return 0;
}
+/* decode SEI picture timing message */
+static gboolean
+gst_sei_decode_picture_timing (GstH264Parse * h, GstNalBs * bs)
+{
+ GstH264Sps *sps = h->sps;
+
+ if (sps == NULL) {
+ GST_WARNING_OBJECT (h, "h->sps=NULL; delayed decoding of picture timing "
+ "info not implemented yet");
+ return FALSE;
+ }
+
+ if (sps->nal_hrd_parameters_present_flag
+ || sps->vcl_hrd_parameters_present_flag) {
+ h->sei_cpb_removal_delay =
+ gst_nal_bs_read (bs, sps->cpb_removal_delay_length_minus1 + 1);
+ h->sei_dpb_output_delay =
+ gst_nal_bs_read (bs, sps->dpb_output_delay_length_minus1 + 1);
+ }
+ if (sps->pic_struct_present_flag) {
+ guint i, num_clock_ts;
+ h->sei_pic_struct = gst_nal_bs_read (bs, 4);
+ h->sei_ct_type = 0;
+
+ if (h->sei_pic_struct > SEI_PIC_STRUCT_FRAME_TRIPLING)
+ return FALSE;
+
+ num_clock_ts = sei_num_clock_ts_table[h->sei_pic_struct];
+
+ for (i = 0; i < num_clock_ts; i++) {
+ if (gst_nal_bs_read (bs, 1)) { /* clock_timestamp_flag */
+ guint full_timestamp_flag;
+ h->sei_ct_type |= 1 << gst_nal_bs_read (bs, 2);
+ gst_nal_bs_read (bs, 1); /* nuit_field_based_flag */
+ gst_nal_bs_read (bs, 5); /* counting_type */
+ full_timestamp_flag = gst_nal_bs_read (bs, 1);
+ gst_nal_bs_read (bs, 1); /* discontinuity_flag */
+ gst_nal_bs_read (bs, 1); /* cnt_dropped_flag */
+ gst_nal_bs_read (bs, 8); /* n_frames */
+ if (full_timestamp_flag) {
+ gst_nal_bs_read (bs, 6); /* seconds_value 0..59 */
+ gst_nal_bs_read (bs, 6); /* minutes_value 0..59 */
+ gst_nal_bs_read (bs, 5); /* hours_value 0..23 */
+ } else {
+ if (gst_nal_bs_read (bs, 1)) { /* seconds_flag */
+ gst_nal_bs_read (bs, 6); /* seconds_value range 0..59 */
+ if (gst_nal_bs_read (bs, 1)) { /* minutes_flag */
+ gst_nal_bs_read (bs, 6); /* minutes_value 0..59 */
+ if (gst_nal_bs_read (bs, 1)) /* hours_flag */
+ gst_nal_bs_read (bs, 5); /* hours_value 0..23 */
+ }
+ }
+ }
+ if (sps->time_offset_length_minus1 >= 0)
+ gst_nal_bs_read (bs, sps->time_offset_length_minus1 + 1); /* time_offset */
+ }
+ }
+
+ GST_DEBUG_OBJECT (h, "ct_type:%X pic_struct:%d\n", h->sei_ct_type,
+ h->sei_pic_struct);
+ }
+ return 0;
+}
+
GST_BOILERPLATE (GstH264Parse, gst_h264_parse, GstElement, GST_TYPE_ELEMENT);