+ if (h->sei.picture_timing.timecode_cnt > 0) {
+ uint32_t tc = 0;
+ uint32_t *tc_sd;
+
+ AVFrameSideData *tcside = av_frame_new_side_data(cur->f,
+ AV_FRAME_DATA_S12M_TIMECODE,
+ sizeof(uint32_t)*4);
+ if (!tcside)
+ return AVERROR(ENOMEM);
+
+ tc_sd = (uint32_t*)tcside->data;
+ tc_sd[0] = h->sei.picture_timing.timecode_cnt;
+
+ for (int i = 0; i < tc_sd[0]; i++) {
+ uint32_t frames;
+
+ /* For SMPTE 12-M timecodes, frame count is a special case if > 30 FPS.
+ See SMPTE ST 12-1:2014 Sec 12.1 for more info. */
+ if (av_cmp_q(h->avctx->framerate, (AVRational) {30, 1}) == 1) {
+ frames = h->sei.picture_timing.timecode[i].frame / 2;
+ if (h->sei.picture_timing.timecode[i].frame % 2 == 1) {
+ if (av_cmp_q(h->avctx->framerate, (AVRational) {50, 1}) == 0)
+ tc |= (1 << 7);
+ else
+ tc |= (1 << 23);
+ }
+ } else {
+ frames = h->sei.picture_timing.timecode[i].frame;
+ }
+
+ tc |= h->sei.picture_timing.timecode[i].dropframe << 30;
+ tc |= (frames / 10) << 28;
+ tc |= (frames % 10) << 24;
+ tc |= (h->sei.picture_timing.timecode[i].seconds / 10) << 20;
+ tc |= (h->sei.picture_timing.timecode[i].seconds % 10) << 16;
+ tc |= (h->sei.picture_timing.timecode[i].minutes / 10) << 12;
+ tc |= (h->sei.picture_timing.timecode[i].minutes % 10) << 8;
+ tc |= (h->sei.picture_timing.timecode[i].hours / 10) << 4;
+ tc |= (h->sei.picture_timing.timecode[i].hours % 10);
+
+ tc_sd[i + 1] = tc;
+ }
+ h->sei.picture_timing.timecode_cnt = 0;
+ }
+