summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMåns Rullgård <mans@mansr.com>2008-07-13 12:23:02 +0000
committerMåns Rullgård <mans@mansr.com>2008-07-13 12:23:02 +0000
commit9ea583e1f6b02828e5c992143f2de5255e01840c (patch)
treedebf716af64ccec06a53ae0dd7c46f21259bfb8e
parentffa978f15779e304d442e335b0d0b5e53d864aef (diff)
mpegaudio: use MAC/MLS macros in ff_mpa_synth_filter
Originally committed as revision 14199 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/mpegaudiodec.c66
1 files changed, 35 insertions, 31 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 43d70f1dbd..0064fa2842 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -766,6 +766,8 @@ static inline int round_sample(int *sum)
/* signed 16x16 -> 32 multiply */
#define MULS(ra, rb) MUL16(ra, rb)
+#define MLSS(rt, ra, rb) MLS16(rt, ra, rb)
+
#else
static inline int round_sample(int64_t *sum)
@@ -781,47 +783,49 @@ static inline int round_sample(int64_t *sum)
}
# define MULS(ra, rb) MUL64(ra, rb)
+# define MACS(rt, ra, rb) MAC64(rt, ra, rb)
+# define MLSS(rt, ra, rb) MLS64(rt, ra, rb)
#endif
-#define SUM8(sum, op, w, p) \
-{ \
- sum op MULS((w)[0 * 64], p[0 * 64]);\
- sum op MULS((w)[1 * 64], p[1 * 64]);\
- sum op MULS((w)[2 * 64], p[2 * 64]);\
- sum op MULS((w)[3 * 64], p[3 * 64]);\
- sum op MULS((w)[4 * 64], p[4 * 64]);\
- sum op MULS((w)[5 * 64], p[5 * 64]);\
- sum op MULS((w)[6 * 64], p[6 * 64]);\
- sum op MULS((w)[7 * 64], p[7 * 64]);\
+#define SUM8(op, sum, w, p) \
+{ \
+ op(sum, (w)[0 * 64], p[0 * 64]); \
+ op(sum, (w)[1 * 64], p[1 * 64]); \
+ op(sum, (w)[2 * 64], p[2 * 64]); \
+ op(sum, (w)[3 * 64], p[3 * 64]); \
+ op(sum, (w)[4 * 64], p[4 * 64]); \
+ op(sum, (w)[5 * 64], p[5 * 64]); \
+ op(sum, (w)[6 * 64], p[6 * 64]); \
+ op(sum, (w)[7 * 64], p[7 * 64]); \
}
#define SUM8P2(sum1, op1, sum2, op2, w1, w2, p) \
{ \
int tmp;\
tmp = p[0 * 64];\
- sum1 op1 MULS((w1)[0 * 64], tmp);\
- sum2 op2 MULS((w2)[0 * 64], tmp);\
+ op1(sum1, (w1)[0 * 64], tmp);\
+ op2(sum2, (w2)[0 * 64], tmp);\
tmp = p[1 * 64];\
- sum1 op1 MULS((w1)[1 * 64], tmp);\
- sum2 op2 MULS((w2)[1 * 64], tmp);\
+ op1(sum1, (w1)[1 * 64], tmp);\
+ op2(sum2, (w2)[1 * 64], tmp);\
tmp = p[2 * 64];\
- sum1 op1 MULS((w1)[2 * 64], tmp);\
- sum2 op2 MULS((w2)[2 * 64], tmp);\
+ op1(sum1, (w1)[2 * 64], tmp);\
+ op2(sum2, (w2)[2 * 64], tmp);\
tmp = p[3 * 64];\
- sum1 op1 MULS((w1)[3 * 64], tmp);\
- sum2 op2 MULS((w2)[3 * 64], tmp);\
+ op1(sum1, (w1)[3 * 64], tmp);\
+ op2(sum2, (w2)[3 * 64], tmp);\
tmp = p[4 * 64];\
- sum1 op1 MULS((w1)[4 * 64], tmp);\
- sum2 op2 MULS((w2)[4 * 64], tmp);\
+ op1(sum1, (w1)[4 * 64], tmp);\
+ op2(sum2, (w2)[4 * 64], tmp);\
tmp = p[5 * 64];\
- sum1 op1 MULS((w1)[5 * 64], tmp);\
- sum2 op2 MULS((w2)[5 * 64], tmp);\
+ op1(sum1, (w1)[5 * 64], tmp);\
+ op2(sum2, (w2)[5 * 64], tmp);\
tmp = p[6 * 64];\
- sum1 op1 MULS((w1)[6 * 64], tmp);\
- sum2 op2 MULS((w2)[6 * 64], tmp);\
+ op1(sum1, (w1)[6 * 64], tmp);\
+ op2(sum2, (w2)[6 * 64], tmp);\
tmp = p[7 * 64];\
- sum1 op1 MULS((w1)[7 * 64], tmp);\
- sum2 op2 MULS((w2)[7 * 64], tmp);\
+ op1(sum1, (w1)[7 * 64], tmp);\
+ op2(sum2, (w2)[7 * 64], tmp);\
}
void ff_mpa_synth_init(MPA_INT *window)
@@ -885,9 +889,9 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
sum = *dither_state;
p = synth_buf + 16;
- SUM8(sum, +=, w, p);
+ SUM8(MACS, sum, w, p);
p = synth_buf + 48;
- SUM8(sum, -=, w + 32, p);
+ SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
@@ -897,9 +901,9 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
- SUM8P2(sum, +=, sum2, -=, w, w2, p);
+ SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
p = synth_buf + 48 - j;
- SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p);
+ SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
@@ -911,7 +915,7 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
}
p = synth_buf + 32;
- SUM8(sum, -=, w + 32, p);
+ SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;