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output/openal: move code to inline functions

This commit is contained in:
Max Kellermann 2011-12-13 21:55:41 +01:00
parent e735abe334
commit 0a427890fe
1 changed files with 25 additions and 9 deletions
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34
src/output/openal_output_plugin.c
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@ -83,6 +83,29 @@ openal_audio_format(struct audio_format *audio_format)
}
}
G_GNUC_PURE
static inline ALint
openal_get_source_i(const struct openal_data *od, ALenum param)
{
ALint value;
alGetSourcei(od->source, param, &value);
return value;
}
G_GNUC_PURE
static inline bool
openal_has_processed(const struct openal_data *od)
{
return openal_get_source_i(od, AL_BUFFERS_PROCESSED) > 0;
}
G_GNUC_PURE
static inline ALint
openal_is_playing(const struct openal_data *od)
{
return openal_get_source_i(od, AL_SOURCE_STATE) == AL_PLAYING;
}
static bool
openal_setup_context(struct openal_data *od,
GError **error)
@ -195,21 +218,18 @@ openal_play(struct audio_output *ao, const void *chunk, size_t size,
{
struct openal_data *od = (struct openal_data *)ao;
ALuint buffer;
ALint num, state;
if (alcGetCurrentContext() != od->context) {
alcMakeContextCurrent(od->context);
}
alGetSourcei(od->source, AL_BUFFERS_PROCESSED, &num);
if (od->filled < NUM_BUFFERS) {
/* fill all buffers */
buffer = od->buffers[od->filled];
od->filled++;
} else {
/* wait for processed buffer */
while (num < 1) {
while (!openal_has_processed(od)) {
if (!od->timer->started) {
timer_start(od->timer);
} else {
@ -217,8 +237,6 @@ openal_play(struct audio_output *ao, const void *chunk, size_t size,
}
timer_add(od->timer, size);
alGetSourcei(od->source, AL_BUFFERS_PROCESSED, &num);
}
alSourceUnqueueBuffers(od->source, 1, &buffer);
@ -226,11 +244,9 @@ openal_play(struct audio_output *ao, const void *chunk, size_t size,
alBufferData(buffer, od->format, chunk, size, od->frequency);
alSourceQueueBuffers(od->source, 1, &buffer);
alGetSourcei(od->source, AL_SOURCE_STATE, &state);
if (state != AL_PLAYING) {
if (!openal_is_playing(od))
alSourcePlay(od->source);
}
return size;
}