Revision a350e694
| b/hw/musicpal.c | ||
|---|---|---|
| 244 | 244 |
uint32_t status; |
| 245 | 245 |
uint32_t irq_enable; |
| 246 | 246 |
unsigned long phys_buf; |
| 247 |
void *target_buffer;
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|
| 247 |
int8_t *target_buffer;
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|
| 248 | 248 |
unsigned int threshold; |
| 249 | 249 |
unsigned int play_pos; |
| 250 | 250 |
unsigned int last_free; |
| ... | ... | |
| 256 | 256 |
{
|
| 257 | 257 |
musicpal_audio_state *s = opaque; |
| 258 | 258 |
int16_t *codec_buffer; |
| 259 |
void *mem_buffer;
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| 259 |
int8_t *mem_buffer;
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|
| 260 | 260 |
int pos, block_size; |
| 261 | 261 |
|
| 262 | 262 |
if (!(s->playback_mode & MP_AUDIO_PLAYBACK_EN)) |
| ... | ... | |
| 277 | 277 |
if (s->playback_mode & MP_AUDIO_MONO) {
|
| 278 | 278 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); |
| 279 | 279 |
for (pos = 0; pos < block_size; pos += 2) {
|
| 280 |
*codec_buffer++ = *(uint16_t *)mem_buffer;
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|
| 281 |
*codec_buffer++ = *(uint16_t *)mem_buffer;
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| 280 |
*codec_buffer++ = *(int16_t *)mem_buffer; |
|
| 281 |
*codec_buffer++ = *(int16_t *)mem_buffer; |
|
| 282 | 282 |
mem_buffer += 2; |
| 283 | 283 |
} |
| 284 | 284 |
} else |
| ... | ... | |
| 288 | 288 |
if (s->playback_mode & MP_AUDIO_MONO) {
|
| 289 | 289 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size); |
| 290 | 290 |
for (pos = 0; pos < block_size; pos++) {
|
| 291 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer);
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|
| 292 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
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| 291 |
*codec_buffer++ = cpu_to_le16(256 * *mem_buffer); |
|
| 292 |
*codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); |
|
| 293 | 293 |
} |
| 294 | 294 |
} else {
|
| 295 | 295 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); |
| 296 | 296 |
for (pos = 0; pos < block_size; pos += 2) {
|
| 297 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
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|
| 298 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
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|
| 297 |
*codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); |
|
| 298 |
*codec_buffer++ = cpu_to_le16(256 * *mem_buffer++); |
|
| 299 | 299 |
} |
| 300 | 300 |
} |
| 301 | 301 |
} |
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