[FFmpeg-cvslog] pngenc: allocate packets that have some chance of being large enough.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Mar 20 14:12:16 2012 +0100| [309d8ec19bf7b7137edd6a6960e3cd97b80448de] | committer: Michael Niedermayer

pngenc: allocate packets that have some chance of being large enough.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=309d8ec19bf7b7137edd6a6960e3cd97b80448de
---

 libavcodec/pngenc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 138d68d..1af8584 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -229,7 +229,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     p->pict_type= AV_PICTURE_TYPE_I;
     p->key_frame= 1;
 
-    max_packet_size = IOBUF_SIZE*avctx->height + FF_MIN_BUFFER_SIZE;
+    max_packet_size = avctx->width * avctx->height * 9 + FF_MIN_BUFFER_SIZE;
     if (!pkt->data &&
         (ret = av_new_packet(pkt, max_packet_size)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "Could not allocate output packet of size %d.\n",