diff options
| -rw-r--r-- | drivers/ao/audio_driver_ao.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/ao/audio_driver_ao.cpp b/drivers/ao/audio_driver_ao.cpp index d9a6ebd0de..3c4aa454e7 100644 --- a/drivers/ao/audio_driver_ao.cpp +++ b/drivers/ao/audio_driver_ao.cpp @@ -45,7 +45,7 @@ Error AudioDriverAO::init() { ao_sample_format format; - format.bits = 32; + format.bits = 16; format.rate = mix_rate; format.channels = channels; format.byte_format = AO_FMT_LITTLE; @@ -68,19 +68,27 @@ Error AudioDriverAO::init() { void AudioDriverAO::thread_func(void* p_udata) { AudioDriverAO* ad = (AudioDriverAO*)p_udata; + int16_t* samples_out = samples_in; // Overwrite samples on conversion + unsigned int n_samples = ad->buffer_size * ad->channels; + unsigned int n_bytes = n_samples * sizeof(int16_t); + while (!ad->exit_thread) { if (ad->active) { ad->lock(); ad->audio_server_process(ad->buffer_size, ad->samples_in); ad->unlock(); - }; + + for (unsigned int i = 0; i < n_samples; i++) { + samples_out[i] = ad->samples_in[i] >> 16; + } + } else { + memset(samples_out, 0, n_bytes); + } if (ad->exit_thread) break; - if (!ao_play(ad->device, reinterpret_cast<char*>(ad->samples_in), - ad->buffer_size * ad->channels * sizeof(int32_t))) - { + if (!ao_play(ad->device, reinterpret_cast<char*>(samples_out), n_bytes) { ERR_PRINT("ao_play() failed"); } }; |