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Remove libvorbis Vorbis decoding support. Our native decoder is complete
and has no known bugs, any remaining issues will hopefully be uncovered now. Originally committed as revision 10924 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -101,6 +101,7 @@ version <next>
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- H.264 PAFF decoding
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- Nellymoser ASAO decoder
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- Beam Software SIFF demuxer and decoder
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- libvorbis Vorbis decoding removed in favor of native decoder
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version 0.4.9-pre1:
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9
configure
vendored
9
configure
vendored
@ -93,8 +93,8 @@ show_help(){
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echo " native demuxer exists [default=no]"
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echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
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echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
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echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
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echo " native implementations exist [default=no]"
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echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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echo " native implementation exists [default=no]"
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echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
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echo " --enable-libxvid enable Xvid encoding via xvidcore,"
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echo " native MPEG-4/Xvid encoder exists [default=no]"
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@ -782,7 +782,6 @@ libgsm_ms_decoder_deps="libgsm"
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libgsm_ms_encoder_deps="libgsm"
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libmp3lame_encoder_deps="libmp3lame"
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libtheora_encoder_deps="libtheora"
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libvorbis_decoder_deps="libvorbis"
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libvorbis_encoder_deps="libvorbis"
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libx264_encoder_deps="libx264"
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libxvid_encoder_deps="libxvid"
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@ -1568,7 +1567,7 @@ enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
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enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
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enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
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enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
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enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
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enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -logg
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enabled libx264 && require x264 x264.h x264_encoder_open -lx264
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enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
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enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
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@ -1750,7 +1749,7 @@ check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
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enabled libdc1394 && append pkg_requires "libraw1394"
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enabled libogg && append pkg_requires "ogg >= 1.1"
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enabled libtheora && append pkg_requires "theora"
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enabled libvorbis && append pkg_requires "vorbis vorbisenc"
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enabled libvorbis && append pkg_requires "vorbisenc"
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echo "install prefix $PREFIX"
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echo "source path $source_path"
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@ -272,7 +272,7 @@ void avcodec_register_all(void)
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REGISTER_ENCDEC (LIBGSM_MS, libgsm_ms);
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REGISTER_ENCODER (LIBMP3LAME, libmp3lame);
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REGISTER_ENCODER (LIBTHEORA, libtheora);
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REGISTER_ENCDEC (LIBVORBIS, libvorbis);
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REGISTER_ENCODER (LIBVORBIS, libvorbis);
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REGISTER_ENCODER (LIBX264, libx264);
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REGISTER_ENCODER (LIBXVID, libxvid);
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@ -218,160 +218,3 @@ AVCodec libvorbis_encoder = {
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oggvorbis_encode_close,
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.capabilities= CODEC_CAP_DELAY,
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} ;
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static int oggvorbis_decode_init(AVCodecContext *avccontext) {
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OggVorbisContext *context = avccontext->priv_data ;
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uint8_t *p= avccontext->extradata;
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int i, hsizes[3];
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unsigned char *headers[3], *extradata = avccontext->extradata;
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vorbis_info_init(&context->vi) ;
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vorbis_comment_init(&context->vc) ;
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if(! avccontext->extradata_size || ! p) {
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av_log(avccontext, AV_LOG_ERROR, "vorbis extradata absent\n");
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return -1;
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}
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if(p[0] == 0 && p[1] == 30) {
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for(i = 0; i < 3; i++){
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hsizes[i] = bytestream_get_be16(&p);
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headers[i] = p;
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p += hsizes[i];
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}
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} else if(*p == 2) {
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unsigned int offset = 1;
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p++;
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for(i=0; i<2; i++) {
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hsizes[i] = 0;
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while((*p == 0xFF) && (offset < avccontext->extradata_size)) {
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hsizes[i] += 0xFF;
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offset++;
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p++;
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}
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if(offset >= avccontext->extradata_size - 1) {
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av_log(avccontext, AV_LOG_ERROR,
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"vorbis header sizes damaged\n");
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return -1;
