WebSVN - shark - Blame - Rev 1049 - /shark/trunk/drivers/usb/shark_glue/shark

Rev	Author	Line No.	Line
1049	mauro	1	#include <linuxcomp.h>
		2
		3	#include <linux/config.h>
		4	#include <linux/types.h>
		5	#include <linux/major.h>
		6	#include <linux/errno.h>
		7	#include <linux/signal.h>
		8
		9	#include "media/pwc-ioctl.h"
		10	#include <linux/videodev.h>
		11	#include <drivers/shark_pwc26.h>
		12
		13	/*
		14	* shark lowlevel wrapper
		15	*/
		16
		17	struct PWC_data {
		18	struct file* file;
		19	struct pwc_imagesize RealSize;
		20	struct pwc_coord m_ViewSize, m_RealSize;
		21	struct pwc_coord m_Offset;
		22	struct video_capability Capability;
		23	struct pwc_probe Probe;
		24	struct video_picture Picture;
		25	struct video_window Window;
		26	struct pwc_video_command VideoCmd;
		27	void m_pPWCXBuffer, m_pInputBuffer, *m_pImageBuffer;
		28	int m_Frames, len, m_UseRaw, m_ImageSize, m_ImageLen;
		29	int m_Type, m_Bandlength, m_Bayer;
		30	int m_InputLen;
		31	};
		32
		33
		34	extern int usb_pwc_init();
		35	extern void* malloc(size_t size);
		36
		37	extern int pwc_video_do_ioctl(struct inode inode, struct file file, unsigned int cmd, void *arg);
		38	extern int pwc_video_open(struct inode inode, struct file file);
		39	extern int pwc_video_close(struct inode inode, struct file file);
		40	extern ssize_t pwc_video_read(struct file file, char buf, size_t count, loff_t *ppos);
		41	extern int pwc_video_ioctl(struct inode inode, struct file file, unsigned int ioctlnr, unsigned long arg);
		42
		43	void shark_PWC_init()
		44	{
		45	usb_pwc_init();
		46	}
		47
		48	int shark_PWC_open(struct PWC26_DEVICE *pwc26, int width, int height, int fps, int quality, int webcamnr)
		49	{
		50	int err;
		51	struct PWC_data *pwc_data;
		52	struct file *file;
		53	struct inode *inode;
		54
		55	pwc_data = malloc(sizeof(struct PWC_data));
		56	pwc26->private_data = (void*)pwc_data;
		57
		58	if (!pwc_data)
		59	return -ENOMEM;
		60
		61	memset(pwc_data, 0, sizeof(struct PWC_data));
		62	file = malloc(sizeof(struct file));
		63	if (!file)
		64	return -ENOMEM;
		65
		66	file->f_dentry= malloc(sizeof(struct dentry));
		67	if (!file->f_dentry)
		68	return -ENOMEM;
		69
		70	file->f_dentry->d_inode = malloc(sizeof(struct inode));
		71	if (!file->f_dentry->d_inode)
		72	return -ENOMEM;
		73
		74	file->f_dentry->d_inode->i_rdev = webcamnr;
		75	inode = file->f_dentry->d_inode;
		76
		77	pwc_data->file = file;
		78	pwc_data->m_ViewSize.x = width;
		79	pwc_data->m_ViewSize.y = height;
		80	pwc_data->m_Frames = fps;
		81
		82	pwc_data->m_RealSize = pwc_data->m_ViewSize;
		83
		84	pwc_data->m_Offset.x = 0;
		85	pwc_data->m_Offset.y = 0;
		86	pwc_data->m_UseRaw = TRUE;
		87	pwc_data->m_Bayer = FALSE;
		88	pwc_data->m_pInputBuffer = NULL;
		89	pwc_data->m_InputLen = 0;
		90	pwc_data->m_pImageBuffer = NULL;
		91	pwc_data->m_ImageLen = NULL;
		92	pwc_data->m_Type = NULL;
		93
		94	pwc_data->m_pPWCXBuffer = malloc(60000); // large enoug for all cams
		95	if (!pwc_data->m_pPWCXBuffer)
