X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fcodec%2Fspeex.c;h=f331c82be81d8111257bf7a4d3826301f038e619;hb=6251b2d110c332028a9c6278d685929729ac247c;hp=fdb0a8d5e74c374e40e72169784f3074f924e242;hpb=499a384591d4238957f08348471fab5f36747fe7;p=vlc diff --git a/modules/codec/speex.c b/modules/codec/speex.c old mode 100755 new mode 100644 index fdb0a8d5e7..f331c82be8 --- a/modules/codec/speex.c +++ b/modules/codec/speex.c @@ -1,10 +1,10 @@ /***************************************************************************** * speex.c: speex decoder/packetizer/encoder module making use of libspeex. ***************************************************************************** - * Copyright (C) 2003 VideoLAN - * $Id: speex.c,v 1.11 2004/01/29 17:51:07 zorglub Exp $ + * Copyright (C) 2003-2009 the VideoLAN team + * $Id$ * - * Authors: Gildas Bazin + * Authors: Gildas Bazin * * 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 @@ -18,21 +18,126 @@ * * 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 -#include -#include "vlc_playlist.h" +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include +#include #include -#include -#include "speex_header.h" -#include "speex_stereo.h" -#include "speex_callbacks.h" +#include +#include +#include +#include + +#include + +/***************************************************************************** + * Module descriptor + *****************************************************************************/ +static int OpenDecoder ( vlc_object_t * ); +static int OpenPacketizer( vlc_object_t * ); +static void CloseDecoder ( vlc_object_t * ); +static int OpenEncoder ( vlc_object_t * ); +static void CloseEncoder ( vlc_object_t * ); + +#define ENC_CFG_PREFIX "sout-speex-" + +#define ENC_MODE_TEXT N_("Mode" ) +#define ENC_MODE_LONGTEXT N_( \ + "Enforce the mode of the encoder." ) + +#define ENC_QUALITY_TEXT N_("Encoding quality") +#define ENC_QUALITY_LONGTEXT N_( \ + "Enforce a quality between 0 (low) and 10 (high)." ) + +#define ENC_COMPLEXITY_TEXT N_("Encoding complexity" ) +#define ENC_COMPLEXITY_LONGTEXT N_( \ + "Enforce the complexity of the encoder." ) + +#define ENC_MAXBITRATE_TEXT N_( "Maximal bitrate" ) +#define ENC_MAXBITRATE_LONGTEXT N_( \ + "Enforce the maximal VBR bitrate" ) + +#define ENC_CBR_TEXT N_( "CBR encoding" ) +#define ENC_CBR_LONGTEXT N_( \ + "Enforce a constant bitrate encoding (CBR) instead of default " \ + "variable bitrate encoding (VBR)." ) + +#define ENC_VAD_TEXT N_( "Voice activity detection" ) +#define ENC_VAD_LONGTEXT N_( \ + "Enable voice activity detection (VAD). It is automatically " \ + "activated in VBR mode." ) + +#define ENC_DTX_TEXT N_( "Discontinuous Transmission" ) +#define ENC_DTX_LONGTEXT N_( \ + "Enable discontinuous transmission (DTX)." ) + +static const int pi_enc_mode_values[] = { 0, 1, 2 }; +static const char * const ppsz_enc_mode_descriptions[] = { + N_("Narrow-band (8kHz)"), N_("Wide-band (16kHz)"), N_("Ultra-wideband (32kHz)"), NULL +}; + +vlc_module_begin () + set_category( CAT_INPUT ) + set_subcategory( SUBCAT_INPUT_ACODEC ) + + set_description( N_("Speex audio decoder") ) + set_capability( "decoder", 100 ) + set_shortname( N_("Speex") ) + set_callbacks( OpenDecoder, CloseDecoder ) + + add_submodule () + set_description( N_("Speex audio packetizer") ) + set_capability( "packetizer", 100 ) + set_callbacks( OpenPacketizer, CloseDecoder ) + + add_submodule () + set_description( N_("Speex audio encoder") ) + set_capability( "encoder", 100 ) + set_callbacks( OpenEncoder, CloseEncoder ) + + add_integer( ENC_CFG_PREFIX "mode", 0, NULL, ENC_MODE_TEXT, + ENC_MODE_LONGTEXT, false ) + change_integer_list( pi_enc_mode_values, ppsz_enc_mode_descriptions, NULL ) + + add_integer( ENC_CFG_PREFIX "complexity", 3, NULL, ENC_COMPLEXITY_TEXT, + ENC_COMPLEXITY_LONGTEXT, false ) + change_integer_range( 1, 10 ) + + add_bool( ENC_CFG_PREFIX "cbr", false, NULL, ENC_CBR_TEXT, + ENC_CBR_LONGTEXT, false ) + + add_float( ENC_CFG_PREFIX "quality", 8.0, NULL, ENC_QUALITY_TEXT, + ENC_QUALITY_LONGTEXT, false ) + change_float_range( 0.0, 10.0 ) + + add_integer( ENC_CFG_PREFIX "max-bitrate", 0, NULL, ENC_MAXBITRATE_TEXT, + ENC_MAXBITRATE_LONGTEXT, false ) + + add_bool( ENC_CFG_PREFIX "vad", true, NULL, ENC_VAD_TEXT, + ENC_VAD_LONGTEXT, false ) + + add_bool( ENC_CFG_PREFIX "dtx", false, NULL, ENC_DTX_TEXT, + ENC_DTX_LONGTEXT, false ) + + /* TODO agc, noise suppression, */ + +vlc_module_end () + +static const char *const ppsz_enc_options[] = { + "mode", "complexity", "cbr", "quality", "max-bitrate", "vad", "dtx", NULL +}; /***************************************************************************** * decoder_sys_t : speex decoder descriptor @@ -40,7 +145,7 @@ struct decoder_sys_t { /* Module mode */ - vlc_bool_t b_packetizer; + bool b_packetizer; /* * Input properties @@ -55,15 +160,16 @@ struct decoder_sys_t SpeexHeader *p_header; SpeexStereoState stereo; void *p_state; + unsigned int rtp_rate; /* * Common properties */ - audio_date_t end_date; + date_t end_date; }; -static int pi_channels_maps[6] = +static const int pi_channels_maps[6] = { 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT, @@ -77,74 +183,62 @@ static int pi_channels_maps[6] = /**************************************************************************** * Local prototypes ****************************************************************************/ -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 int ProcessHeader ( decoder_t *, ogg_packet * ); +static aout_buffer_t *DecodeRtpSpeexPacket( decoder_t *, block_t **); +static int ProcessHeaders( decoder_t * ); +static int ProcessInitialHeader ( decoder_t *, ogg_packet * ); static void *ProcessPacket( decoder_t *, ogg_packet *, block_t ** ); static aout_buffer_t *DecodePacket( decoder_t *, ogg_packet * ); -static block_t *SendPacket( decoder_t *, ogg_packet *, block_t * ); +static block_t *SendPacket( decoder_t *, block_t * ); static void ParseSpeexComments( decoder_t *, ogg_packet * ); -static int OpenEncoder ( vlc_object_t * ); -static void CloseEncoder ( vlc_object_t * ); -static block_t *Headers ( encoder_t * ); static block_t *Encode ( encoder_t *, aout_buffer_t * ); -/***************************************************************************** - * Module descriptor - *****************************************************************************/ -vlc_module_begin(); - set_description( _("Speex audio decoder") ); - set_capability( "decoder", 100 ); - set_callbacks( OpenDecoder, CloseDecoder ); - - add_submodule(); - set_description( _("Speex audio packetizer") ); - set_capability( "packetizer", 100 ); - set_callbacks( OpenPacketizer, CloseDecoder ); - - add_submodule(); - set_description( _("Speex audio encoder") ); - set_capability( "encoder", 100 ); - set_callbacks( OpenEncoder, CloseEncoder ); -vlc_module_end(); - /***************************************************************************** * OpenDecoder: probe the decoder and return score *****************************************************************************/ static int OpenDecoder( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t*)p_this; - decoder_sys_t *p_sys = p_dec->p_sys; + decoder_sys_t *p_sys; - if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','p','x',' ') ) - { + if( p_dec->fmt_in.i_codec != VLC_CODEC_SPEEX ) return VLC_EGENERIC; - } /* 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; - } - p_dec->p_sys->b_packetizer = VLC_FALSE; + if( ( p_dec->p_sys = p_sys = malloc(sizeof(decoder_sys_t)) ) == NULL ) + return VLC_ENOMEM; + p_dec->p_sys->bits.buf_size = 0; + p_dec->p_sys->b_packetizer = false; + p_dec->p_sys->rtp_rate = p_dec->fmt_in.audio.i_rate; - aout_DateSet( &p_sys->end_date, 0 ); + date_Set( &p_sys->end_date, 0 ); /* Set output properties */ p_dec->fmt_out.i_cat = AUDIO_ES; - p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE; + p_dec->fmt_out.i_codec = VLC_CODEC_S16N; - /* Set callbacks */ - p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **)) - DecodeBlock; + /* + Set callbacks + If the codec is spxr then this decoder is + being invoked on a Speex stream arriving via RTP. + A special decoder callback is used. + */ + if (p_dec->fmt_in.i_original_fourcc == VLC_FOURCC('s', 'p', 'x', 'r')) + { + msg_Dbg( p_dec, "Using RTP version of Speex decoder @ rate %d.", + p_dec->fmt_in.audio.i_rate ); + p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **)) + DecodeRtpSpeexPacket; + } + else + { + p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **)) + DecodeBlock; + } p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **)) DecodeBlock; @@ -164,8 +258,8 @@ static int OpenPacketizer( vlc_object_t *p_this ) if( i_ret == VLC_SUCCESS ) { - p_dec->p_sys->b_packetizer = VLC_TRUE; - p_dec->fmt_out.i_codec = VLC_FOURCC('s','p','x',' '); + p_dec->p_sys->b_packetizer = true; + p_dec->fmt_out.i_codec = VLC_CODEC_SPEEX; } return i_ret; @@ -203,53 +297,130 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) oggpacket.e_o_s = 0; oggpacket.packetno = 0; - if( p_sys->i_headers == 0 ) + /* Check for headers */ + if( p_sys->i_headers == 0 && p_dec->fmt_in.i_extra ) + { + p_sys->i_headers = 2; + } + else if( oggpacket.bytes && p_sys->i_headers < 2 ) + { + uint8_t *p_extra; + + p_dec->fmt_in.p_extra = xrealloc( p_dec->fmt_in.p_extra, + p_dec->fmt_in.i_extra + oggpacket.bytes + 2 ); + 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; + + memcpy( p_extra, oggpacket.packet, oggpacket.bytes ); + p_dec->fmt_in.i_extra += oggpacket.bytes + 2; + + block_Release( *pp_block ); + p_sys->i_headers++; + return NULL; + } + + if( p_sys->i_headers == 2 ) { - /* Take care of the initial Speex header */ - if( ProcessHeader( p_dec, &oggpacket ) != VLC_SUCCESS ) + if( ProcessHeaders( p_dec ) != VLC_SUCCESS ) { - msg_Err( p_dec, "initial Speex header is corrupted" ); + p_sys->i_headers = 0; + p_dec->fmt_in.i_extra = 0; block_Release( *pp_block ); return NULL; } + else p_sys->i_headers++; + } - p_sys->i_headers++; + return ProcessPacket( p_dec, &oggpacket, pp_block ); +} + +/***************************************************************************** + * ProcessHeaders: process Speex headers. + *****************************************************************************/ +static int ProcessHeaders( decoder_t *p_dec ) +{ + decoder_sys_t *p_sys = p_dec->p_sys; + ogg_packet oggpacket; + uint8_t *p_extra; + int i_extra; + + if( !p_dec->fmt_in.i_extra ) return VLC_EGENERIC; - return ProcessPacket( p_dec, &oggpacket, pp_block ); + oggpacket.granulepos = -1; + oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */ + oggpacket.e_o_s = 0; + oggpacket.packetno = 0; + p_extra = p_dec->fmt_in.p_extra; + i_extra = p_dec->fmt_in.i_extra; + + /* Take care of the initial Vorbis header */ + oggpacket.bytes = *(p_extra++) << 8; + oggpacket.bytes |= (*(p_extra++) & 0xFF); + oggpacket.packet = p_extra; + p_extra += oggpacket.bytes; + i_extra -= (oggpacket.bytes + 2); + if( i_extra < 0 ) + { + msg_Err( p_dec, "header data corrupted"); + return VLC_EGENERIC; } - if( p_sys->i_headers == 1 ) + /* Take care of the initial Speex header */ + if( ProcessInitialHeader( p_dec, &oggpacket ) != VLC_SUCCESS ) { - /* The next packet in order is the comments header */ - ParseSpeexComments( p_dec, &oggpacket ); - p_sys->i_headers++; + msg_Err( p_dec, "initial Speex header is corrupted" ); + return VLC_EGENERIC; + } - return ProcessPacket( p_dec, &oggpacket, pp_block ); + /* The next packet in order is the comments header */ + oggpacket.b_o_s = 0; + oggpacket.bytes = *(p_extra++) << 8; + oggpacket.bytes |= (*(p_extra++) & 0xFF); + oggpacket.packet = p_extra; + p_extra += oggpacket.bytes; + i_extra -= (oggpacket.bytes + 2); + if( i_extra < 0 ) + { + msg_Err( p_dec, "header data corrupted"); + return VLC_EGENERIC; } - return ProcessPacket( p_dec, &oggpacket, pp_block ); + ParseSpeexComments( p_dec, &oggpacket ); + + if( p_sys->b_packetizer ) + { + p_dec->fmt_out.i_extra = p_dec->fmt_in.i_extra; + p_dec->fmt_out.p_extra = xrealloc( p_dec->fmt_out.p_extra, + p_dec->fmt_out.i_extra ); + memcpy( p_dec->fmt_out.p_extra, + p_dec->fmt_in.p_extra, p_dec->fmt_out.i_extra ); + } + + return VLC_SUCCESS; } /***************************************************************************** - * ProcessHeader: processes the inital Speex header packet. + * ProcessInitialHeader: processes the inital Speex header packet. *****************************************************************************/ -static int ProcessHeader( decoder_t *p_dec, ogg_packet *p_oggpacket ) +static int ProcessInitialHeader( decoder_t *p_dec, ogg_packet *p_oggpacket ) { decoder_sys_t *p_sys = p_dec->p_sys; void *p_state; SpeexHeader *p_header; - SpeexMode *p_mode; + const