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Fixed crashing loading 48KHz audio, contributed by Terry Welsh

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This commit is contained in:
Sam Lantinga 2010-09-18 18:15:08 -07:00
parent 200c3c74ab
commit 7fcd8b7560
2 changed files with 106 additions and 102 deletions
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200
src/audio/SDL_audiotypecvt.c
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@ -2308,7 +2308,7 @@ SDL_Upsample_U8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint8 *target = ((const Uint8 *) cvt->buf) - 1; const Uint8 *target = ((const Uint8 *) cvt->buf) - 1;
Uint8 sample0 = src[0]; Uint8 sample0 = src[0];
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = sample0; dst[0] = sample0;
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -2340,7 +2340,7 @@ SDL_Downsample_U8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize);
Uint8 sample0 = src[0]; Uint8 sample0 = src[0];
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2374,7 +2374,7 @@ SDL_Upsample_U8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 sample0 = src[0]; Uint8 sample0 = src[0];
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = sample1; dst[1] = sample1;
dst[0] = sample0; dst[0] = sample0;
dst -= 2; dst -= 2;
@ -2411,7 +2411,7 @@ SDL_Downsample_U8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 sample1 = src[1]; Uint8 sample1 = src[1];
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2452,7 +2452,7 @@ SDL_Upsample_U8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample2 = sample2; Uint8 last_sample2 = sample2;
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = sample3; dst[3] = sample3;
dst[2] = sample2; dst[2] = sample2;
dst[1] = sample1; dst[1] = sample1;
@ -2499,7 +2499,7 @@ SDL_Downsample_U8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
Uint8 last_sample2 = sample2; Uint8 last_sample2 = sample2;
Uint8 last_sample3 = sample3; Uint8 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2550,7 +2550,7 @@ SDL_Upsample_U8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample2 = sample2; Uint8 last_sample2 = sample2;
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = sample5; dst[5] = sample5;
dst[4] = sample4; dst[4] = sample4;
dst[3] = sample3; dst[3] = sample3;
@ -2607,7 +2607,7 @@ SDL_Downsample_U8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample3 = sample3; Uint8 last_sample3 = sample3;
Uint8 last_sample4 = sample4; Uint8 last_sample4 = sample4;
Uint8 last_sample5 = sample5; Uint8 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2668,7 +2668,7 @@ SDL_Upsample_U8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample2 = sample2; Uint8 last_sample2 = sample2;
Uint8 last_sample1 = sample1; Uint8 last_sample1 = sample1;
Uint8 last_sample0 = sample0; Uint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = sample7; dst[7] = sample7;
dst[6] = sample6; dst[6] = sample6;
dst[5] = sample5; dst[5] = sample5;
@ -2735,7 +2735,7 @@ SDL_Downsample_U8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint8 last_sample5 = sample5; Uint8 last_sample5 = sample5;
Uint8 last_sample6 = sample6; Uint8 last_sample6 = sample6;
Uint8 last_sample7 = sample7; Uint8 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2788,7 +2788,7 @@ SDL_Upsample_S8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint8 *target = ((const Sint8 *) cvt->buf) - 1; const Sint8 *target = ((const Sint8 *) cvt->buf) - 1;
Sint8 sample0 = ((Sint8) src[0]); Sint8 sample0 = ((Sint8) src[0]);
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = ((Sint8) sample0); dst[0] = ((Sint8) sample0);
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -2820,7 +2820,7 @@ SDL_Downsample_S8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize);
Sint8 sample0 = ((Sint8) src[0]); Sint8 sample0 = ((Sint8) src[0]);
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2854,7 +2854,7 @@ SDL_Upsample_S8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 sample0 = ((Sint8) src[0]); Sint8 sample0 = ((Sint8) src[0]);
