1 /*****************************************************************************
2 * vorbis.c: vorbis decoder/encoder/packetizer module using of libvorbis.
3 *****************************************************************************
4 * Copyright (C) 2001-2003 the VideoLAN team
5 * Copyright (C) 2007 Société des arts technologiques
6 * Copyright (C) 2007 Savoir-faire Linux
10 * Authors: Gildas Bazin <gbazin@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
31 #include <vlc_codec.h>
33 #include <vlc_input.h>
34 #include <vlc_playlist.h>
39 #ifdef MODULE_NAME_IS_tremor
40 #include <tremor/ivorbiscodec.h>
43 #include <vorbis/codec.h>
46 #ifdef HAVE_VORBIS_VORBISENC_H
47 # include <vorbis/vorbisenc.h>
48 # ifndef OV_ECTL_RATEMANAGE_AVG
49 # define OV_ECTL_RATEMANAGE_AVG 0x0
55 /*****************************************************************************
56 * decoder_sys_t : vorbis decoder descriptor
57 *****************************************************************************/
61 vlc_bool_t b_packetizer;
71 vorbis_info vi; /* struct that stores all the static vorbis bitstream
73 vorbis_comment vc; /* struct that stores all the bitstream user
75 vorbis_dsp_state vd; /* central working state for the packet->PCM
77 vorbis_block vb; /* local working space for packet->PCM decode */
82 audio_date_t end_date;
83 int i_last_block_size;
90 int pi_chan_table[AOUT_CHAN_MAX];
93 static int pi_channels_maps[9] =
97 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
98 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
99 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
100 | AOUT_CHAN_REARRIGHT,
101 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
102 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
103 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
104 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
105 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
106 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
107 | AOUT_CHAN_MIDDLERIGHT,
108 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
109 | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
114 ** channel order as defined in http://www.ogghelp.com/ogg/glossary.cfm#Audio_Channels
117 /* recommended vorbis channel order for 6 channels */
118 static const uint32_t pi_6channels_in[] =
119 { AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
120 AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,AOUT_CHAN_LFE,0 };
122 /* recommended vorbis channel order for 4 channels */
123 static const uint32_t pi_4channels_in[] =
124 { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
126 /* recommended vorbis channel order for 3 channels */
127 static const uint32_t pi_3channels_in[] =
128 { AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT, 0 };
130 /* our internal channel order (WG-4 order) */
131 static const uint32_t pi_channels_out[] =
132 { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
133 AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
135 /****************************************************************************
137 ****************************************************************************/
138 static int OpenDecoder ( vlc_object_t * );
139 static int OpenPacketizer( vlc_object_t * );
140 static void CloseDecoder ( vlc_object_t * );
141 static void *DecodeBlock ( decoder_t *, block_t ** );
143 static int ProcessHeaders( decoder_t * );
144 static void *ProcessPacket ( decoder_t *, ogg_packet *, block_t ** );
146 static aout_buffer_t *DecodePacket ( decoder_t *, ogg_packet * );
147 static block_t *SendPacket( decoder_t *, ogg_packet *, block_t * );
149 static void ParseVorbisComments( decoder_t * );
151 static void ConfigureChannelOrder(int *, int, uint32_t, vlc_bool_t );
153 #ifdef MODULE_NAME_IS_tremor
154 static void Interleave ( int32_t *, const int32_t **, int, int, int * );
156 static void Interleave ( float *, const float **, int, int, int * );
159 #ifndef MODULE_NAME_IS_tremor
160 static int OpenEncoder ( vlc_object_t * );