		96	return -ENOMEM;
		97
		98	err=pwc_video_open(inode, file);
		99	if (err <0)
		100	return err;
		101
		102	pwc_video_do_ioctl(inode, file, VIDIOCGCAP, &pwc_data->Capability);
		103
		104	printk(KERN_INFO "Capability->type= %d\n", pwc_data->Capability.type);
		105	printk(KERN_INFO "Capability->channels =%d\n",pwc_data->Capability.channels);
		106	printk(KERN_INFO "Capability->audios=%d\n",pwc_data->Capability.audios);
		107	printk(KERN_INFO "Capability->minwidth=%d\n",pwc_data->Capability.minwidth);
		108	printk(KERN_INFO "Capability->minheight=%d\n",pwc_data->Capability.minheight);
		109	printk(KERN_INFO "Capability->maxwidth=%d\n",pwc_data->Capability.maxwidth);
		110	printk(KERN_INFO "Capability->maxheight=%d\n",pwc_data->Capability.maxheight);
		111
		112	memset(&pwc_data->Probe, 0, sizeof(pwc_data->Probe));
		113	pwc_video_do_ioctl(inode, file, VIDIOCPWCPROBE, &pwc_data->Probe);
		114	pwc_video_do_ioctl(inode, file, VIDIOCGPICT, &pwc_data->Picture);
		115
		116	if (pwc_data->m_UseRaw)
		117	pwc_data->Picture.palette = VIDEO_PALETTE_RAW;
		118	else
		119	pwc_data->Picture.palette = VIDEO_PALETTE_YUV420P;
		120
		121	pwc_video_do_ioctl(inode, file, VIDIOCSPICT, &pwc_data->Picture);
		122	pwc_video_do_ioctl(inode, file, VIDIOCGWIN, &pwc_data->Window);
		123
		124	/* unavailable in pwc 10.x */
		125	if (pwc_data->m_Bayer)
		126	{
		127	// special raw Bayer mode
		128	pwc_data->m_ViewSize.x = 640;
		129	pwc_data->m_ViewSize.y = 480;
		130	pwc_data->m_Frames = 5;
		131	pwc_data->m_RealSize = pwc_data->m_ViewSize;
		132	}
		133
		134	pwc_data->Window.width = pwc_data->m_ViewSize.x;
		135	pwc_data->Window.height = pwc_data->m_ViewSize.y;
		136	pwc_data->Window.flags = (pwc_data->m_Frames << PWC_FPS_SHIFT);
		137
		138	if (pwc_data->m_Bayer)
		139	pwc_data->Window.flags \|= PWC_FPS_SNAPSHOT;
		140
		141	pwc_video_do_ioctl(inode, file, VIDIOCSWIN, &pwc_data->Window);
		142
		143	if (pwc_data->m_UseRaw)
		144	{
		145	pwc_video_do_ioctl(inode, file, VIDIOCPWCGVIDCMD, &pwc_data->VideoCmd);
		146
		147	pwc_data->m_Type = pwc_data->VideoCmd.type;
		148	pwc_data->m_InputLen = pwc_data->VideoCmd.frame_size;
		149	pwc_data->m_Bandlength = pwc_data->VideoCmd.bandlength;
		150
		151	if (pwc_data->m_Bandlength > 0)
		152	{
		153	switch(pwc_data->m_Type)
		154	{
		155	case 645:
		156	case 646:
		157	pwcx_init_decompress_Nala(pwc_data->m_Type, pwc_data->VideoCmd.release, &pwc_data->VideoCmd.command_buf, pwc_data->m_pPWCXBuffer);
		158	break;
		159
		160	case 675:
		161	case 680:
		162	case 690:
		163	pwcx_init_decompress_Timon(pwc_data->m_Type, pwc_data->VideoCmd.release, &pwc_data->VideoCmd.command_buf, pwc_data->m_pPWCXBuffer);
		164	break;
		165
		166	case 720:
		167	case 730:
		168	case 740:
		169	case 750:
		170	pwcx_init_decompress_Kiara(pwc_data->m_Type, pwc_data->VideoCmd.release, &pwc_data->VideoCmd.command_buf, pwc_data->m_pPWCXBuffer);
		171	break;
		172
		173	default:
		174	// qDebug("Unknown type of camera (%d)!", VideoCmd.type);
		175	break;
		176	} // ..switch
