[FFmpeg-cvslog] avisynth: Fix upside down bug

[chinshou]

ffmpeg | branch: release/0.8 | chinshou <chinshou1976 at gmail.com> | Sat Sep 10 05:23:17 2011 +0200| [57571f348e2c976c5160d0d6137441ea121294a7] | committer: Michael Niedermayer

avisynth: Fix upside down bug
(cherry picked from commit b10ba1175d3afa28d88cf3b24b69dc4882be16f5)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=57571f348e2c976c5160d0d6137441ea121294a7
---

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

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index e0b5a64..643f25b 100644
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -122,6 +122,14 @@ static int avisynth_read_header(AVFormatContext *s, AVFormatParameters *ap)
                   st->codec->bit_rate = (uint64_t)stream->info.dwSampleSize * (uint64_t)stream->info.dwRate * 8 / (uint64_t)stream->info.dwScale;
                   st->codec->codec_tag = imgfmt.bmiHeader.biCompression;
                   st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, imgfmt.bmiHeader.biCompression);
+                  if (st->codec->codec_id == CODEC_ID_RAWVIDEO && imgfmt.bmiHeader.biCompression== BI_RGB) {
+                    st->codec->extradata = av_malloc(9 + FF_INPUT_BUFFER_PADDING_SIZE);
+                    if (st->codec->extradata) {
+                      st->codec->extradata_size = 9;
+                      memcpy(st->codec->extradata, "BottomUp", 9);
+                    }
+                  }
+
 
                   st->duration = stream->info.dwLength;
                 }