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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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35
src/audio/pulseaudio/SDL_pulseaudio.c
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@@ -547,14 +547,14 @@ static int
PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
{
struct SDL_PrivateAudioData *h = NULL;
Uint16 test_format = 0;
SDL_AudioFormat test_format;
pa_sample_spec paspec;
pa_buffer_attr paattr;
pa_channel_map pacmap;
pa_stream_flags_t flags = 0;
const char *name = NULL;
SDL_bool iscapture = this->iscapture;
int state = 0;
int state = 0, format = PA_SAMPLE_INVALID;
int rc = 0;
/* Initialize all variables that we clean on shutdown */
@@ -565,48 +565,43 @@ PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
}
SDL_zerop(this->hidden);
paspec.format = PA_SAMPLE_INVALID;
/* Try for a closest match on audio format */
for (test_format = SDL_FirstAudioFormat(this->spec.format);
(paspec.format == PA_SAMPLE_INVALID) && test_format;) {
for (test_format = SDL_FirstAudioFormat(this->spec.format); test_format; test_format = SDL_NextAudioFormat()) {
#ifdef DEBUG_AUDIO
fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
#endif
switch (test_format) {
case AUDIO_U8:
paspec.format = PA_SAMPLE_U8;
format = PA_SAMPLE_U8;
break;
case AUDIO_S16LSB:
paspec.format = PA_SAMPLE_S16LE;
format = PA_SAMPLE_S16LE;
break;
case AUDIO_S16MSB:
paspec.format = PA_SAMPLE_S16BE;
format = PA_SAMPLE_S16BE;
break;
case AUDIO_S32LSB:
paspec.format = PA_SAMPLE_S32LE;
format = PA_SAMPLE_S32LE;
break;
case AUDIO_S32MSB:
paspec.format = PA_SAMPLE_S32BE;
format = PA_SAMPLE_S32BE;
break;
case AUDIO_F32LSB:
paspec.format = PA_SAMPLE_FLOAT32LE;
format = PA_SAMPLE_FLOAT32LE;
break;
case AUDIO_F32MSB:
paspec.format = PA_SAMPLE_FLOAT32BE;
format = PA_SAMPLE_FLOAT32BE;
break;
default:
paspec.format = PA_SAMPLE_INVALID;
break;
}
if (paspec.format == PA_SAMPLE_INVALID) {
test_format = SDL_NextAudioFormat();
continue;
}
break;
}
if (paspec.format == PA_SAMPLE_INVALID) {
return SDL_SetError("Couldn't find any hardware audio formats");
if (!test_format) {
return SDL_SetError("%s: Unsupported audio format", "pulseaudio");
}
this->spec.format = test_format;
paspec.format = format;
/* Calculate the final parameters for this audio specification */
#ifdef PA_STREAM_ADJUST_LATENCY