161 static void CloseEncoder ( vlc_object_t * );
162 static block_t *Encode ( encoder_t *, aout_buffer_t * );
165 /*****************************************************************************
167 *****************************************************************************/
168 #define ENC_QUALITY_TEXT N_("Encoding quality")
169 #define ENC_QUALITY_LONGTEXT N_( \
170 "Enforce a quality between 1 (low) and 10 (high), instead " \
171 "of specifying a particular bitrate. This will produce a VBR stream." )
172 #define ENC_MAXBR_TEXT N_("Maximum encoding bitrate")
173 #define ENC_MAXBR_LONGTEXT N_( \
174 "Maximum bitrate in kbps. This is useful for streaming applications." )
175 #define ENC_MINBR_TEXT N_("Minimum encoding bitrate")
176 #define ENC_MINBR_LONGTEXT N_( \
177 "Minimum bitrate in kbps. This is useful for encoding for a fixed-size channel." )
178 #define ENC_CBR_TEXT N_("CBR encoding")
179 #define ENC_CBR_LONGTEXT N_( \
180 "Force a constant bitrate encoding (CBR)." )
183 set_shortname( "Vorbis" );
184 set_description( _("Vorbis audio decoder") );
185 #ifdef MODULE_NAME_IS_tremor
186 set_capability( "decoder", 90 );
188 set_capability( "decoder", 100 );
190 set_category( CAT_INPUT );
191 set_subcategory( SUBCAT_INPUT_ACODEC );
192 set_callbacks( OpenDecoder, CloseDecoder );
195 set_description( _("Vorbis audio packetizer") );
196 set_capability( "packetizer", 100 );
197 set_callbacks( OpenPacketizer, CloseDecoder );
199 #ifndef MODULE_NAME_IS_tremor
200 # define ENC_CFG_PREFIX "sout-vorbis-"
202 set_description( _("Vorbis audio encoder") );
203 set_capability( "encoder", 100 );
204 #if defined(HAVE_VORBIS_VORBISENC_H)
205 set_callbacks( OpenEncoder, CloseEncoder );
208 add_integer( ENC_CFG_PREFIX "quality", 0, NULL, ENC_QUALITY_TEXT,
209 ENC_QUALITY_LONGTEXT, VLC_FALSE );
210 add_integer( ENC_CFG_PREFIX "max-bitrate", 0, NULL, ENC_MAXBR_TEXT,
211 ENC_MAXBR_LONGTEXT, VLC_FALSE );
212 add_integer( ENC_CFG_PREFIX "min-bitrate", 0, NULL, ENC_MINBR_TEXT,
213 ENC_MINBR_LONGTEXT, VLC_FALSE );
214 add_bool( ENC_CFG_PREFIX "cbr", 0, NULL, ENC_CBR_TEXT,
215 ENC_CBR_LONGTEXT, VLC_FALSE );
220 #ifndef MODULE_NAME_IS_tremor
221 static const char *ppsz_enc_options[] = {
222 "quality", "max-bitrate", "min-bitrate", "cbr", NULL
226 /*****************************************************************************
227 * OpenDecoder: probe the decoder and return score
228 *****************************************************************************/
229 static int OpenDecoder( vlc_object_t *p_this )
231 decoder_t *p_dec = (decoder_t*)p_this;
232 decoder_sys_t *p_sys;
234 if( p_dec->fmt_in.i_codec != VLC_FOURCC('v','o','r','b') )
239 /* Allocate the memory needed to store the decoder's structure */
240 if( ( p_dec->p_sys = p_sys =
241 (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
243 msg_Err( p_dec, "out of memory" );
248 aout_DateSet( &p_sys->end_date, 0 );
249 p_sys->i_last_block_size = 0;
250 p_sys->b_packetizer = VLC_FALSE;
251 p_sys->i_headers = 0;
252 p_sys->i_input_rate = INPUT_RATE_DEFAULT;
254 /* Take care of vorbis init */
255 vorbis_info_init( &p_sys->vi );
256 vorbis_comment_init( &p_sys->vc );
258 /* Set output properties */
259 p_dec->fmt_out.i_cat = AUDIO_ES;
260 #ifdef MODULE_NAME_IS_tremor
261 p_dec->fmt_out.i_codec = VLC_FOURCC('f','i','3','2');
263 p_dec->fmt_out.i_codec = VLC_FOURCC('f','l','3','2');
267 p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
269 p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
275 static int OpenPacketizer( vlc_object_t *p_this )
277 decoder_t *p_dec = (decoder_t*)p_this;
279 int i_ret = OpenDecoder( p_this );
281 if( i_ret == VLC_SUCCESS )
283 p_dec->p_sys->b_packetizer = VLC_TRUE;
284 p_dec->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
290 /****************************************************************************
291 * DecodeBlock: the whole thing
292 ****************************************************************************
293 * This function must be fed with ogg packets.
