avcodec/libx265: add support for writing out CLL and MDCV
The newer of these two are the separate integers for content light level, introduced in 3952bf3e98c76c31594529a3fe34e056d3e3e2ea , with X265_BUILD 75. As we already require X265_BUILD of at least 89, no further conditions are required.
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@ -28,9 +28,11 @@
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#include <float.h>
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#include "libavutil/avassert.h"
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#include "libavutil/bprint.h"
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#include "libavutil/buffer.h"
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#include "libavutil/internal.h"
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#include "libavutil/common.h"
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#include "libavutil/mastering_display_metadata.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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@ -176,6 +178,86 @@ static av_cold int libx265_param_parse_int(AVCodecContext *avctx,
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return 0;
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}
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static int handle_mdcv(const AVClass **avcl, const x265_api *api,
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x265_param *params,
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const AVMasteringDisplayMetadata *mdcv)
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{
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int ret = AVERROR_BUG;
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AVBPrint buf;
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av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
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// G(%hu,%hu)B(%hu,%hu)R(%hu,%hu)WP(%hu,%hu)L(%u,%u)
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av_bprintf(
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&buf,
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"G(%"PRId64",%"PRId64")B(%"PRId64",%"PRId64")R(%"PRId64",%"PRId64")"
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"WP(%"PRId64",%"PRId64")L(%"PRId64",%"PRId64")",
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av_rescale_q(1, mdcv->display_primaries[1][0], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->display_primaries[1][1], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->display_primaries[2][0], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->display_primaries[2][1], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->display_primaries[0][0], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->display_primaries[0][1], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->white_point[0], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->white_point[1], (AVRational){ 1, 50000 }),
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av_rescale_q(1, mdcv->max_luminance, (AVRational){ 1, 10000 }),
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av_rescale_q(1, mdcv->min_luminance, (AVRational){ 1, 10000 }));
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if (!av_bprint_is_complete(&buf)) {
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av_log(avcl, AV_LOG_ERROR,
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"MDCV string too long for its available space!\n");
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ret = AVERROR(ENOMEM);
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goto end;
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}
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if (api->param_parse(params, "master-display", buf.str) ==
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X265_PARAM_BAD_VALUE) {
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av_log(avcl, AV_LOG_ERROR,
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"Invalid value \"%s\" for param \"master-display\".\n",
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buf.str);
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ret = AVERROR(EINVAL);
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goto end;
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}
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ret = 0;
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end:
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av_bprint_finalize(&buf, NULL);
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return ret;
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}
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static int handle_side_data(AVCodecContext *avctx, const x265_api *api,
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x265_param *params)
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{
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const AVFrameSideData *cll_sd =
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av_frame_side_data_get(
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(const AVFrameSideData **)avctx->decoded_side_data,
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avctx->nb_decoded_side_data, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
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const AVFrameSideData *mdcv_sd =
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av_frame_side_data_get(
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(const AVFrameSideData **)avctx->decoded_side_data,
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avctx->nb_decoded_side_data,
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AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
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if (cll_sd) {
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const AVContentLightMetadata *cll =
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(AVContentLightMetadata *)cll_sd->data;
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params->maxCLL = cll->MaxCLL;
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params->maxFALL = cll->MaxFALL;
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}
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if (mdcv_sd) {
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int ret = handle_mdcv(
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&avctx->av_class, api, params,
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(AVMasteringDisplayMetadata *)mdcv_sd->data);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static av_cold int libx265_encode_init(AVCodecContext *avctx)
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{
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libx265Context *ctx = avctx->priv_data;
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@ -336,6 +418,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
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return AVERROR_BUG;
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}
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ret = handle_side_data(avctx, ctx->api, ctx->params);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed handling side data! (%s)\n",
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av_err2str(ret));
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return ret;
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}
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if (ctx->crf >= 0) {
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char crf[6];
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@ -12,5 +12,10 @@ FATE_ENC_EXTERNAL-$(call ENCDEC, LIBX264 HEVC, MOV, LIBX264_HDR10 HEVC_DEMUXER H
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fate-libx264-hdr10: CMD = enc_external $(TARGET_SAMPLES)/hevc/hdr10_plus_h265_sample.hevc \
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mp4 "-c:v libx264" "-show_frames -show_entries frame=side_data_list -of flat"
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# test for x265 MDCV and CLL passthrough during encoding
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FATE_ENC_EXTERNAL-$(call ENCDEC, LIBX265 HEVC, MOV, HEVC_DEMUXER) += fate-libx265-hdr10
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fate-libx265-hdr10: CMD = enc_external $(TARGET_SAMPLES)/hevc/hdr10_plus_h265_sample.hevc \
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mp4 "-c:v libx265" "-show_frames -show_entries frame=side_data_list -of flat"
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FATE_SAMPLES_FFMPEG_FFPROBE += $(FATE_ENC_EXTERNAL-yes)
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fate-enc-external: $(FATE_ENC_EXTERNAL-yes)
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16
tests/ref/fate/libx265-hdr10
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16
tests/ref/fate/libx265-hdr10
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@ -0,0 +1,16 @@
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frames.frame.0.side_data_list.side_data.0.side_data_type="H.26[45] User Data Unregistered SEI message"
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frames.frame.0.side_data_list.side_data.1.side_data_type="H.26[45] User Data Unregistered SEI message"
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frames.frame.0.side_data_list.side_data.2.side_data_type="Mastering display metadata"
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frames.frame.0.side_data_list.side_data.2.red_x="13250/50000"
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frames.frame.0.side_data_list.side_data.2.red_y="34500/50000"
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frames.frame.0.side_data_list.side_data.2.green_x="7500/50000"
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frames.frame.0.side_data_list.side_data.2.green_y="3000/50000"
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frames.frame.0.side_data_list.side_data.2.blue_x="34000/50000"
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frames.frame.0.side_data_list.side_data.2.blue_y="16000/50000"
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frames.frame.0.side_data_list.side_data.2.white_point_x="15635/50000"
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frames.frame.0.side_data_list.side_data.2.white_point_y="16450/50000"
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frames.frame.0.side_data_list.side_data.2.min_luminance="50/10000"
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frames.frame.0.side_data_list.side_data.2.max_luminance="10000000/10000"
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frames.frame.0.side_data_list.side_data.3.side_data_type="Content light level metadata"
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frames.frame.0.side_data_list.side_data.3.max_content=1000
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frames.frame.0.side_data_list.side_data.3.max_average=200
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