From 0569a7e0bd2006d9a5248d17a1f4bf3ca654ae50 Mon Sep 17 00:00:00 2001 From: Vittorio Giovara Date: Wed, 2 Jul 2014 12:02:15 -0400 Subject: hevc: parse display orientation SEI message Signed-off-by: Vittorio Giovara --- libavcodec/hevc_sei.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'libavcodec/hevc_sei.c') diff --git a/libavcodec/hevc_sei.c b/libavcodec/hevc_sei.c index b011596599..978a0e3878 100644 --- a/libavcodec/hevc_sei.c +++ b/libavcodec/hevc_sei.c @@ -71,6 +71,21 @@ static void decode_nal_sei_frame_packing_arrangement(HEVCContext *s) skip_bits1(gb); // upsampled_aspect_ratio_flag } +static void decode_nal_sei_display_orientation(HEVCContext *s) +{ + GetBitContext *gb = &s->HEVClc.gb; + + s->sei_display_orientation_present = !get_bits1(gb); + + if (s->sei_display_orientation_present) { + s->sei_hflip = get_bits1(gb); // hor_flip + s->sei_vflip = get_bits1(gb); // ver_flip + + s->sei_anticlockwise_rotation = get_bits(gb, 16); + skip_bits1(gb); // display_orientation_persistence_flag + } +} + static int decode_nal_sei_message(HEVCContext *s) { GetBitContext *gb = &s->HEVClc.gb; @@ -94,6 +109,8 @@ static int decode_nal_sei_message(HEVCContext *s) decode_nal_sei_decoded_picture_hash(s); else if (payload_type == 45) decode_nal_sei_frame_packing_arrangement(s); + else if (payload_type == 47) + decode_nal_sei_display_orientation(s); else { av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", payload_type); skip_bits(gb, 8 * payload_size); -- cgit v1.2.3