From f3a160038decadade9e223adb006ba8acc3939e7 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 4 Jan 2015 19:20:36 +0100 Subject: output/pulse: move more code into the struct --- src/output/plugins/PulseOutputPlugin.cxx | 223 ++++++++++++++++++++----------- 1 file changed, 148 insertions(+), 75 deletions(-) (limited to 'src/output') diff --git a/src/output/plugins/PulseOutputPlugin.cxx b/src/output/plugins/PulseOutputPlugin.cxx index 4c9fc2cc3..ae88d2134 100644 --- a/src/output/plugins/PulseOutputPlugin.cxx +++ b/src/output/plugins/PulseOutputPlugin.cxx @@ -62,6 +62,37 @@ struct PulseOutput { mixer(nullptr), mainloop(nullptr), stream(nullptr) {} +public: + void SetMixer(PulseMixer &_mixer); + + void ClearMixer(gcc_unused PulseMixer &old_mixer) { + assert(mixer == &old_mixer); + + mixer = nullptr; + } + + bool SetVolume(const pa_cvolume &volume, Error &error); + + void Lock() { + pa_threaded_mainloop_lock(mainloop); + } + + void Unlock() { + pa_threaded_mainloop_unlock(mainloop); + } + + void OnContextStateChanged(pa_context_state_t new_state); + void OnServerLayoutChanged(pa_subscription_event_type_t t, + uint32_t idx); + void OnStreamSuspended(pa_stream *_stream); + void OnStreamStateChanged(pa_stream *_stream, + pa_stream_state_t new_state); + void OnStreamWrite(size_t nbytes); + + void OnStreamSuccess() { + pa_threaded_mainloop_signal(mainloop, 0); + } + gcc_const static bool TestDefaultDevice(); @@ -146,64 +177,66 @@ private: void pulse_output_lock(PulseOutput &po) { - pa_threaded_mainloop_lock(po.mainloop); + po.Lock(); } void pulse_output_unlock(PulseOutput &po) { - pa_threaded_mainloop_unlock(po.mainloop); + po.Unlock(); } -void -pulse_output_set_mixer(PulseOutput &po, PulseMixer &pm) +inline void +PulseOutput::SetMixer(PulseMixer &_mixer) { - assert(po.mixer == nullptr); + assert(mixer == nullptr); - po.mixer = ± + mixer = &_mixer; - if (po.mainloop == nullptr) + if (mainloop == nullptr) return; - pa_threaded_mainloop_lock(po.mainloop); + pa_threaded_mainloop_lock(mainloop); - if (po.context != nullptr && - pa_context_get_state(po.context) == PA_CONTEXT_READY) { - pulse_mixer_on_connect(pm, po.context); + if (context != nullptr && + pa_context_get_state(context) == PA_CONTEXT_READY) { + pulse_mixer_on_connect(_mixer, context); - if (po.stream != nullptr && - pa_stream_get_state(po.stream) == PA_STREAM_READY) - pulse_mixer_on_change(pm, po.context, po.stream); + if (stream != nullptr && + pa_stream_get_state(stream) == PA_STREAM_READY) + pulse_mixer_on_change(_mixer, context, stream); } - pa_threaded_mainloop_unlock(po.mainloop); + pa_threaded_mainloop_unlock(mainloop); } void -pulse_output_clear_mixer(PulseOutput &po, gcc_unused PulseMixer &pm) +pulse_output_set_mixer(PulseOutput &po, PulseMixer &pm) { - assert(po.mixer == &pm); - - po.mixer = nullptr; + po.SetMixer(pm); } -bool -pulse_output_set_volume(PulseOutput &po, const pa_cvolume *volume, - Error &error) +void +pulse_output_clear_mixer(PulseOutput &po, PulseMixer &pm) { - pa_operation *o; + po.ClearMixer(pm); +} - if (po.context == nullptr || po.stream == nullptr || - pa_stream_get_state(po.stream) != PA_STREAM_READY) { +inline bool +PulseOutput::SetVolume(const pa_cvolume &volume, Error &error) +{ + if (context == nullptr || stream == nullptr || + pa_stream_get_state(stream) != PA_STREAM_READY) { error.Set(pulse_domain, "disconnected"); return false; } - o = pa_context_set_sink_input_volume(po.context, - pa_stream_get_index(po.stream), - volume, nullptr, nullptr); + pa_operation *o = + pa_context_set_sink_input_volume(context, + pa_stream_get_index(stream), + &volume, nullptr, nullptr); if (o == nullptr) { - SetPulseError(error, po.context, + SetPulseError(error, context, "failed to set PulseAudio volume"); return false; } @@ -212,6 +245,13 @@ pulse_output_set_volume(PulseOutput &po, const pa_cvolume *volume, return true; } +bool +pulse_output_set_volume(PulseOutput &po, const pa_cvolume *volume, + Error &error) +{ + return po.SetVolume(*volume, error); +} + /** * \brief waits for a pulseaudio operation to finish, frees it and * unlocks the mainloop @@ -244,32 +284,30 @@ static void pulse_output_stream_success_cb(gcc_unused pa_stream *s, gcc_unused int success, void *userdata) { - PulseOutput *po = (PulseOutput *)userdata; + PulseOutput &po = *(PulseOutput *)userdata; - pa_threaded_mainloop_signal(po->mainloop, 0); + po.OnStreamSuccess(); } -static void -pulse_output_context_state_cb(struct pa_context *context, void *userdata) +inline void +PulseOutput::OnContextStateChanged(pa_context_state_t new_state) { - PulseOutput *po = (PulseOutput *)userdata; - - switch (pa_context_get_state(context)) { + switch (new_state) { case PA_CONTEXT_READY: - if (po->mixer != nullptr) - pulse_mixer_on_connect(*po->mixer, context); + if (mixer != nullptr) + pulse_mixer_on_connect(*mixer, context); - pa_threaded_mainloop_signal(po->mainloop, 0); + pa_threaded_mainloop_signal(mainloop, 0); break; case PA_CONTEXT_TERMINATED: case PA_CONTEXT_FAILED: - if (po->mixer != nullptr) - pulse_mixer_on_disconnect(*po->mixer); + if (mixer != nullptr) + pulse_mixer_on_disconnect(*mixer); /* the caller thread might be waiting for these states */ - pa_threaded_mainloop_signal(po->mainloop, 0); + pa_threaded_mainloop_signal(mainloop, 0); break; case PA_CONTEXT_UNCONNECTED: @@ -281,24 +319,40 @@ pulse_output_context_state_cb(struct pa_context *context, void *userdata) } static void -pulse_output_subscribe_cb(pa_context *context, - pa_subscription_event_type_t t, - uint32_t idx, void *userdata) +pulse_output_context_state_cb(struct pa_context *context, void *userdata) +{ + PulseOutput &po = *(PulseOutput *)userdata; + + po.OnContextStateChanged(pa_context_get_state(context)); +} + +inline void +PulseOutput::OnServerLayoutChanged(pa_subscription_event_type_t t, + uint32_t idx) { - PulseOutput *po = (PulseOutput *)userdata; pa_subscription_event_type_t facility = pa_subscription_event_type_t(t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK); pa_subscription_event_type_t type = pa_subscription_event_type_t(t & PA_SUBSCRIPTION_EVENT_TYPE_MASK); - if (po->mixer != nullptr && + if (mixer != nullptr && facility == PA_SUBSCRIPTION_EVENT_SINK_INPUT && - po->stream != nullptr && - pa_stream_get_state(po->stream) == PA_STREAM_READY && - idx == pa_stream_get_index(po->stream) && + stream != nullptr && + pa_stream_get_state(stream) == PA_STREAM_READY && + idx == pa_stream_get_index(stream) && (type == PA_SUBSCRIPTION_EVENT_NEW || type == PA_SUBSCRIPTION_EVENT_CHANGE)) - pulse_mixer_on_change(*po->mixer, context, po->stream); + pulse_mixer_on_change(*mixer, context, stream); +} + +static void +pulse_output_subscribe_cb(gcc_unused pa_context *context, + pa_subscription_event_type_t t, + uint32_t idx, void *userdata) +{ + PulseOutput &po = *(PulseOutput *)userdata; + + po.OnServerLayoutChanged(t, idx); } inline bool @@ -485,42 +539,47 @@ PulseOutput::WaitConnection(Error &error) } } -static void -pulse_output_stream_suspended_cb(gcc_unused pa_stream *stream, void *userdata) +inline void +PulseOutput::OnStreamSuspended(gcc_unused pa_stream *_stream) { - PulseOutput *po = (PulseOutput *)userdata; - - assert(stream == po->stream || po->stream == nullptr); - assert(po->mainloop != nullptr); + assert(_stream == stream || stream == nullptr); + assert(mainloop != nullptr); /* wake up the main loop to break out of the loop in pulse_output_play() */ - pa_threaded_mainloop_signal(po->mainloop, 0); + pa_threaded_mainloop_signal(mainloop, 0); } static void -pulse_output_stream_state_cb(pa_stream *stream, void *userdata) +pulse_output_stream_suspended_cb(pa_stream *stream, void *userdata) { - PulseOutput *po = (PulseOutput *)userdata; + PulseOutput &po = *(PulseOutput *)userdata; - assert(stream == po->stream || po->stream == nullptr); - assert(po->mainloop != nullptr); - assert(po->context != nullptr); + po.OnStreamSuspended(stream); +} + +inline void +PulseOutput::OnStreamStateChanged(pa_stream *_stream, + pa_stream_state_t new_state) +{ + assert(_stream == stream || stream == nullptr); + assert(mainloop != nullptr); + assert(context != nullptr); - switch (pa_stream_get_state(stream)) { + switch (new_state) { case PA_STREAM_READY: - if (po->mixer != nullptr) - pulse_mixer_on_change(*po->mixer, po->context, stream); + if (mixer != nullptr) + pulse_mixer_on_change(*mixer, context, _stream); - pa_threaded_mainloop_signal(po->mainloop, 0); + pa_threaded_mainloop_signal(mainloop, 0); break; case PA_STREAM_FAILED: case PA_STREAM_TERMINATED: - if (po->mixer != nullptr) - pulse_mixer_on_disconnect(*po->mixer); + if (mixer != nullptr) + pulse_mixer_on_disconnect(*mixer); - pa_threaded_mainloop_signal(po->mainloop, 0); + pa_threaded_mainloop_signal(mainloop, 0); break; case PA_STREAM_UNCONNECTED: @@ -529,16 +588,30 @@ pulse_output_stream_state_cb(pa_stream *stream, void *userdata) } } +static void +pulse_output_stream_state_cb(pa_stream *stream, void *userdata) +{ + PulseOutput &po = *(PulseOutput *)userdata; + + return po.OnStreamStateChanged(stream, pa_stream_get_state(stream)); +} + +inline void +PulseOutput::OnStreamWrite(size_t nbytes) +{ + assert(mainloop != nullptr); + + writable = nbytes; + pa_threaded_mainloop_signal(mainloop, 0); +} + static void pulse_output_stream_write_cb(gcc_unused pa_stream *stream, size_t nbytes, void *userdata) { - PulseOutput *po = (PulseOutput *)userdata; - - assert(po->mainloop != nullptr); + PulseOutput &po = *(PulseOutput *)userdata; - po->writable = nbytes; - pa_threaded_mainloop_signal(po->mainloop, 0); + return po.OnStreamWrite(nbytes); } inline bool -- cgit v1.2.3