[FFmpeg-cvslog] avcodec/mjpegenc: take into account component count when writing the SOF header size

James Almer git at videolan.org
Sat Nov 26 14:54:13 EET 2022


ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Thu Nov 24 20:00:18 2022 -0300| [100939695307743396e30e6310d2ea9cf42f9aab] | committer: James Almer

avcodec/mjpegenc: take into account component count when writing the SOF header size

Fixes ticket #10069

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=100939695307743396e30e6310d2ea9cf42f9aab
---

 libavcodec/mjpegenc_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mjpegenc_common.c b/libavcodec/mjpegenc_common.c
index 6dfc4469a5..049ae3d929 100644
--- a/libavcodec/mjpegenc_common.c
+++ b/libavcodec/mjpegenc_common.c
@@ -308,7 +308,7 @@ void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb,
     default: av_assert0(0);
     }
 
-    put_bits(pb, 16, 17);
+    put_bits(pb, 16, 8 + 3 * components);
     if (lossless && (  avctx->pix_fmt == AV_PIX_FMT_BGR0
                     || avctx->pix_fmt == AV_PIX_FMT_BGRA
                     || avctx->pix_fmt == AV_PIX_FMT_BGR24))



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