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vo_opengl: fix rotation direction

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The recent changes fixed rotation handling, but reversed the rotation
direction. The direction is expected to be counter-clockwise, because
demuxers export video rotation metadata as such.
This commit is contained in:
wm4 2016-03-29 11:47:16 +02:00
parent 8d69731871
commit b95a10c2dd
1 changed files with 1 additions and 1 deletions
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video/out/opengl/video.c
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@ -1763,7 +1763,7 @@ static void compute_src_transform(struct gl_video *p, struct gl_transform *tr)
int a = p->image_params.rotate % 90 ? 0 : p->image_params.rotate / 90;
int sin90[4] = {0, 1, 0, -1}; // just to avoid rounding issues etc.
int cos90[4] = {1, 0, -1, 0};
struct gl_transform rot = {{{cos90[a], -sin90[a]}, {sin90[a], cos90[a]}}};
struct gl_transform rot = {{{cos90[a], sin90[a]}, {-sin90[a], cos90[a]}}};
gl_transform_trans(rot, &transform);
// basically, recenter to keep the whole image in view