亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

? 歡迎來(lái)到蟲蟲下載站! | ?? 資源下載 ?? 資源專輯 ?? 關(guān)于我們
? 蟲蟲下載站

?? audio.c

?? LINUX 2.6.17.4的源碼
?? C
?? 第 1 頁(yè) / 共 3 頁(yè)
字號(hào):
						     wave_dev->card->pt.enable_gpr_name) >= 0)				val |= AFMT_AC3;		}		return put_user(val, p);	case SNDCTL_DSP_SETFMT:	/* Same as SNDCTL_DSP_SAMPLESIZE */		DPF(2, "SNDCTL_DSP_SETFMT:\n");		if (get_user(val, p))			return -EFAULT;		DPD(2, " val is %d\n", val);		if (val != AFMT_QUERY) {			if (file->f_mode & FMODE_READ) {				struct wave_format format;				spin_lock_irqsave(&wiinst->lock, flags);				format = wiinst->format;				format.id = val;				if (emu10k1_wavein_setformat(wave_dev, &format) < 0) {					spin_unlock_irqrestore(&wiinst->lock, flags);					return -EINVAL;				}				val = wiinst->format.id;				spin_unlock_irqrestore(&wiinst->lock, flags);				DPD(2, "set recording format -> %d\n", val);			}			if (file->f_mode & FMODE_WRITE) {				struct wave_format format;				spin_lock_irqsave(&woinst->lock, flags);				format = woinst->format;				format.id = val;				if (emu10k1_waveout_setformat(wave_dev, &format) < 0) {					spin_unlock_irqrestore(&woinst->lock, flags);					return -EINVAL;				}				val = woinst->format.id;				spin_unlock_irqrestore(&woinst->lock, flags);				DPD(2, "set playback format -> %d\n", val);			}			return put_user(val, p);		} else {			if (file->f_mode & FMODE_READ)				val = wiinst->format.id;			else if (file->f_mode & FMODE_WRITE)				val = woinst->format.id;			return put_user(val, p);		}		break;	case SOUND_PCM_READ_BITS:		if (file->f_mode & FMODE_READ)			val = wiinst->format.bitsperchannel;		else if (file->f_mode & FMODE_WRITE)			val = woinst->format.bitsperchannel;		return put_user(val, p);	case SOUND_PCM_READ_RATE:		if (file->f_mode & FMODE_READ)			val = wiinst->format.samplingrate;		else if (file->f_mode & FMODE_WRITE)			val = woinst->format.samplingrate;		return put_user(val, p);	case SOUND_PCM_READ_CHANNELS:		if (file->f_mode & FMODE_READ)			val = wiinst->format.channels;		else if (file->f_mode & FMODE_WRITE)			val = woinst->format.channels;		return put_user(val, p);	case SOUND_PCM_WRITE_FILTER:		DPF(2, "SOUND_PCM_WRITE_FILTER: not implemented\n");		break;	case SOUND_PCM_READ_FILTER:		DPF(2, "SOUND_PCM_READ_FILTER: not implemented\n");		break;	case SNDCTL_DSP_SETSYNCRO:		DPF(2, "SNDCTL_DSP_SETSYNCRO: not implemented\n");		break;	case SNDCTL_DSP_GETTRIGGER:		DPF(2, "SNDCTL_DSP_GETTRIGGER:\n");		if (file->f_mode & FMODE_WRITE && (wave_dev->enablebits & PCM_ENABLE_OUTPUT))			val |= PCM_ENABLE_OUTPUT;		