[FFmpeg-cvslog] h263enc: check w/h for validity

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat May 12 18:47:42 2012 +0200| [70f133fb54bfa92c1a57147ba3ff606c1daddaff] | committer: Michael Niedermayer

h263enc: check w/h for validity

Fixes Ticket1063

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=70f133fb54bfa92c1a57147ba3ff606c1daddaff
---

 libavcodec/mpegvideo_enc.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 15fa9a2..a10421c 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -480,6 +480,14 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
                    avctx->sample_aspect_ratio.num,  avctx->sample_aspect_ratio.den, 255);
     }
 
+    if ((s->codec_id == CODEC_ID_H263  ||
+         s->codec_id == CODEC_ID_H263P) &&
+        (avctx->width  > 2048 ||
+         avctx->height > 1152 )) {
+        av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
+        return -1;
+    }
+
     if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
         s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO) {
         av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");