> 发件人: James Almer <jamr...@gmail.com>
> 发送时间: 2024年4月13日 6:12
> 收件人: Wu Jianhua; ffmpeg-devel@ffmpeg.org
> 主题: Re: 回复: [FFmpeg-devel] [PATCH 2/2] avformat/mov: improve HEIF parsing
>
> On 4/13/2024 8:04 AM, Wu Jianhua wrote:
>>> 发件人: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> 代表 James Almer
>>> <jamr...@gmail.com>
>>> 发送时间: 2024年1月9日 11:55
>>> 收件人: ffmpeg-devel@ffmpeg.org
>>> 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 <jamr...@gmail.com>
>>> ---
>>> 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
>
> Can you test
> https://ffmpeg.org//pipermail/ffmpeg-devel/2024-April/325644.html ?
It works. Thanks for you quick fix!
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