ffmpeg: Drop redundant ist check

stream copy always has a input stream, it cannot use complex video/audio filters with unambigous input
Fixes CID1322348

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 1 insertions, 1 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index 9f9170e327..2b3085afea 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2914,7 +2914,7 @@ static int transcode_init(void)
                 enc_ctx->time_base = dec_ctx->time_base;
             }
 
-            if (ist && !ost->frame_rate.num)
+            if (!ost->frame_rate.num)
                 ost->frame_rate = ist->framerate;
             if(ost->frame_rate.num)
                 enc_ctx->time_base = av_inv_q(ost->frame_rate);