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 "SoftVideoDecoderOMXComponent.h"
22#include <sys/time.h>
23
24namespace android {
25
26#define ivd_aligned_malloc(alignment, size) memalign(alignment, size)
27#define ivd_aligned_free(buf) free(buf)
28
29/** Number of entries in the time-stamp array */
30#define MAX_TIME_STAMPS 64
31
32/** Maximum number of cores supported by the codec */
33#define CODEC_MAX_NUM_CORES 4
34
35#define CODEC_MAX_WIDTH     1920
36
37#define CODEC_MAX_HEIGHT    1088
38
39/** Input buffer size */
40#define INPUT_BUF_SIZE (1024 * 1024)
41
42#define MIN(a, b) ((a) < (b)) ? (a) : (b)
43
44/** Used to remove warnings about unused parameters */
45#define UNUSED(x) ((void)(x))
46
47/** Get time */
48#define GETTIME(a, b) gettimeofday(a, b);
49
50/** Compute difference between start and end */
51#define TIME_DIFF(start, end, diff) \
52    diff = ((end.tv_sec - start.tv_sec) * 1000000) + \
53            (end.tv_usec - start.tv_usec);
54
55struct SoftHEVC: public SoftVideoDecoderOMXComponent {
56    SoftHEVC(const char *name, const OMX_CALLBACKTYPE *callbacks,
57            OMX_PTR appData, OMX_COMPONENTTYPE **component);
58
59protected:
60    virtual ~SoftHEVC();
61
62    virtual void onQueueFilled(OMX_U32 portIndex);
63    virtual void onPortFlushCompleted(OMX_U32 portIndex);
64    virtual void onReset();
65    virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR params);
66private:
67    // Number of input and output buffers
68    enum {
69        kNumBuffers = 8
70    };
71
72    iv_obj_t *mCodecCtx;         // Codec context
73    iv_mem_rec_t *mMemRecords;   // Memory records requested by the codec
74    size_t mNumMemRecords;       // Number of memory records requested by the codec
75
76    size_t mNumCores;            // Number of cores to be uesd by the codec
77
78    struct timeval mTimeStart;   // Time at the start of decode()
79    struct timeval mTimeEnd;     // Time at the end of decode()
80
81    // Internal buffer to be used to flush out the buffers from decoder
82    uint8_t *mFlushOutBuffer;
83
84    // Status of entries in the timestamp array
85    bool mTimeStampsValid[MAX_TIME_STAMPS];
86
87    // Timestamp array - Since codec does not take 64 bit timestamps,
88    // they are maintained in the plugin
89    OMX_S64 mTimeStamps[MAX_TIME_STAMPS];
90
91    OMX_COLOR_FORMATTYPE mOmxColorFormat;    // OMX Color format
92    IV_COLOR_FORMAT_T mIvColorFormat;        // Ittiam Color format
93
94    bool mIsInFlush;        // codec is flush mode
95    bool mReceivedEOS;      // EOS is receieved on input port
96    bool mInitNeeded;
97    uint32_t mNewWidth;
98    uint32_t mNewHeight;
99    // The input stream has changed to a different resolution, which is still supported by the
100    // codec. So the codec is switching to decode the new resolution.
101    bool mChangingResolution;
102    bool mFlushNeeded;
103
104    status_t initDecoder();
105    status_t deInitDecoder();
106    status_t setFlushMode();
107    status_t setParams(size_t stride);
108    void logVersion();
109    status_t setNumCores();
110    status_t resetDecoder();
111    status_t resetPlugin();
112    status_t reInitDecoder();
113
114    void setDecodeArgs(ivd_video_decode_ip_t *ps_dec_ip,
115        ivd_video_decode_op_t *ps_dec_op,
116        OMX_BUFFERHEADERTYPE *inHeader,
117        OMX_BUFFERHEADERTYPE *outHeader,
118        size_t timeStampIx);
119
120    DISALLOW_EVIL_CONSTRUCTORS (SoftHEVC);
121};
122
123} // namespace android
124
125#endif  // SOFT_HEVC_H_
126