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = ((Sint8) sample1); dst[1] = ((Sint8) sample1);
dst[0] = ((Sint8) sample0); dst[0] = ((Sint8) sample0);
dst -= 2; dst -= 2;
@ -2891,7 +2891,7 @@ SDL_Downsample_S8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 sample1 = ((Sint8) src[1]); Sint8 sample1 = ((Sint8) src[1]);
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -2932,7 +2932,7 @@ SDL_Upsample_S8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample2 = sample2; Sint8 last_sample2 = sample2;
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = ((Sint8) sample3); dst[3] = ((Sint8) sample3);
dst[2] = ((Sint8) sample2); dst[2] = ((Sint8) sample2);
dst[1] = ((Sint8) sample1); dst[1] = ((Sint8) sample1);
@ -2979,7 +2979,7 @@ SDL_Downsample_S8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
Sint8 last_sample2 = sample2; Sint8 last_sample2 = sample2;
Sint8 last_sample3 = sample3; Sint8 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3030,7 +3030,7 @@ SDL_Upsample_S8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample2 = sample2; Sint8 last_sample2 = sample2;
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = ((Sint8) sample5); dst[5] = ((Sint8) sample5);
dst[4] = ((Sint8) sample4); dst[4] = ((Sint8) sample4);
dst[3] = ((Sint8) sample3); dst[3] = ((Sint8) sample3);
@ -3087,7 +3087,7 @@ SDL_Downsample_S8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample3 = sample3; Sint8 last_sample3 = sample3;
Sint8 last_sample4 = sample4; Sint8 last_sample4 = sample4;
Sint8 last_sample5 = sample5; Sint8 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3148,7 +3148,7 @@ SDL_Upsample_S8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample2 = sample2; Sint8 last_sample2 = sample2;
Sint8 last_sample1 = sample1; Sint8 last_sample1 = sample1;
Sint8 last_sample0 = sample0; Sint8 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = ((Sint8) sample7); dst[7] = ((Sint8) sample7);
dst[6] = ((Sint8) sample6); dst[6] = ((Sint8) sample6);
dst[5] = ((Sint8) sample5); dst[5] = ((Sint8) sample5);
@ -3215,7 +3215,7 @@ SDL_Downsample_S8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint8 last_sample5 = sample5; Sint8 last_sample5 = sample5;
Sint8 last_sample6 = sample6; Sint8 last_sample6 = sample6;
Sint8 last_sample7 = sample7; Sint8 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3268,7 +3268,7 @@ SDL_Upsample_U16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; const Uint16 *target = ((const Uint16 *) cvt->buf) - 1;
Uint16 sample0 = SDL_SwapLE16(src[0]); Uint16 sample0 = SDL_SwapLE16(src[0]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = SDL_SwapLE16(sample0); dst[0] = SDL_SwapLE16(sample0);
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -3300,7 +3300,7 @@ SDL_Downsample_U16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize);
Uint16 sample0 = SDL_SwapLE16(src[0]); Uint16 sample0 = SDL_SwapLE16(src[0]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3334,7 +3334,7 @@ SDL_Upsample_U16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 sample0 = SDL_SwapLE16(src[0]); Uint16 sample0 = SDL_SwapLE16(src[0]);
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = SDL_SwapLE16(sample1); dst[1] = SDL_SwapLE16(sample1);
dst[0] = SDL_SwapLE16(sample0); dst[0] = SDL_SwapLE16(sample0);
dst -= 2; dst -= 2;
@ -3371,7 +3371,7 @@ SDL_Downsample_U16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 sample1 = SDL_SwapLE16(src[1]); Uint16 sample1 = SDL_SwapLE16(src[1]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3412,7 +3412,7 @@ SDL_Upsample_U16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = SDL_SwapLE16(sample3); dst[3] = SDL_SwapLE16(sample3);
dst[2] = SDL_SwapLE16(sample2); dst[2] = SDL_SwapLE16(sample2);
dst[1] = SDL_SwapLE16(sample1); dst[1] = SDL_SwapLE16(sample1);
@ -3459,7 +3459,7 @@ SDL_Downsample_U16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample3 = sample3; Uint16 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3510,7 +3510,7 @@ SDL_Upsample_U16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = SDL_SwapLE16(sample5); dst[5] = SDL_SwapLE16(sample5);