if (file->f_mode & FMODE_READ && (wave_dev->enablebits & PCM_ENABLE_INPUT))			val |= PCM_ENABLE_INPUT;		return put_user(val, p);	case SNDCTL_DSP_SETTRIGGER:		DPF(2, "SNDCTL_DSP_SETTRIGGER:\n");		if (get_user(val, p))			return -EFAULT;		if (file->f_mode & FMODE_WRITE) {			spin_lock_irqsave(&woinst->lock, flags);			if (val & PCM_ENABLE_OUTPUT) {				wave_dev->enablebits |= PCM_ENABLE_OUTPUT;				if (woinst->state & WAVE_STATE_OPEN)					emu10k1_waveout_start(wave_dev);			} else {				wave_dev->enablebits &= ~PCM_ENABLE_OUTPUT;				if (woinst->state & WAVE_STATE_STARTED)					emu10k1_waveout_stop(wave_dev);			}			spin_unlock_irqrestore(&woinst->lock, flags);		}		if (file->f_mode & FMODE_READ) {			spin_lock_irqsave(&wiinst->lock, flags);			if (val & PCM_ENABLE_INPUT) {				wave_dev->enablebits |= PCM_ENABLE_INPUT;				if (wiinst->state & WAVE_STATE_OPEN)					emu10k1_wavein_start(wave_dev);			} else {				wave_dev->enablebits &= ~PCM_ENABLE_INPUT;				if (wiinst->state & WAVE_STATE_STARTED)					emu10k1_wavein_stop(wave_dev);			}			spin_unlock_irqrestore(&wiinst->lock, flags);		}		break;	case SNDCTL_DSP_GETOSPACE:		{			audio_buf_info info;			DPF(4, "SNDCTL_DSP_GETOSPACE:\n");			if (!(file->f_mode & FMODE_WRITE))				return -EINVAL;			spin_lock_irqsave(&woinst->lock, flags);			if (woinst->state & WAVE_STATE_OPEN) {				emu10k1_waveout_update(woinst);				emu10k1_waveout_getxfersize(woinst, &bytestocopy);				info.bytes = bytestocopy;			} else {				calculate_ofrag(woinst);				info.bytes = woinst->buffer.size;			}			spin_unlock_irqrestore(&woinst->lock, flags);			info.bytes *= woinst->num_voices;			info.fragsize = woinst->buffer.fragment_size * woinst->num_voices;			info.fragstotal = woinst->buffer.numfrags * woinst->num_voices;			info.fragments = info.bytes / info.fragsize;			if (copy_to_user(p, &info, sizeof(info)))				return -EFAULT;		}		break;	case SNDCTL_DSP_GETISPACE:		{			audio_buf_info info;			DPF(4, "SNDCTL_DSP_GETISPACE:\n");			if (!(file->f_mode & FMODE_READ))				return -EINVAL;			spin_lock_irqsave(&wiinst->lock, flags);			if (wiinst->state & WAVE_STATE_OPEN) {				emu10k1_wavein_update(wave_dev->card, wiinst);				emu10k1_wavein_getxfersize(wiinst, &bytestocopy);				info.bytes = bytestocopy;			} else {				calculate_ifrag(wiinst);				info.bytes = 0;			}			spin_unlock_irqrestore(&wiinst->lock, flags);			info.fragstotal = wiinst->buffer.numfrags;			info.fragments = info.bytes / wiinst->buffer.fragment_size;			info.fragsize = wiinst->buffer.fragment_size;			if (copy_to_user(p, &info, sizeof(info)))				return -EFAULT;		}		break;	case SNDCTL_DSP_NONBLOCK:		DPF(2, "SNDCTL_DSP_NONBLOCK:\n");		file->f_flags |= O_NONBLOCK;		break;	case SNDCTL_DSP_GETODELAY:		DPF(4, "SNDCTL_DSP_GETODELAY:\n");		if (!