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mirror of https://github.com/vcmi/vcmi.git synced 2024-12-24 22:14:36 +02:00

Merge pull request #89 from ArseniyShestakov/improveSoundHandler

Nobody touched sounds in years. Code looks good and if it fixes the error, there is no reason not to pull it.
This commit is contained in:
DjWarmonger 2015-02-15 22:37:54 +01:00
commit aef22002ad
2 changed files with 27 additions and 65 deletions

View File

@ -125,11 +125,10 @@ void CSoundHandler::release()
{
Mix_HaltChannel(-1);
std::map<soundBase::soundID, Mix_Chunk *>::iterator it;
for (it=soundChunks.begin(); it != soundChunks.end(); it++)
for (auto &chunk : soundChunks)
{
if (it->second)
Mix_FreeChunk(it->second);
if (chunk.second)
Mix_FreeChunk(chunk.second);
}
}
@ -137,44 +136,20 @@ void CSoundHandler::release()
}
// Allocate an SDL chunk and cache it.
Mix_Chunk *CSoundHandler::GetSoundChunk(soundBase::soundID soundID)
Mix_Chunk *CSoundHandler::GetSoundChunk(std::string &sound, bool cache)
{
// Find its name
auto fname = sounds[soundID];
if (fname.empty())
return nullptr;
// Load and insert
try
{
auto data = CResourceHandler::get()->load(ResourceID(std::string("SOUNDS/") + fname, EResType::SOUND))->readAll();
if (cache && soundChunks.find(sound) != soundChunks.end())
return soundChunks[sound];
SDL_RWops *ops = SDL_RWFromMem(data.first.release(), data.second);
Mix_Chunk *chunk;
chunk = Mix_LoadWAV_RW(ops, 1); // will free ops
soundChunks.insert(std::pair<soundBase::soundID, Mix_Chunk *>(soundID, chunk));
return chunk;
}
catch(std::exception &e)
{
logGlobal->warnStream() << "Cannot get sound " << soundID << " chunk: " << e.what();
return nullptr;
}
}
Mix_Chunk *CSoundHandler::GetSoundChunk(std::string &sound)
{
if (sound.empty())
return nullptr;
// Load and insert
try
{
auto data = CResourceHandler::get()->load(ResourceID(std::string("SOUNDS/") + sound, EResType::SOUND))->readAll();
SDL_RWops *ops = SDL_RWFromMem(data.first.release(), data.second);
Mix_Chunk *chunk;
chunk = Mix_LoadWAV_RW(ops, 1); // will free ops
Mix_Chunk *chunk = Mix_LoadWAV_RW(ops, 1); // will free ops
if (cache)
soundChunks.insert(std::pair<std::string, Mix_Chunk *>(sound, chunk));
return chunk;
}
catch(std::exception &e)
@ -188,48 +163,36 @@ Mix_Chunk *CSoundHandler::GetSoundChunk(std::string &sound)
int CSoundHandler::playSound(soundBase::soundID soundID, int repeats)
{
assert(soundID < soundBase::sound_after_last);
if (!initialized)
auto sound = sounds[soundID];
logGlobal->traceStream() << "Attempt to play sound " << soundID << " with file name " << sound << " with cache";
return playSound(sound, repeats, true);
}
int CSoundHandler::playSound(std::string sound, int repeats, bool cache)
{
if (!initialized || sound.empty())
return -1;
int channel;
Mix_Chunk *chunk = GetSoundChunk(soundID);
Mix_Chunk *chunk = GetSoundChunk(sound, cache);
if (chunk)
{
channel = Mix_PlayChannel(-1, chunk, repeats);
if (channel == -1)
logGlobal->errorStream() << "Unable to play sound file " << soundID << " , error " << Mix_GetError();
else
callbacks[channel];//insert empty callback
}
else
{
channel = -1;
}
return channel;
}
int CSoundHandler::playSound(std::string sound, int repeats)
{
if (!initialized)
return -1;
int channel;
Mix_Chunk *chunk = GetSoundChunk(sound);
if (chunk)
{
channel = Mix_PlayChannel(-1, chunk, repeats);
if (channel == -1)
logGlobal->errorStream() << "Unable to play sound file " << sound << " , error " << Mix_GetError();
if (!cache)
Mix_FreeChunk(chunk);
}
else if (cache)
callbacks[channel];
else
callbacks[channel];//insert empty callback
callbacks[channel] = [chunk]{ Mix_FreeChunk(chunk);};
}
else
{
channel = -1;
}
return channel;
}

View File

@ -41,10 +41,9 @@ private:
SettingsListener listener;
void onVolumeChange(const JsonNode &volumeNode);
std::map<soundBase::soundID, Mix_Chunk *> soundChunks;
std::map<std::string, Mix_Chunk *> soundChunks;
Mix_Chunk *GetSoundChunk(soundBase::soundID soundID);
Mix_Chunk *GetSoundChunk(std::string &sound);
Mix_Chunk *GetSoundChunk(std::string &sound, bool cache);
//have entry for every currently active channel
//std::function will be nullptr if callback was not set
@ -60,7 +59,7 @@ public:
// Sounds
int playSound(soundBase::soundID soundID, int repeats=0);
int playSound(std::string sound, int repeats=0);
int playSound(std::string sound, int repeats=0, bool cache=false);
int playSoundFromSet(std::vector<soundBase::soundID> &sound_vec);
void stopSound(int handler);