dst[4] = SDL_SwapLE16(sample4); dst[4] = SDL_SwapLE16(sample4);
dst[3] = SDL_SwapLE16(sample3); dst[3] = SDL_SwapLE16(sample3);
@ -3567,7 +3567,7 @@ SDL_Downsample_U16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample3 = sample3; Uint16 last_sample3 = sample3;
Uint16 last_sample4 = sample4; Uint16 last_sample4 = sample4;
Uint16 last_sample5 = sample5; Uint16 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3628,7 +3628,7 @@ SDL_Upsample_U16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = SDL_SwapLE16(sample7); dst[7] = SDL_SwapLE16(sample7);
dst[6] = SDL_SwapLE16(sample6); dst[6] = SDL_SwapLE16(sample6);
dst[5] = SDL_SwapLE16(sample5); dst[5] = SDL_SwapLE16(sample5);
@ -3695,7 +3695,7 @@ SDL_Downsample_U16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample5 = sample5; Uint16 last_sample5 = sample5;
Uint16 last_sample6 = sample6; Uint16 last_sample6 = sample6;
Uint16 last_sample7 = sample7; Uint16 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3748,7 +3748,7 @@ SDL_Upsample_S16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; const Sint16 *target = ((const Sint16 *) cvt->buf) - 1;
Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = ((Sint16) SDL_SwapLE16(sample0)); dst[0] = ((Sint16) SDL_SwapLE16(sample0));
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -3780,7 +3780,7 @@ SDL_Downsample_S16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize);
Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3814,7 +3814,7 @@ SDL_Upsample_S16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0]));
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = ((Sint16) SDL_SwapLE16(sample1)); dst[1] = ((Sint16) SDL_SwapLE16(sample1));
dst[0] = ((Sint16) SDL_SwapLE16(sample0)); dst[0] = ((Sint16) SDL_SwapLE16(sample0));
dst -= 2; dst -= 2;
@ -3851,7 +3851,7 @@ SDL_Downsample_S16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3892,7 +3892,7 @@ SDL_Upsample_S16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = ((Sint16) SDL_SwapLE16(sample3)); dst[3] = ((Sint16) SDL_SwapLE16(sample3));
dst[2] = ((Sint16) SDL_SwapLE16(sample2)); dst[2] = ((Sint16) SDL_SwapLE16(sample2));
dst[1] = ((Sint16) SDL_SwapLE16(sample1)); dst[1] = ((Sint16) SDL_SwapLE16(sample1));
@ -3939,7 +3939,7 @@ SDL_Downsample_S16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample3 = sample3; Sint16 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -3990,7 +3990,7 @@ SDL_Upsample_S16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = ((Sint16) SDL_SwapLE16(sample5)); dst[5] = ((Sint16) SDL_SwapLE16(sample5));
dst[4] = ((Sint16) SDL_SwapLE16(sample4)); dst[4] = ((Sint16) SDL_SwapLE16(sample4));
dst[3] = ((Sint16) SDL_SwapLE16(sample3)); dst[3] = ((Sint16) SDL_SwapLE16(sample3));
@ -4047,7 +4047,7 @@ SDL_Downsample_S16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample3 = sample3; Sint16 last_sample3 = sample3;
Sint16 last_sample4 = sample4; Sint16 last_sample4 = sample4;
Sint16 last_sample5 = sample5; Sint16 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4108,7 +4108,7 @@ SDL_Upsample_S16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = ((Sint16) SDL_SwapLE16(sample7)); dst[7] = ((Sint16) SDL_SwapLE16(sample7));
dst[6] = ((Sint16) SDL_SwapLE16(sample6)); dst[6] = ((Sint16) SDL_SwapLE16(sample6));
dst[5] = ((Sint16) SDL_SwapLE16(sample5)); dst[5] = ((Sint16) SDL_SwapLE16(sample5));
@ -4175,7 +4175,7 @@ SDL_Downsample_S16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample5 = sample5; Sint16 last_sample5 = sample5;
Sint16 last_sample6 = sample6; Sint16 last_sample6 = sample6;
Sint16 last_sample7 = sample7; Sint16 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4228,7 +4228,7 @@ SDL_Upsample_U16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; const Uint16 *target = ((const Uint16 *) cvt->buf) - 1;
