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authorMans Rullgard <mans@mansr.com>2012-08-11 21:04:14 +0100
committerMans Rullgard <mans@mansr.com>2012-08-13 01:03:25 +0100
commit69665bd6f40f02ecf822f80c05dd2765da2dfa7b (patch)
treef583a350cc2c251d32d1882561a17b9dea3c8a1c /libavcodec
parent138914dcd83132f6edc6f1799c5a17e0b6b559bb (diff)
downloadffmpeg-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.c42
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++) {