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cleanup/sync the main loop of *_OpenDevice functions to pick audio format

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pionere
2022-01-20 12:18:59 +01:00
committed by Ryan C. Gordon
parent 3939ef72f8
commit 2eafe4340c
18 changed files with 186 additions and 307 deletions
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15
src/audio/os2/SDL_os2audio.c
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@@ -251,7 +251,7 @@ static void OS2_CloseDevice(_THIS)
static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
{
SDL_PrivateAudioData *pAData;
SDL_AudioFormat SDLAudioFmt;
SDL_AudioFormat test_format;
MCI_AMP_OPEN_PARMS stMCIAmpOpen;
MCI_BUFFER_PARMS stMCIBuffer;
ULONG ulRC;
@@ -263,14 +263,13 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
SDL_zero(stMCIAmpOpen);
SDL_zero(stMCIBuffer);
for (SDLAudioFmt = SDL_FirstAudioFormat(_this->spec.format);
SDLAudioFmt != 0; SDLAudioFmt = SDL_NextAudioFormat()) {
if (SDLAudioFmt == AUDIO_U8 || SDLAudioFmt == AUDIO_S16)
for (test_format = SDL_FirstAudioFormat(_this->spec.format); test_format; test_format = SDL_NextAudioFormat()) {
if (test_format == AUDIO_U8 || test_format == AUDIO_S16)
break;
}
if (SDLAudioFmt == 0) {
if (!test_format) {
debug_os2("Unsupported audio format, AUDIO_S16 used");
SDLAudioFmt = AUDIO_S16;
test_format = AUDIO_S16;
}
pAData = (SDL_PrivateAudioData *) SDL_calloc(1, sizeof(struct SDL_PrivateAudioData));
@@ -330,7 +329,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
&stMCIAmpSet, 0);
}
_this->spec.format = SDLAudioFmt;
_this->spec.format = test_format;
_this->spec.channels = _this->spec.channels > 1 ? 2 : 1;
if (_this->spec.freq < 8000) {
_this->spec.freq = 8000;
@@ -342,7 +341,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
/* Setup mixer. */
pAData->stMCIMixSetup.ulFormatTag = MCI_WAVE_FORMAT_PCM;
pAData->stMCIMixSetup.ulBitsPerSample = SDL_AUDIO_BITSIZE(SDLAudioFmt);
pAData->stMCIMixSetup.ulBitsPerSample = SDL_AUDIO_BITSIZE(test_format);
pAData->stMCIMixSetup.ulSamplesPerSec = _this->spec.freq;
pAData->stMCIMixSetup.ulChannels = _this->spec.channels;
pAData->stMCIMixSetup.ulDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;