apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-10-28 11:21:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

lavf: add public functions converting dispositions to/from strings

Browse Source
This commit is contained in:
Anton Khirnov
2021-11-11 14:35:13 +01:00
parent ed75a08d36
commit b731fb5104
3 changed files with 62 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
libavformat/utils.c
View File

@@ -28,6 +28,7 @@
#include "libavutil/bprint.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixfmt.h"
@@ -1965,3 +1966,49 @@ void ff_format_set_url(AVFormatContext *s, char *url)
av_freep(&s->url);
s->url = url;
}
static const struct {
const char *str;
int disposition;
} dispositions[] = {
{ "default", AV_DISPOSITION_DEFAULT },
{ "dub", AV_DISPOSITION_DUB },
{ "original", AV_DISPOSITION_ORIGINAL },
{ "comment", AV_DISPOSITION_COMMENT },
{ "lyrics", AV_DISPOSITION_LYRICS },
{ "karaoke", AV_DISPOSITION_KARAOKE },
{ "forced", AV_DISPOSITION_FORCED },
{ "hearing_impaired", AV_DISPOSITION_HEARING_IMPAIRED },
{ "visual_impaired", AV_DISPOSITION_VISUAL_IMPAIRED },
{ "clean_effects", AV_DISPOSITION_CLEAN_EFFECTS },
{ "attached_pic", AV_DISPOSITION_ATTACHED_PIC },
{ "timed_thumbnails", AV_DISPOSITION_TIMED_THUMBNAILS },
{ "captions", AV_DISPOSITION_CAPTIONS },
{ "descriptions", AV_DISPOSITION_DESCRIPTIONS },
{ "metadata", AV_DISPOSITION_METADATA },
{ "dependent", AV_DISPOSITION_DEPENDENT },
{ "still_image", AV_DISPOSITION_STILL_IMAGE },
};
int av_disposition_from_string(const char *disp)
{
for (int i = 0; i < FF_ARRAY_ELEMS(dispositions); i++)
if (!strcmp(disp, dispositions[i].str))
return dispositions[i].disposition;
return AVERROR(EINVAL);
}
const char *av_disposition_to_string(int disposition)
{
int val;
if (disposition <= 0)
return NULL;
val = 1 << ff_ctz(disposition);
for (int i = 0; i < FF_ARRAY_ELEMS(dispositions); i++)
if (dispositions[i].disposition == val)
return dispositions[i].str;
return NULL;
}