* [FFmpeg-devel] [PATCH v4 1/2] avcodec/avutil: move dynamic HDR10+ metadata parsing to libavutil
@ 2023-03-13 20:22 Raphaël Zumer
2023-03-13 20:38 ` James Almer
0 siblings, 1 reply; 2+ messages in thread
From: Raphaël Zumer @ 2023-03-13 20:22 UTC (permalink / raw)
To: ffmpeg-devel
Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
---
libavcodec/Makefile | 2 +-
libavcodec/dynamic_hdr10_plus.c | 198 -------------------------------
libavcodec/dynamic_hdr10_plus.h | 35 ------
libavcodec/h2645_sei.c | 6 +-
libavutil/hdr_dynamic_metadata.c | 180 ++++++++++++++++++++++++++++
libavutil/hdr_dynamic_metadata.h | 11 ++
6 files changed, 195 insertions(+), 237 deletions(-)
delete mode 100644 libavcodec/dynamic_hdr10_plus.c
delete mode 100644 libavcodec/dynamic_hdr10_plus.h
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index abae4909d2..e8ab55f16e 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -104,7 +104,7 @@ OBJS-$(CONFIG_H264_SEI) += h264_sei.o h2645_sei.o
OBJS-$(CONFIG_HEVCPARSE) += hevc_parse.o hevc_ps.o hevc_data.o \
h2645data.o h2645_parse.o h2645_vui.o
OBJS-$(CONFIG_HEVC_SEI) += hevc_sei.o h2645_sei.o \
- dynamic_hdr10_plus.o dynamic_hdr_vivid.o
+ dynamic_hdr_vivid.o
OBJS-$(CONFIG_HPELDSP) += hpeldsp.o
OBJS-$(CONFIG_HUFFMAN) += huffman.o
OBJS-$(CONFIG_HUFFYUVDSP) += huffyuvdsp.o
diff --git a/libavcodec/dynamic_hdr10_plus.c b/libavcodec/dynamic_hdr10_plus.c
deleted file mode 100644
index 34a44aac65..0000000000
--- a/libavcodec/dynamic_hdr10_plus.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "dynamic_hdr10_plus.h"
-#include "get_bits.h"
-
-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;
-
-int ff_parse_itu_t_t35_to_dynamic_hdr10_plus(AVDynamicHDRPlus *s, const uint8_t *data,
- int size)
-{
- GetBitContext gbc, *gb = &gbc;
- int ret;
-
- if (!s)
- return AVERROR(ENOMEM);
-
- ret = init_get_bits8(gb, data, size);
- if (ret < 0)
- return ret;
-
- if (get_bits_left(gb) < 10)
- return AVERROR_INVALIDDATA;
-
- s->application_version = get_bits(gb, 8);
- 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 (int w = 1; w < s->num_windows; w++) {
- // The corners are set to absolute coordinates here. They should be
- // converted to the relative coordinates (in [0, 1]) in the decoder.
- AVHDRPlusColorTransformParams *params = &s->params[w];
- params->window_upper_left_corner_x =
- (AVRational){get_bits(gb, 16), 1};
- params->window_upper_left_corner_y =
- (AVRational){get_bits(gb, 16), 1};
- params->window_lower_right_corner_x =
- (AVRational){get_bits(gb, 16), 1};
- params->window_lower_right_corner_y =
- (AVRational){get_bits(gb, 16), 1};
-
- params->center_of_ellipse_x = get_bits(gb, 16);
- params->center_of_ellipse_y = get_bits(gb, 16);
- params->rotation_angle = get_bits(gb, 8);
- params->semimajor_axis_internal_ellipse = get_bits(gb, 16);
- params->semimajor_axis_external_ellipse = get_bits(gb, 16);
- params->semiminor_axis_external_ellipse = get_bits(gb, 16);
- params->overlap_process_option = get_bits1(gb);
- }
-
- if (get_bits_left(gb) < 28)
- return AVERROR_INVALIDDATA;
-
- s->targeted_system_display_maximum_luminance =
- (AVRational){get_bits_long(gb, 27), 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_INVALIDDATA;
- 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_INVALIDDATA;
