--- libavformat/oggdec.c | 4 -- libavformat/oggparseopus.c | 87 ++++++++++++++++-------- tests/ref/fate/ogg-opus-chained-meta.txt | 1 - 3 files changed, 60 insertions(+), 32 deletions(-)
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c index 9baf8040a9..5557eb4a14 100644 --- a/libavformat/oggdec.c +++ b/libavformat/oggdec.c @@ -239,10 +239,6 @@ static int ogg_replace_stream(AVFormatContext *s, uint32_t serial, char *magic, os->start_trimming = 0; os->end_trimming = 0; - /* Chained files have extradata as a new packet */ - if (codec == &ff_opus_codec) - os->header = -1; - return i; } diff --git a/libavformat/oggparseopus.c b/libavformat/oggparseopus.c index 218e9df581..65b93b4053 100644 --- a/libavformat/oggparseopus.c +++ b/libavformat/oggparseopus.c @@ -36,6 +36,51 @@ struct oggopus_private { #define OPUS_SEEK_PREROLL_MS 80 #define OPUS_HEAD_SIZE 19 +static int parse_opus_header(AVFormatContext *avf, AVStream *st, struct ogg_stream *os, + struct oggopus_private *priv, uint8_t *packet, + size_t psize) +{ + int channels; + int ret; + + if (psize < OPUS_HEAD_SIZE || (AV_RL8(packet + 8) & 0xF0) != 0) + return AVERROR_INVALIDDATA; + + st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; + st->codecpar->codec_id = AV_CODEC_ID_OPUS; + + channels = AV_RL8(packet + 9); + if (st->codecpar->ch_layout.nb_channels && + channels != st->codecpar->ch_layout.nb_channels) { + av_log(avf, AV_LOG_ERROR, "Channel change is not supported\n"); + return AVERROR_PATCHWELCOME; + } + + st->codecpar->ch_layout.nb_channels = channels; + + priv->pre_skip = AV_RL16(packet + 10); + st->codecpar->initial_padding = priv->pre_skip; + os->start_trimming = priv->pre_skip; + /*orig_sample_rate = AV_RL32(packet + 12);*/ + /*gain = AV_RL16(packet + 16);*/ + /*channel_map = AV_RL8 (packet + 18);*/ + + ret = ff_alloc_extradata(st->codecpar, os->psize); + if (ret < 0) + return ret; + + memcpy(st->codecpar->extradata, packet, os->psize); + + st->codecpar->sample_rate = 48000; + st->codecpar->seek_preroll = av_rescale(OPUS_SEEK_PREROLL_MS, + st->codecpar->sample_rate, 1000); + avpriv_set_pts_info(st, 64, 1, 48000); + + priv->need_comments = 1; + + return 1; +} + static int opus_header(AVFormatContext *avf, int idx) { struct ogg *ogg = avf->priv_data; @@ -43,7 +88,6 @@ static int opus_header(AVFormatContext *avf, int idx) AVStream *st = avf->streams[idx]; struct oggopus_private *priv = os->private; uint8_t *packet = os->buf + os->pstart; - int ret; if (!priv) { priv = os->private = av_mallocz(sizeof(*priv)); @@ -51,32 +95,8 @@ static int opus_header(AVFormatContext *avf, int idx) return AVERROR(ENOMEM); } - if (os->flags & OGG_FLAG_BOS) { - if (os->psize < OPUS_HEAD_SIZE || (AV_RL8(packet + 8) & 0xF0) != 0) - return AVERROR_INVALIDDATA; - st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; - st->codecpar->codec_id = AV_CODEC_ID_OPUS; - st->codecpar->ch_layout.nb_channels = AV_RL8(packet + 9); - - priv->pre_skip = AV_RL16(packet + 10); - st->codecpar->initial_padding = priv->pre_skip; - os->start_trimming = priv->pre_skip; - /*orig_sample_rate = AV_RL32(packet + 12);*/ - /*gain = AV_RL16(packet + 16);*/ - /*channel_map = AV_RL8 (packet + 18);*/ - - if ((ret = ff_alloc_extradata(st->codecpar, os->psize)) < 0) - return ret; - - memcpy(st->codecpar->extradata, packet, os->psize); - - st->codecpar->sample_rate = 48000; - st->codecpar->seek_preroll = av_rescale(OPUS_SEEK_PREROLL_MS, - st->codecpar->sample_rate, 1000); - avpriv_set_pts_info(st, 64, 1, 48000); - priv->need_comments = 1; - return 1; - } + if (os->flags & OGG_FLAG_BOS) + return parse_opus_header(avf, st, os, priv, packet, os->psize); if (priv->need_comments) { if (os->psize < 8 || memcmp(packet, "OpusTags", 8)) @@ -125,6 +145,19 @@ static int opus_packet(AVFormatContext *avf, int idx) return AVERROR_INVALIDDATA; } + if (os->psize > 8 && !memcmp(packet, "OpusHead", 8)) { + ret = parse_opus_header(avf, st, os, priv, packet, os->psize); + if (ret < 0) + return ret; + + return 1; + } + + if (os->psize > 8 && !memcmp(packet, "OpusTags", 8)) { + priv->need_comments = 0; + return 1; + } + if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) { int seg, d; int duration; diff --git a/tests/ref/fate/ogg-opus-chained-meta.txt b/tests/ref/fate/ogg-opus-chained-meta.txt index fc84b8b703..addc41c1eb 100644 --- a/tests/ref/fate/ogg-opus-chained-meta.txt +++ b/tests/ref/fate/ogg-opus-chained-meta.txt @@ -13,7 +13,6 @@ Stream ID: 0, frame PTS: 3528, metadata: N/A Stream ID: 0, packet PTS: 4488, packet DTS: 4488 Stream ID: 0, frame PTS: 4488, metadata: N/A Stream ID: 0, packet PTS: -312, packet DTS: -312 -Stream ID: 0, new metadata: encoder=Lavc61.19.100 libopus;Lavc61.19.100 libopus:title=First Stream;Second Stream Stream ID: 0, frame PTS: -312, metadata: N/A Stream ID: 0, packet PTS: 648, packet DTS: 648 Stream ID: 0, frame PTS: 648, metadata: N/A -- 2.39.5 (Apple Git-154) _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".