(file->f_mode & FMODE_WRITE))			return -EINVAL;		spin_lock_irqsave(&woinst->lock, flags);		if (woinst->state & WAVE_STATE_OPEN) {			emu10k1_waveout_update(woinst);			emu10k1_waveout_getxfersize(woinst, &bytestocopy);			val = woinst->buffer.size - bytestocopy;		} else			val = 0;		val *= woinst->num_voices;		spin_unlock_irqrestore(&woinst->lock, flags);		return put_user(val, p);	case SNDCTL_DSP_GETIPTR:		{			count_info cinfo;			DPF(4, "SNDCTL_DSP_GETIPTR: \n");			if (!(file->f_mode & FMODE_READ))				return -EINVAL;			spin_lock_irqsave(&wiinst->lock, flags);			if (wiinst->state & WAVE_STATE_OPEN) {				emu10k1_wavein_update(wave_dev->card, wiinst);				cinfo.ptr = wiinst->buffer.hw_pos;				cinfo.bytes = cinfo.ptr + wiinst->total_recorded - wiinst->total_recorded % wiinst->buffer.size;				cinfo.blocks = cinfo.bytes / wiinst->buffer.fragment_size - wiinst->blocks;				wiinst->blocks = cinfo.bytes / wiinst->buffer.fragment_size;			} else {				cinfo.ptr = 0;				cinfo.bytes = 0;				cinfo.blocks = 0;			}			if (wiinst->mmapped)				wiinst->buffer.bytestocopy %= wiinst->buffer.fragment_size;			spin_unlock_irqrestore(&wiinst->lock, flags);			if (copy_to_user(p, &cinfo, sizeof(cinfo)))				return -EFAULT;		}		break;	case SNDCTL_DSP_GETOPTR:		{			count_info cinfo;			DPF(4, "SNDCTL_DSP_GETOPTR:\n");			if (!(file->f_mode & FMODE_WRITE))				return -EINVAL;			spin_lock_irqsave(&woinst->lock, flags);			if (woinst->state & WAVE_STATE_OPEN || 			    ((woinst->format.passthrough == 1) && wave_dev->card->pt.state)) {				int num_fragments;				if (woinst->format.passthrough == 1) {					emu10k1_pt_waveout_update(wave_dev);					cinfo.bytes = woinst->total_played;				} else {					emu10k1_waveout_update(woinst);					cinfo.bytes = woinst->total_played;				}				cinfo.ptr = woinst->buffer.hw_pos;				num_fragments = cinfo.bytes / woinst->buffer.fragment_size;				cinfo.blocks = num_fragments - woinst->blocks;				woinst->blocks = num_fragments;				cinfo.bytes *= woinst->num_voices;				cinfo.ptr *= woinst->num_voices;			} else {				cinfo.ptr = 0;				cinfo.bytes = 0;				cinfo.blocks = 0;			}			if (woinst->mmapped)				woinst->buffer.free_bytes %= woinst->buffer.fragment_size;			spin_unlock_irqrestore(&woinst->lock, flags);			if (copy_to_user(p, &cinfo, sizeof(cinfo)))				return -EFAULT;		}		break;	case SNDCTL_DSP_GETBLKSIZE:		DPF(2, "SNDCTL_DSP_GETBLKSIZE:\n");		