+ if (wav->smv_data_ofs > 0) {
+ int64_t audio_dts, video_dts;
+smv_retry:
+ audio_dts = s->streams[0]->cur_dts;
+ video_dts = s->streams[1]->cur_dts;
+ if (audio_dts != AV_NOPTS_VALUE && video_dts != AV_NOPTS_VALUE) {
+ audio_dts = av_rescale_q(audio_dts, s->streams[0]->time_base, AV_TIME_BASE_Q);
+ video_dts = av_rescale_q(video_dts, s->streams[1]->time_base, AV_TIME_BASE_Q);
+ wav->smv_last_stream = video_dts >= audio_dts;
+ }
+ wav->smv_last_stream = !wav->smv_last_stream;
+ wav->smv_last_stream |= wav->audio_eof;
+ wav->smv_last_stream &= !wav->smv_eof;
+ if (wav->smv_last_stream) {
+ uint64_t old_pos = avio_tell(s->pb);
+ uint64_t new_pos = wav->smv_data_ofs +
+ wav->smv_block * wav->smv_block_size;
+ if (avio_seek(s->pb, new_pos, SEEK_SET) < 0) {
+ ret = AVERROR_EOF;
+ goto smv_out;
+ }
+ size = avio_rl24(s->pb);
+ ret = av_get_packet(s->pb, pkt, size);
+ if (ret < 0)
+ goto smv_out;
+ pkt->pos -= 3;
+ pkt->pts = wav->smv_block * wav->smv_frames_per_jpeg;
+ wav->smv_block++;
+ pkt->stream_index = 1;
+smv_out:
+ avio_seek(s->pb, old_pos, SEEK_SET);
+ if (ret == AVERROR_EOF) {
+ wav->smv_eof = 1;
+ goto smv_retry;
+ }
+ return ret;
+ }
+ }
+