[FFmpeg-devel] [PATCH] Update HDR10+ metadata structure.
Mohammad Izadi
moh.izadi at gmail.com
Tue Feb 4 04:01:51 EET 2020
James, I am making another CL to comply with API.
I have a question about using GetBitContext and PutBitContext. Is there any
alternative to use in libavutil?
--
Best,
Mohammad
On Mon, Jan 27, 2020 at 11:50 AM James Almer <jamrial at gmail.com> wrote:
> On 1/27/2020 4:08 PM, Mohammad Izadi wrote:
> > From: Mohammad Izadi <izadi at google.com>
> >
> > Trying to read HDR10+ metadata from HEVC/SEI and pass it to packet side
> data in the follow-up CLs.
> > ---
> > libavutil/hdr_dynamic_metadata.c | 386 +++++++++++++++++++++++++++++++
> > libavutil/hdr_dynamic_metadata.h | 51 +++-
> > libavutil/version.h | 2 +-
> > 3 files changed, 431 insertions(+), 8 deletions(-)
> >
> > diff --git a/libavutil/hdr_dynamic_metadata.c
> b/libavutil/hdr_dynamic_metadata.c
> > index 0fa1ee82de..e321a22af8 100644
> > --- a/libavutil/hdr_dynamic_metadata.c
> > +++ b/libavutil/hdr_dynamic_metadata.c
> > @@ -21,6 +21,19 @@
> > #include "hdr_dynamic_metadata.h"
> > #include "mem.h"
> >
> > +static const uint8_t usa_country_code = 0xB5;
> > +static const uint16_t smpte_provider_code = 0x003C;
> > +static const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
> > +static const uint16_t smpte2094_40_application_identifier = 0x04;
> > +
> > +static const int64_t luminance_den = 1;
> > +static const int32_t peak_luminance_den = 15;
> > +static const int64_t rgb_den = 100000;
> > +static const int32_t fraction_pixel_den = 1000;
> > +static const int32_t knee_point_den = 4095;
> > +static const int32_t bezier_anchor_den = 1023;
> > +static const int32_t saturation_weight_den = 8;
> > +
> > AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size)
> > {
> > AVDynamicHDRPlus *hdr_plus = av_mallocz(sizeof(AVDynamicHDRPlus));
> > @@ -33,6 +46,48 @@ AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t
> *size)
> > return hdr_plus;
> > }
> >
> > +AVDynamicHDRPlus *av_dynamic_hdr_plus(GetBitContext *gb, size_t *size)
> > +{
> > + uint8_t country_code;
> > + uint16_t provider_code;
> > + uint16_t provider_oriented_code;
> > + uint8_t application_identifier;
> > + uint8_t application_version;
> > + AVDynamicHDRPlus *hdr_plus;
> > + int err;
> > +
> > + if (get_bits_left(gb) < 7)
> > + return NULL;
> > +
> > + country_code = get_bits(gb, 8);
> > + provider_code = get_bits(gb, 16);
> > +
> > + if (country_code != usa_country_code ||
> > + provider_code != smpte_provider_code)
> > + return NULL;
> > +
> > + // A/341 Amendment – 2094-40
> > + provider_oriented_code = get_bits(gb, 16);
> > + application_identifier = get_bits(gb, 8);
> > + application_version = get_bits(gb, 8);
> > + if (provider_oriented_code != smpte2094_40_provider_oriented_code ||
> > + application_identifier != smpte2094_40_application_identifier)
> > + return NULL;
> > +
> > + hdr_plus = av_dynamic_hdr_plus_alloc(size);
> > + if (!hdr_plus)
> > + return NULL;
> > +
> > + hdr_plus->application_version = application_version;
> > + err = decode_itu_t_t35_to_dynamic_hdr_plus(gb, hdr_plus);
> > + if (err < 0) {
> > + av_freep(&hdr_plus);
> > + return NULL;
> > + }
> > +
> > + return hdr_plus;
> > +}
> > +
> > AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame)
> > {
> > AVFrameSideData *side_data = av_frame_new_side_data(frame,
> > @@ -43,5 +98,336 @@ AVDynamicHDRPlus
> *av_dynamic_hdr_plus_create_side_data(AVFrame *frame)
> >
> > memset(side_data->data, 0, sizeof(AVDynamicHDRPlus));
> >
> > +
> > return (AVDynamicHDRPlus *)side_data->data;
> > }
> > +
> > +int decode_itu_t_t35_to_dynamic_hdr_plus(GetBitContext *gb,
> AVDynamicHDRPlus *s)
> > +{
> > + int w, i, j;
> > +
> > + if (get_bits_left(gb) < 2)
> > + return AVERROR_INVALIDDATA;
> > + s->num_windows = get_bits(gb, 2);
> > +
> > + if (s->num_windows < 1 || s->num_windows > 3) {
> > + return AVERROR_INVALIDDATA;
> > + }
> > +
> > + if (get_bits_left(gb) < ((19 * 8 + 1) * (s->num_windows - 1)))
> > + return AVERROR_INVALIDDATA;
> > + for (w = 1; w < s->num_windows; w++) {
> > + s->params[w].window_upper_left_corner_x.num = get_bits(gb, 16);
> > + s->params[w].window_upper_left_corner_y.num = get_bits(gb, 16);
> > + s->params[w].window_lower_right_corner_x.num = get_bits(gb, 16);
> > + s->params[w].window_lower_right_corner_y.num = get_bits(gb, 16);
> > + // The corners are set to absolute coordinates here. They
> should be
> > + // converted to the relative coordinates (in [0, 1]) in the
> decoder.