if (file->f_mode & FMODE_WRITE) {			spin_lock_irqsave(&woinst->lock, flags);			calculate_ofrag(woinst);			val = woinst->buffer.fragment_size * woinst->num_voices;			spin_unlock_irqrestore(&woinst->lock, flags);		}		if (file->f_mode & FMODE_READ) {			spin_lock_irqsave(&wiinst->lock, flags);			calculate_ifrag(wiinst);			val = wiinst->buffer.fragment_size;			spin_unlock_irqrestore(&wiinst->lock, flags);		}		return put_user(val, p);		break;	case SNDCTL_DSP_POST:		if (file->f_mode & FMODE_WRITE) {			spin_lock_irqsave(&woinst->lock, flags);			if (!(woinst->state & WAVE_STATE_STARTED)			    && (wave_dev->enablebits & PCM_ENABLE_OUTPUT)			    && (woinst->total_copied > 0))				emu10k1_waveout_start(wave_dev);			spin_unlock_irqrestore(&woinst->lock, flags);		}		break;	case SNDCTL_DSP_SUBDIVIDE:		DPF(2, "SNDCTL_DSP_SUBDIVIDE: not implemented\n");		break;	case SNDCTL_DSP_SETFRAGMENT:		DPF(2, "SNDCTL_DSP_SETFRAGMENT:\n");		if (get_user(val, p))			return -EFAULT;		DPD(2, "val is %#x\n", val);		if (val == 0)			return -EIO;		if (file->f_mode & FMODE_WRITE) {			/* digital pass-through fragment count and size are fixed values */			if (woinst->state & WAVE_STATE_OPEN || (woinst->format.passthrough == 1))				return -EINVAL;	/* too late to change */			woinst->buffer.ossfragshift = val & 0xffff;			woinst->buffer.numfrags = (val >> 16) & 0xffff;		}		if (file->f_mode & FMODE_READ) {			if (wiinst->state & WAVE_STATE_OPEN)				return -EINVAL;	/* too late to change */			wiinst->buffer.ossfragshift = val & 0xffff;			wiinst->buffer.numfrags = (val >> 16) & 0xffff;		}		break;	case SNDCTL_COPR_LOAD:		{			copr_buffer *buf;			u32 i;			DPF(4, "SNDCTL_COPR_LOAD:\n");			buf = kmalloc(sizeof(copr_buffer), GFP_KERNEL);			if (!buf)				return -ENOMEM;			if (copy_from_user(buf, p, sizeof(copr_buffer))) {				kfree (buf);				return -EFAULT;			}			if ((buf->command != CMD_READ) && (buf->command != CMD_WRITE)) {				kfree (buf);				return -EINVAL;			}			if (buf->command == CMD_WRITE) {				#ifdef DBGEMU				if ((buf->offs < 0) || (buf->offs + buf->len > 0xe00) || (buf->len > 1000)) {#else				if (((buf->offs < 0x100) || (buf->offs + buf->len > (wave_dev->card->is_audigy ? 0xe00 : 0x800)) || (buf->len > 1000)				) && !