1/*
2 * Copyright (C) 2014 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
17#ifndef SOFT_HEVC_H_
18
19#define SOFT_HEVC_H_
20
21#include <media/stagefright/omx/SoftVideoDecoderOMXComponent.h>
22#include <sys/time.h>
23
24namespace android {
25
26/** Number of entries in the time-stamp array */
27#define MAX_TIME_STAMPS 64
28
29/** Maximum number of cores supported by the codec */
30#define CODEC_MAX_NUM_CORES 4
31
32#define CODEC_MAX_WIDTH     1920
33
34#define CODEC_MAX_HEIGHT    1088
35
36/** Input buffer size */
37#define INPUT_BUF_SIZE (1024 * 1024)
38
39#define MIN(a, b) ((a) < (b)) ? (a) : (b)
40
41/** Used to remove warnings about unused parameters */
42#define UNUSED(x) ((void)(x))
43
44/** Get time */
45#define GETTIME(a, b) gettimeofday(a, b);
46
47/** Compute difference between start and end */
48#define TIME_DIFF(start, end, diff) \
49    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
50            ((end).tv_usec - (start).tv_usec);
51
52struct SoftHEVC: public SoftVideoDecoderOMXComponent {
53    SoftHEVC(const char *name, const OMX_CALLBACKTYPE *callbacks,
54            OMX_PTR appData, OMX_COMPONENTTYPE **component);
55
56    status_t init();
57
58protected:
59    virtual ~SoftHEVC();
60
61    virtual void onQueueFilled(OMX_U32 portIndex);
62    virtual void onPortFlushCompleted(OMX_U32 portIndex);
63    virtual void onReset();
64    virtual int getColorAspectPreference();
65private:
66    // Number of input and output buffers
67    enum {
68        kNumBuffers = 8
69    };
70
71    iv_obj_t *mCodecCtx;         // Codec context
72
73    size_t mNumCores;            // Number of cores to be uesd by the codec
74
75    struct timeval mTimeStart;   // Time at the start of decode()
76    struct timeval mTimeEnd;     // Time at the end of decode()
77
78    // Internal buffer to be used to flush out the buffers from decoder
79    uint8_t *mFlushOutBuffer;
80
81    // Status of entries in the timestamp array
82    bool mTimeStampsValid[MAX_TIME_STAMPS];
83
84    // Timestamp array - Since codec does not take 64 bit timestamps,
85    // they are maintained in the plugin
86    OMX_S64 mTimeStamps[MAX_TIME_STAMPS];
87
88    OMX_COLOR_FORMATTYPE mOmxColorFormat;    // OMX Color format
89    IV_COLOR_FORMAT_T mIvColorFormat;        // Ittiam Color format
90
91    bool mIsInFlush;        // codec is flush mode
92    bool mReceivedEOS;      // EOS is receieved on input port
93
94    // The input stream has changed to a different resolution, which is still supported by the
95    // codec. So the codec is switching to decode the new resolution.
96    bool mChangingResolution;
97    bool mFlushNeeded;
98    bool mSignalledError;
99    size_t mStride;
100
101    status_t initDecoder();
102    status_t deInitDecoder();
103    status_t setFlushMode();
104    status_t setParams(size_t stride);
105    void logVersion();
106    status_t setNumCores();
107    status_t resetDecoder();
108    status_t resetPlugin();
109
110    bool setDecodeArgs(ivd_video_decode_ip_t *ps_dec_ip,
111        ivd_video_decode_op_t *ps_dec_op,
112        OMX_BUFFERHEADERTYPE *inHeader,
113        OMX_BUFFERHEADERTYPE *outHeader,
114        size_t timeStampIx);
115
116    bool getVUIParams();
117
118    DISALLOW_EVIL_CONSTRUCTORS (SoftHEVC);
119};
120
121} // namespace android
122
123#endif  // SOFT_HEVC_H_
124