
/* Date management */
p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
- p_aout_buffer->end_date = aout_DateIncrement( &p_sys->end_date,
- i_samples );
+ p_aout_buffer->end_date = aout_DateIncrement( &p_sys->end_date, i_samples );
return p_aout_buffer;
}
else
p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->end_date );
if( p_sys->i_headers >= 3 )
- p_block->i_length = aout_DateIncrement( &p_sys->end_date, i_samples ) -
- p_block->i_pts;
+ p_block->i_length = aout_DateIncrement( &p_sys->end_date, i_samples ) - p_block->i_pts;
else
p_block->i_length = 0;
}
/*****************************************************************************
- * ParseVorbisComments: FIXME should be done in demuxer
+ * ParseVorbisComments
*****************************************************************************/
static void ParseVorbisComments( decoder_t *p_dec )
{
- input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
char *psz_name, *psz_value, *psz_comment;
int i = 0;
- if( p_input->i_object_type != VLC_OBJECT_INPUT ) return;
-
while( i < p_dec->p_sys->vc.comments )
{
psz_comment = strdup( p_dec->p_sys->vc.user_comments[i] );
if( !psz_comment )
- {
- msg_Warn( p_dec, "out of memory" );
break;
- }
psz_name = psz_comment;
psz_value = strchr( psz_comment, '=' );
if( psz_value )
{
*psz_value = '\0';
psz_value++;
- input_Control( p_input, INPUT_ADD_INFO, _("Vorbis comment"),
- psz_name, 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 );
+
+ if( !strcasecmp( psz_name, "REPLAYGAIN_TRACK_GAIN" ) ||
+ !strcasecmp( psz_name, "RG_RADIO" ) )
+ {
+ audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
+
+ r->pb_gain[AUDIO_REPLAY_GAIN_TRACK] = true;
+ r->pf_gain[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
+ }
+ else if( !strcasecmp( psz_name, "REPLAYGAIN_TRACK_PEAK" ) ||
+ !strcasecmp( psz_name, "RG_PEAK" ) )
+ {
+ audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
+
+ r->pb_peak[AUDIO_REPLAY_GAIN_TRACK] = true;
+ r->pf_peak[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
+ }
+ else if( !strcasecmp( psz_name, "REPLAYGAIN_ALBUM_GAIN" ) ||
+ !strcasecmp( psz_name, "RG_AUDIOPHILE" ) )
+ {
+ audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
+
+ r->pb_gain[AUDIO_REPLAY_GAIN_ALBUM] = true;
+ r->pf_gain[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
+ }
+ else if( !strcasecmp( psz_name, "REPLAYGAIN_ALBUM_PEAK" ) )
+ {
+ 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 );
+ }
}
free( psz_comment );
i++;
/*****************************************************************************
* Interleave: helper function to interleave channels
*****************************************************************************/
-static void Interleave(
+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 6:
+ case 5:
+ pi_channels_in = pi_6channels_in;
+ break;
+ case 4:
+ pi_channels_in = pi_4channels_in;
+ break;
+ case 3:
+ pi_channels_in = pi_3channels_in;
+ break;
+ default:
+ {
+ int i;
+ for( i = 0; i< i_channels; ++i )
+ {
+ pi_chan_table[i] = i;
+ }
+ return;
+ }
+ }
+
+ if( b_decode )
+ aout_CheckChannelReorder( pi_channels_in, NULL,
+ i_channel_mask & AOUT_CHAN_PHYSMASK,
+ i_channels,
+ pi_chan_table );
+ else
+ aout_CheckChannelReorder( NULL, pi_channels_in,
+ i_channel_mask & AOUT_CHAN_PHYSMASK,
+ i_channels,
+ pi_chan_table );
+}
+
+/*****************************************************************************
+ * Interleave: helper function to interleave channels
+ *****************************************************************************/
#ifdef MODULE_NAME_IS_tremor
- int32_t *p_out, const int32_t **pp_in,
+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
- float *p_out, const float **pp_in,
-#endif
- int i_nb_channels, int i_samples )
+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 + i] = pp_in[i][j];
- }
- }
+ p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j];
}
+#endif
/*****************************************************************************
* CloseDecoder: vorbis decoder destruction
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
- if( !p_sys->b_packetizer && p_sys->i_headers >= 3 )
+ if( !p_sys->b_packetizer && p_sys->i_headers > 3 )
{
vorbis_block_clear( &p_sys->vb );
vorbis_dsp_clear( &p_sys->vd );
* Common properties
*/
mtime_t i_pts;
+
+ /*
+ ** Channel reordering
+ */
+ int pi_chan_table[AOUT_CHAN_MAX];
+
};
/*****************************************************************************
/* Allocate the memory needed to store the decoder's structure */
if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
- {
- msg_Err( p_enc, "out of memory" );
- return VLC_EGENERIC;
- }
+ return VLC_ENOMEM;
p_enc->p_sys = p_sys;
p_enc->pf_encode_audio = Encode;
- p_enc->fmt_in.i_codec = AUDIO_FMT_S16_NE;
+ p_enc->fmt_in.i_codec = VLC_FOURCC('f','l','3','2');
p_enc->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
- sout_CfgParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
+ config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
var_Get( p_enc, ENC_CFG_PREFIX "quality", &val );
i_quality = val.i_int;
if( i_quality > 10 ) i_quality = 10;
if( i_quality < 0 ) i_quality = 0;
+ var_Get( p_enc, ENC_CFG_PREFIX "cbr", &val );
+ if( val.b_bool ) i_quality = 0;
var_Get( p_enc, ENC_CFG_PREFIX "max-bitrate", &val );
i_max_bitrate = val.i_int;
var_Get( p_enc, ENC_CFG_PREFIX "min-bitrate", &val );
p_sys->i_samples_delay = 0;
p_sys->i_pts = 0;
+ ConfigureChannelOrder(p_sys->pi_chan_table, p_sys->vi.channels,
+ p_enc->fmt_in.audio.i_physical_channels, true);
+
return VLC_SUCCESS;
}
{
for( j = 0 ; j < p_aout_buf->i_nb_samples ; j++ )
{
- buffer[i][j]= ((float)( ((int16_t *)p_aout_buf->p_buffer )
- [j * p_sys->i_channels + i ] )) / 32768.f;
+ buffer[i][j]= ((float *)p_aout_buf->p_buffer)
+ [j * p_sys->i_channels + p_sys->pi_chan_table[i]];
}
}