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spu2x: tentative fix for SDL 2.0.4

This commit is contained in:
Gregory Hainaut 2016-01-24 11:00:14 +01:00
parent 91362f938d
commit 90c5f0e1ae
1 changed files with 9 additions and 1 deletions
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10
plugins/spu2-x/src/SndOut_SDL.cpp
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@ -45,13 +45,19 @@ namespace {
std::unique_ptr<StereoOut_SDL[]> buffer;
void callback_fillBuffer(void *userdata, Uint8 *stream, int len) {
Uint16 sdl_samples = samples;
// Length should always be samples in bytes.
assert(len / sizeof(StereoOut_SDL) == samples);
#if SDL_MAJOR_VERSION >= 2
memset(stream, 0, len);
#if SDL_PATCHLEVEL >= 4
sdl_samples = len / sizeof(StereoOut_SDL);
#endif
#endif
for(Uint16 i = 0; i < samples; i += SndOutPacketSize)
for(Uint16 i = 0; i < sdl_samples; i += SndOutPacketSize)
SndBuffer::ReadSamples(&buffer[i]);
SDL_MixAudio(stream, (Uint8*) buffer.get() , len, SDL_MIX_MAXVOLUME);
}
@ -103,6 +109,8 @@ struct SDLAudioMod : public SndOutModule {
if(samples != spec.samples || buffer == NULL)
buffer = std::unique_ptr<StereoOut_SDL[]>(new StereoOut_SDL[spec.samples]);
if(samples != spec.samples) {
fprintf(stderr, "SPU2-X: SDL failed to get desired samples (%d) got %d samples instead\n", samples, spec.samples);
// Samples must always be a multiple of packet size.
assert(spec.samples % SndOutPacketSize == 0);
samples = spec.samples;