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}
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hsizes[i] += *p;
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offset++;
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p++;
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}
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hsizes[2] = avccontext->extradata_size - hsizes[0]-hsizes[1]-offset;
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#if 0
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av_log(avccontext, AV_LOG_DEBUG,
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"vorbis header sizes: %d, %d, %d, / extradata_len is %d \n",
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hsizes[0], hsizes[1], hsizes[2], avccontext->extradata_size);
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#endif
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headers[0] = extradata + offset;
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headers[1] = extradata + offset + hsizes[0];
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headers[2] = extradata + offset + hsizes[0] + hsizes[1];
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} else {
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av_log(avccontext, AV_LOG_ERROR,
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"vorbis initial header len is wrong: %d\n", *p);
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return -1;
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}
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for(i=0; i<3; i++){
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context->op.b_o_s= i==0;
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context->op.bytes = hsizes[i];
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context->op.packet = headers[i];
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if(vorbis_synthesis_headerin(&context->vi, &context->vc, &context->op)<0){
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av_log(avccontext, AV_LOG_ERROR, "%d. vorbis header damaged\n", i+1);
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return -1;
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}
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}
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avccontext->channels = context->vi.channels;
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avccontext->sample_rate = context->vi.rate;
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avccontext->time_base= (AVRational){1, avccontext->sample_rate};
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vorbis_synthesis_init(&context->vd, &context->vi);
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vorbis_block_init(&context->vd, &context->vb);
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return 0 ;
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}
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static inline int conv(int samples, float **pcm, char *buf, int channels) {
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int i, j;
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ogg_int16_t *ptr, *data = (ogg_int16_t*)buf ;
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float *mono ;
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for(i = 0 ; i < channels ; i++){
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ptr = &data[i];
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mono = pcm[i] ;
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for(j = 0 ; j < samples ; j++) {
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*ptr = av_clip_int16(mono[j] * 32767.f);
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ptr += channels;
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}
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}
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return 0 ;
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}
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static int oggvorbis_decode_frame(AVCodecContext *avccontext,
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void *data, int *data_size,
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uint8_t *buf, int buf_size)
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{
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OggVorbisContext *context = avccontext->priv_data ;
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float **pcm ;
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ogg_packet *op= &context->op;
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int samples, total_samples, total_bytes;
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if(!buf_size){
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//FIXME flush
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return 0;
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}
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op->packet = buf;
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op->bytes = buf_size;
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// av_log(avccontext, AV_LOG_DEBUG, "%d %d %d %"PRId64" %"PRId64" %d %d\n", op->bytes, op->b_o_s, op->e_o_s, op->granulepos, op->packetno, buf_size, context->vi.rate);
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/* for(i=0; i<op->bytes; i++)
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av_log(avccontext, AV_LOG_DEBUG, "%02X ", op->packet[i]);
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av_log(avccontext, AV_LOG_DEBUG, "\n");*/
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if(vorbis_synthesis(&context->vb, op) == 0)
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vorbis_synthesis_blockin(&context->vd, &context->vb) ;
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total_samples = 0 ;
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total_bytes = 0 ;
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while((samples = vorbis_synthesis_pcmout(&context->vd, &pcm)) > 0) {
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conv(samples, pcm, (char*)data + total_bytes, context->vi.channels) ;
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total_bytes += samples * 2 * context->vi.channels ;
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total_samples += samples ;
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vorbis_synthesis_read(&context->vd, samples) ;
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}
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*data_size = total_bytes ;
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return buf_size ;
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}
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static int oggvorbis_decode_close(AVCodecContext *avccontext) {
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OggVorbisContext *context = avccontext->priv_data ;
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vorbis_info_clear(&context->vi) ;
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vorbis_comment_clear(&context->vc) ;
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return 0 ;
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}
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AVCodec libvorbis_decoder = {
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"libvorbis",
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CODEC_TYPE_AUDIO,
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CODEC_ID_VORBIS,
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sizeof(OggVorbisContext),
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oggvorbis_decode_init,
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NULL,
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oggvorbis_decode_close,
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oggvorbis_decode_frame,
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.capabilities= CODEC_CAP_DELAY,
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} ;
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