294 ****************************************************************************/
295 static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
297 decoder_sys_t *p_sys = p_dec->p_sys;
298 ogg_packet oggpacket;
300 if( !pp_block ) return NULL;
304 /* Block to Ogg packet */
305 oggpacket.packet = (*pp_block)->p_buffer;
306 oggpacket.bytes = (*pp_block)->i_buffer;
308 if( (*pp_block)->i_rate > 0 )
309 p_sys->i_input_rate = (*pp_block)->i_rate;
313 if( p_sys->b_packetizer ) return NULL;
315 /* Block to Ogg packet */
316 oggpacket.packet = NULL;
320 oggpacket.granulepos = -1;
323 oggpacket.packetno = 0;
325 /* Check for headers */
326 if( p_sys->i_headers == 0 && p_dec->fmt_in.i_extra )
328 /* Headers already available as extra data */
329 msg_Dbg( p_dec, "headers already available as extra data" );
330 p_sys->i_headers = 3;
332 else if( oggpacket.bytes && p_sys->i_headers < 3 )
334 /* Backup headers as extra data */
337 p_dec->fmt_in.p_extra =
338 realloc( p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra +
339 oggpacket.bytes + 2 );
340 p_extra = (uint8_t *)p_dec->fmt_in.p_extra + p_dec->fmt_in.i_extra;
341 *(p_extra++) = oggpacket.bytes >> 8;
342 *(p_extra++) = oggpacket.bytes & 0xFF;
344 memcpy( p_extra, oggpacket.packet, oggpacket.bytes );
345 p_dec->fmt_in.i_extra += oggpacket.bytes + 2;
347 block_Release( *pp_block );
352 if( p_sys->i_headers == 3 )
354 if( ProcessHeaders( p_dec ) != VLC_SUCCESS )
356 p_sys->i_headers = 0;
357 p_dec->fmt_in.i_extra = 0;
358 block_Release( *pp_block );
361 else p_sys->i_headers++;
364 return ProcessPacket( p_dec, &oggpacket, pp_block );
367 /*****************************************************************************
368 * ProcessHeaders: process Vorbis headers.
369 *****************************************************************************/
370 static int ProcessHeaders( decoder_t *p_dec )
372 decoder_sys_t *p_sys = p_dec->p_sys;
373 ogg_packet oggpacket;
377 if( !p_dec->fmt_in.i_extra ) return VLC_EGENERIC;
379 oggpacket.granulepos = -1;
380 oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
382 oggpacket.packetno = 0;
383 p_extra = p_dec->fmt_in.p_extra;
384 i_extra = p_dec->fmt_in.i_extra;
386 /* Take care of the initial Vorbis header */
387 oggpacket.bytes = *(p_extra++) << 8;
388 oggpacket.bytes |= (*(p_extra++) & 0xFF);
389 oggpacket.packet = p_extra;
390 p_extra += oggpacket.bytes;
391 i_extra -= (oggpacket.bytes + 2);
394 msg_Err( p_dec, "header data corrupted");
398 if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
400 msg_Err( p_dec, "this bitstream does not contain Vorbis audio data");
404 /* Setup the format */
405 p_dec->fmt_out.audio.i_rate = p_sys->vi.rate;
406 p_dec->fmt_out.audio.i_channels = p_sys->vi.channels;
408 if( p_dec->fmt_out.audio.i_channels > 9 )
410 msg_Err( p_dec, "invalid number of channels (not between 1 and 9): %i",
411 p_dec->fmt_out.audio.i_channels );
415 p_dec->fmt_out.audio.i_physical_channels =
