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[FFmpeg-devel,02/31] lavfi/avfilter: add an "auto" constant to the threads option

Message ID 20240405161212.26167-2-anton@khirnov.net
State Accepted
Commit d7cde009ce7884995bb38505a26e819b9f57a3d2
Headers show
Series [FFmpeg-devel,01/31] lavfi/vf_scale: fix AVOption flags for "size"/"s" | expand

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Commit Message

Anton Khirnov April 5, 2024, 4:11 p.m. UTC 
Analogous to the same constant in avfiltergraph and avcodec.
Cf. f599ae88c25.
---
 libavfilter/avfilter.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 7f94e71fbc..049e4f62ca 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -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 },