[FFmpeg-cvslog] avcodec_align_dimensions2: Ensure cinepak has large enough buffers.

Michael Niedermayer git at videolan.org
Wed Feb 20 04:15:17 CET 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Feb 20 02:24:30 2013 +0100| [f5c00b347dc76285c639d9878a014c40395c5228] | committer: Michael Niedermayer

avcodec_align_dimensions2: Ensure cinepak has large enough buffers.

This is partly redundant with the following patches, but its safer

Found-by: u-bo1b at 0w.se
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f5c00b347dc76285c639d9878a014c40395c5228
---

 libavcodec/utils.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 70475a1..3d75407 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -267,7 +267,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
     case AV_PIX_FMT_PAL8:
     case AV_PIX_FMT_BGR8:
     case AV_PIX_FMT_RGB8:
-        if (s->codec_id == AV_CODEC_ID_SMC) {
+        if (s->codec_id == AV_CODEC_ID_SMC ||
+            s->codec_id == AV_CODEC_ID_CINEPAK) {
             w_align = 4;
             h_align = 4;
         }
@@ -279,6 +280,12 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
             h_align = 4;
         }
         break;
+    case AV_PIX_FMT_RGB24:
+        if (s->codec_id == AV_CODEC_ID_CINEPAK) {
+            w_align = 4;
+            h_align = 4;
+        }
+        break;
     default:
         w_align = 1;
         h_align = 1;



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