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Starting audio Amp only when playing sounds, stopping otherwise

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This commit is contained in:
Vincent-FK 2021-01-06 01:56:54 +01:00
parent 343f64f6b8
commit d07ca9c5e7
4 changed files with 46 additions and 0 deletions
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7
RetroFE/Source/Execute/Launcher.cpp
View File

@ -119,12 +119,19 @@ bool Launcher::run(std::string collection, Item *collectionItem)
selectedItemsDirectory,
collection);
/* Restart audio amp */
popen(SHELL_CMD_TURN_AMPLI_ON, "r");
/* Execute game */
if(!execute(executablePath, args, currentDirectory))
{
Logger::write(Logger::ZONE_ERROR, "Launcher", "Failed to launch.");
res = false;
}
/* Stop audio amp */
popen(SHELL_CMD_TURN_AMPLI_OFF, "r");
/* Restore stored PID */
char shellCmd[20];
sprintf(shellCmd, "%s %d", SHELL_CMD_RECORD_PID, getpid());

32
RetroFE/Source/Sound/Sound.cpp
View File

@ -17,6 +17,10 @@
#include "Sound.h"
#include "../Utility/Log.h"
#include "../Utility/Utils.h"
SDL_TimerID Sound::idTimer = 0;
int Sound::ampliStarted = 0;
Sound::Sound(std::string file, std::string altfile)
: file_(file)
@ -44,14 +48,40 @@ Sound::~Sound()
void Sound::play()
{
//printf("%s\n", __func__);
SDL_RemoveTimer(idTimer);
if(!ampliStarted){
popen(SHELL_CMD_TURN_AMPLI_ON, "r");
ampliStarted = 1;
}
if(chunk_)
{
channel_ = Mix_PlayChannel(-1, chunk_, 0);
Mix_ChannelFinished(finished);
}
}
uint32_t Sound::turnOffAmpli(uint32_t interval, void *param)
{
//printf("%s\n", __func__);
popen(SHELL_CMD_TURN_AMPLI_OFF, "r");
ampliStarted = 0;
return 0;
}
void Sound::finished(int channel)
{
//printf("%s\n", __func__);
if((channel == -1) || !Mix_Playing(channel)){
SDL_RemoveTimer(idTimer);
idTimer = SDL_AddTimer(500, turnOffAmpli, NULL);
}
}
bool Sound::free()
{
//printf("%s\n", __func__);
if(chunk_)
{
Mix_FreeChunk(chunk_);
@ -64,6 +94,7 @@ bool Sound::free()
bool Sound::allocate()
{
//printf("%s\n", __func__);
if(!chunk_)
{
chunk_ = Mix_LoadWAV(file_.c_str());
@ -75,5 +106,6 @@ bool Sound::allocate()
bool Sound::isPlaying()
{
//printf("%s\n", __func__);
return (channel_ != -1) && Mix_Playing(channel_);
}

5
RetroFE/Source/Sound/Sound.h
View File

@ -17,6 +17,7 @@
#include <string>
#include <SDL/SDL_mixer.h>
#include "SDL.h"
class Sound
{
public:
@ -27,6 +28,10 @@ public:
bool free();
bool isPlaying();
private:
static void finished(int channel);
static uint32_t turnOffAmpli(uint32_t interval, void *param);
static int ampliStarted;
static SDL_TimerID idTimer;
std::string file_;
Mix_Chunk *chunk_;
int channel_;

2
RetroFE/Source/Utility/Utils.h
View File

@ -23,6 +23,8 @@
#define SHELL_CMD_ROOTFS_RW "rw"
#define SHELL_CMD_ROOTFS_RO "ro"
#define SHELL_CMD_RECORD_PID "record_pid"
#define SHELL_CMD_TURN_AMPLI_ON "start_audio_amp 1"
#define SHELL_CMD_TURN_AMPLI_OFF "start_audio_amp 0"
class Utils
{