Uint16 sample0 = SDL_SwapBE16(src[0]); Uint16 sample0 = SDL_SwapBE16(src[0]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = SDL_SwapBE16(sample0); dst[0] = SDL_SwapBE16(sample0);
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -4260,7 +4260,7 @@ SDL_Downsample_U16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize);
Uint16 sample0 = SDL_SwapBE16(src[0]); Uint16 sample0 = SDL_SwapBE16(src[0]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4294,7 +4294,7 @@ SDL_Upsample_U16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 sample0 = SDL_SwapBE16(src[0]); Uint16 sample0 = SDL_SwapBE16(src[0]);
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = SDL_SwapBE16(sample1); dst[1] = SDL_SwapBE16(sample1);
dst[0] = SDL_SwapBE16(sample0); dst[0] = SDL_SwapBE16(sample0);
dst -= 2; dst -= 2;
@ -4331,7 +4331,7 @@ SDL_Downsample_U16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 sample1 = SDL_SwapBE16(src[1]); Uint16 sample1 = SDL_SwapBE16(src[1]);
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4372,7 +4372,7 @@ SDL_Upsample_U16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = SDL_SwapBE16(sample3); dst[3] = SDL_SwapBE16(sample3);
dst[2] = SDL_SwapBE16(sample2); dst[2] = SDL_SwapBE16(sample2);
dst[1] = SDL_SwapBE16(sample1); dst[1] = SDL_SwapBE16(sample1);
@ -4419,7 +4419,7 @@ SDL_Downsample_U16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample3 = sample3; Uint16 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4470,7 +4470,7 @@ SDL_Upsample_U16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = SDL_SwapBE16(sample5); dst[5] = SDL_SwapBE16(sample5);
dst[4] = SDL_SwapBE16(sample4); dst[4] = SDL_SwapBE16(sample4);
dst[3] = SDL_SwapBE16(sample3); dst[3] = SDL_SwapBE16(sample3);
@ -4527,7 +4527,7 @@ SDL_Downsample_U16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample3 = sample3; Uint16 last_sample3 = sample3;
Uint16 last_sample4 = sample4; Uint16 last_sample4 = sample4;
Uint16 last_sample5 = sample5; Uint16 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4588,7 +4588,7 @@ SDL_Upsample_U16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample2 = sample2; Uint16 last_sample2 = sample2;
Uint16 last_sample1 = sample1; Uint16 last_sample1 = sample1;
Uint16 last_sample0 = sample0; Uint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = SDL_SwapBE16(sample7); dst[7] = SDL_SwapBE16(sample7);
dst[6] = SDL_SwapBE16(sample6); dst[6] = SDL_SwapBE16(sample6);
dst[5] = SDL_SwapBE16(sample5); dst[5] = SDL_SwapBE16(sample5);
@ -4655,7 +4655,7 @@ SDL_Downsample_U16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Uint16 last_sample5 = sample5; Uint16 last_sample5 = sample5;
Uint16 last_sample6 = sample6; Uint16 last_sample6 = sample6;
Uint16 last_sample7 = sample7; Uint16 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4708,7 +4708,7 @@ SDL_Upsample_S16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; const Sint16 *target = ((const Sint16 *) cvt->buf) - 1;
Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = ((Sint16) SDL_SwapBE16(sample0)); dst[0] = ((Sint16) SDL_SwapBE16(sample0));
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -4740,7 +4740,7 @@ SDL_Downsample_S16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize);
Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4774,7 +4774,7 @@ SDL_Upsample_S16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0]));
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = ((Sint16) SDL_SwapBE16(sample1)); dst[1] = ((Sint16) SDL_SwapBE16(sample1));
dst[0] = ((Sint16) SDL_SwapBE16(sample0)); dst[0] = ((Sint16) SDL_SwapBE16(sample0));
dst -= 2; dst -= 2;
@ -4811,7 +4811,7 @@ SDL_Downsample_S16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1]));
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4852,7 +4852,7 @@ SDL_Upsample_S16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = ((Sint16) SDL_SwapBE16(sample3)); dst[3] = ((Sint16) SDL_SwapBE16(sample3));
dst[2] = ((Sint16) SDL_SwapBE16(sample2)); dst[2] = ((Sint16) SDL_SwapBE16(sample2));
dst[1] = ((Sint16) SDL_SwapBE16(sample1)); dst[1] = ((Sint16) SDL_SwapBE16(sample1));
