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author | Mans Rullgard <mans@mansr.com> | 2012-08-11 21:04:14 +0100 |
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committer | Mans Rullgard <mans@mansr.com> | 2012-08-13 01:03:25 +0100 |
commit | 69665bd6f40f02ecf822f80c05dd2765da2dfa7b (patch) | |
tree | f583a350cc2c251d32d1882561a17b9dea3c8a1c /libavcodec | |
parent | 138914dcd83132f6edc6f1799c5a17e0b6b559bb (diff) | |
download | ffmpeg-69665bd6f40f02ecf822f80c05dd2765da2dfa7b.tar.gz |
g723.1: do not pass large structs by value
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/g723_1.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c index 4c1c4dad66..37b7ff5f09 100644 --- a/libavcodec/g723_1.c +++ b/libavcodec/g723_1.c @@ -498,7 +498,7 @@ static void gen_dirac_train(int16_t *buf, int pitch_lag) * @param pitch_lag closed loop pitch lag * @param index current subframe index */ -static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe subfrm, +static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe *subfrm, enum Rate cur_rate, int pitch_lag, int index) { int temp, i, j; @@ -506,34 +506,34 @@ static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe subfrm, memset(vector, 0, SUBFRAME_LEN * sizeof(*vector)); if (cur_rate == RATE_6300) { - if (subfrm.pulse_pos >= max_pos[index]) + if (subfrm->pulse_pos >= max_pos[index]) return; /* Decode amplitudes and positions */ j = PULSE_MAX - pulses[index]; - temp = subfrm.pulse_pos; + temp = subfrm->pulse_pos; for (i = 0; i < SUBFRAME_LEN / GRID_SIZE; i++) { temp -= combinatorial_table[j][i]; if (temp >= 0) continue; temp += combinatorial_table[j++][i]; - if (subfrm.pulse_sign & (1 << (PULSE_MAX - j))) { - vector[subfrm.grid_index + GRID_SIZE * i] = - -fixed_cb_gain[subfrm.amp_index]; + if (subfrm->pulse_sign & (1 << (PULSE_MAX - j))) { + vector[subfrm->grid_index + GRID_SIZE * i] = + -fixed_cb_gain[subfrm->amp_index]; } else { - vector[subfrm.grid_index + GRID_SIZE * i] = - fixed_cb_gain[subfrm.amp_index]; + vector[subfrm->grid_index + GRID_SIZE * i] = + fixed_cb_gain[subfrm->amp_index]; } if (j == PULSE_MAX) break; } - if (subfrm.dirac_train == 1) + if (subfrm->dirac_train == 1) gen_dirac_train(vector, pitch_lag); } else { /* 5300 bps */ - int cb_gain = fixed_cb_gain[subfrm.amp_index]; - int cb_shift = subfrm.grid_index; - int cb_sign = subfrm.pulse_sign; - int cb_pos = subfrm.pulse_pos; + int cb_gain = fixed_cb_gain[subfrm->amp_index]; + int cb_shift = subfrm->grid_index; + int cb_sign = subfrm->pulse_sign; + int cb_pos = subfrm->pulse_pos; int offset, beta, lag; for (i = 0; i < 8; i += 2) { @@ -544,9 +544,9 @@ static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe subfrm, } /* Enhance harmonic components */ - lag = pitch_contrib[subfrm.ad_cb_gain << 1] + pitch_lag + - subfrm.ad_cb_lag - 1; - beta = pitch_contrib[(subfrm.ad_cb_gain << 1) + 1]; + lag = pitch_contrib[subfrm->ad_cb_gain << 1] + pitch_lag + + subfrm->ad_cb_lag - 1; + beta = pitch_contrib[(subfrm->ad_cb_gain << 1) + 1]; if (lag < SUBFRAME_LEN - 2) { for (i = lag; i < SUBFRAME_LEN; i++) @@ -586,12 +586,12 @@ static int dot_product(const int16_t *a, const int16_t *b, int length) * Generate adaptive codebook excitation. */ static void gen_acb_excitation(int16_t *vector, int16_t *prev_excitation, - int pitch_lag, G723_1_Subframe subfrm, + int pitch_lag, G723_1_Subframe *subfrm, enum Rate cur_rate) { int16_t residual[SUBFRAME_LEN + PITCH_ORDER - 1]; const int16_t *cb_ptr; - int lag = pitch_lag + subfrm.ad_cb_lag - 1; + int lag = pitch_lag + subfrm->ad_cb_lag - 1; int i; int sum; @@ -605,7 +605,7 @@ static void gen_acb_excitation(int16_t *vector, int16_t *prev_excitation, cb_ptr = adaptive_cb_gain170; /* Calculate adaptive vector */ - cb_ptr += subfrm.ad_cb_gain * 20; + cb_ptr += subfrm->ad_cb_gain * 20; for (i = 0; i < SUBFRAME_LEN; i++) { sum = dot_product(residual + i, cb_ptr, PITCH_ORDER); vector[i] = av_sat_dadd32(1 << 15, sum) >> 16; @@ -1057,10 +1057,10 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data, p->interp_gain = fixed_cb_gain[(p->subframe[2].amp_index + p->subframe[3].amp_index) >> 1]; for (i = 0; i < SUBFRAMES; i++) { - gen_fcb_excitation(vector_ptr, p->subframe[i], p->cur_rate, + gen_fcb_excitation(vector_ptr, &p->subframe[i], p->cur_rate, p->pitch_lag[i >> 1], i); gen_acb_excitation(acb_vector, &p->excitation[SUBFRAME_LEN * i], - p->pitch_lag[i >> 1], p->subframe[i], + p->pitch_lag[i >> 1], &p->subframe[i], p->cur_rate); /* Get the total excitation */ for (j = 0; j < SUBFRAME_LEN; j++) { |