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[FFmpeg-devel,1/2] avfilter/avfiltergraph: add an "auto" constant to the threads option

Message ID 20210903133638.812-1-jamrial@gmail.com
State New
Headers show
Series [FFmpeg-devel,1/2] avfilter/avfiltergraph: add an "auto" constant to the threads option
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Commit Message

James Almer Sept. 3, 2021, 1:36 p.m. UTC
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavfilter/avfiltergraph.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

James Almer Sept. 4, 2021, 12:16 p.m. UTC | #1
On 9/3/2021 10:36 AM, James Almer wrote:
> Signed-off-by: James Almer <jamrial@gmail.com>
> ---
>   libavfilter/avfiltergraph.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
> index 383d9c5478..727c8b7f5c 100644
> --- a/libavfilter/avfiltergraph.c
> +++ b/libavfilter/avfiltergraph.c
> @@ -50,8 +50,8 @@ static const AVOption filtergraph_options[] = {
>       { "thread_type", "Allowed thread types", OFFSET(thread_type), AV_OPT_TYPE_FLAGS,
>           { .i64 = AVFILTER_THREAD_SLICE }, 0, INT_MAX, F|V|A, "thread_type" },
>           { "slice", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVFILTER_THREAD_SLICE }, .flags = F|V|A, .unit = "thread_type" },
> -    { "threads",     "Maximum number of threads", OFFSET(nb_threads),
> -        AV_OPT_TYPE_INT,   { .i64 = 0 }, 0, INT_MAX, F|V|A },
> +    { "threads", "Maximum number of threads", OFFSET(nb_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, F|V|A, "threads" },
> +        {"auto", "autodetect a suitable number of threads to use", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, INT_MIN, INT_MAX, F|V|A, "threads"},
>       {"scale_sws_opts"       , "default scale filter options"        , OFFSET(scale_sws_opts)        ,
>           AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|V },
>       {"aresample_swr_opts"   , "default aresample filter options"    , OFFSET(aresample_swr_opts)    ,

Will apply set.
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Patch

diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 383d9c5478..727c8b7f5c 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -50,8 +50,8 @@  static const AVOption filtergraph_options[] = {
     { "thread_type", "Allowed thread types", OFFSET(thread_type), AV_OPT_TYPE_FLAGS,
         { .i64 = AVFILTER_THREAD_SLICE }, 0, INT_MAX, F|V|A, "thread_type" },
         { "slice", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVFILTER_THREAD_SLICE }, .flags = F|V|A, .unit = "thread_type" },
-    { "threads",     "Maximum number of threads", OFFSET(nb_threads),
-        AV_OPT_TYPE_INT,   { .i64 = 0 }, 0, INT_MAX, F|V|A },
+    { "threads", "Maximum number of threads", OFFSET(nb_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, F|V|A, "threads" },
+        {"auto", "autodetect a suitable number of threads to use", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, INT_MIN, INT_MAX, F|V|A, "threads"},
     {"scale_sws_opts"       , "default scale filter options"        , OFFSET(scale_sws_opts)        ,
         AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|V },
     {"aresample_swr_opts"   , "default aresample filter options"    , OFFSET(aresample_swr_opts)    ,