> 发件人: ffmpeg-devel <[email protected]> 代表 James Almer
> <[email protected]>
> 发送时间: 2024年1月9日 11:55
> 收件人: [email protected]
> 主题: [FFmpeg-devel] [PATCH 2/2] avformat/mov: improve HEIF parsing
>
> Parse iinf boxes and its child infe boxes to get the actual codec used
> (AV1 for avif, HEVC for heic), and properly export extradata in a generic
> way.
>
> The avif tests reference files are updated as the extradata is now exported.
>
> Signed-off-by: James Almer <[email protected]>
> ---
> libavformat/isom.h | 3 +-
> libavformat/mov.c | 157 ++++++++++--------
> .../fate/mov-avif-demux-still-image-1-item | 2 +-
> .../mov-avif-demux-still-image-multiple-items | 2 +-
> 4 files changed, 95 insertions(+), 69 deletions(-)
>
> + if (version != 2) {
> + av_log(c->fc, AV_LOG_ERROR, "infe: version != 2 not supported.\n");
> + return AVERROR_PATCHWELCOME;
> + }
> +
Hi James,
With the change, some errors occurred and the current FFmpeg failed to decode a
lot of videos that can be decoded by older FFmpeg.
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001e6e79aac80] st: 0 edit list: 1 Missing key
frame while searching for timestamp: 1000
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001e6e79aac80] st: 0 edit list 1 Cannot find an
index entry before timestamp: 1000.
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001e6e79aac80] infe: version < 2 not supported
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001e6e79aac80] error reading header
I'm not familiar with the mov. Is it possible to treat this error as a warning
and skip it when the version < 2?
Thanks,
Jianhua
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