static void probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt) { if(st->codec->codec_id == CODEC_ID_PROBE){ AVProbeData *pd = &st->probe_data; av_log(s, AV_LOG_DEBUG, "probing stream %d\n", st->index); --st->probe_packets; pd->buf = av_realloc(pd->buf, pd->buf_size+pkt->size+AVPROBE_PADDING_SIZE); memcpy(pd->buf+pd->buf_size, pkt->data, pkt->size); pd->buf_size += pkt->size; memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE); if(av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)){ //FIXME we do not reduce score to 0 for the case of running out of buffer space in bytes set_codec_from_probe_data(s, st, pd, st->probe_packets > 0 ? AVPROBE_SCORE_MAX/4 : 0); if(st->codec->codec_id != CODEC_ID_PROBE){ pd->buf_size=0; av_freep(&pd->buf); av_log(s, AV_LOG_DEBUG, "probed stream %d\n", st->index); } } } }