X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Foggparsespeex.c;h=80b2001ddf55dd27b7d30ffb592a8028dca75ccb;hb=45fb64749584ed07ea88549a3e06ae70e1d736e9;hp=cc00dd2207871e73f05e2c65c6822ddfc67ade19;hpb=eb5f3c5434c823f282d68858ddcdaa001a14857a;p=ffmpeg diff --git a/libavformat/oggparsespeex.c b/libavformat/oggparsespeex.c index cc00dd22078..80b2001ddf5 100644 --- a/libavformat/oggparsespeex.c +++ b/libavformat/oggparsespeex.c @@ -30,18 +30,29 @@ #include "avformat.h" #include "oggdec.h" +struct speex_params { + int final_packet_duration; + int seq; +}; + static int speex_header(AVFormatContext *s, int idx) { struct ogg *ogg = s->priv_data; struct ogg_stream *os = ogg->streams + idx; + struct speex_params *spxp = os->private; AVStream *st = s->streams[idx]; uint8_t *p = os->buf + os->pstart; - if (os->seq > 1) + if (!spxp) { + spxp = av_mallocz(sizeof(*spxp)); + os->private = spxp; + } + + if (spxp->seq > 1) return 0; - if (os->seq == 0) { + if (spxp->seq == 0) { int frames_per_packet; - st->codec->codec_type = CODEC_TYPE_AUDIO; + st->codec->codec_type = AVMEDIA_TYPE_AUDIO; st->codec->codec_id = CODEC_ID_SPEEX; st->codec->sample_rate = AV_RL32(p + 36); @@ -61,16 +72,56 @@ static int speex_header(AVFormatContext *s, int idx) { + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(st->codec->extradata, p, st->codec->extradata_size); - st->time_base.num = 1; - st->time_base.den = st->codec->sample_rate; + av_set_pts_info(st, 64, 1, st->codec->sample_rate); } else - vorbis_comment(s, p, os->psize); + ff_vorbis_comment(s, &st->metadata, p, os->psize); + spxp->seq++; return 1; } +static int ogg_page_packets(struct ogg_stream *os) +{ + int i; + int packets = 0; + for (i = 0; i < os->nsegs; i++) + if (os->segments[i] < 255) + packets++; + return packets; +} + +static int speex_packet(AVFormatContext *s, int idx) +{ + struct ogg *ogg = s->priv_data; + struct ogg_stream *os = ogg->streams + idx; + struct speex_params *spxp = os->private; + int packet_size = s->streams[idx]->codec->frame_size; + + if (os->flags & OGG_FLAG_EOS && os->lastpts != AV_NOPTS_VALUE && + os->granule > 0) { + /* first packet of final page. we have to calculate the final packet + duration here because it is the only place we know the next-to-last + granule position. */ + spxp->final_packet_duration = os->granule - os->lastpts - + packet_size * (ogg_page_packets(os) - 1); + } + + if (!os->lastpts && os->granule > 0) + /* first packet */ + os->pduration = os->granule - packet_size * (ogg_page_packets(os) - 1); + else if (os->flags & OGG_FLAG_EOS && os->segp == os->nsegs && + spxp->final_packet_duration) + /* final packet */ + os->pduration = spxp->final_packet_duration; + else + os->pduration = packet_size; + + return 0; +} + const struct ogg_codec ff_speex_codec = { .magic = "Speex ", .magicsize = 8, - .header = speex_header + .header = speex_header, + .packet = speex_packet };