[FFmpeg-cvslog] bfin: Don't use the vp3 idct functions if bitexact behaviour is expected

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Wed Apr  3 03:56:33 2013 -0700| [aa8d89536d35af0a0c8d8bac2b452ffe7b82cae5] | committer: Martin Storsjö

bfin: Don't use the vp3 idct functions if bitexact behaviour is expected

In the non-bitexact mode, vp3 currently decodes to the same
frame crcs as before 28f9ab702 (and the output visually looks
correct).

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aa8d89536d35af0a0c8d8bac2b452ffe7b82cae5
---

 libavcodec/bfin/vp3_bfin.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/bfin/vp3_bfin.c b/libavcodec/bfin/vp3_bfin.c
index 4b57714..ee45e3c 100644
--- a/libavcodec/bfin/vp3_bfin.c
+++ b/libavcodec/bfin/vp3_bfin.c
@@ -53,6 +53,8 @@ void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, int16_t *block)
 
 av_cold void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags)
 {
-    c->idct_add = ff_bfin_vp3_idct_add;
-    c->idct_put = ff_bfin_vp3_idct_put;
+    if (!(flags & CODEC_FLAG_BITEXACT)) {
+        c->idct_add = ff_bfin_vp3_idct_add;
+        c->idct_put = ff_bfin_vp3_idct_put;
+    }
 }