[FFmpeg-devel] [PATCH] mov: add option to ignore moov atoms which are detected in free atoms, so apps can have flexibility to use moov atom not in free atoms as default.

[Zhenni Huang]

Hi Carl,

Thanks for your reply. Setting strict_std_compliance to 2 could help in
this case. However, as it is a global flag, it could influence other parts
in demuxers. It is preferable if we can have control of whether to use moov
in free with one separate flag.

Thanks,
Zhenni

On Mon, Oct 24, 2016 at 2:54 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
wrote:

> 2016-10-24 23:11 GMT+02:00 Zhenni Huang <zhennihuang-at-google.com@
> ffmpeg.org>:
>
> [...]
>
> Does the following inlined patch help you?
>
> Carl Eugen
>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 357d800..ed099fc 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -4884,6 +4884,7 @@
>              a.type = avio_rl32(pb);
>              if (a.type == MKTAG('f','r','e','e') &&
>                  a.size >= 8 &&
> +                c->fc->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT
> &&
>                  c->moov_retry) {
>                  uint8_t buf[8];
>                  uint32_t *type = (uint32_t *)buf + 1;
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