[FFmpeg-cvslog] avfilter/avfiltergraph: add an "auto" constant to the threads option

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Fri Sep  3 10:29:58 2021 -0300| [f599ae88c25d2c84c4f3be1abe30777b68e249d5] | committer: James Almer

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

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f599ae88c25d2c84c4f3be1abe30777b68e249d5
---

 libavfilter/avfiltergraph.c | 5 +++--
 libavfilter/version.h       | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 383d9c5478..45b028cd9c 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -50,8 +50,9 @@ 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 }, .flags = F|V|A, .unit = "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)    ,
diff --git a/libavfilter/version.h b/libavfilter/version.h
index ff12ff9f8f..2110048b77 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -31,7 +31,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR   8
 #define LIBAVFILTER_VERSION_MINOR   7
-#define LIBAVFILTER_VERSION_MICRO 100
+#define LIBAVFILTER_VERSION_MICRO 101
 
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \