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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 14:16:12 up 4 days,  9:21,  1 user,  load average: 1.06, 0.66, 0.53
This commit is contained in:
tracer-ics2023
2024-09-21 14:16:13 +08:00
committed by zzy
parent 37ce93269e
commit 3a03f7d1ae
1 changed files with 2 additions and 2 deletions
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4
nemu/src/device/audio.c
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@ -40,7 +40,7 @@ static void audio_callback(void *userdata, uint8_t *stream, int len) {
uint32_t read_cnt = MIN(count, len); uint32_t read_cnt = MIN(count, len);
uint32_t to_end_cnt = CONFIG_SB_SIZE - pos_read; uint32_t to_end_cnt = CONFIG_SB_SIZE - pos_read;
int32_t out_bound_cnt = read_cnt - to_end_cnt; int32_t out_bound_cnt = read_cnt - to_end_cnt;
// memset(stream, 0, len); memset(stream, 0, len);
if (out_bound_cnt > 0) { if (out_bound_cnt > 0) {
memcpy(stream, sbuf + pos_read, to_end_cnt); memcpy(stream, sbuf + pos_read, to_end_cnt);
memcpy(stream + to_end_cnt, sbuf, out_bound_cnt); memcpy(stream + to_end_cnt, sbuf, out_bound_cnt);
@ -49,7 +49,7 @@ static void audio_callback(void *userdata, uint8_t *stream, int len) {
} }
pos_read += read_cnt; pos_read += read_cnt;
pos_read %= CONFIG_SB_SIZE; pos_read %= CONFIG_SB_SIZE;
if (len > read_cnt) memset(stream + read_cnt, 0, len - read_cnt); // if (len > read_cnt) memset(stream + read_cnt, 0, len - read_cnt);
audio_count -= read_cnt; audio_count -= read_cnt;
SDL_UnlockAudio(); SDL_UnlockAudio();
} }