QCamera3Channel.h revision b66f295ef24aea24873bcf80cee589835338e2a1 
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#include "QCamera3PostProc.h"
37#include "QCamera3HALHeader.h"
38
39extern "C" {
40#include <mm_camera_interface.h>
41}
42
43using namespace android;
44
45namespace qcamera {
46
47typedef void (*channel_cb_routine)(mm_camera_super_buf_t *metadata,
48                                camera3_stream_buffer_t *buffer,
49                                uint32_t frame_number, void *userdata);
50
51class QCamera3Channel
52{
53public:
54    QCamera3Channel(uint32_t cam_handle,
55                   mm_camera_ops_t *cam_ops,
56                   channel_cb_routine cb_routine,
57                   cam_padding_info_t *paddingInfo,
58                   void *userData);
59    QCamera3Channel();
60    virtual ~QCamera3Channel();
61
62    int32_t addStream(cam_stream_type_t streamType,
63                              cam_format_t streamFormat,
64                              cam_dimension_t streamDim,
65                              uint8_t minStreamBufnum);
66    int32_t start();
67    int32_t stop();
68    int32_t bufDone(mm_camera_super_buf_t *recvd_frame);
69
70    virtual int32_t registerBuffers(uint32_t num_buffers,
71                        buffer_handle_t **buffers) = 0;
72    virtual int32_t initialize() = 0;
73    virtual int32_t request(buffer_handle_t * /*buffer*/,
74                uint32_t /*frameNumber*/){ return 0;};
75    virtual int32_t request(buffer_handle_t * /*buffer*/,
76                uint32_t /*frameNumber*/,
77                jpeg_settings_t* /*mJpegSettings*/){ return 0;};
78    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
79                            QCamera3Stream *stream) = 0;
80
81    virtual QCamera3Memory *getStreamBufs(uint32_t len) = 0;
82    virtual void putStreamBufs() = 0;
83
84    QCamera3Stream *getStreamByHandle(uint32_t streamHandle);
85    uint32_t getMyHandle() const {return m_handle;};
86    uint8_t getNumOfStreams() const {return m_numStreams;};
87    QCamera3Stream *getStreamByIndex(uint8_t index);
88
89    static void streamCbRoutine(mm_camera_super_buf_t *super_frame,
90                QCamera3Stream *stream, void *userdata);
91protected:
92
93   virtual int32_t init(mm_camera_channel_attr_t *attr,
94                         mm_camera_buf_notify_t dataCB);
95    int32_t allocateStreamInfoBuf(camera3_stream_t *stream);
96
97    uint32_t m_camHandle;
98    mm_camera_ops_t *m_camOps;
99    bool m_bIsActive;
100
101    uint32_t m_handle;
102    uint8_t m_numStreams;
103    QCamera3Stream *mStreams[MAX_STREAM_NUM_IN_BUNDLE];
104    mm_camera_buf_notify_t mDataCB;
105    void *mUserData;
106
107    QCamera3HeapMemory *mStreamInfoBuf;
108    channel_cb_routine mChannelCB;
109    cam_padding_info_t *mPaddingInfo;
110};
111
112/* QCamera3RegularChannel is used to handle all streams that are directly
113 * generated by hardware and given to frameworks without any postprocessing at HAL.
114 * Examples are: all IMPLEMENTATION_DEFINED streams, CPU_READ streams. */
115class QCamera3RegularChannel : public QCamera3Channel
116{
117public:
118    QCamera3RegularChannel(uint32_t cam_handle,
119                    mm_camera_ops_t *cam_ops,
120                    channel_cb_routine cb_routine,
121                    cam_padding_info_t *paddingInfo,
122                    void *userData,
123                    camera3_stream_t *stream);
124    virtual ~QCamera3RegularChannel();
125
126    virtual int32_t initialize();
127    virtual int32_t request(buffer_handle_t *buffer, uint32_t frameNumber);
128    virtual int32_t registerBuffers(uint32_t num_buffers,
129                                buffer_handle_t **buffers);
130    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
131                                            QCamera3Stream *stream);
132
133    virtual QCamera3Memory *getStreamBufs(uint32_t le);
134    virtual void putStreamBufs();
135
136public:
137    static int kMaxBuffers;
138private:
139    camera3_stream_t *mCamera3Stream;
140    uint32_t mNumBufs;
141    buffer_handle_t **mCamera3Buffers;
142
143    QCamera3GrallocMemory *mMemory;
144};
145
146/* QCamera3MetadataChannel is for metadata stream generated by camera daemon. */
147class QCamera3MetadataChannel : public QCamera3Channel
148{
149public:
150    QCamera3MetadataChannel(uint32_t cam_handle,
151                    mm_camera_ops_t *cam_ops,
152                    channel_cb_routine cb_routine,
153                    cam_padding_info_t *paddingInfo,
154                    void *userData);
155    virtual ~QCamera3MetadataChannel();
156
157    virtual int32_t initialize();
158
159    virtual int32_t request(buffer_handle_t *buffer, uint32_t frameNumber);
160    virtual int32_t registerBuffers(uint32_t num_buffers,
161                buffer_handle_t **buffers);
162    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
163                            QCamera3Stream *stream);
164
165    virtual QCamera3Memory *getStreamBufs(uint32_t le);
166    virtual void putStreamBufs();
167
168#ifdef FAKE_FRAME_NUMBERS
169    uint32_t startingFrameNumber;
170#endif
171
172private:
173    QCamera3HeapMemory *mMemory;
174};
175
176/* QCamera3PicChannel is for JPEG stream, which contains a YUV stream generated
177 * by the hardware, and encoded to a JPEG stream */
178class QCamera3PicChannel : public QCamera3Channel
179{
180public:
181    QCamera3PicChannel(uint32_t cam_handle,
182            mm_camera_ops_t *cam_ops,
183            channel_cb_routine cb_routine,
184            cam_padding_info_t *paddingInfo,
185            void *userData,
186            camera3_stream_t *stream);
187    ~QCamera3PicChannel();
188
189    virtual int32_t initialize();
190
191    virtual int32_t request(buffer_handle_t *buffer,
192            uint32_t frameNumber, jpeg_settings_t* mJpegSettings);
193    virtual int32_t registerBuffers(uint32_t num_buffers,
194            buffer_handle_t **buffers);
195    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
196            QCamera3Stream *stream);
197
198    virtual QCamera3Memory *getStreamBufs(uint32_t le);
199    virtual void putStreamBufs();
200    bool needOnlineRotation();
201    void getThumbnailSize(cam_dimension_t &dim);
202    int getJpegQuality();
203    int getJpegRotation();
204    QCamera3Exif *getExifData();
205    static void jpegEvtHandle(jpeg_job_status_t status,
206            uint32_t /*client_hdl*/,
207            uint32_t jobId,
208            mm_jpeg_output_t *p_output,
209            void *userdata);
210    static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame,
211            void *userdata);
212
213public:
214    static int kMaxBuffers;
215private:
216    camera3_stream_t *mCamera3Stream;
217    uint32_t mNumBufs;
218    buffer_handle_t **mCamera3Buffers;
219    jpeg_settings_t* mJpegSettings;
220    int32_t mCurrentBufIndex;
221
222
223    QCamera3GrallocMemory *mMemory;
224    QCamera3HeapMemory *mYuvMemory;
225    QCamera3PostProcessor m_postprocessor; // post processor
226};
227
228}; // namespace qcamera
229
230#endif /* __QCAMERA_CHANNEL_H__ */
231