@ -4899,7 +4899,7 @@ SDL_Downsample_S16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample3 = sample3; Sint16 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -4950,7 +4950,7 @@ SDL_Upsample_S16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = ((Sint16) SDL_SwapBE16(sample5)); dst[5] = ((Sint16) SDL_SwapBE16(sample5));
dst[4] = ((Sint16) SDL_SwapBE16(sample4)); dst[4] = ((Sint16) SDL_SwapBE16(sample4));
dst[3] = ((Sint16) SDL_SwapBE16(sample3)); dst[3] = ((Sint16) SDL_SwapBE16(sample3));
@ -5007,7 +5007,7 @@ SDL_Downsample_S16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample3 = sample3; Sint16 last_sample3 = sample3;
Sint16 last_sample4 = sample4; Sint16 last_sample4 = sample4;
Sint16 last_sample5 = sample5; Sint16 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5068,7 +5068,7 @@ SDL_Upsample_S16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample2 = sample2; Sint16 last_sample2 = sample2;
Sint16 last_sample1 = sample1; Sint16 last_sample1 = sample1;
Sint16 last_sample0 = sample0; Sint16 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = ((Sint16) SDL_SwapBE16(sample7)); dst[7] = ((Sint16) SDL_SwapBE16(sample7));
dst[6] = ((Sint16) SDL_SwapBE16(sample6)); dst[6] = ((Sint16) SDL_SwapBE16(sample6));
dst[5] = ((Sint16) SDL_SwapBE16(sample5)); dst[5] = ((Sint16) SDL_SwapBE16(sample5));
@ -5135,7 +5135,7 @@ SDL_Downsample_S16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint16 last_sample5 = sample5; Sint16 last_sample5 = sample5;
Sint16 last_sample6 = sample6; Sint16 last_sample6 = sample6;
Sint16 last_sample7 = sample7; Sint16 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5188,7 +5188,7 @@ SDL_Upsample_S32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; const Sint32 *target = ((const Sint32 *) cvt->buf) - 1;
Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = ((Sint32) SDL_SwapLE32(sample0)); dst[0] = ((Sint32) SDL_SwapLE32(sample0));
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -5220,7 +5220,7 @@ SDL_Downsample_S32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize);
Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5254,7 +5254,7 @@ SDL_Upsample_S32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0]));
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = ((Sint32) SDL_SwapLE32(sample1)); dst[1] = ((Sint32) SDL_SwapLE32(sample1));
dst[0] = ((Sint32) SDL_SwapLE32(sample0)); dst[0] = ((Sint32) SDL_SwapLE32(sample0));
dst -= 2; dst -= 2;
@ -5291,7 +5291,7 @@ SDL_Downsample_S32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5332,7 +5332,7 @@ SDL_Upsample_S32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = ((Sint32) SDL_SwapLE32(sample3)); dst[3] = ((Sint32) SDL_SwapLE32(sample3));
dst[2] = ((Sint32) SDL_SwapLE32(sample2)); dst[2] = ((Sint32) SDL_SwapLE32(sample2));
dst[1] = ((Sint32) SDL_SwapLE32(sample1)); dst[1] = ((Sint32) SDL_SwapLE32(sample1));
@ -5379,7 +5379,7 @@ SDL_Downsample_S32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample3 = sample3; Sint32 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5430,7 +5430,7 @@ SDL_Upsample_S32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = ((Sint32) SDL_SwapLE32(sample5)); dst[5] = ((Sint32) SDL_SwapLE32(sample5));
dst[4] = ((Sint32) SDL_SwapLE32(sample4)); dst[4] = ((Sint32) SDL_SwapLE32(sample4));
dst[3] = ((Sint32) SDL_SwapLE32(sample3)); dst[3] = ((Sint32) SDL_SwapLE32(sample3));
@ -5487,7 +5487,7 @@ SDL_Downsample_S32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample3 = sample3; Sint32 last_sample3 = sample3;
Sint32 last_sample4 = sample4; Sint32 last_sample4 = sample4;
Sint32 last_sample5 = sample5; Sint32 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5548,7 +5548,7 @@ SDL_Upsample_S32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = ((Sint32) SDL_SwapLE32(sample7)); dst[7] = ((Sint32) SDL_SwapLE32(sample7));
dst[6] = ((Sint32) SDL_SwapLE32(sample6)); dst[6] = ((Sint32) SDL_SwapLE32(sample6));
dst[5] = ((Sint32) SDL_SwapLE32(sample5)); dst[5] = ((Sint32) SDL_SwapLE32(sample5));
