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fix compiling with visual studio

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This commit is contained in:
Ian Curtis 2020-09-15 08:51:23 +00:00
parent 75f8ee61a3
commit c0729c1048
1 changed files with 8 additions and 8 deletions
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16
Src/OSD/SDL/Audio.cpp
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@ -246,8 +246,8 @@ bool OpenAudio()
return ErrorLog("Unable to open 44.1KHz 2-channel audio with SDL: %s\n", SDL_GetError()); return ErrorLog("Unable to open 44.1KHz 2-channel audio with SDL: %s\n", SDL_GetError());
// Create audio buffer // Create audio buffer
const constexpr uint32_t bufferSize = SAMPLE_RATE * BYTES_PER_SAMPLE * latency / MAX_LATENCY; constexpr uint32_t bufferSize = SAMPLE_RATE * BYTES_PER_SAMPLE * latency / MAX_LATENCY;
static_assert(bufferSize % BYTES_PER_SAMPLE == 0); // must be an integer multiple of the sample size static_assert(bufferSize % BYTES_PER_SAMPLE == 0, "must be an integer multiple of the sample size");
audioBufferSize = bufferSize; audioBufferSize = bufferSize;
int minBufferSize = 3 * BYTES_PER_FRAME; int minBufferSize = 3 * BYTES_PER_FRAME;
@ -262,12 +262,12 @@ bool OpenAudio()
// Set initial play position to be beginning of buffer and initial write position to be half-way into buffer // Set initial play position to be beginning of buffer and initial write position to be half-way into buffer
playPos = 0; playPos = 0;
const constexpr uint32_t endOfBuffer = bufferSize - BYTES_PER_FRAME; constexpr uint32_t endOfBuffer = bufferSize - BYTES_PER_FRAME;
const constexpr uint32_t midpointAfterFirstFrameUnaligned = BYTES_PER_FRAME + (bufferSize - BYTES_PER_FRAME) / 2; constexpr uint32_t midpointAfterFirstFrameUnaligned = BYTES_PER_FRAME + (bufferSize - BYTES_PER_FRAME) / 2;
const constexpr uint32_t extraPaddingNeeded = (BYTES_PER_SAMPLE - midpointAfterFirstFrameUnaligned % BYTES_PER_SAMPLE) % BYTES_PER_SAMPLE; constexpr uint32_t extraPaddingNeeded = (BYTES_PER_SAMPLE - midpointAfterFirstFrameUnaligned % BYTES_PER_SAMPLE) % BYTES_PER_SAMPLE;
const constexpr uint32_t midpointAfterFirstFrame = midpointAfterFirstFrameUnaligned + extraPaddingNeeded; constexpr uint32_t midpointAfterFirstFrame = midpointAfterFirstFrameUnaligned + extraPaddingNeeded;
static_assert(endOfBuffer % BYTES_PER_SAMPLE == 0); // make sure we are aligned to a sample boundary otherwise underrun/overrun adjustment will end up shifting playback by one channel causing stereo to flip static_assert(endOfBuffer % BYTES_PER_SAMPLE == 0, "make sure we are aligned to a sample boundary otherwise underrun/overrun adjustment will end up shifting playback by one channel causing stereo to flip");
static_assert(midpointAfterFirstFrame % BYTES_PER_SAMPLE == 0); static_assert(midpointAfterFirstFrame % BYTES_PER_SAMPLE == 0,"error");
writePos = std::min<int>(endOfBuffer, midpointAfterFirstFrame); writePos = std::min<int>(endOfBuffer, midpointAfterFirstFrame);
writeWrapped = false; writeWrapped = false;