From: "Mohammed (Shaan) Huzaifa Danish" <[email protected]>
---
libavcodec/h264_sei.c | 4 +++-
libavcodec/h264_sei.h | 1 +
libavcodec/h264_slice.c | 2 ++
libavutil/stereo3d.h | 4 ++++
4 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
index 03fca9017f..337270cb6e 100644
--- a/libavcodec/h264_sei.c
+++ b/libavcodec/h264_sei.c
@@ -315,7 +315,9 @@ static int
decode_frame_packing_arrangement(H264SEIFramePacking *h,
h->content_interpretation_type = get_bits(gb, 6);
// the following skips: spatial_flipping_flag, frame0_flipped_flag,
- // field_views_flag, current_frame_is_frame0_flag,
+ // field_views_flag
+ skip_bits(gb, 3);
+ h->current_frame_is_frame0_flag = get_bits1(gb);
// frame0_self_contained_flag, frame1_self_contained_flag
skip_bits(gb, 6);
diff --git a/libavcodec/h264_sei.h b/libavcodec/h264_sei.h
index f6ac6034da..c3a19dd831 100644
--- a/libavcodec/h264_sei.h
+++ b/libavcodec/h264_sei.h
@@ -108,6 +108,7 @@ typedef struct H264SEIFramePacking {
int arrangement_type;
int content_interpretation_type;
int quincunx_subsampling;
+ int current_frame_is_frame0_flag;
} H264SEIFramePacking;
typedef struct H264SEIDisplayOrientation {
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 5dd01d836e..f5b78bfe29 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1112,6 +1112,8 @@ static int h264_export_frame_props(H264Context *h)
if (fp->content_interpretation_type == 2)
stereo->flags = AV_STEREO3D_FLAG_INVERT;
+ if (fp->current_frame_is_frame0_flag)
+ stereo->flags |= AV_STEREO3D_FLAG_FRAME0;
}
if (h->sei.display_orientation.present &&
diff --git a/libavutil/stereo3d.h b/libavutil/stereo3d.h
index 0fa9f63a2c..4c8ab5c40a 100644
--- a/libavutil/stereo3d.h
+++ b/libavutil/stereo3d.h
@@ -146,6 +146,10 @@ enum AVStereo3DType {
* Inverted views, Right/Bottom represents the left view.
*/
#define AV_STEREO3D_FLAG_INVERT (1 << 0)
+/**
+ * This frame is frame0 (left view), otherwise it's the right view.
+ */
+#define AV_STEREO3D_FLAG_FRAME0 (1 << 1)
/**
* Stereo 3D type: this structure describes how two videos are packed
--
2.12.1
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