SpeexMode *p_mode; SpeexCallback callback; p_sys->p_header = p_header = - speex_packet_to_header( p_oggpacket->packet, p_oggpacket->bytes ); + speex_packet_to_header( (char *)p_oggpacket->packet, + p_oggpacket->bytes ); if( !p_header ) { msg_Err( p_dec, "cannot read Speex header" ); return VLC_EGENERIC; } - if( p_header->mode >= SPEEX_NB_MODES ) + if( p_header->mode >= SPEEX_NB_MODES || p_header->mode < 0 ) { msg_Err( p_dec, "mode number %d does not (yet/any longer) exist in " "this version of libspeex.", p_header->mode ); @@ -257,11 +428,13 @@ static int ProcessHeader( decoder_t *p_dec, ogg_packet *p_oggpacket ) } p_mode = speex_mode_list[p_header->mode]; + if( p_mode == NULL ) + return VLC_EGENERIC; if( p_header->speex_version_id > 1 ) { msg_Err( p_dec, "this file was encoded with Speex bit-stream " - "version %d, which I don't know how to decode.", + "version %d which is not supported by this decoder.", p_header->speex_version_id ); return VLC_EGENERIC; } @@ -300,6 +473,13 @@ static int ProcessHeader( decoder_t *p_dec, ogg_packet *p_oggpacket ) callback.data = &p_sys->stereo; speex_decoder_ctl( p_state, SPEEX_SET_HANDLER, &callback ); } + if( p_header->nb_channels <= 0 || + p_header->nb_channels > 5 ) + { + msg_Err( p_dec, "invalid number of channels (not between 1 and 5): %i", + p_header->nb_channels ); + return VLC_EGENERIC; + } /* Setup the format */ p_dec->fmt_out.audio.i_physical_channels = @@ -308,7 +488,7 @@ static int ProcessHeader( decoder_t *p_dec, ogg_packet *p_oggpacket ) p_dec->fmt_out.audio.i_channels = p_header->nb_channels; p_dec->fmt_out.audio.i_rate = p_header->rate; - aout_DateInit( &p_sys->end_date, p_header->rate ); + date_Init( &p_sys->end_date, p_header->rate, 1 ); return VLC_SUCCESS; } @@ -323,13 +503,13 @@ static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, block_t *p_block = *pp_block; /* Date management */ - if( p_block && p_block->i_pts > 0 && - p_block->i_pts != aout_DateGet( &p_sys->end_date ) ) + if( p_block && p_block->i_pts > 0 && + p_block->i_pts != date_Get( &p_sys->end_date ) ) { - aout_DateSet( &p_sys->end_date, p_block->i_pts ); + date_Set( &p_sys->end_date, p_block->i_pts ); } - if( !aout_DateGet( &p_sys->end_date ) ) + if( !date_Get( &p_sys->end_date ) ) { /* We've just started the stream, wait for the first PTS. */ if( p_block ) block_Release( p_block ); @@ -340,7 +520,74 @@ static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, if( p_sys->b_packetizer ) { - return SendPacket( p_dec, p_oggpacket, p_block ); + if ( p_sys->p_header->frames_per_packet > 1 ) + { + short *p_frame_holder = NULL; + int i_bits_before = 0, i_bits_after = 0, i_bytes_in_speex_frame = 0, + i_pcm_output_size = 0, i_bits_in_speex_frame = 0; + block_t *p_new_block = NULL; + + i_pcm_output_size = p_sys->p_header->frame_size; + p_frame_holder = (short*)xmalloc( sizeof(short)*i_pcm_output_size ); + + speex_bits_read_from( &p_sys->bits, (char*)p_oggpacket->packet, + p_oggpacket->bytes); + i_bits_before = speex_bits_remaining( &p_sys->bits ); + speex_decode_int(p_sys->p_state, &p_sys->bits, p_frame_holder); + i_bits_after = speex_bits_remaining( &p_sys->bits ); + + i_bits_in_speex_frame = i_bits_before - i_bits_after; + i_bytes_in_speex_frame = ( i_bits_in_speex_frame + + (8 - (i_bits_in_speex_frame % 8)) ) + / 8; + + p_new_block = block_New( p_dec, i_bytes_in_speex_frame ); + memset( p_new_block->p_buffer, 0xff, i_bytes_in_speex_frame ); + + /* + * Copy the first frame in this packet to a new packet. + */ + speex_bits_rewind( &p_sys->bits ); + speex_bits_write( &p_sys->bits, + (char*)p_new_block->p_buffer, + (int)i_bytes_in_speex_frame ); + + /* + * Move the remaining part of the original packet (subsequent + * frames, if there are any) into the beginning + * of the original packet so + * they are preserved following the realloc. + * Note: Any bits that + * remain in the initial packet + * are "filler" if they do not constitute + * an entire byte. + */ + if ( i_bits_after > 7 ) + { + /* round-down since we rounded-up earlier (to include + * the speex terminator code. + */ + i_bytes_in_speex_frame--; + speex_bits_write( &p_sys->bits, + (char*)p_block->p_buffer, + p_block->i_buffer - i_bytes_in_speex_frame ); + p_block = block_Realloc( p_block, + 0, + p_block->i_buffer-i_bytes_in_speex_frame ); + *pp_block = p_block; + } + else + { + speex_bits_reset( &p_sys->bits ); + } + + free( p_frame_holder ); + return SendPacket( p_dec, p_new_block); + } + else + { + return SendPacket( p_dec, p_block ); + } } else { @@ -351,14 +598,129 @@ static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, else p_aout_buffer = NULL; /* Skip headers */ - if( p_block ) - { - block_Release( p_block ); - } + if( p_block ) block_Release( p_block ); return p_aout_buffer; } } +static aout_buffer_t *DecodeRtpSpeexPacket( decoder_t *p_dec, block_t **pp_block ) +{ + block_t *p_speex_bit_block = *pp_block; + decoder_sys_t *p_sys = p_dec->p_sys; + aout_buffer_t *p_aout_buffer; + int i_decode_ret; + unsigned int i_speex_frame_size; + + if ( !p_speex_bit_block || p_speex_bit_block->i_pts == 0 ) return NULL; + + /* + If the SpeexBits buffer size is 0 (a default value), + we know that a proper initialization has not yet been done. + */ + if ( p_sys->bits.buf_size==0 ) + { + p_sys->p_header = (SpeexHeader *)malloc(sizeof(SpeexHeader)); + if ( !p_sys->p_header ) + { + msg_Err( p_dec, "Could not allocate a Speex header."); + return NULL; + } + speex_init_header( p_sys->p_header,p_sys->rtp_rate,1,&speex_nb_mode ); + speex_bits_init( &p_sys->bits ); + p_sys->p_state = speex_decoder_init( &speex_nb_mode ); + if ( !p_sys->p_state ) + { + msg_Err( p_dec, "Could not allocate a Speex decoder." ); + free( p_sys->p_header ); + return NULL; + } + + /* + Assume that variable bit rate is enabled. Also assume + that there is only one frame per packet. + */ + p_sys->p_header->vbr = 1; + p_sys->p_header->frames_per_packet = 1; + + p_dec->fmt_out.audio.i_channels = p_sys->p_header->nb_channels; + p_dec->fmt_out.audio.i_physical_channels = + p_dec->fmt_out.audio.i_original_channels = + pi_channels_maps[p_sys->p_header->nb_channels]; + p_dec->fmt_out.audio.i_rate = p_sys->p_header->rate; + + if ( speex_mode_query( &speex_nb_mode, + SPEEX_MODE_FRAME_SIZE, + &i_speex_frame_size ) ) + { + msg_Err( p_dec, "Could not determine the frame size." ); + speex_decoder_destroy( p_sys->p_state ); + free( p_sys->p_header ); + return NULL; + } + p_dec->fmt_out.audio.i_bytes_per_frame = i_speex_frame_size; + + date_Init(&p_sys->end_date, p_sys->p_header->rate, 1); + } + + /* + If the SpeexBits are initialized but there is + still no header, an error must be thrown. + */ + if ( !p_sys->p_header ) + { + msg_Err( p_dec, "There is no valid Speex header found." ); + return NULL; + } + *pp_block = NULL; + + if ( !date_Get( &p_sys->end_date ) ) + date_Set( &p_sys->end_date, p_speex_bit_block->i_dts ); + + /* + Ask for a new audio output buffer and make sure + we get one. + */ + p_aout_buffer = decoder_NewAudioBuffer( p_dec, + p_sys->p_header->frame_size ); + if ( !p_aout_buffer || p_aout_buffer->i_buffer == 0 ) + { + msg_Err(p_dec, "Oops: No new buffer was returned!"); + return NULL; + } + + /* + Read the Speex payload into the SpeexBits buffer. + */ + speex_bits_read_from( &p_sys->bits, + (char*)p_speex_bit_block->p_buffer, + p_speex_bit_block->i_buffer ); + + /* + Decode the input and ensure that no errors + were encountered. + */ + i_decode_ret = speex_decode_int( p_sys->p_state, &p_sys->bits, + (int16_t*)p_aout_buffer->p_buffer ); + if ( i_decode_ret < 0 ) + { + msg_Err( p_dec, "Decoding failed. Perhaps we have a bad stream?" ); + return NULL; + } + + /* + Handle date management on the audio output buffer. + */ + p_aout_buffer->i_pts = date_Get( &p_sys->end_date ); + p_aout_buffer->i_length = date_Increment( &p_sys->end_date, + p_sys->p_header->frame_size ) - p_aout_buffer->i_pts; + + + p_sys->i_frame_in_packet++; + block_Release( p_speex_bit_block ); + + return p_aout_buffer; +} + /***************************************************************************** * DecodePacket: decodes a Speex packet. *****************************************************************************/ @@ -369,7 +731,7 @@ static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket ) if( p_oggpacket->bytes ) { /* Copy Ogg packet to Speex bitstream */ - speex_bits_read_from( &p_sys->bits, p_oggpacket->packet, + speex_bits_read_from( &p_sys->bits, (char *)p_oggpacket->packet, p_oggpacket->bytes ); p_sys->i_frame_in_packet = 0; } @@ -378,42 +740,40 @@ static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket ) if( p_sys->i_frame_in_packet < p_sys->p_header->frames_per_packet ) { aout_buffer_t *p_aout_buffer; - int i_ret; + if( p_sys->p_header->frame_size == 0 ) + return NULL; p_aout_buffer = - p_dec->pf_aout_buffer_new( p_dec, p_sys->p_header->frame_size ); + decoder_NewAudioBuffer( p_dec, p_sys->p_header->frame_size ); if( !p_aout_buffer ) { return NULL; } - i_ret = speex_decode( p_sys->p_state, &p_sys->bits, - (int16_t *)p_aout_buffer->p_buffer ); - if( i_ret == -1 ) - { - /* End of stream */ - return NULL; - } - - if( i_ret== -2 ) + switch( speex_decode_int( p_sys->p_state, &p_sys->bits, + (int16_t *)p_aout_buffer->p_buffer ) ) { - msg_Warn( p_dec, "decoding error: corrupted stream?" ); - return NULL; + case -2: + msg_Err( p_dec, "decoding error: corrupted stream?" ); + case -1: /* End of stream */ + return NULL; } if( speex_bits_remaining( &p_sys->bits ) < 0 ) { - msg_Warn( p_dec, "decoding overflow: corrupted stream?" ); + msg_Err( p_dec, "decoding overflow: corrupted stream?" ); } if( p_sys->p_header->nb_channels == 2 ) - speex_decode_stereo( (int16_t *)p_aout_buffer->p_buffer, - p_sys->p_header->frame_size, &p_sys->stereo ); + speex_decode_stereo_int( (int16_t *)p_aout_buffer->p_buffer, + p_sys->p_header->frame_size, + &p_sys->stereo ); /* Date management */ - p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date ); - p_aout_buffer->end_date = - aout_DateIncrement( &p_sys->end_date, p_sys->p_header->frame_size); + p_aout_buffer->i_pts = date_Get( &p_sys->end_date ); + p_aout_buffer->i_length = + date_Increment( &p_sys->end_date, p_sys->p_header->frame_size ) + - p_aout_buffer->i_pts; p_sys->i_frame_in_packet++; @@ -428,19 +788,20 @@ static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket ) /***************************************************************************** * SendPacket: send an ogg packet to the stream output. *****************************************************************************/ -static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, - block_t *p_block ) +static block_t *SendPacket( decoder_t *p_dec, block_t *p_block ) { decoder_sys_t *p_sys = p_dec->p_sys; /* Date management */ - p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->end_date ); + p_block->i_dts = p_block->i_pts = date_Get( &p_sys->end_date ); if( p_sys->i_headers >= p_sys->p_header->extra_headers + 2 ) + { p_block->i_length = - aout_DateIncrement( &p_sys->end_date, + date_Increment( &p_sys->end_date, p_sys->p_header->frame_size ) - p_block->i_pts; + } else p_block->i_length = 0; @@ -448,7 +809,7 @@ static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, } /***************************************************************************** - * ParseSpeexComments: FIXME should be done in demuxer + * ParseSpeexComments: *****************************************************************************/ #define readint(buf, base) (((buf[base+3]<<24)&0xff000000)| \ ((buf[base+2]<<16)&0xff0000)| \ @@ -457,56 +818,31 @@ static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket, static void ParseSpeexComments( decoder_t *p_dec, ogg_packet *p_oggpacket ) { - input_thread_t *p_input = (input_thread_t *)p_dec->p_parent; decoder_sys_t *p_sys = p_dec->p_sys; + const SpeexMode *p_mode; - input_info_category_t *p_cat = - input_InfoCategory( p_input, _("Speex comment") ); - playlist_t *p_playlist = vlc_object_find( p_dec, VLC_OBJECT_PLAYLIST, - FIND_ANYWHERE ); - - char *p_buf = (char *)p_oggpacket->packet; - SpeexMode *p_mode; - int i_len; + assert( p_sys->p_header->mode < SPEEX_NB_MODES ); p_mode = speex_mode_list[p_sys->p_header->mode]; - input_AddInfo( p_cat, _("Mode"), "%s%s", - p_mode->modeName, p_sys->p_header->vbr ? " VBR" : "" ); - - vlc_mutex_lock( &p_playlist->object_lock ); - p_item = playlist_ItemGetByPos( p_playlist, -1 ); - vlc_mutex_unlock( &p_playlist->object_lock ); - if( !p_item) - { - msg_Err(p_dec, "unable to find item" ); - return; - } - vlc_mutex_lock( &p_item->lock ); - - playlist_ItemAddInfo( p_item, _("Speex comment") , _("Mode"),"%s%s", - p_mode->modeName, p_sys->p_header->vbr ? " VBR" : "" ); + assert( p_mode != NULL ); - if( p_oggpacket->bytes < 8 ) + if( !p_dec->p_description ) { - msg_Warn( p_dec, "invalid/corrupted comments" ); - return; + p_dec->p_description = vlc_meta_New(); + if( !p_dec->p_description ) + return; } - i_len = readint( p_buf, 0 ); p_buf += 4; - if( i_len > p_oggpacket->bytes - 4 ) + /* */ + char *psz_mode; + if( asprintf( &psz_mode, "%s%s", p_mode->modeName, p_sys->p_header->vbr ? " VBR" : "" ) >= 0 ) { - msg_Warn( p_dec, "invalid/corrupted comments" ); - return; + vlc_meta_AddExtra( p_dec->p_description, _("Mode"), psz_mode ); + free( psz_mode ); } - input_AddInfo( p_cat, p_buf, "" ); - playlist_ItemAddInfo( p_item , _("Speex comment") , p_buf , "" ); - - vlc_mutex_unlock( &p_item->lock ); - - if( p_playlist ) vlc_object_release( p_playlist ); - /* TODO: finish comments parsing */ + VLC_UNUSED( p_oggpacket ); } /***************************************************************************** @@ -523,7 +859,7 @@ static void CloseDecoder( vlc_object_t *p_this ) speex_bits_destroy( &p_sys->bits ); } - if( p_sys->p_header ) free( p_sys->p_header ); + free( p_sys->p_header ); free( p_sys ); } @@ -538,10 +874,8 @@ struct encoder_sys_t /* * Input properties */ - int i_headers; - char *p_buffer; - char *p_buffer_out[MAX_FRAME_BYTES]; + char p_buffer_out[MAX_FRAME_BYTES]; /* * Speex properties @@ -571,45 +905,93 @@ static int OpenEncoder( vlc_object_t *p_this ) { encoder_t *p_enc = (encoder_t *)p_this; encoder_sys_t *p_sys; - SpeexMode *p_speex_mode = &speex_nb_mode; - int i_quality; - - if( p_enc->fmt_out.i_codec != VLC_FOURCC('s','p','x',' ') ) + const SpeexMode *p_speex_mode = &speex_nb_mode; + int i_tmp, i; + const char *pp_header[2]; + int pi_header[2]; + uint8_t *p_extra; + + if( p_enc->fmt_out.i_codec != VLC_CODEC_SPEEX && + !p_enc->b_force ) { return VLC_EGENERIC; } - /* Allocate the memory needed to store the decoder's structure */ - if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL ) + config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg ); + switch( var_GetInteger( p_enc, ENC_CFG_PREFIX "mode" ) ) { - msg_Err( p_enc, "out of memory" ); - return VLC_EGENERIC; + case 1: + msg_Dbg( p_enc, "Using wideband" ); + p_speex_mode = &speex_wb_mode; + break; + case 2: + msg_Dbg( p_enc, "Using ultra-wideband" ); + p_speex_mode = &speex_uwb_mode; + break; + default: + msg_Dbg( p_enc, "Using narrowband" ); + p_speex_mode = &speex_nb_mode; + break; } + + /* Allocate the memory needed to store the decoder's structure */ + if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL ) + return VLC_ENOMEM; p_enc->p_sys = p_sys; - p_enc->pf_header = Headers; p_enc->pf_encode_audio = Encode; - p_enc->fmt_in.i_codec = AOUT_FMT_S16_NE; + p_enc->fmt_in.i_codec = VLC_CODEC_S16N; + p_enc->fmt_out.i_codec = VLC_CODEC_SPEEX; speex_init_header( &p_sys->header, p_enc->fmt_in.audio.i_rate, 1, p_speex_mode ); p_sys->header.frames_per_packet = 1; - p_sys->header.vbr = 1; + p_sys->header.vbr = var_GetBool( p_enc, ENC_CFG_PREFIX "cbr" ) ? 0 : 1; p_sys->header.nb_channels = p_enc->fmt_in.audio.i_channels; /* Create a new encoder state in narrowband mode */ p_sys->p_state = speex_encoder_init( p_speex_mode ); - /* Set the quality to 8 (15 kbps) */ - i_quality = 8; - speex_encoder_ctl( p_sys->p_state, SPEEX_SET_QUALITY, &i_quality ); + /* Parameters */ + i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX "complexity" ); + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_COMPLEXITY, &i_tmp ); + + i_tmp = var_GetBool( p_enc, ENC_CFG_PREFIX "cbr" ) ? 0 : 1; + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_VBR, &i_tmp ); + + if( i_tmp == 0 ) /* CBR */ + { + i_tmp = var_GetFloat( p_enc, ENC_CFG_PREFIX "quality" ); + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_QUALITY, &i_tmp ); + + i_tmp = var_GetBool( p_enc, ENC_CFG_PREFIX "vad" ) ? 1 : 0; + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_VAD, &i_tmp ); + } + else + { + float f_tmp; + + f_tmp = var_GetFloat( p_enc, ENC_CFG_PREFIX "quality" ); + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_VBR_QUALITY, &f_tmp ); + + i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX "max-bitrate" ); + if( i_tmp > 0 ) +#ifdef SPEEX_SET_VBR_MAX_BITRATE + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_VBR_MAX_BITRATE, &i_tmp ); +#else + msg_Dbg( p_enc, "max-bitrate cannot be set in this version of libspeex"); +#endif + } + + i_tmp = var_GetBool( p_enc, ENC_CFG_PREFIX "dtx" ) ? 1 : 0; + speex_encoder_ctl( p_sys->p_state, SPEEX_SET_DTX, &i_tmp ); + /*Initialization of the structure that holds the bits*/ speex_bits_init( &p_sys->bits ); p_sys->i_frames_in_packet = 0; p_sys->i_samples_delay = 0; - p_sys->i_headers = 0; p_sys->i_pts = 0; speex_encoder_ctl( p_sys->p_state, SPEEX_GET_FRAME_SIZE, @@ -617,7 +999,22 @@ static int OpenEncoder( vlc_object_t *p_this ) p_sys->i_frame_size = p_sys->i_frame_length * sizeof(int16_t) * p_enc->fmt_in.audio.i_channels; - p_sys->p_buffer = malloc( p_sys->i_frame_size ); + p_sys->p_buffer = xmalloc( p_sys->i_frame_size ); + + /* Create and store headers */ + pp_header[0] = speex_header_to_packet( &p_sys->header, &pi_header[0] ); + pp_header[1] = "ENCODER=VLC media player"; + pi_header[1] = sizeof("ENCODER=VLC media player"); + + p_enc->fmt_out.i_extra = 3 * 2 + pi_header[0] + pi_header[1]; + p_extra = p_enc->fmt_out.p_extra = xmalloc( p_enc->fmt_out.i_extra ); + for( i = 0; i < 2; i++ ) + { + *(p_extra++) = pi_header[i] >> 8; + *(p_extra++) = pi_header[i] & 0xFF; + memcpy( p_extra, pp_header[i], pi_header[i] ); + p_extra += pi_header[i]; + } msg_Dbg( p_enc, "encoding: frame size:%d, channels:%d, samplerate:%d", p_sys->i_frame_size, p_enc->fmt_in.audio.i_channels, @@ -626,42 +1023,6 @@ static int OpenEncoder( vlc_object_t *p_this ) return VLC_SUCCESS; } -/**************************************************************************** - * Headers: spits out the headers - **************************************************************************** - * This function spits out ogg packets. - ****************************************************************************/ -static block_t *Headers( encoder_t *p_enc ) -{ - encoder_sys_t *p_sys = p_enc->p_sys; - block_t *p_block, *p_chain = NULL; - - /* Create speex headers */ - if( !p_sys->i_headers ) - { - char *p_buffer; - int i_buffer; - - /* Main header */ - p_buffer = speex_header_to_packet( &p_sys->header, &i_buffer ); - p_block = block_New( p_enc, i_buffer ); - memcpy( p_block->p_buffer, p_buffer, i_buffer ); - p_block->i_dts = p_block->i_pts = p_block->i_length = 0; - block_ChainAppend( &p_chain, p_block ); - - /* Comment */ - p_block = block_New( p_enc, sizeof("ENCODER=VLC media player") ); - memcpy( p_block->p_buffer, "ENCODER=VLC media player", - p_block->i_buffer ); - p_block->i_dts = p_block->i_pts = p_block->i_length = 0; - block_ChainAppend( &p_chain, p_block ); - - p_sys->i_headers = 2; - } - - return p_chain; -} - /**************************************************************************** * Encode: the whole thing **************************************************************************** @@ -672,11 +1033,11 @@ static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf ) encoder_sys_t *p_sys = p_enc->p_sys; block_t *p_block, *p_chain = NULL; - char *p_buffer = p_aout_buf->p_buffer; + unsigned char *p_buffer = p_aout_buf->p_buffer; int i_samples = p_aout_buf->i_nb_samples; int i_samples_delay = p_sys->i_samples_delay; - p_sys->i_pts = p_aout_buf->start_date - + p_sys->i_pts = p_aout_buf->i_pts - (mtime_t)1000000 * (mtime_t)p_sys->i_samples_delay / (mtime_t)p_enc->fmt_in.audio.i_rate; @@ -707,15 +1068,15 @@ static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf ) /* Encode current frame */ if( p_enc->fmt_in.audio.i_channels == 2 ) - speex_encode_stereo( p_samples, p_sys->i_frame_length, - &p_sys->bits ); + speex_encode_stereo_int( p_samples, p_sys->i_frame_length, + &p_sys->bits ); #if 0 if( p_sys->preprocess ) speex_preprocess( p_sys->preprocess, p_samples, NULL ); #endif - speex_encode( p_sys->p_state, p_samples, &p_sys->bits ); + speex_encode_int( p_sys->p_state, p_samples, &p_sys->bits ); p_buffer += p_sys->i_frame_size; p_sys->i_samples_delay -= p_sys->i_frame_length; @@ -770,6 +1131,6 @@ static void CloseEncoder( vlc_object_t *p_this ) speex_encoder_destroy( p_sys->p_state ); speex_bits_destroy( &p_sys->bits ); - if( p_sys->p_buffer ) free( p_sys->p_buffer ); + free( p_sys->p_buffer ); free( p_sys ); }