(					//any register allowed raw access to users goes here:					(buf->offs == DBG ||					  buf->offs == A_DBG)					&& (buf->len == 1))) {#endif							kfree(buf);					return -EINVAL;				}			} else {				if ((buf->offs < 0) || (buf->offs + buf->len > 0xe00) || (buf->len > 1000)) {					kfree(buf);					return -EINVAL;				}			}										if (((unsigned)buf->flags) > 0x3f)				buf->flags = 0;			if (buf->command == CMD_READ) {				for (i = 0; i < buf->len; i++)					((u32 *) buf->data)[i] = sblive_readptr(wave_dev->card, buf->offs + i, buf->flags);				if (copy_to_user(p, buf, sizeof(copr_buffer))) {					kfree(buf);					return -EFAULT;				}			} else {				for (i = 0; i < buf->len; i++)					sblive_writeptr(wave_dev->card, buf->offs + i, buf->flags, ((u32 *) buf->data)[i]);			}			kfree (buf);			break;		}	default:		/* Default is unrecognized command */		DPD(2, "default: %#x\n", cmd);		return -EINVAL;	}	return 0;}static struct page *emu10k1_mm_nopage (struct vm_area_struct * vma, unsigned long address, int *type){	struct emu10k1_wavedevice *wave_dev = vma->vm_private_data;	struct woinst *woinst = wave_dev->woinst;	struct wiinst *wiinst = wave_dev->wiinst;	struct page *dmapage;	unsigned long pgoff;	int rd, wr;	DPF(3, "emu10k1_mm_nopage()\n");	DPD(3, "addr: %#lx\n", address);	if (address > vma->vm_end) {		DPF(1, "EXIT, returning NOPAGE_SIGBUS\n");		return NOPAGE_SIGBUS; /* Disallow mremap */	}	pgoff = vma->vm_pgoff + ((address - vma->vm_start) >> PAGE_SHIFT);	if (woinst != NULL)		wr = woinst->mmapped;	else		wr = 0;	if (wiinst != NULL)		rd = wiinst->mmapped;	else		rd = 0;	/* if full-duplex (read+write) and we have two sets of bufs,	* then the playback buffers come first, sez soundcard.c */	if (wr) {		if (pgoff >= woinst->buffer.pages) {			pgoff -= woinst->buffer.pages;			dmapage = virt_to_page ((u8 *) wiinst->buffer.addr + pgoff * PAGE_SIZE);		} else			dmapage = virt_to_page (woinst->voice[0].mem.addr[pgoff]);	} else {		dmapage = virt_to_page ((u8 *) wiinst->buffer.addr + pgoff * PAGE_SIZE);	}	get_page (dmapage);	DPD(3, "page: %#lx\n", (unsigned long) dmapage);	if (type)		*type = VM_FAULT_MINOR;	return dmapage;}static struct vm_operations_struct emu10k1_mm_ops = {	.nopage         = emu10k1_mm_nopage,};static int emu10k1_audio_mmap(struct file *file, struct vm_area_struct *vma){	struct emu10k1_wavedevice *wave_dev = (struct emu10k1_wavedevice *) file->private_data;	unsigned long max_pages, n_pages, pgoffset;	struct woinst *woinst = NULL;	struct wiinst *wiinst = NULL;	unsigned long flags;	DPF(2, "emu10k1_audio_mmap()\n");	max_pages = 0;	if (vma->vm_flags & VM_WRITE) {		woinst = wave_dev->woinst;		spin_lock_irqsave(&woinst->lock, flags);		/* No m'mapping possible for multichannel */		if (woinst->num_voices > 1) {			spin_unlock_irqrestore(&woinst->lock, flags);

?? 快捷鍵說(shuō)明

復(fù)制代碼 Ctrl + C
搜索代碼 Ctrl + F
全屏模式 F11
切換主題 Ctrl + Shift + D
顯示快捷鍵 ?
增大字號(hào) Ctrl + =
