On 2 Dec 2023, at 0:26, Michael Niedermayer wrote:
> Fixes: switch_1080p_720p.mp4
> Found-by: Dale Curtis <dalecur...@chromium.org>
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
> libavformat/mov.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index f7b5ec7a352..fb5d6f49138 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -1222,8 +1222,10 @@ static int mov_read_ftyp(MOVContext *c, AVIOContext
> *pb, MOVAtom atom)
> int ret = ffio_read_size(pb, type, 4);
> if (ret < 0)
> return ret;
> - if (c->fc->nb_streams)
> - return AVERROR_INVALIDDATA;
> + if (c->fc->nb_streams) {
> + av_log(c->fc, AV_LOG_DEBUG, "Ignoring duplicate FTYP\n");
> + return 0;
> + }
>
Should this be an error when FF_COMPLIANCE_STRICT maybe?
> if (strcmp(type, "qt "))
> c->isom = 1;
> --
> 2.17.1
>
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