@ -5615,7 +5615,7 @@ SDL_Downsample_S32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample5 = sample5; Sint32 last_sample5 = sample5;
Sint32 last_sample6 = sample6; Sint32 last_sample6 = sample6;
Sint32 last_sample7 = sample7; Sint32 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5668,7 +5668,7 @@ SDL_Upsample_S32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; const Sint32 *target = ((const Sint32 *) cvt->buf) - 1;
Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = ((Sint32) SDL_SwapBE32(sample0)); dst[0] = ((Sint32) SDL_SwapBE32(sample0));
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -5700,7 +5700,7 @@ SDL_Downsample_S32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize);
Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5734,7 +5734,7 @@ SDL_Upsample_S32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0]));
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = ((Sint32) SDL_SwapBE32(sample1)); dst[1] = ((Sint32) SDL_SwapBE32(sample1));
dst[0] = ((Sint32) SDL_SwapBE32(sample0)); dst[0] = ((Sint32) SDL_SwapBE32(sample0));
dst -= 2; dst -= 2;
@ -5771,7 +5771,7 @@ SDL_Downsample_S32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1]));
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5812,7 +5812,7 @@ SDL_Upsample_S32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = ((Sint32) SDL_SwapBE32(sample3)); dst[3] = ((Sint32) SDL_SwapBE32(sample3));
dst[2] = ((Sint32) SDL_SwapBE32(sample2)); dst[2] = ((Sint32) SDL_SwapBE32(sample2));
dst[1] = ((Sint32) SDL_SwapBE32(sample1)); dst[1] = ((Sint32) SDL_SwapBE32(sample1));
@ -5859,7 +5859,7 @@ SDL_Downsample_S32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample3 = sample3; Sint32 last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -5910,7 +5910,7 @@ SDL_Upsample_S32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = ((Sint32) SDL_SwapBE32(sample5)); dst[5] = ((Sint32) SDL_SwapBE32(sample5));
dst[4] = ((Sint32) SDL_SwapBE32(sample4)); dst[4] = ((Sint32) SDL_SwapBE32(sample4));
dst[3] = ((Sint32) SDL_SwapBE32(sample3)); dst[3] = ((Sint32) SDL_SwapBE32(sample3));
@ -5967,7 +5967,7 @@ SDL_Downsample_S32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample3 = sample3; Sint32 last_sample3 = sample3;
Sint32 last_sample4 = sample4; Sint32 last_sample4 = sample4;
Sint32 last_sample5 = sample5; Sint32 last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6028,7 +6028,7 @@ SDL_Upsample_S32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample2 = sample2; Sint32 last_sample2 = sample2;
Sint32 last_sample1 = sample1; Sint32 last_sample1 = sample1;
Sint32 last_sample0 = sample0; Sint32 last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = ((Sint32) SDL_SwapBE32(sample7)); dst[7] = ((Sint32) SDL_SwapBE32(sample7));
dst[6] = ((Sint32) SDL_SwapBE32(sample6)); dst[6] = ((Sint32) SDL_SwapBE32(sample6));
dst[5] = ((Sint32) SDL_SwapBE32(sample5)); dst[5] = ((Sint32) SDL_SwapBE32(sample5));
@ -6095,7 +6095,7 @@ SDL_Downsample_S32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
Sint32 last_sample5 = sample5; Sint32 last_sample5 = sample5;
Sint32 last_sample6 = sample6; Sint32 last_sample6 = sample6;
Sint32 last_sample7 = sample7; Sint32 last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6148,7 +6148,7 @@ SDL_Upsample_F32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const float *target = ((const float *) cvt->buf) - 1; const float *target = ((const float *) cvt->buf) - 1;
float sample0 = SDL_SwapFloatLE(src[0]); float sample0 = SDL_SwapFloatLE(src[0]);
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = SDL_SwapFloatLE(sample0); dst[0] = SDL_SwapFloatLE(sample0);
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -6180,7 +6180,7 @@ SDL_Downsample_F32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const float *target = (const float *) (cvt->buf + dstsize); const float *target = (const float *) (cvt->buf + dstsize);
float sample0 = SDL_SwapFloatLE(src[0]); float sample0 = SDL_SwapFloatLE(src[0]);
