Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-31 18:11:50 +03:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/emu/sound/wave.c
View File

@ -19,8 +19,6 @@
#define ALWAYS_PLAY_SOUND 0 #define ALWAYS_PLAY_SOUND 0
static STREAM_UPDATE( wave_sound_update ) static STREAM_UPDATE( wave_sound_update )
{ {
#ifdef MESS #ifdef MESS
@ -29,26 +27,33 @@ static STREAM_UPDATE( wave_sound_update )
cassette_state state; cassette_state state;
double time_index; double time_index;
double duration; double duration;
stream_sample_t *buffer = outputs[0]; stream_sample_t *left_buffer = outputs[0];
stream_sample_t *right_buffer = outputs[1];
int i; int i;
state = cassette_get_state(image); state = cassette_get_state(image);
state &= CASSETTE_MASK_UISTATE | CASSETTE_MASK_MOTOR | CASSETTE_MASK_SPEAKER; 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)))) if (image_exists(image) && (ALWAYS_PLAY_SOUND || (state == (CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED))))
{ {
cassette = cassette_get_image(image); cassette = cassette_get_image(image);
time_index = cassette_get_position(image); time_index = cassette_get_position(image);
duration = ((double) samples) / image->machine->sample_rate; 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--) for (i = samples - 1; i >= 0; i--)
buffer[i] = ((INT16 *) buffer)[i]; {
left_buffer[i] = ((INT16 *) left_buffer)[i];
right_buffer[i] = ((INT16 *) right_buffer)[i];
}
} }
else else
{ {
memset(buffer, 0, sizeof(*buffer) * samples); memset(left_buffer, 0, sizeof(*left_buffer) * samples);
memset(right_buffer, 0, sizeof(*right_buffer) * samples);
} }
#endif #endif
} }
@ -65,7 +70,7 @@ static DEVICE_START( wave )
#ifdef MESS #ifdef MESS
image = devtag_get_device( device->machine, (const char *)device->static_config ); image = devtag_get_device( device->machine, (const char *)device->static_config );
#endif #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; case DEVINFO_INT_TOKEN_BYTES: info->i = 0; break;
/* --- the following bits of info are returned as pointers to data or functions --- */ /* --- 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_STOP: /* nothing */ break;
case DEVINFO_FCT_RESET: /* nothing */ break; case DEVINFO_FCT_RESET: /* nothing */ break;
/* --- the following bits of info are returned as NULL-terminated strings --- */ /* --- the following bits of info are returned as NULL-terminated strings --- */
case DEVINFO_STR_NAME: strcpy(info->s, "Cassette"); break; case DEVINFO_STR_NAME: strcpy(info->s, "Cassette"); break;
case DEVINFO_STR_FAMILY: 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_VERSION: strcpy(info->s, "1.0"); break;
case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); 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_CREDITS: strcpy(info->s, "Copyright The MESS Team"); break;
} }
} }