path: root/v4l2_vdin.h (plain)
blob: 1d6ce2446abff9b910d2a200dc22d641e782fe5a

1	/*
2	* Copyright (C) 2013 The Android Open Source Project
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	#include <signal.h>
17	#include <stdio.h>
18	#include <stdlib.h>
19	#include <string.h>
20	#include <fcntl.h>
21	#include <unistd.h>
22	#include <errno.h>
23	#include <sys/ioctl.h>
24	#include <sys/mman.h>
25	#include <sys/select.h>
26	#include <linux/videodev2.h>
27	#include <sys/time.h>
28
29	#include <utils/KeyedVector.h>
30	#include <cutils/properties.h>
31	#include <sys/types.h>
32	#include <sys/stat.h>
33	#include <utils/threads.h>
34	#include <android/native_window.h>
35	#include <gralloc_priv.h>
36
37	#include <hardware/aml_screen.h>
38
39	namespace android {
40
41	#define NB_BUFFER 6
42
43	struct VideoInfo {
44	struct v4l2_capability cap;
45	struct v4l2_format format;
46	struct v4l2_buffer buf;
47	struct v4l2_requestbuffers rb;
48	long *mem[NB_BUFFER];
49	unsigned canvas[NB_BUFFER];
50	unsigned refcount[NB_BUFFER];
51	bool isStreaming;
52	int width;
53	int height;
54	int formatIn;
55	int framesizeIn;
56	int displaymode;
57	int dimming_flag;
58	};
59	enum State{
60	START,
61	PAUSE,
62	STOPING,
63	STOP,
64	};
65
66	enum FrameType{
67	NATIVE_WINDOW_DATA = 0x1,
68	CALL_BACK_DATA = 0x2,
69	};
70
71	typedef void (*olStateCB)(int state);
72
73	typedef void (*app_data_callback)(void *user, aml_screen_buffer_info_t *buff_info);
74
75	#define SCREENSOURCE_GRALLOC_USAGE GRALLOC_USAGE_HW_TEXTURE | \
76	GRALLOC_USAGE_HW_RENDER | \
77	GRALLOC_USAGE_SW_READ_RARELY | \
78	GRALLOC_USAGE_SW_WRITE_NEVER
79	/**
80	* set_port_type() parameter description:
81	portType is consisted by 32-bit binary.
82	bit 28 : start tvin service flag, 1 : enable, 0 : disable.
83	bit 24 : vdin device num : 0 or 1, which means use vdin0 or vdin1.
84	bit 15~0 : tvin port type --TVIN_PORT_VIU,TVIN_PORT_HDMI0...
85	(port type define in tvin.h)
86	*/
87	class vdin_screen_source {
88	public:
89	vdin_screen_source();
90	~vdin_screen_source();
91	int init(int id);
92	int start();
93	int stop();
94	int pause();
95	int get_format();
96	int set_format(int width = 640, int height = 480, int color_format = V4L2_PIX_FMT_NV21);
97	int set_rotation(int degree);
98	int set_crop(int x, int y, int width, int height);
99	int get_amlvideo2_crop(int *x, int *y, int *width, int *height);
100	int set_amlvideo2_crop(int x, int y, int width, int height);
101	int aquire_buffer(aml_screen_buffer_info_t *buff_info);
102	// int inc_buffer_refcount(int* ptr);
103	int release_buffer(long* ptr);
104	int set_state_callback(olStateCB callback);
105	int set_data_callback(app_data_callback callback, void* user);
106	int set_preview_window(ANativeWindow* window);
107	int set_frame_rate(int frameRate);
108	int get_current_sourcesize(int * width,int * height);
109	int set_screen_mode(int mode);
110	int start_v4l2_device();
111	int stop_v4l2_device();
112	int get_port_type();
113	int set_port_type(unsigned int portType);
114	int set_mode(int display_mode);
115	int microdimming(long* src, unsigned char *dest);
116	private:
117	int init_native_window();
118	int workThread();
119	private:
120	class WorkThread : public Thread {
121	vdin_screen_source* mSource;
122	public:
123	WorkThread(vdin_screen_source* source) :
124	Thread(false), mSource(source) { }
125	virtual void onFirstRef() {
126	run("vdin screen source work thread", PRIORITY_URGENT_DISPLAY);
127	}
128	virtual bool threadLoop() {
129	mSource->workThread();
130	// loop until we need to quit
131	return true;
132	}
133	};
134	private:
135	int mCurrentIndex;
136	KeyedVector<long *, long> mBufs;
137	KeyedVector<long *, long> mTemp_Bufs;
138	int mBufferCount;
139	int mFrameWidth;
140	int mFrameHeight;
141	int mBufferSize;
142	unsigned int flex_ratio;
143	unsigned int flex_original;
144	int mFramecount = 0;
145	int m_FrameHeight = 0;
146	int m_FrameWidth = 0;
147	int m_rest = 0;
148	int m_displaymode;
149	volatile int mState;
150	olStateCB mSetStateCB;
151	int mPixelFormat;
152	int mNativeWindowPixelFormat;
153	sp<ANativeWindow> mANativeWindow;
154	sp<WorkThread> mWorkThread;
155	mutable Mutex mLock;
156	int mCameraHandle;
157	struct VideoInfo *mVideoInfo;
158	int mFrameType;
159	app_data_callback mDataCB;
160	bool mOpen;
161	void *mUser;
162	long * src_temp[4];
163	};
164
165	}