avcodec/alsdec: Discard frames for which no channel could be decoded

[ffmpeg] / libavcodec / dvdsubdec.c

diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index 632a53adabcb86b1841f94d2fecc1b2fb05d6f58..741ea9fd1e7377d946e1c4464681e9836a0fe4a9 100644 (file)
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -595,6 +595,7 @@ static int dvdsub_decode(AVCodecContext *avctx,
     }
 
     if (is_menu < 0) {
+        ctx->buf_size = 0;
     no_subtitle:
         reset_rects(sub);
         *data_size = 0;