[ffmpeg] branch master updated (7505cea0e9 -> 16ee3d8d99)
This is an automated email from the git hooks/post-receive script. Git pushed a change to branch master in repository ffmpeg. from 7505cea0e9 avformat/whip: skip the unmatch nack packet through ssrc new 51aef95ba1 avformat/mov: fix setting iamf stream id offsets new 16ee3d8d99 avformat/mov: fix cases where we discard iamf packets from enabled streams The 2 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "add" were already present in the repository and have only been added to this reference. Summary of changes: libavformat/iamf_reader.c | 3 +++ libavformat/mov.c | 26 +++++++++++++++++++++++--- 2 files changed, 26 insertions(+), 3 deletions(-)
This is an automated email from the git hooks/post-receive script. Git pushed a commit to branch master in repository ffmpeg. commit 51aef95ba156b7848eca5445f0f59b091c3b1004 Author: James Almer <jamrial@gmail.com> AuthorDate: Fri Feb 27 10:38:14 2026 -0300 Commit: James Almer <jamrial@gmail.com> CommitDate: Fri Feb 27 11:00:58 2026 -0300 avformat/mov: fix setting iamf stream id offsets If we were to add the highest id of a non iamf stream as offset to iamf stream ids, and one of the latter was 0, then an id overlap would ocurr. Signed-off-by: James Almer <jamrial@gmail.com> --- libavformat/mov.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 46dac965a2..09eacb4e89 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -10759,7 +10759,7 @@ static int mov_parse_lcevc_streams(AVFormatContext *s) static void fix_stream_ids(AVFormatContext *s) { - int highest_id = 0; + int highest_id = 0, lowest_iamf_id = INT_MAX; for (int i = 0; i < s->nb_streams; i++) { const AVStream *st = s->streams[i]; @@ -10767,7 +10767,21 @@ static void fix_stream_ids(AVFormatContext *s) if (!sc->iamf) highest_id = FFMAX(highest_id, st->id); } - highest_id += !highest_id; + + for (int i = 0; i < s->nb_stream_groups; i++) { + AVStreamGroup *stg = s->stream_groups[i]; + if (stg->type != AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT) + continue; + for (int j = 0; j < stg->nb_streams; j++) { + AVStream *st = stg->streams[j]; + lowest_iamf_id = FFMIN(lowest_iamf_id, st->id); + } + } + + if (highest_id < lowest_iamf_id) + return; + + highest_id += !lowest_iamf_id; for (int i = 0; highest_id > 1 && i < s->nb_stream_groups; i++) { AVStreamGroup *stg = s->stream_groups[i]; if (stg->type != AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT)
This is an automated email from the git hooks/post-receive script. Git pushed a commit to branch master in repository ffmpeg. commit 16ee3d8d99a2f2e83a2559e958e19ede813b29f8 Author: James Almer <jamrial@gmail.com> AuthorDate: Fri Feb 27 10:41:31 2026 -0300 Commit: James Almer <jamrial@gmail.com> CommitDate: Fri Feb 27 11:01:25 2026 -0300 avformat/mov: fix cases where we discard iamf packets from enabled streams Given the entire iamf struct is inside a single Track, if the first iamf stream (which is the one sharing the index and id from the Track) was to be disabled, then packets from every iamf stream would be discarded. Fix this by actually going through the entire iamf Sample and discarding those from the disabled streams only. Signed-off-by: James Almer <jamrial@gmail.com> --- libavformat/iamf_reader.c | 3 +++ libavformat/mov.c | 8 +++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/libavformat/iamf_reader.c b/libavformat/iamf_reader.c index 418ab5d1c1..1b963ee311 100644 --- a/libavformat/iamf_reader.c +++ b/libavformat/iamf_reader.c @@ -95,6 +95,9 @@ static int audio_frame_obu(AVFormatContext *s, const IAMFDemuxContext *c, memcpy(side_data, c->recon, c->recon_size); } + if (st->discard == AVDISCARD_ALL) + pkt->flags |= AV_PKT_FLAG_DISCARD; + pkt->stream_index = st->index; return 0; } diff --git a/libavformat/mov.c b/libavformat/mov.c index 09eacb4e89..bc91102c4d 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -11338,7 +11338,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt) sample->size = FFMIN(sample->size, (mov->next_root_atom - sample->pos)); } - if (st->discard != AVDISCARD_ALL) { + if (st->discard != AVDISCARD_ALL || sc->iamf) { int64_t ret64 = avio_seek(sc->pb, sample->pos, SEEK_SET); if (ret64 != sample->pos) { av_log(mov->fc, AV_LOG_ERROR, "stream %d, offset 0x%"PRIx64": partial file\n", @@ -11374,6 +11374,12 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt) return ret; } size -= ret; + + if (pkt->flags & AV_PKT_FLAG_DISCARD) { + av_packet_unref(pkt); + ret = 0; + continue; + } pkt->pts = pts; pkt->dts = dts; pkt->pos = pos; pkt->flags |= flags; pkt->duration = duration;
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