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lavfi/avfilter: add an "auto" constant to the threads option 

Analogous to the same constant in avfiltergraph and avcodec.
Cf. f599ae88c2.
This commit is contained in:
Anton Khirnov 2024-04-04 11:19:12 +02:00
parent b0e1bc6298
commit d7cde009ce
1 changed files with 2 additions and 1 deletions
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3
libavfilter/avfilter.c
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@ -652,7 +652,8 @@ static const AVOption avfilter_options[] = {
{ "slice", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVFILTER_THREAD_SLICE }, .flags = FLAGS, .unit = "thread_type" },
{ "enable", "set enable expression", OFFSET(enable_str), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = TFLAGS },
{ "threads", "Allowed number of threads", OFFSET(nb_threads), AV_OPT_TYPE_INT,
{ .i64 = 0 }, 0, INT_MAX, FLAGS },
{ .i64 = 0 }, 0, INT_MAX, FLAGS, .unit = "threads" },
{"auto", "autodetect a suitable number of threads to use", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, .flags = FLAGS, .unit = "threads"},
{ "extra_hw_frames", "Number of extra hardware frames to allocate for the user",
OFFSET(extra_hw_frames), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
{ NULL },