static int mov_read_wave(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { AVStream *st = c->fc->streams[c->fc->nb_streams-1]; if((uint64_t)atom.size > (1<<30)) return -1; if (st->codec->codec_id == CODEC_ID_QDM2) { // pass all frma atom to codec, needed at least for QDM2 av_free(st->codec->extradata); st->codec->extradata_size = atom.size; st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); if (st->codec->extradata) { get_buffer(pb, st->codec->extradata, atom.size); } else url_fskip(pb, atom.size); } else if (atom.size > 8) { /* to read frma, esds atoms */ mov_read_default(c, pb, atom); } else url_fskip(pb, atom.size); return 0; }