ffmpeg | branch: master | Thierry Foucu <[email protected]> | Tue Jul 27 
11:25:04 2021 -0700| [fc300613bec1e55974d45f955265b72cbf9b5683] | committer: 
Michael Niedermayer

libavcodec/mpeg12dec.c: Switch to init_get_bits8 and checks return value

Signed-off-by: Michael Niedermayer <[email protected]>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fc300613bec1e55974d45f955265b72cbf9b5683
---

 libavcodec/mpeg12dec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index b27ed5bd6d..858dca660c 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1340,9 +1340,11 @@ static int mpeg1_decode_picture(AVCodecContext *avctx, 
const uint8_t *buf,
 {
     Mpeg1Context *s1  = avctx->priv_data;
     MpegEncContext *s = &s1->mpeg_enc_ctx;
-    int ref, f_code, vbv_delay;
+    int ref, f_code, vbv_delay, ret;
 
-    init_get_bits(&s->gb, buf, buf_size * 8);
+    ret = init_get_bits8(&s->gb, buf, buf_size);
+    if (ret < 0)
+        return ret;
 
     ref = get_bits(&s->gb, 10); /* temporal ref */
     s->pict_type = get_bits(&s->gb, 3);

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