-
- for (int i = 0; i < rows; i++) {
- for (int j = 0; j < cols; j++) {
- s->targeted_system_display_actual_peak_luminance[i][j] =
- (AVRational){get_bits(gb, 4), peak_luminance_den};
- }
- }
- }
- for (int w = 0; w < s->num_windows; w++) {
- AVHDRPlusColorTransformParams *params = &s->params[w];
- if (get_bits_left(gb) < (3 * 17 + 17 + 4))
- return AVERROR_INVALIDDATA;
-
- for (int i = 0; i < 3; i++) {
- params->maxscl[i] =
- (AVRational){get_bits(gb, 17), rgb_den};
- }
- params->average_maxrgb =
- (AVRational){get_bits(gb, 17), rgb_den};
- params->num_distribution_maxrgb_percentiles = get_bits(gb, 4);
-
- if (get_bits_left(gb) <
- (params->num_distribution_maxrgb_percentiles * 24))
- return AVERROR_INVALIDDATA;
-
- for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
- params->distribution_maxrgb[i].percentage = get_bits(gb, 7);
- params->distribution_maxrgb[i].percentile =
- (AVRational){get_bits(gb, 17), rgb_den};
- }
-
- if (get_bits_left(gb) < 10)
- return AVERROR_INVALIDDATA;
-
- params->fraction_bright_pixels = (AVRational){get_bits(gb, 10), fraction_pixel_den};
- }
- if (get_bits_left(gb) < 1)
- return AVERROR_INVALIDDATA;
- 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_INVALIDDATA;
- 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_INVALIDDATA;
-
- for (int i = 0; i < rows; i++) {
- for (int j = 0; j < cols; j++) {
- s->mastering_display_actual_peak_luminance[i][j] =
- (AVRational){get_bits(gb, 4), peak_luminance_den};
- }
- }
- }
-
- for (int w = 0; w < s->num_windows; w++) {
- AVHDRPlusColorTransformParams *params = &s->params[w];
- if (get_bits_left(gb) < 1)
- return AVERROR_INVALIDDATA;
-
- params->tone_mapping_flag = get_bits1(gb);
- if (params->tone_mapping_flag) {
- if (get_bits_left(gb) < 28)
- return AVERROR_INVALIDDATA;
-
- params->knee_point_x =
- (AVRational){get_bits(gb, 12), knee_point_den};
- params->knee_point_y =
- (AVRational){get_bits(gb, 12), knee_point_den};
- params->num_bezier_curve_anchors = get_bits(gb, 4);
-
- if (get_bits_left(gb) < (params->num_bezier_curve_anchors * 10))
- return AVERROR_INVALIDDATA;
-
- for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
- params->bezier_curve_anchors[i] =
- (AVRational){get_bits(gb, 10), bezier_anchor_den};
- }
- }
-
- if (get_bits_left(gb) < 1)
- return AVERROR_INVALIDDATA;
- params->color_saturation_mapping_flag = get_bits1(gb);
- if (params->color_saturation_mapping_flag) {
- if (get_bits_left(gb) < 6)
- return AVERROR_INVALIDDATA;
- params->color_saturation_weight =
- (AVRational){get_bits(gb, 6), saturation_weight_den};
- }
- }
-
- return 0;
-}
diff --git a/libavcodec/dynamic_hdr10_plus.h b/libavcodec/dynamic_hdr10_plus.h
deleted file mode 100644
index cd7acf0432..0000000000
--- a/libavcodec/dynamic_hdr10_plus.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_DYNAMIC_HDR10_PLUS_H
-#define AVCODEC_DYNAMIC_HDR10_PLUS_H
-
-#include "libavutil/hdr_dynamic_metadata.h"
-
-/**
- * Parse the user data registered ITU-T T.35 to AVbuffer (AVDynamicHDRPlus).
- * @param s A pointer containing the decoded AVDynamicHDRPlus structure.
- * @param data The byte array containing the raw ITU-T T.35 data.
- * @param size Size of the data array in bytes.
- *
- * @return 0 if succeed. Otherwise, returns the appropriate AVERROR.
