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audio: Fixed dst pointer on channel conversions that grow in-place.

This commit is contained in:
Ryan C. Gordon 2022-07-20 17:22:41 -04:00
parent 9f56c7cf02
commit bec721f08a
2 changed files with 29 additions and 29 deletions
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2
build-scripts/gen_audio_channel_conversion.c
View File

@ -266,7 +266,7 @@ static void write_converter(const int fromchans, const int tochans)
"{\n", remove_dots(fromstr), remove_dots(tostr));
if (convert_backwards) { /* must convert backwards when growing the output in-place. */
printf(" float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / %d) * %d)));\n", fromchans, tochans - 1);
printf(" float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / %d) * %d))) - %d;\n", fromchans, tochans, tochans);
printf(" const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - %d;\n", fromchans);
} else {
printf(" float *dst = (float *) cvt->buf;\n");

56
src/audio/SDL_audio_channel_converters.h
View File

@ -24,7 +24,7 @@
static void SDLCALL
SDL_ConvertMonoToStereo(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 1)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 2))) - 2;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -47,7 +47,7 @@ SDL_ConvertMonoToStereo(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoTo21(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 2)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 3))) - 3;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -71,7 +71,7 @@ SDL_ConvertMonoTo21(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 3)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 4))) - 4;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -96,7 +96,7 @@ SDL_ConvertMonoToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 4)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 5))) - 5;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -122,7 +122,7 @@ SDL_ConvertMonoTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 5)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 6))) - 6;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -149,7 +149,7 @@ SDL_ConvertMonoTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -177,7 +177,7 @@ SDL_ConvertMonoTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertMonoTo71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 1) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 1;
int i;
@ -226,7 +226,7 @@ SDL_ConvertStereoToMono(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoTo21(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 2)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 3))) - 3;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -249,7 +249,7 @@ SDL_ConvertStereoTo21(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 3)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 4))) - 4;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -273,7 +273,7 @@ SDL_ConvertStereoToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 4)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 5))) - 5;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -298,7 +298,7 @@ SDL_ConvertStereoTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 5)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 6))) - 6;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -324,7 +324,7 @@ SDL_ConvertStereoTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -351,7 +351,7 @@ SDL_ConvertStereoTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertStereoTo71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 2) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 2;
int i;
@ -421,7 +421,7 @@ SDL_Convert21ToStereo(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert21ToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 3)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 4))) - 4;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 3;
int i;
@ -446,7 +446,7 @@ SDL_Convert21ToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert21To41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 4)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 5))) - 5;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 3;
int i;
@ -471,7 +471,7 @@ SDL_Convert21To41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert21To51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 5)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 6))) - 6;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 3;
int i;
@ -497,7 +497,7 @@ SDL_Convert21To51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert21To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 3;
int i;
@ -524,7 +524,7 @@ SDL_Convert21To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert21To71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 3) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 3;
int i;
@ -619,7 +619,7 @@ SDL_ConvertQuadTo21(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertQuadTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 4)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 5))) - 5;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 4;
int i;
@ -644,7 +644,7 @@ SDL_ConvertQuadTo41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertQuadTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 5)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 6))) - 6;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 4;
int i;
@ -670,7 +670,7 @@ SDL_ConvertQuadTo51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertQuadTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 4;
int i;
@ -699,7 +699,7 @@ SDL_ConvertQuadTo61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_ConvertQuadTo71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 4) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 4;
int i;
@ -819,7 +819,7 @@ SDL_Convert41ToQuad(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert41To51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 5)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 6))) - 6;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 5;
int i;
@ -845,7 +845,7 @@ SDL_Convert41To51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert41To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 5;
int i;
@ -874,7 +874,7 @@ SDL_Convert41To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert41To71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 5) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 5;
int i;
@ -1022,7 +1022,7 @@ SDL_Convert51To41(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert51To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 6) * 6)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 6) * 7))) - 7;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 6;
int i;
@ -1051,7 +1051,7 @@ SDL_Convert51To61(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert51To71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 6) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 6) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 6;
int i;
@ -1235,7 +1235,7 @@ SDL_Convert61To51(SDL_AudioCVT *cvt, SDL_AudioFormat format)
static void SDLCALL
SDL_Convert61To71(SDL_AudioCVT *cvt, SDL_AudioFormat format)
{
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 7) * 7)));
float *dst = ((float *) (cvt->buf + ((cvt->len_cvt / 7) * 8))) - 8;
const float *src = ((const float *) (cvt->buf + cvt->len_cvt)) - 7;
int i;