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Code Issues Releases Activity

use sdl mixer to get audio duration

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This commit is contained in:
Laserlicht 2024-10-13 21:08:43 +02:00
parent 5d2f3c0f86
commit d43997f5ba
1 changed files with 14 additions and 9 deletions
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23
client/media/CSoundHandler.cpp
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@ -147,18 +147,23 @@ uint32_t CSoundHandler::getSoundDurationMilliseconds(const AudioPath & sound)
auto data = CResourceHandler::get()->load(resourcePath)->readAll();
SDL_AudioSpec spec;
uint32_t audioLen;
uint8_t * audioBuf;
uint32_t milliseconds = 0;
if(SDL_LoadWAV_RW(SDL_RWFromMem(data.first.get(), data.second), 1, &spec, &audioBuf, &audioLen) != nullptr)
Mix_Chunk * chunk = Mix_LoadWAV_RW(SDL_RWFromMem(data.first.get(), data.second), 1);
int freq = 0;
Uint16 fmt = 0;
int chans = 0;
if(!Mix_QuerySpec(&freq, &fmt, &chans))
return 0;
if(chunk != nullptr)
{
SDL_FreeWAV(audioBuf);
uint32_t sampleSize = SDL_AUDIO_BITSIZE(spec.format) / 8;
uint32_t sampleCount = audioLen / sampleSize;
uint32_t sampleLen = sampleCount / spec.channels;
milliseconds = 1000 * sampleLen / spec.freq;
Uint32 points = (chunk->alen / ((fmt & 0xFF) / 8));
Uint32 frames = (points / chans);
milliseconds = ((frames * 1000) / freq);
Mix_FreeChunk(chunk);
}
return milliseconds;