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Upgrade to SDL2.0.2 (8393682d9d96d1516831a397290cb34ceb82129f).

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This commit is contained in:
rude
2014-03-09 10:15:01 +01:00
parent 6b31c2b45e
commit 2fb789ce68
63 changed files with 1450 additions and 1159 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/SDL2/src/audio/SDL_audiocvt.c
+47 -7
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@@ -39,7 +39,9 @@ SDL_ConvertMono(SDL_AudioCVT * cvt, SDL_AudioFormat format)
#ifdef DEBUG_CONVERT
fprintf(stderr, "Converting to mono\n");
#endif
switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
switch (format & (SDL_AUDIO_MASK_SIGNED |
SDL_AUDIO_MASK_BITSIZE |
SDL_AUDIO_MASK_DATATYPE)) {
case AUDIO_U8:
{
Uint8 *src, *dst;
@@ -331,7 +333,9 @@ SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting stereo to surround\n");
#endif
switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
switch (format & (SDL_AUDIO_MASK_SIGNED |
SDL_AUDIO_MASK_BITSIZE |
SDL_AUDIO_MASK_DATATYPE)) {
case AUDIO_U8:
{
Uint8 *src, *dst, lf, rf, ce;
@@ -499,8 +503,8 @@ SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format)
case AUDIO_S32:
{
Sint32 lf, rf, ce;
const Uint32 *src = (const Uint32 *) cvt->buf + cvt->len_cvt;
Uint32 *dst = (Uint32 *) cvt->buf + cvt->len_cvt * 3;
const Uint32 *src = (const Uint32 *) (cvt->buf + cvt->len_cvt);
Uint32 *dst = (Uint32 *) (cvt->buf + cvt->len_cvt * 3);
if (SDL_AUDIO_ISBIGENDIAN(format)) {
for (i = cvt->len_cvt / 8; i; --i) {
@@ -537,8 +541,8 @@ SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format)
case AUDIO_F32:
{
float lf, rf, ce;
const float *src = (const float *) cvt->buf + cvt->len_cvt;
float *dst = (float *) cvt->buf + cvt->len_cvt * 3;
const float *src = (const float *) (cvt->buf + cvt->len_cvt);
float *dst = (float *) (cvt->buf + cvt->len_cvt * 3);
if (SDL_AUDIO_ISBIGENDIAN(format)) {
for (i = cvt->len_cvt / 8; i; --i) {
@@ -588,7 +592,9 @@ SDL_ConvertSurround_4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
fprintf(stderr, "Converting stereo to quad\n");
#endif
switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) {
switch (format & (SDL_AUDIO_MASK_SIGNED |
SDL_AUDIO_MASK_BITSIZE |
SDL_AUDIO_MASK_DATATYPE)) {
case AUDIO_U8:
{
Uint8 *src, *dst, lf, rf, ce;
@@ -762,6 +768,40 @@ SDL_ConvertSurround_4(SDL_AudioCVT * cvt, SDL_AudioFormat format)
}
}
break;
case AUDIO_F32:
{
const float *src = (const float *) (cvt->buf + cvt->len_cvt);
float *dst = (float *) (cvt->buf + cvt->len_cvt * 2);
float lf, rf, ce;
if (SDL_AUDIO_ISBIGENDIAN(format)) {
for (i = cvt->len_cvt / 8; i; --i) {
dst -= 4;
src -= 2;
lf = SDL_SwapFloatBE(src[0]);
rf = SDL_SwapFloatBE(src[1]);
ce = (lf / 2) + (rf / 2);
dst[0] = src[0];
dst[1] = src[1];
dst[2] = SDL_SwapFloatBE(lf - ce);
dst[3] = SDL_SwapFloatBE(rf - ce);
}
} else {
for (i = cvt->len_cvt / 8; i; --i) {
dst -= 4;
src -= 2;
lf = SDL_SwapFloatLE(src[0]);
rf = SDL_SwapFloatLE(src[1]);
ce = (lf / 2) + (rf / 2);
dst[0] = src[0];
dst[1] = src[1];
dst[2] = SDL_SwapFloatLE(lf - ce);
dst[3] = SDL_SwapFloatLE(rf - ce);
}
}
}
break;
}
cvt->len_cvt *= 2;
if (cvt->filters[++cvt->filter_index]) {