[FFmpeg-cvslog] lavfi/af_amerge: Replace the number by macro for bprint init

[Jun Zhao]

ffmpeg | branch: master | Jun Zhao <mypopydev at gmail.com> | Sun Jun 10 16:00:49 2018 +0800| [9809ac98bde14f71459a8133f7d98e353370ea33] | committer: Jun Zhao

lavfi/af_amerge: Replace the number by macro for bprint init

Replace the number by macro for bprint init.

Signed-off-by: Jun Zhao <mypopydev at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9809ac98bde14f71459a8133f7d98e353370ea33
---

 libavfilter/af_amerge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_amerge.c b/libavfilter/af_amerge.c
index 9bed8e7127..3961c90701 100644
--- a/libavfilter/af_amerge.c
+++ b/libavfilter/af_amerge.c
@@ -166,7 +166,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->sample_rate = ctx->inputs[0]->sample_rate;
     outlink->time_base   = ctx->inputs[0]->time_base;
 
-    av_bprint_init(&bp, 0, 1);
+    av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
     for (i = 0; i < s->nb_inputs; i++) {
         av_bprintf(&bp, "%sin%d:", i ? " + " : "", i);
         av_bprint_channel_layout(&bp, -1, ctx->inputs[i]->channel_layout);