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authorMichael Niedermayer <michaelni@gmx.at>2012-08-14 15:31:43 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-08-14 15:34:39 +0200
commit7427d1ca4ab202def24fc3cefc4401a351d7248c (patch)
treebe2cd06e1e5457daad74966a0155e86baa5e9086 /libavcodec/imc.c
parent0e05908c954ff64ef2fcb2a97ed083bc285282c1 (diff)
parent0d230e9312a676266bd6fa3478032db4860221a7 (diff)
downloadffmpeg-7427d1ca4ab202def24fc3cefc4401a351d7248c.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: g723.1: simplify scale_vector() g723.1: simplify normalize_bits() vda: cosmetics: fix Doxygen comment formatting vda: better frame allocation vda: Merge implementation into one file vda: support synchronous decoding vda: Reuse the bitstream buffer and reallocate it only if needed build: Factor out mpegvideo encoding dependencies to CONFIG_MPEGVIDEOENC avprobe: Include libm.h for the log2 fallback proresenc: use the edge emulation buffer rtmp: handle bytes read reports configure: Fix typo in mpeg2video/svq1 decoder dependency declaration Use log2(x) instead of log(x) / log(2) x86: swscale: fix fragile memory accesses x86: swscale: remove disabled code x86: yadif: fix asm with suncc x86: cabac: allow building with suncc x86: mlpdsp: avoid taking address of void ARM: intmath: use native-size return types for clipping functions Conflicts: configure ffprobe.c libavcodec/Makefile libavcodec/g723_1.c libavcodec/v210dec.h libavcodec/vda.h libavcodec/vda_h264.c libavcodec/x86/cabac.h libavfilter/x86/yadif_template.c libswscale/x86/rgb2rgb_template.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/imc.c')
-rw-r--r--libavcodec/imc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 76e23865d4..ba48df7460 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -342,7 +342,7 @@ static void imc_decode_level_coefficients(IMCContext *q, int *levlCoeffBuf,
// maybe some frequency division thingy
flcoeffs1[0] = 20000.0 / pow (2, levlCoeffBuf[0] * 0.18945); // 0.18945 = log2(10) * 0.05703125
- flcoeffs2[0] = log(flcoeffs1[0]) / log(2);
+ flcoeffs2[0] = log2f(flcoeffs1[0]);
tmp = flcoeffs1[0];
tmp2 = flcoeffs2[0];
@@ -414,7 +414,7 @@ static int bit_allocation(IMCContext *q, IMCChannel *chctx,
highest = FFMAX(highest, chctx->flcoeffs1[i]);
for (i = 0; i < BANDS - 1; i++)
- chctx->flcoeffs4[i] = chctx->flcoeffs3[i] - log(chctx->flcoeffs5[i]) / log(2);
+ chctx->flcoeffs4[i] = chctx->flcoeffs3[i] - log2f(chctx->flcoeffs5[i]);
chctx->flcoeffs4[BANDS - 1] = limit;
highest = highest * 0.25;