416 p_dec->fmt_out.audio.i_original_channels =
417 pi_channels_maps[p_sys->vi.channels];
418 p_dec->fmt_out.i_bitrate = p_sys->vi.bitrate_nominal;
420 aout_DateInit( &p_sys->end_date, p_sys->vi.rate );
422 msg_Dbg( p_dec, "channels:%d samplerate:%ld bitrate:%ld",
423 p_sys->vi.channels, p_sys->vi.rate, p_sys->vi.bitrate_nominal );
425 /* The next packet in order is the comments header */
427 oggpacket.bytes = *(p_extra++) << 8;
428 oggpacket.bytes |= (*(p_extra++) & 0xFF);
429 oggpacket.packet = p_extra;
430 p_extra += oggpacket.bytes;
431 i_extra -= (oggpacket.bytes + 2);
434 msg_Err( p_dec, "header data corrupted");
438 if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
440 msg_Err( p_dec, "2nd Vorbis header is corrupted" );
443 ParseVorbisComments( p_dec );
445 /* The next packet in order is the codebooks header
446 * We need to watch out that this packet is not missing as a
447 * missing or corrupted header is fatal. */
448 oggpacket.bytes = *(p_extra++) << 8;
449 oggpacket.bytes |= (*(p_extra++) & 0xFF);
450 oggpacket.packet = p_extra;
451 i_extra -= (oggpacket.bytes + 2);
454 msg_Err( p_dec, "header data corrupted");
458 if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
460 msg_Err( p_dec, "3rd Vorbis header is corrupted" );
464 if( !p_sys->b_packetizer )
466 /* Initialize the Vorbis packet->PCM decoder */
467 vorbis_synthesis_init( &p_sys->vd, &p_sys->vi );
468 vorbis_block_init( &p_sys->vd, &p_sys->vb );
472 p_dec->fmt_out.i_extra = p_dec->fmt_in.i_extra;
473 p_dec->fmt_out.p_extra =
474 realloc( p_dec->fmt_out.p_extra, p_dec->fmt_out.i_extra );
475 memcpy( p_dec->fmt_out.p_extra,
476 p_dec->fmt_in.p_extra, p_dec->fmt_out.i_extra );
479 ConfigureChannelOrder(p_sys->pi_chan_table, p_sys->vi.channels,
480 p_dec->fmt_out.audio.i_physical_channels, VLC_TRUE);
485 /*****************************************************************************
486 * ProcessPacket: processes a Vorbis packet.
487 *****************************************************************************/
488 static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
491 decoder_sys_t *p_sys = p_dec->p_sys;
492 block_t *p_block = *pp_block;
494 /* Date management */
495 if( p_block && p_block->i_pts > 0 &&
496 p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
498 aout_DateSet( &p_sys->end_date, p_block->i_pts );
501 if( !aout_DateGet( &p_sys->end_date ) )
503 /* We've just started the stream, wait for the first PTS. */
504 if( p_block ) block_Release( p_block );
508 *pp_block = NULL; /* To avoid being fed the same packet again */
510 if( p_sys->b_packetizer )
512 return SendPacket( p_dec, p_oggpacket, p_block );
516 aout_buffer_t *p_aout_buffer;
518 if( p_sys->i_headers >= 3 )
519 p_aout_buffer = DecodePacket( p_dec, p_oggpacket );
521 p_aout_buffer = NULL;
523 if( p_block ) block_Release( p_block );
524 return p_aout_buffer;
528 /*****************************************************************************
529 * DecodePacket: decodes a Vorbis packet.
