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avfilter/vf_scale: add colorspace and transfer property options
In the long run, it would be ideal if we could add these to the avfilter negotiation as well, but for now, this is a good start.
This commit is contained in:
Niklas Haas
parent
45f0a7ad33
commit
b7a2333357
@ -21189,6 +21189,62 @@ is used by default. Possible values:
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@item bottom
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@end table
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@item in_primaries
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@item out_primaries
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Set in/output RGB primaries.
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This allows the autodetected value to be overridden as well as allows forcing
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a specific value used for the output and encoder. Possible values:
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@table @samp
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@item auto
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Choose automatically. This is the default.
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@item bt709
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@item bt470m
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@item bt470bg
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@item smpte170m
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@item smpte240m
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@item film
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@item bt2020
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@item smpte428
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@item smpte431
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@item smpte432
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@item jedec-p22
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@item ebu3213
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@end table
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@item in_transfer
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@item out_transfer
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Set in/output transfer response curve (TRC).
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This allows the autodetected value to be overridden as well as allows forcing
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a specific value used for the output and encoder. Possible values:
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@table @samp
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@item auto
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Choose automatically. This is the default.
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@item bt709
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@item bt470m
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@item gamma22
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@item bt470bg
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@item gamma28
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@item smpte170m
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@item smpte240m
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@item linear
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@item iec61966-2-1
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@item srgb
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@item iec61966-2-4
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@item xvycc
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@item bt1361e
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@item bt2020-10
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@item bt2020-12
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@item smpte2084
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@item smpte428
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@item arib-std-b67
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@end table
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@item force_original_aspect_ratio
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Enable decreasing or increasing output video width or height if necessary to
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keep the original aspect ratio. Possible values:
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@ -160,7 +160,10 @@ typedef struct ScaleContext {
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int in_color_matrix;
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int out_color_matrix;
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int in_primaries;
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int out_primaries;
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int in_transfer;
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int out_transfer;
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int in_range;
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int out_range;
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@ -387,6 +390,30 @@ static av_cold int init(AVFilterContext *ctx)
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if (ret < 0)
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return ret;
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if (scale->in_primaries != -1 && !sws_test_primaries(scale->in_primaries, 0)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported input primaries '%s'\n",
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av_color_primaries_name(scale->in_primaries));
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return AVERROR(EINVAL);
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}
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if (scale->out_primaries != -1 && !sws_test_primaries(scale->out_primaries, 1)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported output primaries '%s'\n",
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av_color_primaries_name(scale->out_primaries));
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return AVERROR(EINVAL);
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}
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if (scale->in_transfer != -1 && !sws_test_transfer(scale->in_transfer, 0)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported input transfer '%s'\n",
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av_color_transfer_name(scale->in_transfer));
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return AVERROR(EINVAL);
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}
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if (scale->out_transfer != -1 && !sws_test_transfer(scale->out_transfer, 1)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported output transfer '%s'\n",
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av_color_transfer_name(scale->out_transfer));
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return AVERROR(EINVAL);
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}
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if (scale->in_color_matrix != -1 && !sws_test_colorspace(scale->in_color_matrix, 0)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported input color matrix '%s'\n",
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av_color_space_name(scale->in_color_matrix));
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@ -815,6 +842,10 @@ scale:
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if (scale->in_color_matrix != -1)
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in->colorspace = scale->in_color_matrix;
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if (scale->in_primaries != -1)
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in->color_primaries = scale->in_primaries;
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if (scale->in_transfer != -1)