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6214,7 +6214,7 @@ SDL_Upsample_F32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float sample0 = SDL_SwapFloatLE(src[0]); float sample0 = SDL_SwapFloatLE(src[0]);
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = SDL_SwapFloatLE(sample1); dst[1] = SDL_SwapFloatLE(sample1);
dst[0] = SDL_SwapFloatLE(sample0); dst[0] = SDL_SwapFloatLE(sample0);
dst -= 2; dst -= 2;
@ -6251,7 +6251,7 @@ SDL_Downsample_F32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float sample1 = SDL_SwapFloatLE(src[1]); float sample1 = SDL_SwapFloatLE(src[1]);
float last_sample0 = sample0; float last_sample0 = sample0;
float last_sample1 = sample1; float last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6292,7 +6292,7 @@ SDL_Upsample_F32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = SDL_SwapFloatLE(sample3); dst[3] = SDL_SwapFloatLE(sample3);
dst[2] = SDL_SwapFloatLE(sample2); dst[2] = SDL_SwapFloatLE(sample2);
dst[1] = SDL_SwapFloatLE(sample1); dst[1] = SDL_SwapFloatLE(sample1);
@ -6339,7 +6339,7 @@ SDL_Downsample_F32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample3 = sample3; float last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6390,7 +6390,7 @@ SDL_Upsample_F32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = SDL_SwapFloatLE(sample5); dst[5] = SDL_SwapFloatLE(sample5);
dst[4] = SDL_SwapFloatLE(sample4); dst[4] = SDL_SwapFloatLE(sample4);
dst[3] = SDL_SwapFloatLE(sample3); dst[3] = SDL_SwapFloatLE(sample3);
@ -6447,7 +6447,7 @@ SDL_Downsample_F32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample3 = sample3; float last_sample3 = sample3;
float last_sample4 = sample4; float last_sample4 = sample4;
float last_sample5 = sample5; float last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6508,7 +6508,7 @@ SDL_Upsample_F32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = SDL_SwapFloatLE(sample7); dst[7] = SDL_SwapFloatLE(sample7);
dst[6] = SDL_SwapFloatLE(sample6); dst[6] = SDL_SwapFloatLE(sample6);
dst[5] = SDL_SwapFloatLE(sample5); dst[5] = SDL_SwapFloatLE(sample5);
@ -6575,7 +6575,7 @@ SDL_Downsample_F32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample5 = sample5; float last_sample5 = sample5;
float last_sample6 = sample6; float last_sample6 = sample6;
float last_sample7 = sample7; float last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6628,7 +6628,7 @@ SDL_Upsample_F32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const float *target = ((const float *) cvt->buf) - 1; const float *target = ((const float *) cvt->buf) - 1;
float sample0 = SDL_SwapFloatBE(src[0]); float sample0 = SDL_SwapFloatBE(src[0]);
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[0] = SDL_SwapFloatBE(sample0); dst[0] = SDL_SwapFloatBE(sample0);
dst--; dst--;
eps += srcsize; eps += srcsize;
@ -6660,7 +6660,7 @@ SDL_Downsample_F32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
const float *target = (const float *) (cvt->buf + dstsize); const float *target = (const float *) (cvt->buf + dstsize);
float sample0 = SDL_SwapFloatBE(src[0]); float sample0 = SDL_SwapFloatBE(src[0]);
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst < target) {
src++; src++;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6694,7 +6694,7 @@ SDL_Upsample_F32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float sample0 = SDL_SwapFloatBE(src[0]); float sample0 = SDL_SwapFloatBE(src[0]);
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[1] = SDL_SwapFloatBE(sample1); dst[1] = SDL_SwapFloatBE(sample1);
dst[0] = SDL_SwapFloatBE(sample0); dst[0] = SDL_SwapFloatBE(sample0);
dst -= 2; dst -= 2;
@ -6731,7 +6731,7 @@ SDL_Downsample_F32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float sample1 = SDL_SwapFloatBE(src[1]); float sample1 = SDL_SwapFloatBE(src[1]);
float last_sample0 = sample0; float last_sample0 = sample0;
float last_sample1 = sample1; float last_sample1 = sample1;
while (dst != target) { while (dst < target) {