530 *****************************************************************************/
531 static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
533 decoder_sys_t *p_sys = p_dec->p_sys;
536 #ifdef MODULE_NAME_IS_tremor
542 if( p_oggpacket->bytes &&
543 #ifdef MODULE_NAME_IS_tremor
544 vorbis_synthesis( &p_sys->vb, p_oggpacket, 1 ) == 0 )
546 vorbis_synthesis( &p_sys->vb, p_oggpacket ) == 0 )
548 vorbis_synthesis_blockin( &p_sys->vd, &p_sys->vb );
550 /* **pp_pcm is a multichannel float vector. In stereo, for
551 * example, pp_pcm[0] is left, and pp_pcm[1] is right. i_samples is
552 * the size of each channel. Convert the float values
553 * (-1.<=range<=1.) to whatever PCM format and write it out */
555 if( ( i_samples = vorbis_synthesis_pcmout( &p_sys->vd, &pp_pcm ) ) > 0 )
558 aout_buffer_t *p_aout_buffer;
561 p_dec->pf_aout_buffer_new( p_dec, i_samples );
563 if( p_aout_buffer == NULL ) return NULL;
565 /* Interleave the samples */
566 #ifdef MODULE_NAME_IS_tremor
567 Interleave( (int32_t *)p_aout_buffer->p_buffer,
568 (const int32_t **)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
570 Interleave( (float *)p_aout_buffer->p_buffer,
571 (const float **)pp_pcm, p_sys->vi.channels, i_samples, p_sys->pi_chan_table);
574 /* Tell libvorbis how many samples we actually consumed */
575 vorbis_synthesis_read( &p_sys->vd, i_samples );
577 /* Date management */
578 p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
579 p_aout_buffer->end_date = aout_DateIncrement( &p_sys->end_date,
580 i_samples * p_sys->i_input_rate / INPUT_RATE_DEFAULT );
581 return p_aout_buffer;
589 /*****************************************************************************
590 * SendPacket: send an ogg dated packet to the stream output.
591 *****************************************************************************/
592 static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
595 decoder_sys_t *p_sys = p_dec->p_sys;
596 int i_block_size, i_samples;
598 i_block_size = vorbis_packet_blocksize( &p_sys->vi, p_oggpacket );
599 if( i_block_size < 0 ) i_block_size = 0; /* non audio packet */
600 i_samples = ( p_sys->i_last_block_size + i_block_size ) >> 2;
601 p_sys->i_last_block_size = i_block_size;
603 /* Date management */
604 p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->end_date );
606 if( p_sys->i_headers >= 3 )
607 p_block->i_length = aout_DateIncrement( &p_sys->end_date,
608 i_samples * p_sys->i_input_rate / INPUT_RATE_DEFAULT ) -
611 p_block->i_length = 0;
616 /*****************************************************************************
617 * ParseVorbisComments
618 *****************************************************************************/
619 static void ParseVorbisComments( decoder_t *p_dec )
621 input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
622 char *psz_name, *psz_value, *psz_comment;
623 input_item_t *p_item;
626 if( p_input->i_object_type != VLC_OBJECT_INPUT ) return;
628 p_item = input_GetItem( p_input );
630 while( i < p_dec->p_sys->vc.comments )
632 psz_comment = strdup( p_dec->p_sys->vc.user_comments[i] );
635 msg_Warn( p_dec, "out of memory" );
638 psz_name = psz_comment;
639 psz_value = strchr( psz_comment, '=' );
644 input_Control( p_input, INPUT_ADD_INFO, _("Vorbis comment"),
645 psz_name, "%s", psz_value );
647 if( !strcasecmp( psz_name, "artist" ) )
649 if( psz_value && ( *psz_value != '\0' ) )
651 input_item_SetArtist( p_item, psz_value );
652 input_ItemAddInfo( p_item,
653 _(VLC_META_INFO_CAT),
658 else if( !strcasecmp( psz_name, "title" ) )
660 if( psz_value && ( *psz_value != '\0' ) )
662 input_item_SetTitle( p_item, psz_value );
663 p_item->psz_name = strdup( psz_value );
666 else if( !strcasecmp( psz_name, "album" ) )
668 if( psz_value && ( *psz_value != '\0' ) )
670 input_item_SetAlbum( p_item, psz_value );
673 else if( !strcasecmp( psz_name, "musicbrainz_trackid" ) )
675 if( psz_value && ( *psz_value != '\0' ) )
677 input_item_SetTrackID( p_item, psz_value );
681 else if( !strcasecmp( psz_name, "musicbrainz_artistid" ) )
