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-rw-r--r--Alc/pulseaudio.c62
1 files changed, 18 insertions, 44 deletions
diff --git a/Alc/pulseaudio.c b/Alc/pulseaudio.c
index 27709384..f72df3a2 100644
--- a/Alc/pulseaudio.c
+++ b/Alc/pulseaudio.c
@@ -1077,75 +1077,49 @@ static void pulse_stop_capture(ALCdevice *device) //{{{
ppa_threaded_mainloop_unlock(data->loop);
} //}}}
-static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples) //{{{
+static ALCuint pulse_available_samples(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
- ALCuint available = RingBufferSize(data->ring);
- const void *buf;
- size_t length;
-
- available *= data->frame_size;
- samples *= data->frame_size;
+ size_t samples;
+ ALCuint ret;
ppa_threaded_mainloop_lock(data->loop);
- if(available+ppa_stream_readable_size(data->stream) < samples)
- {
- ppa_threaded_mainloop_unlock(data->loop);
- alcSetError(device, ALC_INVALID_VALUE);
- return;
- }
-
- available = min(available, samples);
- if(available > 0)
- {
- ReadRingBuffer(data->ring, buffer, available/data->frame_size);
- buffer = (ALubyte*)buffer + available;
- samples -= available;
- }
-
/* Capture is done in fragment-sized chunks, so we loop until we get all
- * that's requested */
+ * that's available */
+ samples = ppa_stream_readable_size(data->stream);
while(samples > 0)
{
+ const void *buf;
+ size_t length;
+
if(ppa_stream_peek(data->stream, &buf, &length) < 0)
{
AL_PRINT("pa_stream_peek() failed: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
break;
}
- available = min(length, samples);
-
- memcpy(buffer, buf, available);
- buffer = (ALubyte*)buffer + available;
- buf = (const ALubyte*)buf + available;
- samples -= available;
- length -= available;
- /* Any unread data in the fragment will be lost, so save it */
- length /= data->frame_size;
- if(length > 0)
- {
- if(length > data->samples)
- length = data->samples;
- WriteRingBuffer(data->ring, buf, length);
- }
+ WriteRingBuffer(data->ring, buf, length/data->frame_size);
+ samples -= length;
ppa_stream_drop(data->stream);
}
+ ret = RingBufferSize(data->ring);
ppa_threaded_mainloop_unlock(data->loop);
+
+ return ret;
} //}}}
-static ALCuint pulse_available_samples(ALCdevice *device) //{{{
+static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples) //{{{
{
pulse_data *data = device->ExtraData;
- ALCuint ret;
ppa_threaded_mainloop_lock(data->loop);
- ret = RingBufferSize(data->ring);
- ret += ppa_stream_readable_size(data->stream)/data->frame_size;
+ if(pulse_available_samples(device) >= samples)
+ ReadRingBuffer(data->ring, buffer, samples);
+ else
+ alcSetError(device, ALC_INVALID_VALUE);
ppa_threaded_mainloop_unlock(data->loop);
-
- return ret;
} //}}}
BackendFuncs pulse_funcs = { //{{{