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| author | Mans Rullgard <mans@mansr.com> | 2012-08-11 03:39:30 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-08-13 01:03:25 +0100 |
| commit | 1953264331ec653bff2e3d85391b91c0ea5299ae (patch) | |
| tree | c5d25bf08b704a48342953940219cd09f75f7265 | |
| parent | b2af2c4bee7eb9f256a9f4143ca90b020d2c9569 (diff) | |
| download | ffmpeg-1953264331ec653bff2e3d85391b91c0ea5299ae.tar.gz | |
g723.1: drop unnecessary variable buf_ptr in formant_postfilter()
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/g723_1.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c index 6f4898cfb9..a2f7dee4f4 100644 --- a/libavcodec/g723_1.c +++ b/libavcodec/g723_1.c @@ -926,7 +926,7 @@ static void gain_scale(G723_1_Context *p, int16_t * buf, int energy) */ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) { - int16_t filter_coef[2][LPC_ORDER], *buf_ptr; + int16_t filter_coef[2][LPC_ORDER]; int filter_signal[LPC_ORDER + FRAME_LEN], *signal_ptr; int i, j, k; @@ -949,7 +949,7 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) memcpy(p->iir_mem, filter_signal + FRAME_LEN, LPC_ORDER * sizeof(*p->iir_mem)); - buf_ptr = buf + LPC_ORDER; + buf += LPC_ORDER; signal_ptr = filter_signal + LPC_ORDER; for (i = 0; i < SUBFRAMES; i++) { int16_t temp_vector[SUBFRAME_LEN]; @@ -958,7 +958,7 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) int scale, energy; /* Normalize */ - scale = scale_vector(temp_vector, buf_ptr, SUBFRAME_LEN); + scale = scale_vector(temp_vector, buf, SUBFRAME_LEN); /* Compute auto correlation coefficients */ auto_corr[0] = dot_product(temp_vector, temp_vector + 1, @@ -975,8 +975,8 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) /* Compensation filter */ for (j = 0; j < SUBFRAME_LEN; j++) { - buf_ptr[j] = av_sat_dadd32(signal_ptr[j], - (signal_ptr[j - 1] >> 16) * temp) >> 16; + buf[j] = av_sat_dadd32(signal_ptr[j], + (signal_ptr[j - 1] >> 16) * temp) >> 16; } /* Compute normalized signal energy */ @@ -986,9 +986,9 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) } else energy = auto_corr[1] >> temp; - gain_scale(p, buf_ptr, energy); + gain_scale(p, buf, energy); - buf_ptr += SUBFRAME_LEN; + buf += SUBFRAME_LEN; signal_ptr += SUBFRAME_LEN; } } |