> > + s->params[w].window_upper_left_corner_x.den = 1;
> > + s->params[w].window_upper_left_corner_y.den = 1;
> > + s->params[w].window_lower_right_corner_x.den = 1;
> > + s->params[w].window_lower_right_corner_y.den = 1;
> > +
> > + s->params[w].center_of_ellipse_x = get_bits(gb, 16);
> > + s->params[w].center_of_ellipse_y = get_bits(gb, 16);
> > + s->params[w].rotation_angle = get_bits(gb, 8);
> > + s->params[w].semimajor_axis_internal_ellipse = get_bits(gb, 16);
> > + s->params[w].semimajor_axis_external_ellipse = get_bits(gb, 16);
> > + s->params[w].semiminor_axis_external_ellipse = get_bits(gb, 16);
> > + s->params[w].overlap_process_option = get_bits1(gb);
> > + }
> > +
> > + if (get_bits_left(gb) < 28)
> > + return AVERROR(EINVAL);
> > + s->targeted_system_display_maximum_luminance.num = get_bits(gb, 27);
> > + s->targeted_system_display_maximum_luminance.den = luminance_den;
> > + s->targeted_system_display_actual_peak_luminance_flag =
> get_bits1(gb);
> > +
> > + if (s->targeted_system_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + if (get_bits_left(gb) < 10)
> > + return AVERROR(EINVAL);
> > + rows = get_bits(gb, 5);
> > + cols = get_bits(gb, 5);
> > + if (((rows < 2) || (rows > 25)) || ((cols < 2) || (cols > 25)))
> {
> > + return AVERROR_INVALIDDATA;
> > + }
> > + s->num_rows_targeted_system_display_actual_peak_luminance =
> rows;
> > + s->num_cols_targeted_system_display_actual_peak_luminance =
> cols;
> > +
> > + if (get_bits_left(gb) < (rows * cols * 4))
> > + return AVERROR(EINVAL);
> > +
> > + for (i = 0; i < rows; i++) {
> > + for (j = 0; j < cols; j++) {
> > +
> s->targeted_system_display_actual_peak_luminance[i][j].num = get_bits(gb,
> 4);
> > +
> s->targeted_system_display_actual_peak_luminance[i][j].den =
> peak_luminance_den;
> > + }
> > + }
> > + }
> > + for (w = 0; w < s->num_windows; w++) {
> > + if (get_bits_left(gb) < (3 * 17 + 17 + 4))
> > + return AVERROR(EINVAL);
> > + for (i = 0; i < 3; i++) {
> > + s->params[w].maxscl[i].num = get_bits(gb, 17);
> > + s->params[w].maxscl[i].den = rgb_den;
> > + }
> > + s->params[w].average_maxrgb.num = get_bits(gb, 17);
> > + s->params[w].average_maxrgb.den = rgb_den;
> > + s->params[w].num_distribution_maxrgb_percentiles = get_bits(gb,
> 4);
> > +
> > + if (get_bits_left(gb) <
> > + (s->params[w].num_distribution_maxrgb_percentiles * 24))
> > + return AVERROR(EINVAL);
> > + for (i = 0; i <
> s->params[w].num_distribution_maxrgb_percentiles; i++) {
> > + s->params[w].distribution_maxrgb[i].percentage =
> get_bits(gb, 7);
> > + s->params[w].distribution_maxrgb[i].percentile.num =
> get_bits(gb, 17);
> > + s->params[w].distribution_maxrgb[i].percentile.den =
> rgb_den;
> > + }
> > +
> > + if (get_bits_left(gb) < 10)
> > + return AVERROR(EINVAL);
