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#include "libavutil/dovi_meta.h" |
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#include "libavcodec/put_bits.h" |
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#include "avformat.h" |
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#include "dovi_isom.h" |
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int ff_isom_parse_dvcc_dvvc(void *logctx, AVStream *st, |
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const uint8_t *buf_ptr, uint64_t size) |
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{ |
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uint32_t buf; |
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AVDOVIDecoderConfigurationRecord *dovi; |
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size_t dovi_size; |
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int ret; |
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if (size > (1 << 30) || size < 4) |
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return AVERROR_INVALIDDATA; |
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dovi = av_dovi_alloc(&dovi_size); |
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if (!dovi) |
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return AVERROR(ENOMEM); |
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dovi->dv_version_major = *buf_ptr++; |
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dovi->dv_version_minor = *buf_ptr++; |
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buf = *buf_ptr++ << 8; |
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buf |= *buf_ptr++; |
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dovi->dv_profile = (buf >> 9) & 0x7f; |
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dovi->dv_level = (buf >> 3) & 0x3f; |
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dovi->rpu_present_flag = (buf >> 2) & 0x01; |
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dovi->el_present_flag = (buf >> 1) & 0x01; |
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dovi->bl_present_flag = buf & 0x01; |
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if (size >= 5) { |
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dovi->dv_bl_signal_compatibility_id = ((*buf_ptr++) >> 4) & 0x0f; |
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} else { |
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dovi->dv_bl_signal_compatibility_id = 0; |
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} |
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ret = av_stream_add_side_data(st, AV_PKT_DATA_DOVI_CONF, |
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(uint8_t *)dovi, dovi_size); |
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if (ret < 0) { |
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av_free(dovi); |
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return ret; |
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} |
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av_log(logctx, AV_LOG_TRACE, "DOVI in dvcC/dvvC/dvwC box, version: %d.%d, profile: %d, level: %d, " |
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"rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n", |
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dovi->dv_version_major, dovi->dv_version_minor, |
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dovi->dv_profile, dovi->dv_level, |
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dovi->rpu_present_flag, |
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dovi->el_present_flag, |
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dovi->bl_present_flag, |
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dovi->dv_bl_signal_compatibility_id); |
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return 0; |
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} |
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void ff_isom_put_dvcc_dvvc(void *logctx, uint8_t out[ISOM_DVCC_DVVC_SIZE], |
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const AVDOVIDecoderConfigurationRecord *dovi) |
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{ |
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PutBitContext pb; |
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init_put_bits(&pb, out, ISOM_DVCC_DVVC_SIZE); |
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put_bits(&pb, 8, dovi->dv_version_major); |
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put_bits(&pb, 8, dovi->dv_version_minor); |
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put_bits(&pb, 7, dovi->dv_profile & 0x7f); |
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put_bits(&pb, 6, dovi->dv_level & 0x3f); |
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put_bits(&pb, 1, !!dovi->rpu_present_flag); |
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put_bits(&pb, 1, !!dovi->el_present_flag); |
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put_bits(&pb, 1, !!dovi->bl_present_flag); |
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put_bits(&pb, 4, dovi->dv_bl_signal_compatibility_id & 0x0f); |
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put_bits(&pb, 28, 0); |
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put_bits32(&pb, 0); |
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put_bits32(&pb, 0); |
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put_bits32(&pb, 0); |
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put_bits32(&pb, 0); |
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flush_put_bits(&pb); |
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av_log(logctx, AV_LOG_DEBUG, |
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"DOVI in %s box, version: %d.%d, profile: %d, level: %d, " |
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"rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n", |
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dovi->dv_profile > 10 ? "dvwC" : (dovi->dv_profile > 7 ? "dvvC" : "dvcC"), |
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dovi->dv_version_major, dovi->dv_version_minor, |
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dovi->dv_profile, dovi->dv_level, |
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dovi->rpu_present_flag, |
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dovi->el_present_flag, |
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dovi->bl_present_flag, |
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dovi->dv_bl_signal_compatibility_id); |
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} |
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