- */
-int ff_parse_itu_t_t35_to_dynamic_hdr10_plus(AVDynamicHDRPlus *s, const uint8_t *data,
- int size);
-
-#endif /* AVCODEC_DYNAMIC_HDR10_PLUS_H */
diff --git a/libavcodec/h2645_sei.c b/libavcodec/h2645_sei.c
index 6e4a9a1af2..63ab711bc9 100644
--- a/libavcodec/h2645_sei.c
+++ b/libavcodec/h2645_sei.c
@@ -27,13 +27,13 @@
#include "libavutil/ambient_viewing_environment.h"
#include "libavutil/display.h"
+#include "libavutil/hdr_dynamic_metadata.h"
#include "libavutil/film_grain_params.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "atsc_a53.h"
#include "avcodec.h"
-#include "dynamic_hdr10_plus.h"
#include "dynamic_hdr_vivid.h"
#include "get_bits.h"
#include "golomb.h"
@@ -52,8 +52,8 @@ static int decode_registered_user_data_dynamic_hdr_plus(HEVCSEIDynamicHDRPlus *s
if (!metadata)
return AVERROR(ENOMEM);
- err = ff_parse_itu_t_t35_to_dynamic_hdr10_plus(metadata, gb->buffer,
- bytestream2_get_bytes_left(gb));
+ err = av_dynamic_hdr_plus_from_t35(metadata, gb->buffer,
+ bytestream2_get_bytes_left(gb));
if (err < 0) {
av_free(metadata);
return err;
diff --git a/libavutil/hdr_dynamic_metadata.c b/libavutil/hdr_dynamic_metadata.c
index 0fa1ee82de..98f399b032 100644
--- a/libavutil/hdr_dynamic_metadata.c
+++ b/libavutil/hdr_dynamic_metadata.c
@@ -20,6 +20,16 @@
#include "hdr_dynamic_metadata.h"
#include "mem.h"
+#include "libavcodec/get_bits.h"
+#include "libavcodec/put_bits.h"
+
+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)
{
@@ -45,3 +55,173 @@ AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame)
return (AVDynamicHDRPlus *)side_data->data;
}
+
+int av_dynamic_hdr_plus_from_t35(AVDynamicHDRPlus *s, const uint8_t *data,
+ int size)
+{
+ GetBitContext gbc, *gb = &gbc;
+ int ret;
+
+ if (!s)
+ return AVERROR(ENOMEM);
+
+ ret = init_get_bits8(gb, data, size);
+ if (ret < 0)
+ return ret;
+
+ if (get_bits_left(gb) < 10)
+ return AVERROR_INVALIDDATA;
+
+ s->application_version = get_bits(gb, 8);
+ 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 (int w = 1; w < s->num_windows; w++) {
+ // The corners are set to absolute coordinates here. They should be
+ // converted to the relative coordinates (in [0, 1]) in the decoder.
+ AVHDRPlusColorTransformParams *params = &s->params[w];
+ params->window_upper_left_corner_x =
+ (AVRational){get_bits(gb, 16), 1};
+ params->window_upper_left_corner_y =
+ (AVRational){get_bits(gb, 16), 1};
+ params->window_lower_right_corner_x =
+ (AVRational){get_bits(gb, 16), 1};
+ params->window_lower_right_corner_y =
+ (AVRational){get_bits(gb, 16), 1};
+
+ params->center_of_ellipse_x = get_bits(gb, 16);
+ params->center_of_ellipse_y = get_bits(gb, 16);
+ params->rotation_angle = get_bits(gb, 8);
+ params->semimajor_axis_internal_ellipse = get_bits(gb, 16);
+ params->semimajor_axis_external_ellipse = get_bits(gb, 16);
+ params->semiminor_axis_external_ellipse = get_bits(gb, 16);
+ params->overlap_process_option = get_bits1(gb);
+ }
+
+ if (get_bits_left(gb) < 28)
+ return AVERROR_INVALIDDATA;
+
+ s->targeted_system_display_maximum_luminance =
+ (AVRational){get_bits_long(gb, 27), 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_INVALIDDATA;
+ 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_INVALIDDATA;
+
+ for (int i = 0; i < rows; i++) {
+ for (int j = 0; j < cols; j++) {
+ s->targeted_system_display_actual_peak_luminance[i][j] =
+ (AVRational){get_bits(gb, 4), peak_luminance_den};
+ }
+ }
+ }
+ for (int w = 0; w < s->num_windows; w++) {
+ AVHDRPlusColorTransformParams *params = &s->params[w];
+ if (get_bits_left(gb) < (3 * 17 + 17 + 4))
+ return AVERROR_INVALIDDATA;
+
+ for (int i = 0; i < 3; i++) {
+ params->maxscl[i] =
+ (AVRational){get_bits(gb, 17), rgb_den};
+ }
+ params->average_maxrgb =
+ (AVRational){get_bits(gb, 17), rgb_den};
+ params->num_distribution_maxrgb_percentiles = get_bits(gb, 4);
+
+ if (get_bits_left(gb) <
+ (params->num_distribution_maxrgb_percentiles * 24))
+ return AVERROR_INVALIDDATA;
+
+ for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
+ params->distribution_maxrgb[i].percentage = get_bits(gb, 7);
+ params->distribution_maxrgb[i].percentile =