> > + s->params[w].fraction_bright_pixels.num = get_bits(gb, 10);
> > + s->params[w].fraction_bright_pixels.den = fraction_pixel_den;
> > + }
> > + if (get_bits_left(gb) < 1)
> > + return AVERROR(EINVAL);
> > + s->mastering_display_actual_peak_luminance_flag = get_bits1(gb);
> > + if (s->mastering_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + if (get_bits_left(gb) < 10)
> > + return AVERROR(EINVAL);
> > + rows = get_bits(gb, 5);
> > + cols = get_bits(gb, 5);
> > + if (((rows < 2) || (rows > 25)) || ((cols < 2) || (cols > 25)))
> {
> > + return AVERROR_INVALIDDATA;
> > + }
> > + s->num_rows_mastering_display_actual_peak_luminance = rows;
> > + s->num_cols_mastering_display_actual_peak_luminance = cols;
> > +
> > + if (get_bits_left(gb) < (rows * cols * 4))
> > + return AVERROR(EINVAL);
> > +
> > + for (i = 0; i < rows; i++) {
> > + for (j = 0; j < cols; j++) {
> > + s->mastering_display_actual_peak_luminance[i][j].num =
> get_bits(gb, 4);
> > + s->mastering_display_actual_peak_luminance[i][j].den =
> peak_luminance_den;
> > + }
> > + }
> > + }
> > +
> > + for (w = 0; w < s->num_windows; w++) {
> > + if (get_bits_left(gb) < 1)
> > + return AVERROR(EINVAL);
> > + s->params[w].tone_mapping_flag = get_bits1(gb);
> > + if (s->params[w].tone_mapping_flag) {
> > + if (get_bits_left(gb) < 28)
> > + return AVERROR(EINVAL);
> > + s->params[w].knee_point_x.num = get_bits(gb, 12);
> > + s->params[w].knee_point_x.den = knee_point_den;
> > + s->params[w].knee_point_y.num = get_bits(gb, 12);
> > + s->params[w].knee_point_y.den = knee_point_den;
> > + s->params[w].num_bezier_curve_anchors = get_bits(gb, 4);
> > +
> > + if (get_bits_left(gb) <
> (s->params[w].num_bezier_curve_anchors * 10))
> > + return AVERROR(EINVAL);
> > + for (i = 0; i < s->params[w].num_bezier_curve_anchors; i++)
> {
> > + s->params[w].bezier_curve_anchors[i].num = get_bits(gb,
> 10);
> > + s->params[w].bezier_curve_anchors[i].den =
> bezier_anchor_den;
> > + }
> > + }
> > +
> > + if (get_bits_left(gb) < 1)
> > + return AVERROR(EINVAL);
> > + s->params[w].color_saturation_mapping_flag = get_bits1(gb);
> > + if (s->params[w].color_saturation_mapping_flag) {
> > + if (get_bits_left(gb) < 6)
> > + return AVERROR(EINVAL);
> > + s->params[w].color_saturation_weight.num = get_bits(gb, 6);
> > + s->params[w].color_saturation_weight.den =
> saturation_weight_den;
> > + }
> > + }
> > +
> > + skip_bits(gb, get_bits_left(gb));
> > +
> > + return 0;
> > +}
> > +
> > +int get_encoded_dynamic_hdr_plus_buffer_size(const AVDynamicHDRPlus *s)
> {
> > + int bit_count = 0;
> > + int w, size;
> > +
> > + if (!s)
> > + return 0;
> > +
> > + // 7 bytes for country code, provider code, and user identifier.
> > + bit_count += 56;
> > +
> > + if (s->num_windows < 1 || s->num_windows > 3)
> > + return 0;
> > + // Count bits for window params.