		177	} // ..m_Bandlength > 0
		178
		179	if (pwc_video_do_ioctl(inode, file, VIDIOCPWCGREALSIZE, &pwc_data->RealSize) == 0)
		180	{
		181	pwc_data->m_Offset.x = (pwc_data->m_ViewSize.x - pwc_data->RealSize.width) / 2;
		182	pwc_data->m_Offset.y = (pwc_data->m_ViewSize.y - pwc_data->RealSize.height) / 2;
		183	}
		184	}
		185
		186	pwc_data->m_ImageLen = pwc_data->m_ViewSize.x * pwc_data->m_ViewSize.y * 3;
		187	pwc_data->m_pImageBuffer = malloc (pwc_data->m_ImageLen);
		188
		189	if (pwc_data->m_UseRaw)
		190	{
		191	pwc_data->m_pInputBuffer = malloc(pwc_data->m_InputLen);
		192	}
		193	else
		194	{
		195	if (pwc_data->m_pImageBuffer != 0)
		196	{
		197	pwc_data->m_pInputBuffer = pwc_data->m_pImageBuffer;
		198	pwc_data->m_InputLen = pwc_data->m_ImageLen;
		199	}
		200	}
		201
		202	pwc26->width=pwc_data->m_ViewSize.x ;
		203	pwc26->height=pwc_data->m_ViewSize.y ;
		204	pwc26->imgptr=(BYTE*)pwc_data->m_pImageBuffer;
		205
		206	return 0;
		207	}
		208
		209	int shark_PWC_read(struct PWC26_DEVICE *pwc26)
		210	{
		211	int len;
		212	struct PWC_data pwc_data = (struct PWC_data)pwc26->private_data;
		213
		214	if (pwc_data->m_pInputBuffer == 0 \|\| pwc_data->m_pImageBuffer == 0)
		215	return -666;
		216
		217	len = pwc_video_read(pwc_data->file, pwc_data->m_pInputBuffer, pwc_data->m_InputLen, 0);
		218
		219	if (len > 0 && pwc_data->m_Bandlength > 0)
		220	{
		221	switch(pwc_data->m_Type)
		222	{
		223	case 645:
		224	case 646:
		225	pwcx_decompress_Nala(&pwc_data->m_RealSize, &pwc_data->m_ViewSize, &pwc_data->m_Offset, \
		226	pwc_data->m_pInputBuffer, pwc_data->m_pImageBuffer, \
		227	PWCX_FLAG_PLANAR, \
		228	pwc_data->m_pPWCXBuffer, pwc_data->m_Bandlength);
		229	break;
		230
		231	case 675:
		232	case 680:
		233	case 690:
		234	pwcx_decompress_Timon(&pwc_data->m_RealSize, &pwc_data->m_ViewSize, &pwc_data->m_Offset, \
		235	pwc_data->m_pInputBuffer, pwc_data->m_pImageBuffer, \
		236	PWCX_FLAG_PLANAR, \
		237	pwc_data->m_pPWCXBuffer, pwc_data->m_Bandlength);
		238	break;
		239
		240	case 720:
		241	case 730:
		242	case 740:
		243	case 750:
		244	pwcx_decompress_Kiara(&pwc_data->m_RealSize, &pwc_data->m_ViewSize, &pwc_data->m_Offset, \
		245	pwc_data->m_pInputBuffer, pwc_data->m_pImageBuffer, \
		246	PWCX_FLAG_PLANAR \| (pwc_data->m_Bayer ? PWCX_FLAG_BAYER : 0), \
		247	pwc_data->m_pPWCXBuffer, pwc_data->m_Bandlength);
		248	break;
		249	}
		250	}
		251	return len;
		252	}
		253
		254	void shark_PWC_close(struct PWC26_DEVICE *pwc26)
		255	{
		256	struct file *file;
		257	struct inode *inode;
		258	struct PWC_data pwc_data = (struct PWC_data)pwc26->private_data;
		259
		260	if (!pwc_data)
		261	return;
		262
		263	free(pwc_data->m_pPWCXBuffer);
		264
		265	file = pwc_data->file;
		266	inode = file->f_dentry->d_inode;
		267	// pwc_video_close(inode, file);
		268
		269	free(inode);
		270	free(file->f_dentry);
		271	free(file);
		272	free(pwc_data);
		273	}

Subversion Repositories shark

(root)/shark/trunk/drivers/usb/shark_glue/shark_pwc.c @ 1075 - Rev 1049