[FFmpeg-devel] [PATCH v2 2/2] fftools/ffmpeg: Add stream metadata from first frame's metadata

[Michael Niedermayer]

On Sun, May 05, 2019 at 08:41:28PM -0700, Jun Li wrote:
> Fix #6945
> Exif extension has 'Orientaion' field for image flip and rotation.
> This change is to add the first frame's exif into stream so that
> autorotation would use the info to adjust the frames.
> ---
>  fftools/ffmpeg.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> index 01f04103cf..cea85c601e 100644
> --- a/fftools/ffmpeg.c
> +++ b/fftools/ffmpeg.c
> @@ -2341,6 +2341,56 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,

this produces warnings like:
fftools/ffmpeg.c: In function ‘set_metadata_from_1stframe’:
fftools/ffmpeg.c:2362:17: warning: passing argument 1 of ‘av_display_matrix_flip’ from incompatible pointer type [enabled by default]

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Whats the most studid thing your enemy could do ? Blow himself up
Whats the most studid thing you could do ? Give up your rights and
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