src += 2; src += 2;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6772,7 +6772,7 @@ SDL_Upsample_F32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[3] = SDL_SwapFloatBE(sample3); dst[3] = SDL_SwapFloatBE(sample3);
dst[2] = SDL_SwapFloatBE(sample2); dst[2] = SDL_SwapFloatBE(sample2);
dst[1] = SDL_SwapFloatBE(sample1); dst[1] = SDL_SwapFloatBE(sample1);
@ -6819,7 +6819,7 @@ SDL_Downsample_F32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample3 = sample3; float last_sample3 = sample3;
while (dst != target) { while (dst < target) {
src += 4; src += 4;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6870,7 +6870,7 @@ SDL_Upsample_F32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[5] = SDL_SwapFloatBE(sample5); dst[5] = SDL_SwapFloatBE(sample5);
dst[4] = SDL_SwapFloatBE(sample4); dst[4] = SDL_SwapFloatBE(sample4);
dst[3] = SDL_SwapFloatBE(sample3); dst[3] = SDL_SwapFloatBE(sample3);
@ -6927,7 +6927,7 @@ SDL_Downsample_F32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample3 = sample3; float last_sample3 = sample3;
float last_sample4 = sample4; float last_sample4 = sample4;
float last_sample5 = sample5; float last_sample5 = sample5;
while (dst != target) { while (dst < target) {
src += 6; src += 6;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {
@ -6988,7 +6988,7 @@ SDL_Upsample_F32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample2 = sample2; float last_sample2 = sample2;
float last_sample1 = sample1; float last_sample1 = sample1;
float last_sample0 = sample0; float last_sample0 = sample0;
while (dst != target) { while (dst > target) {
dst[7] = SDL_SwapFloatBE(sample7); dst[7] = SDL_SwapFloatBE(sample7);
dst[6] = SDL_SwapFloatBE(sample6); dst[6] = SDL_SwapFloatBE(sample6);
dst[5] = SDL_SwapFloatBE(sample5); dst[5] = SDL_SwapFloatBE(sample5);
@ -7055,7 +7055,7 @@ SDL_Downsample_F32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format)
float last_sample5 = sample5; float last_sample5 = sample5;
float last_sample6 = sample6; float last_sample6 = sample6;
float last_sample7 = sample7; float last_sample7 = sample7;
while (dst != target) { while (dst < target) {
src += 8; src += 8;
eps += dstsize; eps += dstsize;
if ((eps << 1) >= srcsize) { if ((eps << 1) >= srcsize) {

8
src/audio/sdlgenaudiocvt.pl
View file

@ -38,7 +38,7 @@ sub outputHeader {
/* DO NOT EDIT! This file is generated by sdlgenaudiocvt.pl */ /* DO NOT EDIT! This file is generated by sdlgenaudiocvt.pl */
/* /*
SDL - Simple DirectMedia Layer SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 Sam Lantinga Copyright (C) 1997-2010 Sam Lantinga
This library is free software; you can redistribute it and/or This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public modify it under the terms of the GNU Lesser General Public
@ -400,15 +400,19 @@ ${sym}(SDL_AudioCVT * cvt, SDL_AudioFormat format)
register int eps = 0; register int eps = 0;
EOF EOF
my $endcomparison = '!=';
# Upsampling (growing the buffer) needs to work backwards, since we # Upsampling (growing the buffer) needs to work backwards, since we
# overwrite the buffer as we go. # overwrite the buffer as we go.
if ($upsample) { if ($upsample) {
$endcomparison = '>'; # dst > target
print <<EOF; print <<EOF;
$fctype *dst = (($fctype *) (cvt->buf + dstsize)) - $channels; $fctype *dst = (($fctype *) (cvt->buf + dstsize)) - $channels;
const $fctype *src = (($fctype *) (cvt->buf + cvt->len_cvt)) - $channels; const $fctype *src = (($fctype *) (cvt->buf + cvt->len_cvt)) - $channels;
const $fctype *target = ((const $fctype *) cvt->buf) - $channels; const $fctype *target = ((const $fctype *) cvt->buf) - $channels;
EOF EOF
} else { } else {
$endcomparison = '<'; # dst < target
print <<EOF; print <<EOF;
$fctype *dst = ($fctype *) cvt->buf; $fctype *dst = ($fctype *) cvt->buf;
const $fctype *src = ($fctype *) cvt->buf; const $fctype *src = ($fctype *) cvt->buf;
@ -432,7 +436,7 @@ EOF
} }
print <<EOF; print <<EOF;
while (dst != target) { while (dst $endcomparison target) {
EOF EOF
if ($upsample) { if ($upsample) {