Don't try to transfer image when there is no image available

2021-01-28 10:22:14 -05:00 · 2021-01-28 10:22:14 -05:00 · 4bd813d980
parent f32e546b94
commit 4bd813d980
1 changed files with 1 additions and 1 deletions
--- a/src/zm_packet.cpp
+++ b/src/zm_packet.cpp
@ -225,7 +225,7 @@ int ZMPacket::decode(AVCodecContext *ctx) {
  } else
 #endif
 #endif
-  {
+  if ( ret > 0 ) {
    Debug(2, "Same pix format %s so not hwtransferring. sw_pix_fmt is %s",
        av_get_pix_fmt_name(ctx->pix_fmt),
        av_get_pix_fmt_name(ctx->sw_pix_fmt)