+
+ if (x4->a53_cc) {
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC);
+ if (side_data) {
+ x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
+ if (x4->pic.extra_sei.payloads == NULL) {
+ av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
+ goto skip_a53cc;
+ }
+ x4->pic.extra_sei.sei_free = av_free;
+
+ x4->pic.extra_sei.payloads[0].payload_size = side_data->size + 11;
+ x4->pic.extra_sei.payloads[0].payload = av_mallocz(x4->pic.extra_sei.payloads[0].payload_size);
+ if (x4->pic.extra_sei.payloads[0].payload == NULL) {
+ av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
+ av_freep(&x4->pic.extra_sei.payloads);
+ goto skip_a53cc;
+ }
+ x4->pic.extra_sei.num_payloads = 1;
+ x4->pic.extra_sei.payloads[0].payload_type = 4;
+ memcpy(x4->pic.extra_sei.payloads[0].payload + 10, side_data->data, side_data->size);
+ x4->pic.extra_sei.payloads[0].payload[0] = 181;
+ x4->pic.extra_sei.payloads[0].payload[1] = 0;
+ x4->pic.extra_sei.payloads[0].payload[2] = 49;
+
+ /**
+ * 'GA94' is standard in North America for ATSC, but hard coding
+ * this style may not be the right thing to do -- other formats
+ * do exist. This information is not available in the side_data
+ * so we are going with this right now.
+ */
+ AV_WL32(x4->pic.extra_sei.payloads[0].payload + 3,
+ MKTAG('G', 'A', '9', '4'));
+ x4->pic.extra_sei.payloads[0].payload[7] = 3;
+ x4->pic.extra_sei.payloads[0].payload[8] =
+ ((side_data->size/3) & 0x1f) | 0x40;
+ x4->pic.extra_sei.payloads[0].payload[9] = 0;
+ x4->pic.extra_sei.payloads[0].payload[side_data->size+10] = 255;
+ }
+ }