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1 /*
2  * Copyright 2017 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 ANDROID_C2_SOFT_AVC_DEC_H_
18 #define ANDROID_C2_SOFT_AVC_DEC_H_
19 
20 #include <sys/time.h>
21 #include <inttypes.h>
22 
23 #include <media/stagefright/foundation/ColorUtils.h>
24 
25 #include <atomic>
26 #include <SimpleC2Component.h>
27 
28 #include "ih264_typedefs.h"
29 #include "ih264d.h"
30 
31 namespace android {
32 
33 #define ivdec_api_function              ih264d_api_function
34 #define ivdext_create_ip_t              ih264d_create_ip_t
35 #define ivdext_create_op_t              ih264d_create_op_t
36 #define ivdext_delete_ip_t              ih264d_delete_ip_t
37 #define ivdext_delete_op_t              ih264d_delete_op_t
38 #define ivdext_ctl_set_num_cores_ip_t   ih264d_ctl_set_num_cores_ip_t
39 #define ivdext_ctl_set_num_cores_op_t   ih264d_ctl_set_num_cores_op_t
40 #define ivdext_ctl_get_vui_params_ip_t  ih264d_ctl_get_vui_params_ip_t
41 #define ivdext_ctl_get_vui_params_op_t  ih264d_ctl_get_vui_params_op_t
42 #define ALIGN128(x)                     ((((x) + 127) >> 7) << 7)
43 #define MAX_NUM_CORES                   4
44 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
45         (IVD_CONTROL_API_COMMAND_TYPE_T)IH264D_CMD_CTL_SET_NUM_CORES
46 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
47 
48 #ifdef FILE_DUMP_ENABLE
49     #define INPUT_DUMP_PATH     "/sdcard/clips/avcd_input"
50     #define INPUT_DUMP_EXT      "h264"
51     #define GENERATE_FILE_NAMES() {                         \
52         nsecs_t now = systemTime();                         \
53         strcpy(mInFile, "");                                \
54         sprintf(mInFile, "%s_%" PRId64 "d.%s",              \
55                 INPUT_DUMP_PATH, now,                       \
56                 INPUT_DUMP_EXT);                            \
57     }
58     #define CREATE_DUMP_FILE(m_filename) {                  \
59         FILE *fp = fopen(m_filename, "wb");                 \
60         if (fp != NULL) {                                   \
61             fclose(fp);                                     \
62         } else {                                            \
63             ALOGD("Could not open file %s", m_filename);    \
64         }                                                   \
65     }
66     #define DUMP_TO_FILE(m_filename, m_buf, m_size, m_offset)\
67     {                                                       \
68         FILE *fp = fopen(m_filename, "ab");                 \
69         if (fp != NULL && m_buf != NULL && m_offset == 0) { \
70             int i;                                          \
71             i = fwrite(m_buf, 1, m_size, fp);               \
72             ALOGD("fwrite ret %d to write %d", i, m_size);  \
73             if (i != (int) m_size) {                        \
74                 ALOGD("Error in fwrite, returned %d", i);   \
75                 perror("Error in write to file");           \
76             }                                               \
77         } else if (fp == NULL) {                            \
78             ALOGD("Could not write to file %s", m_filename);\
79         }                                                   \
80         if (fp) {                                           \
81             fclose(fp);                                     \
82         }                                                   \
83     }
84 #else /* FILE_DUMP_ENABLE */
85     #define INPUT_DUMP_PATH
86     #define INPUT_DUMP_EXT
87     #define OUTPUT_DUMP_PATH
88     #define OUTPUT_DUMP_EXT
89     #define GENERATE_FILE_NAMES()
90     #define CREATE_DUMP_FILE(m_filename)
91     #define DUMP_TO_FILE(m_filename, m_buf, m_size, m_offset)
92 #endif /* FILE_DUMP_ENABLE */
93 
94 
95 class C2SoftAvcDec : public SimpleC2Component {
96 public:
97     class IntfImpl;
98     C2SoftAvcDec(const char *name, c2_node_id_t id, const std::shared_ptr<IntfImpl> &intfImpl);
99     virtual ~C2SoftAvcDec();
100 
101     // From SimpleC2Component
102     c2_status_t onInit() override;
103     c2_status_t onStop() override;
104     void onReset() override;
105     void onRelease() override;
106     c2_status_t onFlush_sm() override;
107     void process(
108             const std::unique_ptr<C2Work> &work,
109             const std::shared_ptr<C2BlockPool> &pool) override;
110     c2_status_t drain(
111             uint32_t drainMode,
112             const std::shared_ptr<C2BlockPool> &pool) override;
113 
114 private:
115     status_t createDecoder();
116     status_t setNumCores();
117     status_t setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode);
118     void getVersion();
119     status_t initDecoder();
120     bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
121                        ivd_video_decode_op_t *ps_decode_op,
122                        C2ReadView *inBuffer,
123                        C2GraphicView *outBuffer,
124                        size_t inOffset,
125                        size_t inSize,
126                        uint32_t tsMarker);
127     bool getVuiParams();
128     c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool);
129     void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work);
130     status_t setFlushMode();
131     c2_status_t drainInternal(
132             uint32_t drainMode,
133             const std::shared_ptr<C2BlockPool> &pool,
134             const std::unique_ptr<C2Work> &work);
135     status_t resetDecoder();
136     void resetPlugin();
137     status_t deleteDecoder();
138 
139     std::shared_ptr<IntfImpl> mIntf;
140 
141     // TODO:This is not the right place for this enum. These should
142     // be part of c2-vndk so that they can be accessed by all video plugins
143     // until then, make them feel at home
144     enum {
145         kNotSupported,
146         kPreferBitstream,
147         kPreferContainer,
148     };
149 
150     iv_obj_t *mDecHandle;
151     std::shared_ptr<C2GraphicBlock> mOutBlock;
152     uint8_t *mOutBufferFlush;
153 
154     size_t mNumCores;
155     IV_COLOR_FORMAT_T mIvColorFormat;
156     uint32_t mOutputDelay;
157     uint32_t mWidth;
158     uint32_t mHeight;
159     uint32_t mStride;
160     bool mSignalledOutputEos;
161     bool mSignalledError;
162     bool mHeaderDecoded;
163     std::atomic_uint64_t mOutIndex;
164     // Color aspects. These are ISO values and are meant to detect changes in aspects to avoid
165     // converting them to C2 values for each frame
166     struct VuiColorAspects {
167         uint8_t primaries;
168         uint8_t transfer;
169         uint8_t coeffs;
170         uint8_t fullRange;
171 
172         // default color aspects
VuiColorAspectsVuiColorAspects173         VuiColorAspects()
174             : primaries(2), transfer(2), coeffs(2), fullRange(0) { }
175 
176         bool operator==(const VuiColorAspects &o) {
177             return primaries == o.primaries && transfer == o.transfer && coeffs == o.coeffs
178                     && fullRange == o.fullRange;
179         }
180     } mBitstreamColorAspects;
181 
182     // profile
183     nsecs_t mTimeStart = 0;
184     nsecs_t mTimeEnd = 0;
185 #ifdef FILE_DUMP_ENABLE
186     char mInFile[200];
187 #endif /* FILE_DUMP_ENABLE */
188 
189     C2_DO_NOT_COPY(C2SoftAvcDec);
190 };
191 
192 }  // namespace android
193 
194 #endif  // ANDROID_C2_SOFT_AVC_DEC_H_
195