static void decode_nal_sei_frame_packing_arrangement(HEVCContext *s)
{
- GetBitContext *gb = &s->HEVClc.gb;
+ GetBitContext *gb = &s->HEVClc->gb;
- int cancel;
- int quincunx = 0;
- int content = -1;
- int type = -1;
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
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_pic_timing(HEVCContext *s)
+{
+ GetBitContext *gb = &s->HEVClc->gb;
+ HEVCSPS *sps;
+
+ if (!s->sps_list[s->active_seq_parameter_set_id])
+ return(AVERROR(ENOMEM));
+ sps = (HEVCSPS*)s->sps_list[s->active_seq_parameter_set_id]->data;
+
+ if (sps->vui.frame_field_info_present_flag) {
+ int pic_struct = get_bits(gb, 4);
+ s->picture_struct = AV_PICTURE_STRUCTURE_UNKNOWN;
+ if (pic_struct == 2) {
+ av_log(s->avctx, AV_LOG_DEBUG, "BOTTOM Field\n");
+ s->picture_struct = AV_PICTURE_STRUCTURE_BOTTOM_FIELD;
+ } else if (pic_struct == 1) {
+ av_log(s->avctx, AV_LOG_DEBUG, "TOP Field\n");
+ s->picture_struct = AV_PICTURE_STRUCTURE_TOP_FIELD;
+ }
+ get_bits(gb, 2); // source_scan_type
+ get_bits(gb, 1); // duplicate_flag
+ }
+ return 1;
+}
+
+static int active_parameter_sets(HEVCContext *s)
+{
+ GetBitContext *gb = &s->HEVClc->gb;
+ int num_sps_ids_minus1;
+ int i;
+ unsigned active_seq_parameter_set_id;
+
+ get_bits(gb, 4); // active_video_parameter_set_id
+ get_bits(gb, 1); // self_contained_cvs_flag
+ get_bits(gb, 1); // num_sps_ids_minus1
+ num_sps_ids_minus1 = get_ue_golomb_long(gb); // num_sps_ids_minus1
+
+ active_seq_parameter_set_id = get_ue_golomb_long(gb);
+ if (active_seq_parameter_set_id >= MAX_SPS_COUNT) {
+ av_log(s->avctx, AV_LOG_ERROR, "active_parameter_set_id %d invalid\n", active_seq_parameter_set_id);
+ return AVERROR_INVALIDDATA;
+ }
+ s->active_seq_parameter_set_id = active_seq_parameter_set_id;
+
+ for (i = 1; i <= num_sps_ids_minus1; i++)
+ get_ue_golomb_long(gb); // active_seq_parameter_set_id[i]
+
+ return 0;
+}
+
static int decode_nal_sei_message(HEVCContext *s)
{
- GetBitContext *gb = &s->HEVClc.gb;
+ GetBitContext *gb = &s->HEVClc->gb;
int payload_type = 0;
int payload_size = 0;