> > + bit_count += 2 + ((19 * 8 + 1) * (s->num_windows - 1));
> > +
> > + bit_count += 28;
> > + if (s->targeted_system_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + rows =
> s->num_rows_targeted_system_display_actual_peak_luminance;
> > + cols =
> s->num_rows_targeted_system_display_actual_peak_luminance;
> > + if (((rows < 2) || (rows > 25)) || ((cols < 2) || (cols > 25)))
> > + return 0;
> > +
> > + bit_count += (10 + rows * cols * 4);
> > + }
> > + for (w = 0; w < s->num_windows; w++) {
> > + bit_count += (3 * 17 + 17 + 4 + 10) +
> > + (s->params[w].num_distribution_maxrgb_percentiles
> * 24);
> > + }
> > + bit_count++;
> > +
> > + if (s->mastering_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + rows = s->num_rows_mastering_display_actual_peak_luminance;
> > + cols = s->num_cols_mastering_display_actual_peak_luminance;
> > + if (((rows < 2) || (rows > 25)) || ((cols < 2) || (cols > 25)))
> > + return 0;
> > +
> > + bit_count += (10 + rows * cols * 4);
> > + }
> > +
> > + for (w = 0; w < s->num_windows; w++) {
> > + bit_count++;
> > + if (s->params[w].tone_mapping_flag)
> > + bit_count += (28 + s->params[w].num_bezier_curve_anchors *
> 10);
> > +
> > + bit_count++;
> > + if (s->params[w].color_saturation_mapping_flag)
> > + bit_count += 6;
> > + }
> > + size = bit_count / 8;
> > + if (bit_count % 8 != 0)
> > + size++;
> > + return size;
> > +}
> > +
> > +int encode_dynamic_hdr_plus_to_itu_t_t35(const AVDynamicHDRPlus *s,
> PutBitContext *pb)
> > +{
> > + int w, i, j;
> > + if (!s)
> > + return AVERROR(EINVAL);
> > +
> > + if (put_bits_left(pb) < get_encoded_dynamic_hdr_plus_buffer_size(s))
> > + return AVERROR(EINVAL);
> > + put_bits(pb, 8, usa_country_code);
> > +
> > + put_bits(pb, 16, smpte_provider_code);
> > + put_bits(pb, 16, smpte2094_40_provider_oriented_code);
> > + put_bits(pb, 8, smpte2094_40_application_identifier);
> > + put_bits(pb, 8, s->application_version);
> > +
> > + put_bits(pb, 2, s->num_windows);
> > +
> > + for (w = 1; w < s->num_windows; w++) {
> > + put_bits(pb, 16, s->params[w].window_upper_left_corner_x.num /
> > + s->params[w].window_upper_left_corner_x.den);
> > + put_bits(pb, 16, s->params[w].window_upper_left_corner_y.num /
> > + s->params[w].window_upper_left_corner_y.den);
> > + put_bits(pb, 16, s->params[w].window_lower_right_corner_x.num /
> > + s->params[w].window_lower_right_corner_x.den);
> > + put_bits(pb, 16, s->params[w].window_lower_right_corner_y.num /
> > + s->params[w].window_lower_right_corner_y.den);
> > + put_bits(pb, 16, s->params[w].center_of_ellipse_x);
> > + put_bits(pb, 16, s->params[w].center_of_ellipse_y);
> > + put_bits(pb, 8, s->params[w].rotation_angle);
> > + put_bits(pb, 16, s->params[w].semimajor_axis_internal_ellipse);
> > + put_bits(pb, 16, s->params[w].semimajor_axis_external_ellipse);
> > + put_bits(pb, 16, s->params[w].semiminor_axis_external_ellipse);
> > + put_bits(pb, 1, s->params[w].overlap_process_option);
> > + }
> > + put_bits(pb, 27,
> > + s->targeted_system_display_maximum_luminance.num *
> luminance_den /
> > + s->targeted_system_display_maximum_luminance.den);
> > + put_bits(pb, 1,
> s->targeted_system_display_actual_peak_luminance_flag);
> > + if (s->targeted_system_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + rows =
> s->num_rows_targeted_system_display_actual_peak_luminance;
> > + cols =
> s->num_cols_targeted_system_display_actual_peak_luminance;
