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Converted the WAVE sound device to stereo (for MESS).

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This commit is contained in:
Curt Coder 2009-05-04 13:18:58 +00:00
parent 1067adb1a1
commit 91a7d9908b
1 changed files with 18 additions and 13 deletions
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31
src/emu/sound/wave.c
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@ -19,8 +19,6 @@
#define ALWAYS_PLAY_SOUND 0
static STREAM_UPDATE( wave_sound_update )
{
#ifdef MESS
@ -29,26 +27,33 @@ static STREAM_UPDATE( wave_sound_update )
cassette_state state;
double time_index;
double duration;
stream_sample_t *buffer = outputs[0];
stream_sample_t *left_buffer = outputs[0];
stream_sample_t *right_buffer = outputs[1];
int i;
state = cassette_get_state(image);
state &= CASSETTE_MASK_UISTATE | CASSETTE_MASK_MOTOR | CASSETTE_MASK_SPEAKER;
if (image_exists(image) && (ALWAYS_PLAY_SOUND || (state == (CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED))))
{
cassette = cassette_get_image(image);
time_index = cassette_get_position(image);
duration = ((double) samples) / image->machine->sample_rate;
cassette_get_samples(cassette, 0, time_index, duration, samples, 2, buffer, CASSETTE_WAVEFORM_16BIT);
cassette_get_samples(cassette, 0, time_index, duration, samples, 2, left_buffer, CASSETTE_WAVEFORM_16BIT);
cassette_get_samples(cassette, 1, time_index, duration, samples, 2, right_buffer, CASSETTE_WAVEFORM_16BIT);
for (i = samples-1; i >= 0; i--)
buffer[i] = ((INT16 *) buffer)[i];
for (i = samples - 1; i >= 0; i--)
{
left_buffer[i] = ((INT16 *) left_buffer)[i];
right_buffer[i] = ((INT16 *) right_buffer)[i];
}
}
else
{
memset(buffer, 0, sizeof(*buffer) * samples);
memset(left_buffer, 0, sizeof(*left_buffer) * samples);
memset(right_buffer, 0, sizeof(*right_buffer) * samples);
}
#endif
}
@ -65,7 +70,7 @@ static DEVICE_START( wave )
#ifdef MESS
image = devtag_get_device( device->machine, (const char *)device->static_config );
#endif
stream_create(device, 0, 1, device->machine->sample_rate, (void *)image, wave_sound_update);
stream_create(device, 0, 2, device->machine->sample_rate, (void *)image, wave_sound_update);
}
@ -82,15 +87,15 @@ DEVICE_GET_INFO( wave )
case DEVINFO_INT_TOKEN_BYTES: info->i = 0; break;
/* --- the following bits of info are returned as pointers to data or functions --- */
case DEVINFO_FCT_START: info->start = DEVICE_START_NAME( wave ); break;
case DEVINFO_FCT_START: info->start = DEVICE_START_NAME( wave ); break;
case DEVINFO_FCT_STOP: /* nothing */ break;
case DEVINFO_FCT_RESET: /* nothing */ break;
/* --- the following bits of info are returned as NULL-terminated strings --- */
case DEVINFO_STR_NAME: strcpy(info->s, "Cassette"); break;
case DEVINFO_STR_FAMILY: strcpy(info->s, "Cassette"); break;
case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break;
case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break;
case DEVINFO_STR_CREDITS: strcpy(info->s, "Copyright The MESS Team"); break;
case DEVINFO_STR_FAMILY: strcpy(info->s, "Cassette"); break;
case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break;
case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break;
case DEVINFO_STR_CREDITS: strcpy(info->s, "Copyright The MESS Team"); break;
}
}