減小字號(hào) Ctrl + -
亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频
va亚洲va日韩不卡在线观看| 日韩精品亚洲专区| 美女视频第一区二区三区免费观看网站| 国产在线国偷精品产拍免费yy| 99re视频这里只有精品| 欧美一区二区精品在线| 亚洲少妇中出一区| 国产一区 二区 三区一级| 欧美日韩高清一区二区三区| 亚洲欧洲av在线| 国产一区二区不卡| 91精品国产综合久久久久久久| 亚洲天堂成人在线观看| 国产一区二区成人久久免费影院 | 亚洲va国产va欧美va观看| 成人av动漫在线| 久久久综合视频| 看国产成人h片视频| 欧美日韩一卡二卡三卡 | 日韩免费高清视频| 亚洲国产中文字幕在线视频综合| 成人午夜看片网址| 久久久久97国产精华液好用吗| 蓝色福利精品导航| 717成人午夜免费福利电影| 怡红院av一区二区三区| 91一区二区在线| 中文字幕av一区二区三区免费看 | 国产成人精品在线看| 日韩你懂的在线播放| 五月激情六月综合| 欧美日韩一区二区在线观看视频 | 日韩午夜激情av| 日韩成人精品在线观看| 欧美日韩美少妇| 午夜不卡av在线| 欧美日韩国产区一| 婷婷成人综合网| 这里只有精品99re| 一区二区国产视频| 欧美午夜精品久久久| 亚洲成年人网站在线观看| 欧美日韩一区不卡| 日韩经典中文字幕一区| 7777精品久久久大香线蕉| 日本欧美一区二区在线观看| 日韩色在线观看| 久久爱www久久做| 久久天堂av综合合色蜜桃网 | 亚洲午夜精品在线| 欧美日本在线一区| 免费成人在线播放| 26uuu精品一区二区| 福利一区二区在线| 亚洲欧洲韩国日本视频| 91精品91久久久中77777| 夜夜嗨av一区二区三区| 欧美欧美午夜aⅴ在线观看| 日本色综合中文字幕| 日韩欧美不卡一区| 国产成人aaa| 国产人妖乱国产精品人妖| 国产麻豆精品theporn| 中文乱码免费一区二区| 一本久久a久久精品亚洲| 婷婷夜色潮精品综合在线| 日韩欧美一级在线播放| 国产成人免费视频网站高清观看视频| 国产精品美女久久久久aⅴ | 国产综合色产在线精品| 久久久久久久综合| a美女胸又www黄视频久久| 一区二区三区加勒比av| 制服丝袜亚洲网站| 国产一区二区在线影院| 国产精品黄色在线观看| 欧美视频一区二| 免费观看30秒视频久久| 日本一区二区综合亚洲| 91片在线免费观看| 日本午夜精品一区二区三区电影| 国产日本欧美一区二区| 欧美色国产精品| 国产一区二区美女诱惑| 亚洲免费成人av| 911精品国产一区二区在线| 国产在线精品视频| 亚洲免费看黄网站| 精品奇米国产一区二区三区| 99久久婷婷国产综合精品电影| 亚洲超丰满肉感bbw| 国产午夜一区二区三区| 欧美综合亚洲图片综合区| 久久精品99国产国产精| 亚洲视频在线观看一区| 日韩欧美黄色影院| 91毛片在线观看| 狠狠色丁香婷婷综合| 亚洲免费观看视频| 久久综合色8888| 在线一区二区三区四区| 久久99日本精品| 一区二区三区加勒比av| 国产婷婷一区二区| 欧美一区二区三区四区视频| 成熟亚洲日本毛茸茸凸凹| 免费观看日韩av| 亚洲欧美日韩在线不卡| 久久久久久久久久久久久久久99| 欧美日韩一区高清| av高清不卡在线| 激情综合色综合久久综合| 亚洲综合在线视频| 中文字幕高清不卡| 精品久久久久久最新网址| 色婷婷综合久久久中文字幕| 国产999精品久久| 免费成人av资源网| 亚洲国产日韩一区二区| 国产精品免费aⅴ片在线观看| 欧美va亚洲va| 欧美精品v日韩精品v韩国精品v| 成人av在线资源| 精品一区中文字幕| 日韩高清中文字幕一区| 一区二区三区四区乱视频| 欧美国产亚洲另类动漫| 精品久久久久av影院| 欧美高清视频www夜色资源网| 国产91在线观看丝袜| 国产一区二区三区免费| 热久久免费视频| 亚洲va国产天堂va久久en| 伊人婷婷欧美激情| 国产精品久久久久久久岛一牛影视| 精品国产一区二区精华| 欧美久久久久久久久中文字幕| 在线观看免费一区| 91一区二区三区在线观看| 成人av电影免费在线播放| 国产传媒一区在线| 国产精品一二三区| 久久电影网电视剧免费观看| 免费在线欧美视频| 五月婷婷久久丁香| 亚洲超碰精品一区二区| 亚洲一区二区三区免费视频| 伊人色综合久久天天人手人婷| 中文字幕在线不卡一区二区三区| 国产女人aaa级久久久级| 久久色.com| 久久久91精品国产一区二区精品| 精品国产乱码久久久久久久久| 欧美一卡2卡3卡4卡| 91精品国产91久久久久久一区二区| 欧美日韩在线亚洲一区蜜芽| 精品污污网站免费看| 欧美中文字幕久久| 欧美日韩高清不卡| 欧美精品久久一区| 日韩一区二区免费视频| 日韩欧美精品在线| 久久美女高清视频| 欧美国产日韩a欧美在线观看| 国产精品视频九色porn| 中文字幕一区二区三| 亚洲日穴在线视频| 亚洲亚洲精品在线观看| 亚洲成人先锋电影| 麻豆一区二区在线| 国产乱色国产精品免费视频| 成人永久免费视频| 欧美日韩成人高清| 欧美挠脚心视频网站| 91精品国产91综合久久蜜臀| 精品蜜桃在线看| 欧美经典一区二区| 日韩美女视频一区| 亚洲va欧美va国产va天堂影院| 日韩中文字幕一区二区三区| 麻豆精品国产传媒mv男同| 国产乱国产乱300精品| 成人黄色软件下载| 91精彩视频在线| 91精品国产福利在线观看| 精品av综合导航| 亚洲国产精品激情在线观看| 亚洲精品国久久99热| 日韩精品电影一区亚洲| 国产在线国偷精品免费看| av电影在线观看完整版一区二区| 91免费国产在线观看| 欧美美女黄视频| wwwwww.欧美系列| 亚洲欧美一区二区三区极速播放| 天堂成人国产精品一区| 国产精品一区二区黑丝| 日本道在线观看一区二区| 日韩免费观看2025年上映的电影 | 制服丝袜中文字幕一区|