ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@gmail.com> | 
Fri Aug  7 16:08:42 2020 +0200| [27f35fd121e38b28daafb4f1ad47cf55b5e5ab71] | 
committer: Andreas Rheinhardt

avfilter/af_amix: Don't needlessly reallocate table

Replace using ff_add_format() repeatedly by a single call to
ff_make_format_list(). (Right now this also fixes a memleak: If the
first ff_add_format() succeeds and a subsequent call fails, the list
leaks.)

Reviewed-by: Paul B Mahol <one...@gmail.com>
Reviewed-by: Nicolas George <geo...@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=27f35fd121e38b28daafb4f1ad47cf55b5e5ab71
---

 libavfilter/af_amix.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c
index 0826fc118c..6a4ef8d944 100644
--- a/libavfilter/af_amix.c
+++ b/libavfilter/af_amix.c
@@ -588,7 +588,11 @@ static av_cold void uninit(AVFilterContext *ctx)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    AVFilterFormats *formats = NULL;
+    static const enum AVSampleFormat sample_fmts[] = {
+        AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
+        AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBLP,
+        AV_SAMPLE_FMT_NONE
+    };
     AVFilterChannelLayouts *layouts;
     int ret;
 
@@ -598,11 +602,7 @@ static int query_formats(AVFilterContext *ctx)
         goto fail;
     }
 
-    if ((ret = ff_add_format(&formats, AV_SAMPLE_FMT_FLT ))          < 0 ||
-        (ret = ff_add_format(&formats, AV_SAMPLE_FMT_FLTP))          < 0 ||
-        (ret = ff_add_format(&formats, AV_SAMPLE_FMT_DBL ))          < 0 ||
-        (ret = ff_add_format(&formats, AV_SAMPLE_FMT_DBLP))          < 0 ||
-        (ret = ff_set_common_formats        (ctx, formats))          < 0 ||
+    if ((ret = ff_set_common_formats(ctx, ff_make_format_list(sample_fmts))) < 
0 ||
         (ret = ff_set_common_channel_layouts(ctx, layouts))          < 0 ||
         (ret = ff_set_common_samplerates(ctx, ff_all_samplerates())) < 0)
         goto fail;

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