683 if( psz_value && ( *psz_value != '\0' ) )
685 vlc_meta_SetArtistID( p_item, psz_value );
688 else if( !strcasecmp( psz_name, "musicbrainz_albumid" ) )
690 if( psz_value && ( *psz_value != '\0' ) )
692 input_item_SetAlbumID( p_item, psz_value );
697 if( !strcasecmp( psz_name, "REPLAYGAIN_TRACK_GAIN" ) ||
698 !strcasecmp( psz_name, "RG_RADIO" ) )
700 audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
702 r->pb_gain[AUDIO_REPLAY_GAIN_TRACK] = VLC_TRUE;
703 r->pf_gain[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
705 else if( !strcasecmp( psz_name, "REPLAYGAIN_TRACK_PEAK" ) ||
706 !strcasecmp( psz_name, "RG_PEAK" ) )
708 audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
710 r->pb_peak[AUDIO_REPLAY_GAIN_TRACK] = VLC_TRUE;
711 r->pf_peak[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
713 else if( !strcasecmp( psz_name, "REPLAYGAIN_ALBUM_GAIN" ) ||
714 !strcasecmp( psz_name, "RG_AUDIOPHILE" ) )
716 audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
718 r->pb_gain[AUDIO_REPLAY_GAIN_ALBUM] = VLC_TRUE;
719 r->pf_gain[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
721 else if( !strcasecmp( psz_name, "REPLAYGAIN_ALBUM_PEAK" ) )
723 audio_replay_gain_t *r = &p_dec->fmt_out.audio_replay_gain;
725 r->pb_peak[AUDIO_REPLAY_GAIN_ALBUM] = VLC_TRUE;
726 r->pf_peak[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
729 var_SetInteger( pl_Get( p_input ), "item-change", p_item->i_id );
735 /*****************************************************************************
736 * Interleave: helper function to interleave channels
737 *****************************************************************************/
738 static void ConfigureChannelOrder(int *pi_chan_table, int i_channels, uint32_t i_channel_mask, vlc_bool_t b_decode)
740 const uint32_t *pi_channels_in;
745 pi_channels_in = pi_6channels_in;
748 pi_channels_in = pi_4channels_in;
751 pi_channels_in = pi_3channels_in;
756 for( i = 0; i< i_channels; ++i )
758 pi_chan_table[i] = i;
765 aout_CheckChannelReorder( pi_channels_in, pi_channels_out,
766 i_channel_mask & AOUT_CHAN_PHYSMASK,
770 aout_CheckChannelReorder( pi_channels_out, pi_channels_in,
771 i_channel_mask & AOUT_CHAN_PHYSMASK,
776 /*****************************************************************************
777 * Interleave: helper function to interleave channels
778 *****************************************************************************/
779 #ifdef MODULE_NAME_IS_tremor
780 static void Interleave( int32_t *p_out, const int32_t **pp_in,
781 int i_nb_channels, int i_samples, int *pi_chan_table)
785 for ( j = 0; j < i_samples; j++ )
786 for ( i = 0; i < i_nb_channels; i++ )
787 p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j] * (FIXED32_ONE >> 24);
790 static void Interleave( float *p_out, const float **pp_in,
791 int i_nb_channels, int i_samples, int *pi_chan_table )
795 for ( j = 0; j < i_samples; j++ )
796 for ( i = 0; i < i_nb_channels; i++ )
797 p_out[j * i_nb_channels + pi_chan_table[i]] = pp_in[i][j];
801 /*****************************************************************************
802 * CloseDecoder: vorbis decoder destruction
803 *****************************************************************************/
804 static void CloseDecoder( vlc_object_t *p_this )
806 decoder_t *p_dec = (decoder_t *)p_this;
807 decoder_sys_t *p_sys = p_dec->p_sys;
809 if( !p_sys->b_packetizer && p_sys->i_headers > 3 )
811 vorbis_block_clear( &p_sys->vb );
812 vorbis_dsp_clear( &p_sys->vd );
815 vorbis_comment_clear( &p_sys->vc );
816 vorbis_info_clear( &p_sys->vi ); /* must be called last */
821 #if defined(HAVE_VORBIS_VORBISENC_H) && !defined(MODULE_NAME_IS_tremor)
823 /*****************************************************************************
824 * encoder_sys_t : vorbis encoder descriptor
825 *****************************************************************************/
831 vorbis_info vi; /* struct that stores all the static vorbis bitstream
833 vorbis_comment vc; /* struct that stores all the bitstream user
