mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 00:32:31 +00:00
55621f6fae
Enable it only for side data types that don't allow more than one entry. Signed-off-by: James Almer <jamrial@gmail.com>
112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2023 Jan Ekström <jeebjp@gmail.com>
|
|
*
|
|
* 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 <stdio.h>
|
|
#include "libavutil/frame.c"
|
|
#include "libavutil/internal.h"
|
|
|
|
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 (size %"SIZE_SPECIFIER"), %s",
|
|
i, entry->size, av_frame_side_data_name(entry->type));
|
|
|
|
if (entry->type != AV_FRAME_DATA_SEI_UNREGISTERED) {
|
|
putchar('\n');
|
|
continue;
|
|
}
|
|
|
|
printf(": %d\n", *(int32_t *)entry->data);
|
|
}
|
|
}
|
|
|
|
typedef struct FrameSideDataSet {
|
|
AVFrameSideData **sd;
|
|
int nb_sd;
|
|
} FrameSideDataSet;
|
|
|
|
int main(void)
|
|
{
|
|
FrameSideDataSet set = { 0 };
|
|
|
|
av_assert0(
|
|
av_frame_side_data_new(&set.sd, &set.nb_sd,
|
|
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_SEI_UNREGISTERED,
|
|
sizeof(int32_t), 0);
|
|
|
|
av_assert0(sd);
|
|
|
|
*(int32_t *)sd->data = value;
|
|
}
|
|
|
|
av_assert0(
|
|
av_frame_side_data_new(
|
|
&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_SEI_UNREGISTERED,
|
|
sizeof(int32_t), 0);
|
|
|
|
av_assert0(sd);
|
|
|
|
*(int32_t *)sd->data = value + 3;
|
|
}
|
|
|
|
puts("Initial addition results with duplicates:");
|
|
print_entries((const AVFrameSideData **)set.sd, set.nb_sd);
|
|
|
|
{
|
|
AVFrameSideData *sd = av_frame_side_data_new(
|
|
&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
|
|
sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_UNIQUE);
|
|
|
|
av_assert0(sd);
|
|
|
|
*(int32_t *)sd->data = 1337;
|
|
}
|
|
|
|
puts("\nFinal state after a single 'no-duplicates' addition:");
|
|
print_entries((const AVFrameSideData **)set.sd, set.nb_sd);
|
|
|
|
av_frame_side_data_free(&set.sd, &set.nb_sd);
|
|
|
|
return 0;
|
|
}
|