[FFmpeg-cvslog] Fix all VDPAU decoders.

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <cehoyos at ag.or.at> | Wed Jun 18 11:35:33 2014 +0200| [076ab9f7e3b1f4a02d31bba2b8e55407f5deff17] | committer: Carl Eugen Hoyos

Fix all VDPAU decoders.

Fixes ticket #3726.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=076ab9f7e3b1f4a02d31bba2b8e55407f5deff17
---

 libavcodec/mpegvideo.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 97f22d2..d8ebe6c 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -434,6 +434,9 @@ static int frame_size_alloc(MpegEncContext *s, int linesize)
 {
     int alloc_size = FFALIGN(FFABS(linesize) + 64, 32);
 
+    if (s->avctx->hwaccel || s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
+        return 0;
+
     if (linesize < 24) {
         av_log(s->avctx, AV_LOG_ERROR, "Image too small, temporary buffers cannot function\n");
         return AVERROR_PATCHWELCOME;