From: Zhao Zhili <[email protected]>
Signed-off-by: Zhao Zhili <[email protected]>
---
fftools/ffplay.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/fftools/ffplay.c b/fftools/ffplay.c
index efcd4f6452..60d8874eab 100644
--- a/fftools/ffplay.c
+++ b/fftools/ffplay.c
@@ -1963,16 +1963,21 @@ static int configure_video_filters(AVFilterGraph
*graph, VideoState *is, const c
theta = get_rotation(displaymatrix);
if (fabs(theta - 90) < 1.0) {
- INSERT_FILT("transpose", "clock");
+ INSERT_FILT("transpose", displaymatrix[3] > 0 ? "cclock_flip" :
"clock");
} else if (fabs(theta - 180) < 1.0) {
- INSERT_FILT("hflip", NULL);
- INSERT_FILT("vflip", NULL);
+ if (displaymatrix[0] < 0)
+ INSERT_FILT("hflip", NULL);
+ if (displaymatrix[4] < 0)
+ INSERT_FILT("vflip", NULL);
} else if (fabs(theta - 270) < 1.0) {
- INSERT_FILT("transpose", "cclock");
+ INSERT_FILT("transpose", displaymatrix[3] < 0 ? "clock_flip" :
"cclock");
} else if (fabs(theta) > 1.0) {
char rotate_buf[64];
snprintf(rotate_buf, sizeof(rotate_buf), "%f*PI/180", theta);
INSERT_FILT("rotate", rotate_buf);
+ } else {
+ if (displaymatrix && displaymatrix[4] < 0)
+ INSERT_FILT("vflip", NULL);
}
}
--
2.42.0
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