835 vorbis_dsp_state vd; /* central working state for the packet->PCM
837 vorbis_block vb; /* local working space for packet->PCM decode */
839 int i_last_block_size;
849 ** Channel reordering
851 int pi_chan_table[AOUT_CHAN_MAX];
855 /*****************************************************************************
856 * OpenEncoder: probe the encoder and return score
857 *****************************************************************************/
858 static int OpenEncoder( vlc_object_t *p_this )
860 encoder_t *p_enc = (encoder_t *)p_this;
861 encoder_sys_t *p_sys;
862 int i_quality, i_min_bitrate, i_max_bitrate, i;
863 ogg_packet header[3];
867 if( p_enc->fmt_out.i_codec != VLC_FOURCC('v','o','r','b') &&
873 /* Allocate the memory needed to store the decoder's structure */
874 if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
876 msg_Err( p_enc, "out of memory" );
879 p_enc->p_sys = p_sys;
881 p_enc->pf_encode_audio = Encode;
882 p_enc->fmt_in.i_codec = VLC_FOURCC('f','l','3','2');
883 p_enc->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
885 config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
887 var_Get( p_enc, ENC_CFG_PREFIX "quality", &val );
888 i_quality = val.i_int;
889 if( i_quality > 10 ) i_quality = 10;
890 if( i_quality < 0 ) i_quality = 0;
891 var_Get( p_enc, ENC_CFG_PREFIX "cbr", &val );
892 if( val.b_bool ) i_quality = 0;
893 var_Get( p_enc, ENC_CFG_PREFIX "max-bitrate", &val );
894 i_max_bitrate = val.i_int;
895 var_Get( p_enc, ENC_CFG_PREFIX "min-bitrate", &val );
896 i_min_bitrate = val.i_int;
898 /* Initialize vorbis encoder */
899 vorbis_info_init( &p_sys->vi );
904 if( vorbis_encode_setup_vbr( &p_sys->vi,
905 p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.audio.i_rate,
908 vorbis_info_clear( &p_sys->vi );
909 free( p_enc->p_sys );
910 msg_Err( p_enc, "VBR mode initialisation failed" );
914 /* Do we have optional hard quality restrictions? */
915 if( i_max_bitrate > 0 || i_min_bitrate > 0 )
917 struct ovectl_ratemanage_arg ai;
918 vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_GET, &ai );
920 ai.bitrate_hard_min = i_min_bitrate;
921 ai.bitrate_hard_max = i_max_bitrate;
922 ai.management_active = 1;
924 vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_SET, &ai );
929 /* Turn off management entirely */
930 vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_SET, NULL );
935 if( vorbis_encode_setup_managed( &p_sys->vi,
936 p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.audio.i_rate,
937 i_min_bitrate > 0 ? i_min_bitrate * 1000: -1,
938 p_enc->fmt_out.i_bitrate,
939 i_max_bitrate > 0 ? i_max_bitrate * 1000: -1 ) )
941 vorbis_info_clear( &p_sys->vi );
942 msg_Err( p_enc, "CBR mode initialisation failed" );
943 free( p_enc->p_sys );
948 vorbis_encode_setup_init( &p_sys->vi );
951 vorbis_comment_init( &p_sys->vc);
952 vorbis_comment_add_tag( &p_sys->vc, "ENCODER", "VLC media player");
954 /* Set up the analysis state and auxiliary encoding storage */
955 vorbis_analysis_init( &p_sys->vd, &p_sys->vi );
956 vorbis_block_init( &p_sys->vd, &p_sys->vb );
958 /* Create and store headers */
959 vorbis_analysis_headerout( &p_sys->vd, &p_sys->vc,
960 &header[0], &header[1], &header[2]);
961 p_enc->fmt_out.i_extra = 3 * 2 + header[0].bytes +
962 header[1].bytes + header[2].bytes;
963 p_extra = p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
964 for( i = 0; i < 3; i++ )
966 *(p_extra++) = header[i].bytes >> 8;
967 *(p_extra++) = header[i].bytes & 0xFF;
968 memcpy( p_extra, header[i].packet, header[i].bytes );
969 p_extra += header[i].bytes;
972 p_sys->i_channels = p_enc->fmt_in.audio.i_channels;
973 p_sys->i_last_block_size = 0;
974 p_sys->i_samples_delay = 0;
977 ConfigureChannelOrder(p_sys->pi_chan_table, p_sys->vi.channels,
978 p_enc->fmt_in.audio.i_physical_channels, VLC_TRUE);
983 /****************************************************************************
984 * Encode: the whole thing
985 ****************************************************************************
986 * This function spits out ogg packets.
