+static int mov_read_dvcc_dvvc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ uint32_t buf;
+ AVDOVIDecoderConfigurationRecord *dovi;
+ size_t dovi_size;
+ int ret;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams-1];
+
+ if ((uint64_t)atom.size > (1<<30) || atom.size < 4)
+ return AVERROR_INVALIDDATA;
+
+ dovi = av_dovi_alloc(&dovi_size);
+ if (!dovi)
+ return AVERROR(ENOMEM);
+
+ dovi->dv_version_major = avio_r8(pb);
+ dovi->dv_version_minor = avio_r8(pb);
+
+ buf = avio_rb16(pb);
+ dovi->dv_profile = (buf >> 9) & 0x7f; // 7 bits
+ dovi->dv_level = (buf >> 3) & 0x3f; // 6 bits
+ dovi->rpu_present_flag = (buf >> 2) & 0x01; // 1 bit
+ dovi->el_present_flag = (buf >> 1) & 0x01; // 1 bit
+ dovi->bl_present_flag = buf & 0x01; // 1 bit
+ if (atom.size >= 24) { // 4 + 4 + 4 * 4
+ buf = avio_r8(pb);
+ dovi->dv_bl_signal_compatibility_id = (buf >> 4) & 0x0f; // 4 bits
+ } else {
+ // 0 stands for None
+ // Dolby Vision V1.2.93 profiles and levels
+ dovi->dv_bl_signal_compatibility_id = 0;
+ }
+
+ ret = av_stream_add_side_data(st, AV_PKT_DATA_DOVI_CONF,
+ (uint8_t *)dovi, dovi_size);
+ if (ret < 0) {
+ av_free(dovi);
+ return ret;
+ }
+
+ av_log(c, AV_LOG_TRACE, "DOVI in dvcC/dvvC box, version: %d.%d, profile: %d, level: %d, "
+ "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
+ dovi->dv_version_major, dovi->dv_version_minor,
+ dovi->dv_profile, dovi->dv_level,
+ dovi->rpu_present_flag,
+ dovi->el_present_flag,
+ dovi->bl_present_flag,
+ dovi->dv_bl_signal_compatibility_id
+ );
+
+ return 0;
+}
+