Method send_command

ps3fw/cellAdec.cpp:790–826

template <LpcmDecCmdType type>
error_code LpcmDecContext::send_command(ppu_thread& ppu, auto&&... args)
{
	ppu.state += cpu_flag::wait;

	if (error_code ret = sys_mutex_lock(ppu, queue_size_mutex, 0); ret != CELL_OK)
	{
		return ret;
	}

	if (cmd_queue.full())
	{
		ensure(sys_mutex_unlock(ppu, queue_size_mutex) == CELL_OK); // Error code isn't checked on LLE
		return CELL_ADEC_ERROR_BUSY;
	}

	// LLE copies the parameters directly into the context
	if constexpr (type == LpcmDecCmdType::start_seq)
	{
		*lpcm_param = {args...};
	}

	if (error_code ret = sys_mutex_lock(ppu, queue_mutex, 0); ret != CELL_OK)
	{
		ensure(sys_mutex_unlock(ppu, queue_size_mutex) == CELL_OK); // Error code isn't checked on LLE
		return ret;
	}

	cmd_queue.emplace(type, std::forward<decltype(args)>(args)...);

	if (error_code ret = sys_mutex_unlock(ppu, queue_mutex); ret != CELL_OK || (ret = cmd_available.release(ppu)) != CELL_OK)
	{
		ensure(sys_mutex_unlock(ppu, queue_size_mutex) == CELL_OK); // Error code isn't checked on LLE
		return ret;
	}

	return sys_mutex_unlock(ppu, queue_size_mutex);
}

inline error_code LpcmDecContext::release_output(ppu_thread& ppu)
{