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Code Issues Releases Activity

avutil/frame: add a flag to allow overwritting existing entries

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Enable it only for side data types that don't allow more than one entry.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-03-28 13:01:47 -03:00
parent a16338089c
commit 55621f6fae
4 changed files with 119 additions and 44 deletions
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52
libavutil/tests/side_data_array.c
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@@ -20,23 +20,22 @@
#include <stdio.h>
#include "libavutil/frame.c"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/internal.h"
static void print_clls(const AVFrameSideData **sd, const int nb_sd)
static void print_entries(const AVFrameSideData **sd, const int nb_sd)
{
for (int i = 0; i < nb_sd; i++) {
const AVFrameSideData *entry = sd[i];
printf("sd %d, %s",
i, av_frame_side_data_name(entry->type));
printf("sd %d (size %"SIZE_SPECIFIER"), %s",
i, entry->size, av_frame_side_data_name(entry->type));
if (entry->type != AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
if (entry->type != AV_FRAME_DATA_SEI_UNREGISTERED) {
putchar('\n');
continue;
}
printf(": MaxCLL: %u\n",
((AVContentLightMetadata *)entry->data)->MaxCLL);
printf(": %d\n", *(int32_t *)entry->data);
}
}
@@ -51,51 +50,60 @@ int main(void)
av_assert0(
av_frame_side_data_new(&set.sd, &set.nb_sd,
AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT,
0, 0));
AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
sizeof(int64_t), 0));
av_assert0(
av_frame_side_data_new(&set.sd, &set.nb_sd,
AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_REPLACE));
// test entries in the middle
for (int value = 1; value < 4; value++) {
AVFrameSideData *sd = av_frame_side_data_new(
&set.sd, &set.nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
sizeof(AVContentLightMetadata), 0);
&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
sizeof(int32_t), 0);
av_assert0(sd);
((AVContentLightMetadata *)sd->data)->MaxCLL = value;
*(int32_t *)sd->data = value;
}
av_assert0(
av_frame_side_data_new(
&set.sd, &set.nb_sd, AV_FRAME_DATA_SPHERICAL, 0, 0));
&set.sd, &set.nb_sd, AV_FRAME_DATA_SPHERICAL,
sizeof(int64_t), 0));
av_assert0(
av_frame_side_data_new(
&set.sd, &set.nb_sd, AV_FRAME_DATA_SPHERICAL,
sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_REPLACE));
// test entries at the end
for (int value = 1; value < 4; value++) {
AVFrameSideData *sd = av_frame_side_data_new(
&set.sd, &set.nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
sizeof(AVContentLightMetadata), 0);
&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
sizeof(int32_t), 0);
av_assert0(sd);
((AVContentLightMetadata *)sd->data)->MaxCLL = value + 3;
*(int32_t *)sd->data = value + 3;
}
puts("Initial addition results with duplicates:");
print_clls((const AVFrameSideData **)set.sd, set.nb_sd);
print_entries((const AVFrameSideData **)set.sd, set.nb_sd);
{
AVFrameSideData *sd = av_frame_side_data_new(
&set.sd, &set.nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
sizeof(AVContentLightMetadata),
AV_FRAME_SIDE_DATA_FLAG_UNIQUE);
&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_UNIQUE);
av_assert0(sd);
((AVContentLightMetadata *)sd->data)->MaxCLL = 1337;
*(int32_t *)sd->data = 1337;
}
puts("\nFinal state after a single 'no-duplicates' addition:");
print_clls((const AVFrameSideData **)set.sd, set.nb_sd);
print_entries((const AVFrameSideData **)set.sd, set.nb_sd);
av_frame_side_data_free(&set.sd, &set.nb_sd);