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Diffstat (limited to 'libavcodec/hevc_sei.c')
-rw-r--r--libavcodec/hevc_sei.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/libavcodec/hevc_sei.c b/libavcodec/hevc_sei.c
index eed7b335f8..b011596599 100644
--- a/libavcodec/hevc_sei.c
+++ b/libavcodec/hevc_sei.c
@@ -49,31 +49,26 @@ static void decode_nal_sei_decoded_picture_hash(HEVCContext *s)
static void decode_nal_sei_frame_packing_arrangement(HEVCContext *s)
{
GetBitContext *gb = &s->HEVClc.gb;
- int cancel, type, quincunx, content;
get_ue_golomb(gb); // frame_packing_arrangement_id
- cancel = get_bits1(gb); // frame_packing_cancel_flag
- if (cancel == 0) {
- type = get_bits(gb, 7); // frame_packing_arrangement_type
- quincunx = get_bits1(gb); // quincunx_sampling_flag
- content = get_bits(gb, 6); // content_interpretation_type
+ s->sei_frame_packing_present = !get_bits1(gb);
+
+ if (s->sei_frame_packing_present) {
+ s->frame_packing_arrangement_type = get_bits(gb, 7);
+ s->quincunx_subsampling = get_bits1(gb);
+ s->content_interpretation_type = get_bits(gb, 6);
// the following skips spatial_flipping_flag frame0_flipped_flag
// field_views_flag current_frame_is_frame0_flag
// frame0_self_contained_flag frame1_self_contained_flag
skip_bits(gb, 6);
- if (quincunx == 0 && type != 5)
+ if (!s->quincunx_subsampling && s->frame_packing_arrangement_type != 5)
skip_bits(gb, 16); // frame[01]_grid_position_[xy]
skip_bits(gb, 8); // frame_packing_arrangement_reserved_byte
skip_bits1(gb); // frame_packing_arrangement_persistance_flag
}
skip_bits1(gb); // upsampled_aspect_ratio_flag
-
- s->sei_frame_packing_present = (cancel == 0);
- s->frame_packing_arrangement_type = type;
- s->content_interpretation_type = content;
- s->quincunx_subsampling = quincunx;
}
static int decode_nal_sei_message(HEVCContext *s)