virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

avfilter/vf_showinfo: add support for H.274 Film Grain Characteristics frame side data

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-08-02 21:12:31 -03:00
parent 82be9f2777
commit 1cd43d8a5e
1 changed files with 71 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
libavfilter/vf_showinfo.c
View File

@ -29,6 +29,7 @@
#include "libavutil/display.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/film_grain_params.h"
#include "libavutil/hdr_dynamic_metadata.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
@ -361,6 +362,73 @@ static void dump_sei_unregistered_metadata(AVFilterContext *ctx, const AVFrameSi
av_log(ctx, AV_LOG_INFO, "\n");
}
static void dump_sei_film_grain_params_metadata(AVFilterContext *ctx, const AVFrameSideData *sd)
{
const AVFilmGrainParams *fgp = (const AVFilmGrainParams *)sd->data;
const char *const film_grain_type_names[] = {
[AV_FILM_GRAIN_PARAMS_NONE] = "none",
[AV_FILM_GRAIN_PARAMS_AV1] = "av1",
[AV_FILM_GRAIN_PARAMS_H274] = "h274",
};
if (fgp->type >= FF_ARRAY_ELEMS(film_grain_type_names)) {
av_log(ctx, AV_LOG_ERROR, "invalid data\n");
return;
}
av_log(ctx, AV_LOG_INFO, "film grain parameters: type %s; ", film_grain_type_names[fgp->type]);
av_log(ctx, AV_LOG_INFO, "seed=%"PRIu64"; ", fgp->seed);
switch (fgp->type) {
case AV_FILM_GRAIN_PARAMS_NONE:
case AV_FILM_GRAIN_PARAMS_AV1:
return;
case AV_FILM_GRAIN_PARAMS_H274: {
const AVFilmGrainH274Params *h274 = &fgp->codec.h274;
const char *color_range_str = av_color_range_name(h274->color_range);
const char *color_primaries_str = av_color_primaries_name(h274->color_primaries);
const char *color_trc_str = av_color_transfer_name(h274->color_trc);
const char *colorspace_str = av_color_space_name(h274->color_space);
av_log(ctx, AV_LOG_INFO, "model_id=%d; ", h274->model_id);
av_log(ctx, AV_LOG_INFO, "bit_depth_luma=%d; ", h274->bit_depth_luma);
av_log(ctx, AV_LOG_INFO, "bit_depth_chroma=%d; ", h274->bit_depth_chroma);
av_log(ctx, AV_LOG_INFO, "color_range=%s; ", color_range_str ? color_range_str : "unknown");
av_log(ctx, AV_LOG_INFO, "color_primaries=%s; ", color_primaries_str ? color_primaries_str : "unknown");
av_log(ctx, AV_LOG_INFO, "color_trc=%s; ", color_trc_str ? color_trc_str : "unknown");
av_log(ctx, AV_LOG_INFO, "color_space=%s; ", colorspace_str ? colorspace_str : "unknown");
av_log(ctx, AV_LOG_INFO, "blending_mode_id=%d; ", h274->blending_mode_id);
av_log(ctx, AV_LOG_INFO, "log2_scale_factor=%d; ", h274->log2_scale_factor);
for (int c = 0; c < 3; c++)
if (h274->component_model_present[c] && (h274->num_model_values[c] > 6 ||
h274->num_intensity_intervals[c] < 1 ||
h274->num_intensity_intervals[c] > 256)) {
av_log(ctx, AV_LOG_ERROR, "invalid data\n");
return;
}
for (int c = 0; c < 3; c++) {
if (!h274->component_model_present[c])
continue;
av_log(ctx, AV_LOG_INFO, "num_intensity_intervals[%d]=%u; ", c, h274->num_intensity_intervals[c]);
av_log(ctx, AV_LOG_INFO, "num_model_values[%d]=%u; ", c, h274->num_model_values[c]);
for (int i = 0; i < h274->num_intensity_intervals[c]; i++) {
av_log(ctx, AV_LOG_INFO, "intensity_interval_lower_bound[%d][%d]=%u; ",
c, i, h274->intensity_interval_lower_bound[c][i]);
av_log(ctx, AV_LOG_INFO, "intensity_interval_upper_bound[%d][%d]=%u; ",
c, i, h274->intensity_interval_upper_bound[c][i]);
for (int j = 0; j < h274->num_model_values[c]; j++)
av_log(ctx, AV_LOG_INFO, "comp_model_value[%d][%d][%d]=%d; ",
c, i, j, h274->comp_model_value[c][i][j]);
}
}
break;
}
}
}
static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
{
const char *color_range_str = av_color_range_name(frame->color_range);
@ -546,6 +614,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
case AV_FRAME_DATA_SEI_UNREGISTERED:
dump_sei_unregistered_metadata(ctx, sd);
break;
case AV_FRAME_DATA_FILM_GRAIN_PARAMS:
dump_sei_film_grain_params_metadata(ctx, sd);
break;
default:
av_log(ctx, AV_LOG_WARNING, "unknown side data type %d "
"(%"SIZE_SPECIFIER" bytes)\n", sd->type, sd->size);