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@martin.st>

diff --git a/libavcodec/bfin/vp3_bfin.c b/libavcodec/bfin/vp3_bfin.c
index 4b57714ebaac583ab7e6d244b2bf521b87f7bddb..ee45e3cf71bfd44010d852ec9daad90ded7f9603 100644 (file)
--- 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;
+    }
 }