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audio: rename fake_stream to work_buffer.

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It's more than an alternative for when the OS can't provide a DMA buffer, now.
This commit is contained in:
Ryan C. Gordon
2017-01-06 01:07:34 -05:00
parent 992124d4de
commit b3e8db802e
5 changed files with 36 additions and 37 deletions
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24
src/audio/emscripten/SDL_emscriptenaudio.c
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@@ -65,26 +65,26 @@ HandleAudioProcess(_THIS)
if (this->stream == NULL) { /* no conversion necessary. */
SDL_assert(this->spec.size == stream_len);
callback(this->spec.userdata, this->fake_stream, stream_len);
callback(this->spec.userdata, this->work_buffer, stream_len);
} else { /* streaming/converting */
int got;
while (SDL_AudioStreamAvailable(this->stream) < ((int) this->spec.size)) {
callback(this->spec.userdata, this->fake_stream, stream_len);
if (SDL_AudioStreamPut(this->stream, this->fake_stream, stream_len) == -1) {
callback(this->spec.userdata, this->work_buffer, stream_len);
if (SDL_AudioStreamPut(this->stream, this->work_buffer, stream_len) == -1) {
SDL_AudioStreamClear(this->stream);
SDL_AtomicSet(&this->enabled, 0);
break;
}
}
got = SDL_AudioStreamGet(this->stream, this->fake_stream, this->spec.size);
got = SDL_AudioStreamGet(this->stream, this->work_buffer, this->spec.size);
SDL_assert((got < 0) || (got == this->spec.size));
if (got != this->spec.size) {
SDL_memset(this->fake_stream, this->spec.silence, this->spec.size);
SDL_memset(this->work_buffer, this->spec.silence, this->spec.size);
}
}
FeedAudioDevice(this, this->fake_stream, this->spec.size);
FeedAudioDevice(this, this->work_buffer, this->spec.size);
}
static void
@@ -117,25 +117,25 @@ HandleCaptureProcess(_THIS)
}
}
}
}, this->fake_stream, (this->spec.size / sizeof (float)) / this->spec.channels);
}, this->work_buffer, (this->spec.size / sizeof (float)) / this->spec.channels);
/* okay, we've got an interleaved float32 array in C now. */
if (this->stream == NULL) { /* no conversion necessary. */
SDL_assert(this->spec.size == stream_len);
callback(this->spec.userdata, this->fake_stream, stream_len);
callback(this->spec.userdata, this->work_buffer, stream_len);
} else { /* streaming/converting */
if (SDL_AudioStreamPut(this->stream, this->fake_stream, this->spec.size) == -1) {
if (SDL_AudioStreamPut(this->stream, this->work_buffer, this->spec.size) == -1) {
SDL_AtomicSet(&this->enabled, 0);
}
while (SDL_AudioStreamAvailable(this->stream) >= stream_len) {
const int got = SDL_AudioStreamGet(this->stream, this->fake_stream, stream_len);
const int got = SDL_AudioStreamGet(this->stream, this->work_buffer, stream_len);
SDL_assert((got < 0) || (got == stream_len));
if (got != stream_len) {
SDL_memset(this->fake_stream, this->callbackspec.silence, stream_len);
SDL_memset(this->work_buffer, this->callbackspec.silence, stream_len);
}
callback(this->spec.userdata, this->fake_stream, stream_len); /* Send it to the app. */
callback(this->spec.userdata, this->work_buffer, stream_len); /* Send it to the app. */
}
}
}