> > + put_bits(pb, 5, rows);
> > + put_bits(pb, 5, cols);
> > + for (i = 0; i < rows; i++) {
> > + for (j = 0; j < cols; j++) {
> > + put_bits(
> > + pb, 4,
> > +
> s->targeted_system_display_actual_peak_luminance[i][j].num *
> > + peak_luminance_den /
> > +
> s->targeted_system_display_actual_peak_luminance[i][j]
> > + .den);
> > + }
> > + }
> > + }
> > + for (w = 0; w < s->num_windows; w++) {
> > + for (i = 0; i < 3; i++) {
> > + put_bits(pb, 17,
> > + s->params[w].maxscl[i].num * rgb_den /
> > + s->params[w].maxscl[i].den);
> > + }
> > + put_bits(pb, 17,
> > + s->params[w].average_maxrgb.num * rgb_den /
> > + s->params[w].average_maxrgb.den);
> > + put_bits(pb, 4,
> s->params[w].num_distribution_maxrgb_percentiles);
> > +
> > + for (i = 0; i <
> s->params[w].num_distribution_maxrgb_percentiles; i++) {
> > + put_bits(pb, 7,
> s->params[w].distribution_maxrgb[i].percentage);
> > + put_bits(pb, 17,
> > + s->params[w].distribution_maxrgb[i].percentile.num
> *
> > + rgb_den /
> > +
> s->params[w].distribution_maxrgb[i].percentile.den);
> > + }
> > + put_bits(pb, 10,
> > + s->params[w].fraction_bright_pixels.num *
> fraction_pixel_den /
> > + s->params[w].fraction_bright_pixels.den);
> > + }
> > + put_bits(pb, 1, s->mastering_display_actual_peak_luminance_flag);
> > + if (s->mastering_display_actual_peak_luminance_flag) {
> > + int rows, cols;
> > + rows = s->num_rows_mastering_display_actual_peak_luminance;
> > + cols = s->num_cols_mastering_display_actual_peak_luminance;
> > + put_bits(pb, 5, rows);
> > + put_bits(pb, 5, cols);
> > + for (i = 0; i < rows; i++) {
> > + for (j = 0; j < cols; j++) {
> > + put_bits(
> > + pb, 4,
> > + s->mastering_display_actual_peak_luminance[i][j].num *
> > + peak_luminance_den /
> > +
> s->mastering_display_actual_peak_luminance[i][j].den);
> > + }
> > + }
> > + }
> > +
> > + for (w = 0; w < s->num_windows; w++) {
> > + put_bits(pb, 1, s->params[w].tone_mapping_flag);
> > + if (s->params[w].tone_mapping_flag) {
> > + put_bits(pb, 12,
> > + s->params[w].knee_point_x.num * knee_point_den /
> > + s->params[w].knee_point_x.den);
> > + put_bits(pb, 12,
> > + s->params[w].knee_point_y.num * knee_point_den /
> > + s->params[w].knee_point_y.den);
> > + put_bits(pb, 4, s->params[w].num_bezier_curve_anchors);
> > + for (i = 0; i < s->params[w].num_bezier_curve_anchors; i++) {
> > + put_bits(pb, 10,
> > + s->params[w].bezier_curve_anchors[i].num *
> > + bezier_anchor_den /
> > + s->params[w].bezier_curve_anchors[i].den);
> > + }
> > + }
> > + put_bits(pb, 1, s->params[w].color_saturation_mapping_flag);
> > + if (s->params[w].color_saturation_mapping_flag)
> > + put_bits(pb, 6,
> > + s->params[w].color_saturation_weight.num *
> > + saturation_weight_den /
> > + s->params[w].color_saturation_weight.den);
> > + }
> > + flush_put_bits(pb);
> > + return 0;
> > +}
> > diff --git a/libavutil/hdr_dynamic_metadata.h
> b/libavutil/hdr_dynamic_metadata.h
> > index 2d72de56ae..4e075f2f58 100644
> > --- a/libavutil/hdr_dynamic_metadata.h
> > +++ b/libavutil/hdr_dynamic_metadata.h
> > @@ -23,6 +23,8 @@
> >
> > #include "frame.h"
> > #include "rational.h"
> > +#include "libavcodec/get_bits.h"
> > +#include "libavcodec/put_bits.h"
> >
> > /**
> > * Option for overlapping elliptical pixel selectors in an image.
> > @@ -241,11 +243,6 @@ typedef struct AVHDRPlusColorTransformParams {
> > * the public ABI.
