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Calculate duration from the original buffer size

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MojoAL use SDL_AudioCVT internally which doubles the size
This commit is contained in:
Benau 2021-05-14 23:58:59 +08:00
parent ec02331c73
commit 8e885d15ac
1 changed files with 7 additions and 5 deletions
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12
src/audio/sfx_buffer.cpp
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@ -204,6 +204,13 @@ bool SFXBuffer::loadVorbisBuffer(const std::string &name, ALuint buffer)
data.get(), len, info->rate); data.get(), len, info->rate);
success = true; success = true;
int buffer_size, frequency, bits_per_sample, channels;
buffer_size = len;
frequency = info->rate;
// We use AL_FORMAT_MONO16 or AL_FORMAT_STEREO16 so it's always 16
bits_per_sample = 16;
channels = info->channels;
ov_clear(&oggFile); ov_clear(&oggFile);
fclose(file); fclose(file);
@ -211,11 +218,6 @@ bool SFXBuffer::loadVorbisBuffer(const std::string &name, ALuint buffer)
// duration (which is the norm), compute it: // duration (which is the norm), compute it:
if(m_duration < 0) if(m_duration < 0)
{ {
ALint buffer_size, frequency, bits_per_sample, channels;
alGetBufferi(buffer, AL_SIZE, &buffer_size );
alGetBufferi(buffer, AL_FREQUENCY, &frequency );
alGetBufferi(buffer, AL_CHANNELS, &channels );
alGetBufferi(buffer, AL_BITS, &bits_per_sample);
m_duration = float(buffer_size) m_duration = float(buffer_size)
/ (frequency*channels*(bits_per_sample / 8)); / (frequency*channels*(bits_per_sample / 8));
} }