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renderSamples optimization

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only render sample types which are used
stability remains to be tested
This commit is contained in:
tildearrow 2022-09-25 17:18:04 -05:00
parent 89ece073f6
commit 656de800cf
6 changed files with 119 additions and 96 deletions
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22
src/engine/sample.cpp
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@ -814,7 +814,9 @@ bool DivSample::resample(double r, int filter) {
return false;
}
void DivSample::render() {
#define NOT_IN_FORMAT(x) (depth!=x && formatMask&(1U<<(unsigned int)x))
void DivSample::render(unsigned int formatMask) {
// step 1: convert to 16-bit if needed
if (depth!=DIV_SAMPLE_DEPTH_16BIT) {
if (!initInternal(DIV_SAMPLE_DEPTH_16BIT,samples)) return;
@ -863,7 +865,7 @@ void DivSample::render() {
}
// step 2: render to other formats
if (depth!=DIV_SAMPLE_DEPTH_1BIT) { // 1-bit
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_1BIT)) { // 1-bit
if (!initInternal(DIV_SAMPLE_DEPTH_1BIT,samples)) return;
for (unsigned int i=0; i<samples; i++) {
if (data16[i]>0) {
@ -871,7 +873,7 @@ void DivSample::render() {
}
}
}
if (depth!=DIV_SAMPLE_DEPTH_1BIT_DPCM) { // DPCM
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_1BIT_DPCM)) { // DPCM
if (!initInternal(DIV_SAMPLE_DEPTH_1BIT_DPCM,samples)) return;
int accum=63;
for (unsigned int i=0; i<samples; i++) {
@ -886,34 +888,34 @@ void DivSample::render() {
if (accum>127) accum=127;
}
}
if (depth!=DIV_SAMPLE_DEPTH_YMZ_ADPCM) { // YMZ ADPCM
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_YMZ_ADPCM)) { // YMZ ADPCM
if (!initInternal(DIV_SAMPLE_DEPTH_YMZ_ADPCM,samples)) return;
ymz_encode(data16,dataZ,(samples+7)&(~0x7));
}
if (depth!=DIV_SAMPLE_DEPTH_QSOUND_ADPCM) { // QSound ADPCM
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_QSOUND_ADPCM)) { // QSound ADPCM
if (!initInternal(DIV_SAMPLE_DEPTH_QSOUND_ADPCM,samples)) return;
bs_encode(data16,dataQSoundA,samples);
}
// TODO: pad to 256.
if (depth!=DIV_SAMPLE_DEPTH_ADPCM_A) { // ADPCM-A
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_ADPCM_A)) { // ADPCM-A
if (!initInternal(DIV_SAMPLE_DEPTH_ADPCM_A,samples)) return;
yma_encode(data16,dataA,(samples+511)&(~0x1ff));
}
if (depth!=DIV_SAMPLE_DEPTH_ADPCM_B) { // ADPCM-B
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_ADPCM_B)) { // ADPCM-B
if (!initInternal(DIV_SAMPLE_DEPTH_ADPCM_B,samples)) return;
ymb_encode(data16,dataB,(samples+511)&(~0x1ff));
}
if (depth!=DIV_SAMPLE_DEPTH_8BIT) { // 8-bit PCM
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_8BIT)) { // 8-bit PCM
if (!initInternal(DIV_SAMPLE_DEPTH_8BIT,samples)) return;
for (unsigned int i=0; i<samples; i++) {
data8[i]=data16[i]>>8;
}
}
if (depth!=DIV_SAMPLE_DEPTH_BRR) { // BRR
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_BRR)) { // BRR
if (!initInternal(DIV_SAMPLE_DEPTH_BRR,samples)) return;
brrEncode(data16,dataBRR,(samples+15)&(~15),loop?loopStart:-1);
}
if (depth!=DIV_SAMPLE_DEPTH_VOX) { // VOX
if (NOT_IN_FORMAT(DIV_SAMPLE_DEPTH_VOX)) { // VOX
if (!initInternal(DIV_SAMPLE_DEPTH_VOX,samples)) return;
oki_encode(data16,dataVOX,samples);
}