[FFmpeg-user] rotation of video from android_camera

Juha Heinanen jh at tutpro.com
Mon Apr 27 19:46:46 EEST 2020

Juha Heinanen via ffmpeg-user writes:

> If android_camera device would rotate the video clockwise by that
> amount (270), orientation of the video would be correct.  There is this
> in android_camera.c:
>   av_display_rotation_set(display_matrix, ctx->sensor_orientation);
>   if (ctx->lens_facing == ACAMERA_LENS_FACING_FRONT) {
>       av_display_matrix_flip(display_matrix, 1, 0);
>   }

I tried with back camera (where the above flip call is not executed) and
now android_camera sent the video with 270 degree clockwise orientation.

This is with ffmpeg version 4.2.2.

-- Juha

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