987 ****************************************************************************/
988 static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf )
990 encoder_sys_t *p_sys = p_enc->p_sys;
991 ogg_packet oggpacket;
992 block_t *p_block, *p_chain = NULL;
997 p_sys->i_pts = p_aout_buf->start_date -
998 (mtime_t)1000000 * (mtime_t)p_sys->i_samples_delay /
999 (mtime_t)p_enc->fmt_in.audio.i_rate;
1001 p_sys->i_samples_delay += p_aout_buf->i_nb_samples;
1003 buffer = vorbis_analysis_buffer( &p_sys->vd, p_aout_buf->i_nb_samples );
1005 /* convert samples to float and uninterleave */
1006 for( i = 0; i < p_sys->i_channels; i++ )
1008 for( j = 0 ; j < p_aout_buf->i_nb_samples ; j++ )
1010 buffer[i][j]= ((float *)p_aout_buf->p_buffer)
1011 [j * p_sys->i_channels + p_sys->pi_chan_table[i]];
1015 vorbis_analysis_wrote( &p_sys->vd, p_aout_buf->i_nb_samples );
1017 while( vorbis_analysis_blockout( &p_sys->vd, &p_sys->vb ) == 1 )
1021 vorbis_analysis( &p_sys->vb, NULL );
1022 vorbis_bitrate_addblock( &p_sys->vb );
1024 while( vorbis_bitrate_flushpacket( &p_sys->vd, &oggpacket ) )
1027 p_block = block_New( p_enc, oggpacket.bytes );
1028 memcpy( p_block->p_buffer, oggpacket.packet, oggpacket.bytes );
1030 i_block_size = vorbis_packet_blocksize( &p_sys->vi, &oggpacket );
1032 if( i_block_size < 0 ) i_block_size = 0;
1033 i_samples = ( p_sys->i_last_block_size + i_block_size ) >> 2;
1034 p_sys->i_last_block_size = i_block_size;
1036 p_block->i_length = (mtime_t)1000000 *
1037 (mtime_t)i_samples / (mtime_t)p_enc->fmt_in.audio.i_rate;
1039 p_block->i_dts = p_block->i_pts = p_sys->i_pts;
1041 p_sys->i_samples_delay -= i_samples;
1044 p_sys->i_pts += p_block->i_length;
1045 block_ChainAppend( &p_chain, p_block );
1052 /*****************************************************************************
1053 * CloseEncoder: vorbis encoder destruction
1054 *****************************************************************************/
1055 static void CloseEncoder( vlc_object_t *p_this )
1057 encoder_t *p_enc = (encoder_t *)p_this;
1058 encoder_sys_t *p_sys = p_enc->p_sys;
1060 vorbis_block_clear( &p_sys->vb );
1061 vorbis_dsp_clear( &p_sys->vd );
1062 vorbis_comment_clear( &p_sys->vc );
1063 vorbis_info_clear( &p_sys->vi ); /* must be called last */
1068 #endif /* HAVE_VORBIS_VORBISENC_H && !MODULE_NAME_IS_tremor */