avcodec/flacdsp: Avoid undefined operations in non debug builds

[ffmpeg] / libavcodec / svq3.c

diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 5aedc1e657761bc94ecae803dc652bd1e2251352..5b996561f1f92bc97a8300d504ca3f6723d87b40 100644 (file)
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -1070,14 +1070,16 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
         av_log(s->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
         return -1;
     }
+    if (get_bits1(&s->gb_slice)) {
+        avpriv_report_missing_feature(s->avctx, "Media key encryption");
+        return AVERROR_PATCHWELCOME;
+    }
 
     s->slice_type = ff_h264_golomb_to_pict_type[slice_id];
 
     if ((header & 0x9F) == 2) {
-        i = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1));
+        i = (s->mb_num < 64) ? 5 : av_log2(s->mb_num - 1);
         get_bits(&s->gb_slice, i);
-    } else {
-        skip_bits1(&s->gb_slice);
     }
 
     s->slice_num      = get_bits(&s->gb_slice, 8);
@@ -1556,7 +1558,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
                         return -1;
                 }
                 if (s->slice_type != s->pict_type) {
-                    avpriv_request_sample(avctx, "non constant slice type\n");
+                    avpriv_request_sample(avctx, "non constant slice type");
                 }
                 /* TODO: support s->mb_skip_run */
             }