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Rev 1 Rev 21
Line 9... Line 9...
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#include <string.h>
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#include <string.h>
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typedef struct tS3_sample_struct_miniaudio {
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typedef struct tS3_sample_struct_miniaudio {
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    ma_audio_buffer_ref buffer_ref;
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    ma_audio_buffer_ref buffer_ref;
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    ma_sound sound;
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    ma_sound sound;
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    int init_volume;
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    int init_pan;
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    int init_new_rate;
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    int initialized;
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    int initialized;
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} tS3_sample_struct_miniaudio;
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} tS3_sample_struct_miniaudio;
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// dethrace
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// dethrace
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ma_engine miniaudio_engine;
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ma_engine miniaudio_engine;
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    result = ma_sound_init_from_data_source(&miniaudio_engine, &miniaudio->buffer_ref, flags, NULL, &miniaudio->sound);
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    result = ma_sound_init_from_data_source(&miniaudio_engine, &miniaudio->buffer_ref, flags, NULL, &miniaudio->sound);
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    if (result != MA_SUCCESS) {
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    if (result != MA_SUCCESS) {
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        return eAB_error;
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        return eAB_error;
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    }
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    }
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    miniaudio->initialized = 1;
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    miniaudio->initialized = 1;
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    if (miniaudio->init_volume > 0)
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    {
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       AudioBackend_SetVolume (chan, miniaudio->init_volume);
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       AudioBackend_SetPan (chan, miniaudio->init_pan);
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       AudioBackend_SetFrequency (chan, miniaudio->init_new_rate);
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    }
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    ma_sound_set_looping(&miniaudio->sound, chan->repetitions == 0);
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    ma_sound_set_looping(&miniaudio->sound, chan->repetitions == 0);
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    ma_sound_start(&miniaudio->sound);
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    ma_sound_start(&miniaudio->sound);
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    return eAB_success;
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    return eAB_success;
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}
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}
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        return 1;
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        return 1;
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    }
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    }
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    return 0;
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    return 0;
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}
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}
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tAudioBackend_error_code AudioBackend_SetVolume(tS3_channel* chan, int volume_db) {
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tAudioBackend_error_code AudioBackend_SetVolume(tS3_channel* chan, int volume) {
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    tS3_sample_struct_miniaudio* miniaudio;
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    tS3_sample_struct_miniaudio* miniaudio;
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    float linear_volume;
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    float linear_volume;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    assert(miniaudio != NULL);
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    assert(miniaudio != NULL);
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    if (!miniaudio->initialized)
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    {
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    // convert from directsound -10000 - 0 decibel volume scale
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       miniaudio->init_volume = volume;
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       return eAB_success;
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    }
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    linear_volume = ma_volume_db_to_linear(volume_db / 100.0f);
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    linear_volume = volume / 510.0f;
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    ma_sound_set_volume(&miniaudio->sound, linear_volume);
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    ma_sound_set_volume(&miniaudio->sound, linear_volume);
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    return eAB_success;
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    return eAB_success;
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}
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}
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tAudioBackend_error_code AudioBackend_SetPan(tS3_channel* chan, int pan) {
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tAudioBackend_error_code AudioBackend_SetPan(tS3_channel* chan, int pan) {
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    tS3_sample_struct_miniaudio* miniaudio;
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    tS3_sample_struct_miniaudio* miniaudio;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    assert(miniaudio != NULL);
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    assert(miniaudio != NULL);
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    if (!miniaudio->initialized)
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    {
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       miniaudio->init_pan = pan;
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       return eAB_success;
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    }
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    // convert from directsound -10000 - 10000 pan scale
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    // convert from directsound -10000 - 10000 pan scale
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    ma_sound_set_pan(&miniaudio->sound, pan / 10000.0f);
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    ma_sound_set_pan(&miniaudio->sound, pan / 10000.0f);
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    return eAB_success;
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    return eAB_success;
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}
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}
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    tS3_sample_struct_miniaudio* miniaudio;
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    tS3_sample_struct_miniaudio* miniaudio;
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    tS3_sample* sample_data;
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    tS3_sample* sample_data;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    miniaudio = (tS3_sample_struct_miniaudio*)chan->type_struct_sample;
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    assert(miniaudio != NULL);
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    assert(miniaudio != NULL);
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    if (!miniaudio->initialized)
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    {
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       miniaudio->init_new_rate = rate;
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       return eAB_success;
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    }
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    sample_data = (tS3_sample*)chan->descriptor->sound_data;
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    sample_data = (tS3_sample*)chan->descriptor->sound_data;
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    // convert from directsound frequency to linear pitch scale
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    // convert from directsound frequency to linear pitch scale
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    ma_sound_set_pitch(&miniaudio->sound, (rate / (float)sample_data->rate));
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    ma_sound_set_pitch(&miniaudio->sound, (rate / (float)sample_data->rate));