Function cellAudioOutConfigure

ps3fw/cellAudioOut.cpp:344–440

}

error_code cellAudioOutConfigure(u32 audioOut, vm::ptr<CellAudioOutConfiguration> config, vm::ptr<CellAudioOutOption> option, u32 waitForEvent)
{
	cellSysutil.warning("cellAudioOutConfigure(audioOut=%d, config=*0x%x, option=*0x%x, waitForEvent=%d)", audioOut, config, option, waitForEvent);

	if (!config)
	{
		return CELL_AUDIO_OUT_ERROR_ILLEGAL_PARAMETER;
	}

	switch (audioOut)
	{
	case CELL_AUDIO_OUT_PRIMARY:
		break;
	case CELL_AUDIO_OUT_SECONDARY:
		return CELL_AUDIO_OUT_ERROR_UNSUPPORTED_AUDIO_OUT; // The secondary output only supports one format and can't be reconfigured
	default:
		return CELL_AUDIO_OUT_ERROR_ILLEGAL_PARAMETER;
	}

	bool needs_reset = false;

	audio_out_configuration& cfg = g_fxo->get<audio_out_configuration>();
	{
		std::lock_guard lock(cfg.mtx);

		audio_out_configuration::audio_out& out = ::at32(cfg.out, audioOut);

		// Apparently the set config does not necessarily have to exist in the list of sound modes.

		if (out.channels != config->channel || out.encoder != config->encoder || out.downmixer != config->downMixer)
		{
			out.channels = config->channel;
			out.encoder = config->encoder;

			if (config->downMixer > CELL_AUDIO_OUT_DOWNMIXER_TYPE_B) // PS3 ignores invalid downMixer values and keeps the previous valid one instead
			{
				cellSysutil.warning("cellAudioOutConfigure: Invalid downmixing mode configured: %d. Keeping old mode: downMixer=%d",
					config->downMixer, out.downmixer);
			}
			else
			{
				out.downmixer = config->downMixer;
			}

			// Try to find the best sound mode for this configuration
			const auto it = std::find_if(out.sound_modes.cbegin(), out.sound_modes.cend(), [&out](const CellAudioOutSoundMode& mode)
				{
					return mode.type == out.encoder && mode.channel == out.channels;
				});

			if (it != out.sound_modes.cend())
			{
				out.sound_mode = *it;
			}
			else
			{
				cellSysutil.warning("cellAudioOutConfigure: Could not find an ideal sound mode for %d channel output. Keeping old mode: channels=%d, encoder=%d, fs=%d",
					config->channel, out.sound_mode.channel, out.sound_mode.type, out.sound_mode.fs);