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Allow using 'default_output' / 'default_input' as audio devices (-a option), add --list-audio-devices option

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dec05eba
2024-08-02 00:12:39 +02:00
parent 7e1be0192d
commit 844a54b43b
3 changed files with 160 additions and 43 deletions
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66
src/sound.cpp
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@@ -327,12 +327,66 @@ static void pa_sourcelist_cb(pa_context *ctx, const pa_source_info *source_info,
if(eol > 0)
return;
std::vector<AudioInput> *inputs = (std::vector<AudioInput>*)userdata;
inputs->push_back({ source_info->name, source_info->description });
AudioDevices *audio_devices = (AudioDevices*)userdata;
audio_devices->audio_inputs.push_back({ source_info->name, source_info->description });
}
std::vector<AudioInput> get_pulseaudio_inputs() {
std::vector<AudioInput> inputs;
static void pa_server_info_cb(pa_context*, const pa_server_info *server_info, void *userdata) {
AudioDevices *audio_devices = (AudioDevices*)userdata;
if(server_info->default_sink_name)
audio_devices->default_output = std::string(server_info->default_sink_name) + ".monitor";
if(server_info->default_source_name)
audio_devices->default_input = server_info->default_source_name;
}
static void get_pulseaudio_default_inputs(AudioDevices &audio_devices) {
pa_mainloop *main_loop = pa_mainloop_new();
pa_context *ctx = pa_context_new(pa_mainloop_get_api(main_loop), "gpu-screen-recorder-gtk");
pa_context_connect(ctx, NULL, PA_CONTEXT_NOFLAGS, NULL);
int state = 0;
int pa_ready = 0;
pa_context_set_state_callback(ctx, pa_state_cb, &pa_ready);
pa_operation *pa_op = NULL;
for(;;) {
// Not ready
if(pa_ready == 0) {
pa_mainloop_iterate(main_loop, 1, NULL);
continue;
}
switch(state) {
case 0: {
pa_op = pa_context_get_server_info(ctx, pa_server_info_cb, &audio_devices);
++state;
break;
}
}
// Couldn't get connection to the server
if(pa_ready == 2 || (state == 1 && pa_op && pa_operation_get_state(pa_op) == PA_OPERATION_DONE)) {
if(pa_op)
pa_operation_unref(pa_op);
pa_context_disconnect(ctx);
pa_context_unref(ctx);
pa_mainloop_free(main_loop);
return;
}
pa_mainloop_iterate(main_loop, 1, NULL);
}
pa_mainloop_free(main_loop);
}
AudioDevices get_pulseaudio_inputs() {
AudioDevices audio_devices;
// TODO: Do this in the same connection below instead of two separate connections
get_pulseaudio_default_inputs(audio_devices);
pa_mainloop *main_loop = pa_mainloop_new();
pa_context *ctx = pa_context_new(pa_mainloop_get_api(main_loop), "gpu-screen-recorder");
@@ -352,7 +406,7 @@ std::vector<AudioInput> get_pulseaudio_inputs() {
switch(state) {
case 0: {
pa_op = pa_context_get_source_info_list(ctx, pa_sourcelist_cb, &inputs);
pa_op = pa_context_get_source_info_list(ctx, pa_sourcelist_cb, &audio_devices);
++state;
break;
}
@@ -371,5 +425,5 @@ std::vector<AudioInput> get_pulseaudio_inputs() {
}
pa_mainloop_free(main_loop);
return inputs;
return audio_devices;
}