Revision 4f3cb3be
| b/hw/musicpal.c | ||
|---|---|---|
| 255 | 255 |
static void audio_callback(void *opaque, int free_out, int free_in) |
| 256 | 256 |
{
|
| 257 | 257 |
musicpal_audio_state *s = opaque; |
| 258 |
int16_t *codec_buffer, *mem_buffer; |
|
| 258 |
int16_t *codec_buffer; |
|
| 259 |
void *mem_buffer; |
|
| 259 | 260 |
int pos, block_size; |
| 260 | 261 |
|
| 261 | 262 |
if (!(s->playback_mode & MP_AUDIO_PLAYBACK_EN)) |
| ... | ... | |
| 276 | 277 |
if (s->playback_mode & MP_AUDIO_MONO) {
|
| 277 | 278 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); |
| 278 | 279 |
for (pos = 0; pos < block_size; pos += 2) {
|
| 279 |
*codec_buffer++ = *mem_buffer; |
|
| 280 |
*codec_buffer++ = *mem_buffer++; |
|
| 280 |
*codec_buffer++ = *(uint16_t *)mem_buffer; |
|
| 281 |
*codec_buffer++ = *(uint16_t *)mem_buffer; |
|
| 282 |
mem_buffer += 2; |
|
| 281 | 283 |
} |
| 282 | 284 |
} else |
| 283 | 285 |
memcpy(wm8750_dac_buffer(s->wm, block_size >> 2), |
| ... | ... | |
| 286 | 288 |
if (s->playback_mode & MP_AUDIO_MONO) {
|
| 287 | 289 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size); |
| 288 | 290 |
for (pos = 0; pos < block_size; pos++) {
|
| 289 |
*codec_buffer++ = cpu_to_le16(256 * *((int8_t *)mem_buffer));
|
|
| 290 |
*codec_buffer++ = cpu_to_le16(256 * *((int8_t *)mem_buffer)++);
|
|
| 291 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer);
|
|
| 292 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
|
|
| 291 | 293 |
} |
| 292 | 294 |
} else {
|
| 293 | 295 |
codec_buffer = wm8750_dac_buffer(s->wm, block_size >> 1); |
| 294 | 296 |
for (pos = 0; pos < block_size; pos += 2) {
|
| 295 |
*codec_buffer++ = cpu_to_le16(256 * *((int8_t *)mem_buffer)++);
|
|
| 296 |
*codec_buffer++ = cpu_to_le16(256 * *((int8_t *)mem_buffer)++);
|
|
| 297 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
|
|
| 298 |
*codec_buffer++ = cpu_to_le16(256 * *(int8_t *)mem_buffer++);
|
|
| 297 | 299 |
} |
| 298 | 300 |
} |
| 299 | 301 |
} |
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