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avcodec/mjpegdec: Fix exif rotation->displaymatrix conversion

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The cases in which there was flipping together with a rotation
that is not a multiple of the identity were wrong.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-12-18 21:15:33 +01:00
parent cfa1f0e214
commit b8a4b273be
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mjpegdec.c
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@ -2896,14 +2896,14 @@ the_end:
break;
case 5:
av_display_rotation_set(matrix, 90.0);
av_display_matrix_flip(matrix, 0, 1);
av_display_matrix_flip(matrix, 1, 0);
break;
case 6:
av_display_rotation_set(matrix, 90.0);
break;
case 7:
av_display_rotation_set(matrix, -90.0);
av_display_matrix_flip(matrix, 0, 1);
av_display_matrix_flip(matrix, 1, 0);
break;
case 8:
av_display_rotation_set(matrix, -90.0);