[FFmpeg-devel] [PATCH 05/12] avcodec/mpeg4videodec: Mark impossible switch case as unreachable
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Sat May 25 01:04:48 EEST 2024
Alternative to 8fc649b931a3cbc3a2dd9b50b75a9261a2fb4b49.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/mpeg4videodec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index df1e22207d..724ca202f5 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -24,6 +24,7 @@
#include "config_components.h"
+#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/thread.h"
@@ -598,7 +599,10 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
ctx->sprite_shift[1] = alpha + beta + rho - min_ab + 2;
break;
default:
- av_assert0(0);
+ /* num_sprite_warping_points outside of 0..3 results in an error
+ * in which num_sprite_warping_points is reset to zero. */
+ av_unreachable;
+ break;
}
/* try to simplify the situation */
if (sprite_delta[0][0] == a << ctx->sprite_shift[0] &&
--
2.40.1
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