+ (AVRational){get_bits(gb, 17), rgb_den};
+ }
+
+ if (get_bits_left(gb) < 10)
+ return AVERROR_INVALIDDATA;
+
+ params->fraction_bright_pixels = (AVRational){get_bits(gb, 10), fraction_pixel_den};
+ }
+ if (get_bits_left(gb) < 1)
+ return AVERROR_INVALIDDATA;
+ 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_INVALIDDATA;
+ 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_INVALIDDATA;
+
+ for (int i = 0; i < rows; i++) {
+ for (int j = 0; j < cols; j++) {
+ s->mastering_display_actual_peak_luminance[i][j] =
+ (AVRational){get_bits(gb, 4), peak_luminance_den};
+ }
+ }
+ }
+
+ for (int w = 0; w < s->num_windows; w++) {
+ AVHDRPlusColorTransformParams *params = &s->params[w];
+ if (get_bits_left(gb) < 1)
+ return AVERROR_INVALIDDATA;
+
+ params->tone_mapping_flag = get_bits1(gb);
+ if (params->tone_mapping_flag) {
+ if (get_bits_left(gb) < 28)
+ return AVERROR_INVALIDDATA;
+
+ params->knee_point_x =
+ (AVRational){get_bits(gb, 12), knee_point_den};
+ params->knee_point_y =
+ (AVRational){get_bits(gb, 12), knee_point_den};
+ params->num_bezier_curve_anchors = get_bits(gb, 4);
+
+ if (get_bits_left(gb) < (params->num_bezier_curve_anchors * 10))
+ return AVERROR_INVALIDDATA;
+
+ for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
+ params->bezier_curve_anchors[i] =
+ (AVRational){get_bits(gb, 10), bezier_anchor_den};
+ }
+ }
+
+ if (get_bits_left(gb) < 1)
+ return AVERROR_INVALIDDATA;
+ params->color_saturation_mapping_flag = get_bits1(gb);
+ if (params->color_saturation_mapping_flag) {
+ if (get_bits_left(gb) < 6)
+ return AVERROR_INVALIDDATA;
+ params->color_saturation_weight =
+ (AVRational){get_bits(gb, 6), saturation_weight_den};
+ }
+ }
+
+ return 0;
+}
diff --git a/libavutil/hdr_dynamic_metadata.h b/libavutil/hdr_dynamic_metadata.h
index 2d72de56ae..1f953ef1f5 100644
--- a/libavutil/hdr_dynamic_metadata.h
+++ b/libavutil/hdr_dynamic_metadata.h
@@ -340,4 +340,15 @@ AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size);
*/
AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame);
+/**
+ * Parse the user data registered ITU-T T.35 to AVbuffer (AVDynamicHDRPlus).
+ * @param s A pointer containing the decoded AVDynamicHDRPlus structure.
+ * @param data The byte array containing the raw ITU-T T.35 data.
+ * @param size Size of the data array in bytes.
+ *
+ * @return 0 if succeed. Otherwise, returns the appropriate AVERROR.
+ */
+int av_dynamic_hdr_plus_from_t35(AVDynamicHDRPlus *s, const uint8_t *data,
+ int size);
+
#endif /* AVUTIL_HDR_DYNAMIC_METADATA_H */
--
2.39.1
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [FFmpeg-devel] [PATCH v4 1/2] avcodec/avutil: move dynamic HDR10+ metadata parsing to libavutil
2023-03-13 20:22 [FFmpeg-devel] [PATCH v4 1/2] avcodec/avutil: move dynamic HDR10+ metadata parsing to libavutil Raphaël Zumer
@ 2023-03-13 20:38 ` James Almer
0 siblings, 0 replies; 2+ messages in thread
From: James Almer @ 2023-03-13 20:38 UTC (permalink / raw)
To: ffmpeg-devel
On 3/13/2023 5:22 PM, Raphaël Zumer wrote:
> Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
> ---
> libavcodec/Makefile | 2 +-
> libavcodec/dynamic_hdr10_plus.c | 198 -------------------------------
> libavcodec/dynamic_hdr10_plus.h | 35 ------
> libavcodec/h2645_sei.c | 6 +-
> libavutil/hdr_dynamic_metadata.c | 180 ++++++++++++++++++++++++++++
> libavutil/hdr_dynamic_metadata.h | 11 ++
> 6 files changed, 195 insertions(+), 237 deletions(-)
> delete mode 100644 libavcodec/dynamic_hdr10_plus.c
> delete mode 100644 libavcodec/dynamic_hdr10_plus.h
This is missing the required changes in the av1 and libdav1d decoders
like you did for h2645_sei. Support in them is pretty recent, so i
assume your tree is slightly outdated? Otherwise compilation should have
failed for you.
I can make the changes before pushing since it's a one line change for
each decoder, so no need for a new version.
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-03-13 20:22 [FFmpeg-devel] [PATCH v4 1/2] avcodec/avutil: move dynamic HDR10+ metadata parsing to libavutil Raphaël Zumer
2023-03-13 20:38 ` James Almer
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git