[FFmpeg-cvslog] faan(i)dct: Kill some disabled code
Diego Biurrun
git at videolan.org
Sun Mar 19 17:00:44 EET 2017
ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Mon Aug 1 19:59:58 2016 +0200| [34c22a9ca656603428b2c3490d1339c5a5966961] | committer: Diego Biurrun
faan(i)dct: Kill some disabled code
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=34c22a9ca656603428b2c3490d1339c5a5966961
---
libavcodec/faandct.c | 20 ++------------------
libavcodec/faanidct.c | 9 ---------
2 files changed, 2 insertions(+), 27 deletions(-)
diff --git a/libavcodec/faandct.c b/libavcodec/faandct.c
index 4053d69..7888633 100644
--- a/libavcodec/faandct.c
+++ b/libavcodec/faandct.c
@@ -97,17 +97,9 @@ static av_always_inline void row_fdct(FLOAT temp[64], int16_t *data)
tmp5 += tmp6;
tmp6 += tmp7;
-#if 0
- {
- FLOAT z5;
- z5 = (tmp4 - tmp6) * A5;
- z2 = tmp4 * A2 + z5;
- z4 = tmp6 * A4 + z5;
- }
-#else
z2= tmp4*(A2+A5) - tmp6*A5;
z4= tmp6*(A4-A5) + tmp4*A5;
-#endif
+
tmp5*=A1;
z11= tmp7 + tmp5;
@@ -159,17 +151,9 @@ void ff_faandct(int16_t *data)
tmp5 += tmp6;
tmp6 += tmp7;
-#if 0
- {
- FLOAT z5;
- z5 = (tmp4 - tmp6) * A5;
- z2 = tmp4 * A2 + z5;
- z4 = tmp6 * A4 + z5;
- }
-#else
z2= tmp4*(A2+A5) - tmp6*A5;
z4= tmp6*(A4-A5) + tmp4*A5;
-#endif
+
tmp5*=A1;
z11= tmp7 + tmp5;
diff --git a/libavcodec/faanidct.c b/libavcodec/faanidct.c
index 2e9ce9c..b132f89 100644
--- a/libavcodec/faanidct.c
+++ b/libavcodec/faanidct.c
@@ -62,17 +62,8 @@ static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int s
od07= s17 + s53;
od25= (s17 - s53)*(2*A4);
-#if 0 //these 2 are equivalent
- {
- FLOAT tmp0;
- tmp0 = (d17 + d53) * (2 * A2);
- od34 = d17 * (2 * B6) - tmp0;
- od16 = d53 * (-2 * B2) + tmp0;
- }
-#else
od34= d17*(2*(B6-A2)) - d53*(2*A2);
od16= d53*(2*(A2-B2)) + d17*(2*A2);
-#endif
od16 -= od07;
od25 -= od16;
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