QCamera3Channel.h revision 9de643761e1282fb5af14a9249618efa9d8ac8fe 
1/* Copyright (c) 2012-2013, The Linux Foundataion. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef __QCAMERA3_CHANNEL_H__
31#define __QCAMERA3_CHANNEL_H__
32
33#include <hardware/camera3.h>
34#include "QCamera3Stream.h"
35#include "QCamera3Mem.h"
36
37extern "C" {
38#include <mm_camera_interface.h>
39}
40
41using namespace android;
42
43namespace qcamera {
44
45typedef void (*channel_cb_routine)(mm_camera_buf_def_t *frame,
46                                camera3_stream_buffer_t *buffer, void *userdata);
47
48class QCamera3Channel
49{
50public:
51    QCamera3Channel(uint32_t cam_handle,
52                   mm_camera_ops_t *cam_ops,
53                   channel_cb_routine cb_routine);
54    QCamera3Channel();
55    virtual ~QCamera3Channel();
56
57    int32_t addStream(cam_stream_type_t streamType,
58                              cam_format_t streamFormat,
59                              cam_dimension_t streamDim,
60                              uint8_t minStreamBufnum,
61                              cam_padding_info_t *paddingInfo);
62    int32_t start();
63    int32_t stop();
64    int32_t bufDone(mm_camera_super_buf_t *recvd_frame);
65
66    virtual int32_t registerBuffers(uint32_t num_buffers,
67                        buffer_handle_t **buffers) = 0;
68    virtual int32_t request(const camera3_stream_buffer_t *buffer) = 0;
69    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
70                            QCamera3Stream *stream) = 0;
71
72    virtual QCamera3Memory *getStreamBufs(uint32_t len) = 0;
73    virtual void putStreamBufs() = 0;
74
75    QCamera3Stream *getStreamByHandle(uint32_t streamHandle);
76    uint32_t getMyHandle() const {return m_handle;};
77    uint8_t getNumOfStreams() const {return m_numStreams;};
78    QCamera3Stream *getStreamByIndex(uint8_t index);
79
80    static void streamCbRoutine(mm_camera_super_buf_t *super_frame,
81                QCamera3Stream *stream, void *userdata);
82protected:
83
84    virtual int32_t init(mm_camera_channel_attr_t *attr,
85                         mm_camera_buf_notify_t dataCB, // data CB for channel data
86                         cam_padding_info_t *paddingInfo,
87                         void *userData);
88    int32_t allocateStreamInfoBuf(camera3_stream_t *stream);
89
90    uint32_t m_camHandle;
91    mm_camera_ops_t *m_camOps;
92    bool m_bIsActive;
93
94    uint32_t m_handle;
95    uint8_t m_numStreams;
96    QCamera3Stream *mStreams[MAX_STREAM_NUM_IN_BUNDLE];
97    mm_camera_buf_notify_t mDataCB;
98    void *mUserData;
99
100    QCamera3HeapMemory *mStreamInfoBuf;
101    channel_cb_routine mChannelCB;
102    cam_padding_info_t *mPaddingInfo;
103};
104
105/* QCamera3RegularChannel is used to handle all streams that are directly
106 * generated by hardware and given to frameworks without any postprocessing at HAL.
107 * Examples are: all IMPLEMENTATION_DEFINED streams, CPU_READ streams. */
108class QCamera3RegularChannel : public QCamera3Channel
109{
110public:
111    QCamera3RegularChannel(uint32_t cam_handle,
112                    mm_camera_ops_t *cam_ops,
113                    channel_cb_routine cb_routine,
114                    camera3_stream_t *stream);
115    virtual ~QCamera3RegularChannel();
116
117    virtual int32_t request(const camera3_stream_buffer_t *buffer);
118    virtual int32_t registerBuffers(uint32_t num_buffers,
119                                buffer_handle_t **buffers);
120    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
121                                            QCamera3Stream *stream);
122
123    virtual QCamera3Memory *getStreamBufs(uint32_t le);
124    virtual void putStreamBufs();
125
126public:
127    static int kMaxBuffers;
128private:
129    camera3_stream_t *mCamera3Stream;
130    uint32_t mNumBufs;
131    buffer_handle_t **mCamera3Buffers;
132
133    QCamera3GrallocMemory *mMemory;
134};
135
136/* QCamera3MetadataChannel is for metadata stream generated by camera daemon. */
137class QCamera3MetadataChannel : public QCamera3Channel
138{
139public:
140    QCamera3MetadataChannel(uint32_t cam_handle,
141                    mm_camera_ops_t *cam_ops,
142                    channel_cb_routine cb_routine);
143    virtual ~QCamera3MetadataChannel();
144
145    int32_t initialize();
146
147    virtual int32_t request(const camera3_stream_buffer_t *buffer);
148    virtual int32_t registerBuffers(uint32_t num_buffers,
149                buffer_handle_t **buffers);
150    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
151                            QCamera3Stream *stream);
152
153    virtual QCamera3Memory *getStreamBufs(uint32_t le);
154    virtual void putStreamBufs();
155
156private:
157    QCamera3HeapMemory *mMemory;
158    bool mStarted;
159};
160
161/* QCamera3PicChannel is for JPEG stream, which contains a YUV stream generated
162 * by the hardware, and encoded to a JPEG stream */
163class QCamera3PicChannel : public QCamera3Channel
164{
165public:
166    QCamera3PicChannel(uint32_t cam_handle,
167                    mm_camera_ops_t *cam_ops,
168                    channel_cb_routine cb_routine,
169                    camera3_stream_t *stream);
170    ~QCamera3PicChannel();
171
172    virtual int32_t request(const camera3_stream_buffer_t *buffer);
173    virtual int32_t registerBuffers(uint32_t num_buffers,
174                        buffer_handle_t **buffers);
175    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
176                            QCamera3Stream *stream);
177
178    virtual QCamera3Memory *getStreamBufs(uint32_t le);
179    virtual void putStreamBufs();
180
181public:
182    static int kMaxBuffers;
183private:
184    camera3_stream_t *mCamera3Stream;
185    uint32_t mNumBufs;
186    camera3_stream_buffer_set_t *mCamera3Buffers;
187
188    QCamera3GrallocMemory *mJpegMemory;
189    QCamera3HeapMemory *mYuvMemory;
190};
191
192}; // namespace qcamera
193
194#endif /* __QCAMERA_CHANNEL_H__ */
195