[FFmpeg-devel] [PATCH] avcodec/hevc_sei: Support HEVC paired fields.

[Brian Matherly]

Correctly set frame.interlaced and frame.top_field_first when pic_struct
indicates paired fields.
---
 libavcodec/hevc_sei.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/hevc_sei.c b/libavcodec/hevc_sei.c
index cd55d50..d0f9966 100644
--- a/libavcodec/hevc_sei.c
+++ b/libavcodec/hevc_sei.c
@@ -137,10 +137,10 @@ static int decode_nal_sei_pic_timing(HEVCSEIContext *s, GetBitContext *gb, const
     if (sps->vui.frame_field_info_present_flag) {
         int pic_struct = get_bits(gb, 4);
         h->picture_struct = AV_PICTURE_STRUCTURE_UNKNOWN;
-        if (pic_struct == 2) {
+        if (pic_struct == 2 || pic_struct == 10 || pic_struct == 12) {
             av_log(logctx, AV_LOG_DEBUG, "BOTTOM Field\n");
             h->picture_struct = AV_PICTURE_STRUCTURE_BOTTOM_FIELD;
-        } else if (pic_struct == 1) {
+        } else if (pic_struct == 1 || pic_struct == 9 || pic_struct == 11) {
             av_log(logctx, AV_LOG_DEBUG, "TOP Field\n");
             h->picture_struct = AV_PICTURE_STRUCTURE_TOP_FIELD;
         }
-- 
2.7.4


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