[FFmpeg-devel] [PATCH] fftools/ffmpeg_filter: do not assume av_buffersrc_get_nb_failed_requests()>0

[Anton Khirnov]

Apparently it can happen that avfilter_graph_request_oldest() returns
EAGAIN, yet av_buffersrc_get_nb_failed_requests() returns 0 for every
input.

Fixes #10795
---
 fftools/ffmpeg_filter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 13c5065191..dc7131c154 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -1889,7 +1889,7 @@ static void send_command(FilterGraph *fg, AVFilterGraph *graph,
 
 static int choose_input(const FilterGraph *fg, const FilterGraphThread *fgt)
 {
-    int nb_requests, nb_requests_max = 0;
+    int nb_requests, nb_requests_max = -1;
     int best_input = -1;
 
     for (int i = 0; i < fg->nb_inputs; i++) {
-- 
2.43.0