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avfilter/f_perms: add commands support

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release/5.1
Paul B Mahol 3 years ago
parent 59c647bcf3
commit 66f8f9ed29
1 changed files with 15 additions and 15 deletions
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  1. 30
      libavfilter/f_perms.c

30
libavfilter/f_perms.c
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@ -42,14 +42,15 @@ typedef struct PermsContext {
#define OFFSET(x) offsetof(PermsContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM
#define TFLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption options[] = {
{ "mode", "select permissions mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MODE_NONE}, MODE_NONE, NB_MODES-1, FLAGS, "mode" },
{ "none", "do nothing", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_NONE}, INT_MIN, INT_MAX, FLAGS, "mode" },
{ "ro", "set all output frames read-only", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RO}, INT_MIN, INT_MAX, FLAGS, "mode" },
{ "rw", "set all output frames writable", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RW}, INT_MIN, INT_MAX, FLAGS, "mode" },
{ "toggle", "switch permissions", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_TOGGLE}, INT_MIN, INT_MAX, FLAGS, "mode" },
{ "random", "set permissions randomly", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RANDOM}, INT_MIN, INT_MAX, FLAGS, "mode" },
{ "mode", "select permissions mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MODE_NONE}, MODE_NONE, NB_MODES-1, TFLAGS, "mode" },
{ "none", "do nothing", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_NONE}, 0, 0, TFLAGS, "mode" },
{ "ro", "set all output frames read-only", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RO}, 0, 0, TFLAGS, "mode" },
{ "rw", "set all output frames writable", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RW}, 0, 0, TFLAGS, "mode" },
{ "toggle", "switch permissions", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_TOGGLE}, 0, 0, TFLAGS, "mode" },
{ "random", "set permissions randomly", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_RANDOM}, 0, 0, TFLAGS, "mode" },
{ "seed", "set the seed for the random mode", OFFSET(random_seed), AV_OPT_TYPE_INT64, {.i64 = -1}, -1, UINT32_MAX, FLAGS },
{ NULL }
};
@ -57,16 +58,13 @@ static const AVOption options[] = {
static av_cold int init(AVFilterContext *ctx)
{
PermsContext *s = ctx->priv;
uint32_t seed;
if (s->mode == MODE_RANDOM) {
uint32_t seed;
if (s->random_seed == -1)
s->random_seed = av_get_random_seed();
seed = s->random_seed;
av_log(ctx, AV_LOG_INFO, "random seed: 0x%08"PRIx32"\n", seed);
av_lfg_init(&s->lfg, seed);
}
if (s->random_seed == -1)
s->random_seed = av_get_random_seed();
seed = s->random_seed;
av_log(ctx, AV_LOG_INFO, "random seed: 0x%08"PRIx32"\n", seed);
av_lfg_init(&s->lfg, seed);
return 0;
}
@ -140,6 +138,7 @@ const AVFilter ff_af_aperms = {
FILTER_OUTPUTS(aperms_outputs),
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
AVFILTER_FLAG_METADATA_ONLY,
.process_command = ff_filter_process_command,
};
#endif /* CONFIG_APERMS_FILTER */
@ -170,5 +169,6 @@ const AVFilter ff_vf_perms = {
.priv_class = &perms_class,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
AVFILTER_FLAG_METADATA_ONLY,
.process_command = ff_filter_process_command,
};
#endif /* CONFIG_PERMS_FILTER */

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