output/wasapi: add field paused

Fixes bogus Delay() results at the start of playback, because Delay()
thinks the output is paused.
This commit is contained in:
Max Kellermann
2021-03-10 19:59:06 +01:00
parent fe7c5a4208
commit 8a045207a7

View File

@@ -239,6 +239,11 @@ class WasapiOutput final : public AudioOutput {
*/ */
bool is_started; bool is_started;
/**
* Only valid if the output is open.
*/
bool paused;
std::atomic_flag not_interrupted = true; std::atomic_flag not_interrupted = true;
const std::string device_config; const std::string device_config;
@@ -276,6 +281,7 @@ public:
} }
void Open(AudioFormat &audio_format) override { void Open(AudioFormat &audio_format) override {
com_worker->Async([&]() { DoOpen(audio_format); }).get(); com_worker->Async([&]() { DoOpen(audio_format); }).get();
paused = false;
} }
void Close() noexcept override; void Close() noexcept override;
std::chrono::steady_clock::duration Delay() const noexcept override; std::chrono::steady_clock::duration Delay() const noexcept override;
@@ -589,6 +595,7 @@ WasapiOutput::DoOpen(AudioFormat &audio_format)
buffer_size_in_frames, is_exclusive); buffer_size_in_frames, is_exclusive);
is_started = false; is_started = false;
paused = false;
} }
void void
@@ -613,7 +620,7 @@ WasapiOutput::Close() noexcept
std::chrono::steady_clock::duration std::chrono::steady_clock::duration
WasapiOutput::Delay() const noexcept WasapiOutput::Delay() const noexcept
{ {
if (!is_started) { if (paused) {
// idle while paused // idle while paused
return std::chrono::seconds(1); return std::chrono::seconds(1);
} }
@@ -626,6 +633,8 @@ WasapiOutput::Play(const void *chunk, size_t size)
{ {
assert(thread); assert(thread);
paused = false;
not_interrupted.test_and_set(); not_interrupted.test_and_set();
ConstBuffer<void> input(chunk, size); ConstBuffer<void> input(chunk, size);
@@ -665,6 +674,7 @@ WasapiOutput::Play(const void *chunk, size_t size)
bool bool
WasapiOutput::Pause() WasapiOutput::Pause()
{ {
paused = true;
if (is_started) { if (is_started) {
thread->Pause(); thread->Pause();
is_started = false; is_started = false;