> > */
> > typedef struct AVDynamicHDRPlus {
> > - /**
> > - * Country code by Rec. ITU-T T.35 Annex A. The value shall be 0xB5.
> > - */
> > - uint8_t itu_t_t35_country_code;
>
> This is an API break.
>
> > -
> > /**
> > * Application version in the application defining document in
> ST-2094
> > * suite. The value shall be set to 0.
> > @@ -265,7 +262,7 @@ typedef struct AVDynamicHDRPlus {
> >
> > /**
> > * The nominal maximum display luminance of the targeted system
> display,
> > - * in units of 0.0001 candelas per square metre. The value shall be
> in
> > + * in units of 1 candelas per square metre. The value shall be in
> > * the range of 0 to 10000, inclusive.
> > */
> > AVRational targeted_system_display_maximum_luminance;
> > @@ -322,14 +319,27 @@ typedef struct AVDynamicHDRPlus {
> > AVRational mastering_display_actual_peak_luminance[25][25];
> > } AVDynamicHDRPlus;
> >
> > +/**
> > + * Allocate an AVDynamicHDRPlus structure and set its fields to
> > + * the values decoded from the user data registered ITU-T T.35.
> > + * The resulting struct can be freed using av_freep().
> > + *
> > + * @return An AVDynamicHDRPlus filled with decoded values or NULL
> > + * on failure.
> > + */
> > +AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size);
> > +
> > /**
> > * Allocate an AVDynamicHDRPlus structure and set its fields to
> > * default values. The resulting struct can be freed using av_freep().
> > + * @param gb The input bit stream.
> > + * @param size The size of allocated memory for the returned
> > + * AVDynamicHDRPlus structure.
> > *
> > * @return An AVDynamicHDRPlus filled with default values or NULL
> > * on failure.
> > */
> > -AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size);
> > +AVDynamicHDRPlus *av_dynamic_hdr_plus(GetBitContext *gb, size_t *size);
>
> As is this. Also, GetBitContext and PutBitContext are internal structs
> to libavcodec, and can't be used in public headers.
>
> >
> > /**
> > * Allocate a complete AVDynamicHDRPlus and add it to the frame.
> > @@ -340,4 +350,31 @@ AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t
> *size);
> > */
> > AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame);
> >
> > +/**
> > + * Decode the user data registered ITU-T T.35 to AVDynamicHDRPlus.
> > + * @param gb The bit content to be decoded.
> > + * @param s The decoded AVDynamicHDRPlus structure.
> > + *
> > + * @return 0 if succeed. Otherwise, returns the appropriate AVERROR.
> > + */
> > +int decode_itu_t_t35_to_dynamic_hdr_plus(GetBitContext *gb,
> AVDynamicHDRPlus *s);
> > +
> > +/**
> > + * Get the size of buffer required to save the encoded bit stream of
> > + * AVDynamicHDRPlus in the form of the user data registered ITU-T T.35.
> > + * @param s The AVDynamicHDRPlus structure.
> > + *
> > + * @return The size of bit stream required for encoding. 0 if the data
> is invalid.
> > + */
> > +int get_encoded_dynamic_hdr_plus_buffer_size(const AVDynamicHDRPlus *s);
> > +
> > +/**
> > + * Encode AVDynamicHDRPlus to the user data registered ITU-T T.35.
> > + * @param s The AVDynamicHDRPlus structure to be encoded.
> > + * @param pb The encoded bit stream.
> > + *
> > + * @return 0 if succeed. Otherwise, returns the appropriate AVERROR.
> > + */
> > +int encode_dynamic_hdr_plus_to_itu_t_t35(const AVDynamicHDRPlus *s,
> PutBitContext *pb);
> > +
> > #endif /* AVUTIL_HDR_DYNAMIC_METADATA_H */
> > diff --git a/libavutil/version.h b/libavutil/version.h
> > index af8f614aff..2bc1b98615 100644
> > --- a/libavutil/version.h
> > +++ b/libavutil/version.h
> > @@ -79,7 +79,7 @@
> > */
> >
> > #define LIBAVUTIL_VERSION_MAJOR 56
> > -#define LIBAVUTIL_VERSION_MINOR 38
> > +#define LIBAVUTIL_VERSION_MINOR 39
> > #define LIBAVUTIL_VERSION_MICRO 100
> >
> > #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR,
> \
> >
>
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