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in->color_trc = scale->in_transfer;
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if (scale->in_range != AVCOL_RANGE_UNSPECIFIED)
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in->color_range = scale->in_range;
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in->chroma_location = scale->in_chroma_loc;
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@ -832,6 +863,10 @@ scale:
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out->colorspace = outlink->colorspace;
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if (scale->out_chroma_loc != AVCHROMA_LOC_UNSPECIFIED)
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out->chroma_location = scale->out_chroma_loc;
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if (scale->out_primaries != -1)
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out->color_primaries = scale->out_primaries;
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if (scale->out_transfer != -1)
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out->color_trc = scale->out_transfer;
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av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
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(int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
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@ -1084,6 +1119,42 @@ static const AVOption scale_options[] = {
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{"top", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_TOP}, 0, 0, FLAGS, .unit = "chroma_loc"},
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{"bottomleft", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOMLEFT}, 0, 0, FLAGS, .unit = "chroma_loc"},
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{"bottom", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOM}, 0, 0, FLAGS, .unit = "chroma_loc"},
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{ "in_primaries", "set input primaries", OFFSET(in_primaries), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_PRI_NB-1, .flags = FLAGS, .unit = "primaries" },
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{ "out_primaries", "set output primaries", OFFSET(out_primaries), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_PRI_NB-1, .flags = FLAGS, .unit = "primaries"},
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{"auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, FLAGS, .unit = "primaries"},
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{"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT709}, 0, 0, FLAGS, .unit = "primaries"},
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{"bt470m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470M}, 0, 0, FLAGS, .unit = "primaries"},
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{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470BG}, 0, 0, FLAGS, .unit = "primaries"},
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{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE170M}, 0, 0, FLAGS, .unit = "primaries"},
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{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE240M}, 0, 0, FLAGS, .unit = "primaries"},
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{"film", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_FILM}, 0, 0, FLAGS, .unit = "primaries"},
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{"bt2020", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT2020}, 0, 0, FLAGS, .unit = "primaries"},
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{"smpte428", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE428}, 0, 0, FLAGS, .unit = "primaries"},
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{"smpte431", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431}, 0, 0, FLAGS, .unit = "primaries"},
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{"smpte432", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432}, 0, 0, FLAGS, .unit = "primaries"},
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{"jedec-p22", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_JEDEC_P22}, 0, 0, FLAGS, .unit = "primaries"},
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{"ebu3213", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_EBU3213}, 0, 0, FLAGS, .unit = "primaries"},
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{ "in_transfer", "set output color transfer", OFFSET(in_transfer), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_TRC_NB-1, .flags = FLAGS, .unit = "transfer"},
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{"out_transfer", "set output color transfer", OFFSET(out_transfer), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_TRC_NB-1, .flags = FLAGS, .unit = "transfer"},
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{"auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt470m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA22}, 0, 0, FLAGS, .unit = "transfer"},
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{"gamma22", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA22}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA28}, 0, 0, FLAGS, .unit = "transfer"},
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{"gamma28", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA28}, 0, 0, FLAGS, .unit = "transfer"},
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{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE170M}, 0, 0, FLAGS, .unit = "transfer"},
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{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE240M}, 0, 0, FLAGS, .unit = "transfer"},
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{"linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LINEAR}, 0, 0, FLAGS, .unit = "transfer"},
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{"iec61966-2-1", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_1}, 0, 0, FLAGS, .unit = "transfer"},
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{"srgb", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_1}, 0, 0, FLAGS, .unit = "transfer"},
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{"iec61966-2-4", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_4}, 0, 0, FLAGS, .unit = "transfer"},
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{"xvycc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_4}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt1361e", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT1361_ECG}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt2020-10", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_10}, 0, 0, FLAGS, .unit = "transfer"},
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{"bt2020-12", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_12}, 0, 0, FLAGS, .unit = "transfer"},
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{"smpte2084", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084}, 0, 0, FLAGS, .unit = "transfer"},
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{"smpte428", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE428}, 0, 0, FLAGS, .unit = "transfer"},
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{"arib-std-b67", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_ARIB_STD_B67}, 0, 0, FLAGS, .unit = "transfer"},
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{ "in_v_chr_pos", "input vertical chroma position in luma grid/256" , OFFSET(in_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
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{ "in_h_chr_pos", "input horizontal chroma position in luma grid/256", OFFSET(in_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
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{ "out_v_chr_pos", "output vertical chroma position in luma grid/256" , OFFSET(out_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
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