[FFmpeg-devel] [PATCH V1] lavc/mpeg4audio: add chan_config check to avoid indeterminate channels
Jun Zhao
mypopydev at gmail.com
Sat Sep 21 14:29:47 EEST 2019
From: Jun Zhao <barryjzhao at tencent.com>
add chan_config check to avoid indeterminate channels.
Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
---
libavcodec/mpeg4audio.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/libavcodec/mpeg4audio.c b/libavcodec/mpeg4audio.c
index 2197147..0ada239 100644
--- a/libavcodec/mpeg4audio.c
+++ b/libavcodec/mpeg4audio.c
@@ -93,6 +93,10 @@ int ff_mpeg4audio_get_config_gb(MPEG4AudioConfig *c, GetBitContext *gb,
c->chan_config = get_bits(gb, 4);
if (c->chan_config < FF_ARRAY_ELEMS(ff_mpeg4audio_channels))
c->channels = ff_mpeg4audio_channels[c->chan_config];
+ else {
+ av_log(NULL, AV_LOG_ERROR, "Invalid chan_config %d\n", c->chan_config);
+ return -1;
+ }
c->sbr = -1;
c->ps = -1;
if (c->object_type == AOT_SBR || (c->object_type == AOT_PS &&
--
1.7.1
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