QCamera3Channel.h revision a4f99c05471ae7d2b57f20b1178e0a8597596fb0 
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, uint32_t frameNumber){ return 0;};
74    virtual int32_t request(buffer_handle_t *buffer, uint32_t frameNumber, jpeg_settings_t* mJpegSettings){ return 0;};
75    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
76                            QCamera3Stream *stream) = 0;
77
78    virtual QCamera3Memory *getStreamBufs(uint32_t len) = 0;
79    virtual void putStreamBufs() = 0;
80
81    QCamera3Stream *getStreamByHandle(uint32_t streamHandle);
82    uint32_t getMyHandle() const {return m_handle;};
83    uint8_t getNumOfStreams() const {return m_numStreams;};
84    QCamera3Stream *getStreamByIndex(uint8_t index);
85
86    static void streamCbRoutine(mm_camera_super_buf_t *super_frame,
87                QCamera3Stream *stream, void *userdata);
88protected:
89
90   virtual int32_t init(mm_camera_channel_attr_t *attr,
91                         mm_camera_buf_notify_t dataCB);
92    int32_t allocateStreamInfoBuf(camera3_stream_t *stream);
93
94    uint32_t m_camHandle;
95    mm_camera_ops_t *m_camOps;
96    bool m_bIsActive;
97
98    uint32_t m_handle;
99    uint8_t m_numStreams;
100    QCamera3Stream *mStreams[MAX_STREAM_NUM_IN_BUNDLE];
101    mm_camera_buf_notify_t mDataCB;
102    void *mUserData;
103
104    QCamera3HeapMemory *mStreamInfoBuf;
105    channel_cb_routine mChannelCB;
106    cam_padding_info_t *mPaddingInfo;
107};
108
109/* QCamera3RegularChannel is used to handle all streams that are directly
110 * generated by hardware and given to frameworks without any postprocessing at HAL.
111 * Examples are: all IMPLEMENTATION_DEFINED streams, CPU_READ streams. */
112class QCamera3RegularChannel : public QCamera3Channel
113{
114public:
115    QCamera3RegularChannel(uint32_t cam_handle,
116                    mm_camera_ops_t *cam_ops,
117                    channel_cb_routine cb_routine,
118                    cam_padding_info_t *paddingInfo,
119                    void *userData,
120                    camera3_stream_t *stream);
121    virtual ~QCamera3RegularChannel();
122
123    virtual int32_t initialize();
124    virtual int32_t request(buffer_handle_t *buffer, uint32_t frameNumber);
125    virtual int32_t registerBuffers(uint32_t num_buffers,
126                                buffer_handle_t **buffers);
127    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
128                                            QCamera3Stream *stream);
129
130    virtual QCamera3Memory *getStreamBufs(uint32_t le);
131    virtual void putStreamBufs();
132
133public:
134    static int kMaxBuffers;
135private:
136    camera3_stream_t *mCamera3Stream;
137    uint32_t mNumBufs;
138    buffer_handle_t **mCamera3Buffers;
139
140    QCamera3GrallocMemory *mMemory;
141};
142
143/* QCamera3MetadataChannel is for metadata stream generated by camera daemon. */
144class QCamera3MetadataChannel : public QCamera3Channel
145{
146public:
147    QCamera3MetadataChannel(uint32_t cam_handle,
148                    mm_camera_ops_t *cam_ops,
149                    channel_cb_routine cb_routine,
150                    cam_padding_info_t *paddingInfo,
151                    void *userData);
152    virtual ~QCamera3MetadataChannel();
153
154    virtual int32_t initialize();
155
156    virtual int32_t request(buffer_handle_t *buffer, uint32_t frameNumber);
157    virtual int32_t registerBuffers(uint32_t num_buffers,
158                buffer_handle_t **buffers);
159    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
160                            QCamera3Stream *stream);
161
162    virtual QCamera3Memory *getStreamBufs(uint32_t le);
163    virtual void putStreamBufs();
164
165#ifdef FAKE_FRAME_NUMBERS
166    uint32_t startingFrameNumber;
167#endif
168
169private:
170    QCamera3HeapMemory *mMemory;
171};
172
173/* QCamera3PicChannel is for JPEG stream, which contains a YUV stream generated
174 * by the hardware, and encoded to a JPEG stream */
175class QCamera3PicChannel : public QCamera3Channel
176{
177public:
178    QCamera3PicChannel(uint32_t cam_handle,
179            mm_camera_ops_t *cam_ops,
180            channel_cb_routine cb_routine,
181            cam_padding_info_t *paddingInfo,
182            void *userData,
183            camera3_stream_t *stream);
184    ~QCamera3PicChannel();
185
186    virtual int32_t initialize();
187
188    virtual int32_t request(buffer_handle_t *buffer,
189            uint32_t frameNumber, jpeg_settings_t* mJpegSettings);
190    virtual int32_t registerBuffers(uint32_t num_buffers,
191            buffer_handle_t **buffers);
192    virtual void streamCbRoutine(mm_camera_super_buf_t *super_frame,
193            QCamera3Stream *stream);
194
195    virtual QCamera3Memory *getStreamBufs(uint32_t le);
196    virtual void putStreamBufs();
197    bool needOnlineRotation();
198    void getThumbnailSize(cam_dimension_t &dim);
199    int getJpegQuality();
200    int getJpegRotation();
201    QCamera3Exif *getExifData();
202    static void jpegEvtHandle(jpeg_job_status_t status,
203            uint32_t /*client_hdl*/,
204            uint32_t jobId,
205            mm_jpeg_output_t *p_output,
206            void *userdata);
207    static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame,
208            void *userdata);
209
210public:
211    static int kMaxBuffers;
212private:
213    camera3_stream_t *mCamera3Stream;
214    uint32_t mNumBufs;
215    buffer_handle_t **mCamera3Buffers;
216    jpeg_settings_t* mJpegSettings;
217    int32_t mCurrentBufIndex;
218
219
220    QCamera3GrallocMemory *mMemory;
221    QCamera3HeapMemory *mYuvMemory;
222    QCamera3PostProcessor m_postprocessor; // post processor
223};
224
225}; // namespace qcamera
226
227#endif /* __QCAMERA_CHANNEL_H__ */
228