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authorVittorio Giovara <vittorio.giovara@gmail.com>2014-07-02 11:58:19 -0400
committerVittorio Giovara <vittorio.giovara@gmail.com>2014-07-09 10:17:42 -0400
commit18e3d61e9e3b52c177aa7a1f2a054a8a753e1b09 (patch)
tree1542603c347195c576eb989c2edb790e4eb83711 /libavcodec/h264.c
parenta54f03bf07da964a1b04b03b85bc39deba76efa4 (diff)
h264: parse display orientation SEI message
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Diffstat (limited to 'libavcodec/h264.c')
-rw-r--r--libavcodec/h264.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index a04839c9c0..ec14caa30d 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -26,6 +26,7 @@
*/
#include "libavutil/avassert.h"
+#include "libavutil/display.h"
#include "libavutil/imgutils.h"
#include "libavutil/stereo3d.h"
#include "libavutil/timer.h"
@@ -822,6 +823,20 @@ static void decode_postinit(H264Context *h, int setup_finished)
stereo->flags = AV_STEREO3D_FLAG_INVERT;
}
+ if (h->sei_display_orientation_present &&
+ (h->sei_anticlockwise_rotation || h->sei_hflip || h->sei_vflip)) {
+ double angle = h->sei_anticlockwise_rotation * 360 / (double) (1 << 16);
+ AVFrameSideData *rotation = av_frame_new_side_data(&cur->f,
+ AV_FRAME_DATA_DISPLAYMATRIX,
+ sizeof(int32_t) * 9);
+ if (!rotation)
+ return;
+
+ av_display_rotation_set((int32_t *)rotation->data, angle);
+ av_display_matrix_flip((int32_t *)rotation->data,
+ h->sei_vflip, h->sei_hflip);
+ }
+
// FIXME do something with unavailable reference frames
/* Sort B-frames into display order */