void filter_packet_callback(Mux *mux, int stream_index, AVBSFContext *bsfctx, const AVPacket *pkt, AVRational timebase)
{
+ if (pkt->size <= 2 || pkt->data[0] != 0xff || (pkt->data[1] & 0xf0) != 0xf0) {
+ // Not ADTS data, so just pass it through.
+ mux->add_packet(*pkt, pkt->pts, pkt->dts == AV_NOPTS_VALUE ? pkt->pts : pkt->dts, timebase, stream_index);
+ return;
+ }
+
AVPacket *in_pkt = av_packet_clone(pkt);
unique_ptr<AVPacket, decltype(av_packet_unref) *> in_pkt_cleanup(in_pkt, av_packet_unref);
int err = av_bsf_send_packet(bsfctx, in_pkt);