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Fix errors with channel mixing when increasing the channel count.

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This commit is contained in:
David Reid
2018-01-26 06:27:52 +10:00
parent bd744e7ed7
commit 679ae6de6c
1 changed files with 20 additions and 20 deletions
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mini_al.h
+20 -20
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@@ -10760,7 +10760,7 @@ static void mal_dsp_mix_channels__inc(float* pFramesOut, mal_uint32 channelsOut,
(void)channelMapOut;
(void)channelMapIn;
if (mode == mal_channel_mix_mode_basic) {\
if (mode == mal_channel_mix_mode_basic) {
// Basic mode is where we just zero out extra channels.
for (mal_uint32 iFrame = 0; iFrame < frameCount; ++iFrame) {
switch (channelsIn) {
@@ -10785,23 +10785,23 @@ static void mal_dsp_mix_channels__inc(float* pFramesOut, mal_uint32 channelsOut,
// Zero out extra channels.
switch (channelsOut - channelsIn) {
case 17: pFramesOut[iFrame*channelsOut+16] = 0;
case 16: pFramesOut[iFrame*channelsOut+15] = 0;
case 15: pFramesOut[iFrame*channelsOut+14] = 0;
case 14: pFramesOut[iFrame*channelsOut+13] = 0;
case 13: pFramesOut[iFrame*channelsOut+12] = 0;
case 12: pFramesOut[iFrame*channelsOut+11] = 0;
case 11: pFramesOut[iFrame*channelsOut+10] = 0;
case 10: pFramesOut[iFrame*channelsOut+ 9] = 0;
case 9: pFramesOut[iFrame*channelsOut+ 8] = 0;
case 8: pFramesOut[iFrame*channelsOut+ 7] = 0;
case 7: pFramesOut[iFrame*channelsOut+ 6] = 0;
case 6: pFramesOut[iFrame*channelsOut+ 5] = 0;
case 5: pFramesOut[iFrame*channelsOut+ 4] = 0;
case 4: pFramesOut[iFrame*channelsOut+ 3] = 0;
case 3: pFramesOut[iFrame*channelsOut+ 2] = 0;
case 2: pFramesOut[iFrame*channelsOut+ 1] = 0;
case 1: pFramesOut[iFrame*channelsOut+ 0] = 0;
case 17: pFramesOut[iFrame*channelsOut+16 + channelsIn] = 0;
case 16: pFramesOut[iFrame*channelsOut+15 + channelsIn] = 0;
case 15: pFramesOut[iFrame*channelsOut+14 + channelsIn] = 0;
case 14: pFramesOut[iFrame*channelsOut+13 + channelsIn] = 0;
case 13: pFramesOut[iFrame*channelsOut+12 + channelsIn] = 0;
case 12: pFramesOut[iFrame*channelsOut+11 + channelsIn] = 0;
case 11: pFramesOut[iFrame*channelsOut+10 + channelsIn] = 0;
case 10: pFramesOut[iFrame*channelsOut+ 9 + channelsIn] = 0;
case 9: pFramesOut[iFrame*channelsOut+ 8 + channelsIn] = 0;
case 8: pFramesOut[iFrame*channelsOut+ 7 + channelsIn] = 0;
case 7: pFramesOut[iFrame*channelsOut+ 6 + channelsIn] = 0;
case 6: pFramesOut[iFrame*channelsOut+ 5 + channelsIn] = 0;
case 5: pFramesOut[iFrame*channelsOut+ 4 + channelsIn] = 0;
case 4: pFramesOut[iFrame*channelsOut+ 3 + channelsIn] = 0;
case 3: pFramesOut[iFrame*channelsOut+ 2 + channelsIn] = 0;
case 2: pFramesOut[iFrame*channelsOut+ 1 + channelsIn] = 0;
case 1: pFramesOut[iFrame*channelsOut+ 0 + channelsIn] = 0;
}
}
} else {
@@ -10832,10 +10832,10 @@ static void mal_dsp_mix_channels__inc(float* pFramesOut, mal_uint32 channelsOut,
}
} else if (channelsIn == 2) {
// TODO: Implement an optimized stereo conversion.
mal_dsp_mix_channels__dec(pFramesOut, channelsOut, channelMapOut, pFramesIn, channelsIn, channelMapIn, frameCount, mal_channel_mix_mode_basic);
mal_dsp_mix_channels__inc(pFramesOut, channelsOut, channelMapOut, pFramesIn, channelsIn, channelMapIn, frameCount, mal_channel_mix_mode_basic);
} else {
// Fall back to basic mixing mode.
mal_dsp_mix_channels__dec(pFramesOut, channelsOut, channelMapOut, pFramesIn, channelsIn, channelMapIn, frameCount, mal_channel_mix_mode_basic);
mal_dsp_mix_channels__inc(pFramesOut, channelsOut, channelMapOut, pFramesIn, channelsIn, channelMapIn, frameCount, mal_channel_mix_mode_basic);
}
}
}