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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 #include <util/C2InterfaceHelper.h>
28 
29 #include "ih264_typedefs.h"
30 #include "ih264d.h"
31 
32 namespace android {
33 
34 #define ivdec_api_function              ih264d_api_function
35 #define ivdext_create_ip_t              ih264d_create_ip_t
36 #define ivdext_create_op_t              ih264d_create_op_t
37 #define ivdext_delete_ip_t              ih264d_delete_ip_t
38 #define ivdext_delete_op_t              ih264d_delete_op_t
39 #define ivdext_ctl_set_num_cores_ip_t   ih264d_ctl_set_num_cores_ip_t
40 #define ivdext_ctl_set_num_cores_op_t   ih264d_ctl_set_num_cores_op_t
41 #define ivdext_ctl_get_vui_params_ip_t  ih264d_ctl_get_vui_params_ip_t
42 #define ivdext_ctl_get_vui_params_op_t  ih264d_ctl_get_vui_params_op_t
43 #define ALIGN128(x)                     ((((x) + 127) >> 7) << 7)
44 #define MAX_NUM_CORES                   4
45 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
46         (IVD_CONTROL_API_COMMAND_TYPE_T)IH264D_CMD_CTL_SET_NUM_CORES
47 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
48 
49 #ifdef FILE_DUMP_ENABLE
50     #define INPUT_DUMP_PATH     "/sdcard/clips/avcd_input"
51     #define INPUT_DUMP_EXT      "h264"
52     #define GENERATE_FILE_NAMES() {                         \
53         nsecs_t now = systemTime();                         \
54         strcpy(mInFile, "");                                \
55         sprintf(mInFile, "%s_%" PRId64 "d.%s",              \
56                 INPUT_DUMP_PATH, now,                       \
57                 INPUT_DUMP_EXT);                            \
58     }
59     #define CREATE_DUMP_FILE(m_filename) {                  \
60         FILE *fp = fopen(m_filename, "wb");                 \
61         if (fp != NULL) {                                   \
62             fclose(fp);                                     \
63         } else {                                            \
64             ALOGD("Could not open file %s", m_filename);    \
65         }                                                   \
66     }
67     #define DUMP_TO_FILE(m_filename, m_buf, m_size, m_offset)\
68     {                                                       \
69         FILE *fp = fopen(m_filename, "ab");                 \
70         if (fp != NULL && m_buf != NULL && m_offset == 0) { \
71             int i;                                          \
72             i = fwrite(m_buf, 1, m_size, fp);               \
73             ALOGD("fwrite ret %d to write %d", i, m_size);  \
74             if (i != (int) m_size) {                        \
75                 ALOGD("Error in fwrite, returned %d", i);   \
76                 perror("Error in write to file");           \
77             }                                               \
78         } else if (fp == NULL) {                            \
79             ALOGD("Could not write to file %s", m_filename);\
80         }                                                   \
81         if (fp) {                                           \
82             fclose(fp);                                     \
83         }                                                   \
84     }
85 #else /* FILE_DUMP_ENABLE */
86     #define INPUT_DUMP_PATH
87     #define INPUT_DUMP_EXT
88     #define OUTPUT_DUMP_PATH
89     #define OUTPUT_DUMP_EXT
90     #define GENERATE_FILE_NAMES()
91     #define CREATE_DUMP_FILE(m_filename)
92     #define DUMP_TO_FILE(m_filename, m_buf, m_size, m_offset)
93 #endif /* FILE_DUMP_ENABLE */
94 
95 
96 class C2SoftAvcDec : public SimpleC2Component {
97 public:
98     class IntfImpl;
99     C2SoftAvcDec(const char *name, c2_node_id_t id, const std::shared_ptr<IntfImpl> &intfImpl);
100     C2SoftAvcDec(const char *name, c2_node_id_t id,
101                  const std::shared_ptr<C2ReflectorHelper> &helper);
102     virtual ~C2SoftAvcDec();
103 
104     // From SimpleC2Component
105     c2_status_t onInit() override;
106     c2_status_t onStop() override;
107     void onReset() override;
108     void onRelease() override;
109     c2_status_t onFlush_sm() override;
110     void process(
111             const std::unique_ptr<C2Work> &work,
112             const std::shared_ptr<C2BlockPool> &pool) override;
113     c2_status_t drain(
114             uint32_t drainMode,
115             const std::shared_ptr<C2BlockPool> &pool) override;
116 
117 private:
118     status_t createDecoder();
119     status_t setNumCores();
120     status_t setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode);
121     void getVersion();
122     status_t initDecoder();
123     bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
124                        ivd_video_decode_op_t *ps_decode_op,
125                        C2ReadView *inBuffer,
126                        C2GraphicView *outBuffer,
127                        size_t inOffset,
128                        size_t inSize,
129                        uint32_t tsMarker);
130     bool getVuiParams();
131     c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool);
132     void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work);
133     status_t setFlushMode();
134     c2_status_t drainInternal(
135             uint32_t drainMode,
136             const std::shared_ptr<C2BlockPool> &pool,
137             const std::unique_ptr<C2Work> &work);
138     status_t resetDecoder();
139     void resetPlugin();
140     status_t deleteDecoder();
141 
142     std::shared_ptr<IntfImpl> mIntf;
143 
144     // TODO:This is not the right place for this enum. These should
145     // be part of c2-vndk so that they can be accessed by all video plugins
146     // until then, make them feel at home
147     enum {
148         kNotSupported,
149         kPreferBitstream,
150         kPreferContainer,
151     };
152 
153     iv_obj_t *mDecHandle;
154     std::shared_ptr<C2GraphicBlock> mOutBlock;
155     uint8_t *mOutBufferFlush;
156 
157     size_t mNumCores;
158     IV_COLOR_FORMAT_T mIvColorFormat;
159     uint32_t mOutputDelay;
160     uint32_t mWidth;
161     uint32_t mHeight;
162     uint32_t mStride;
163     bool mSignalledOutputEos;
164     bool mSignalledError;
165     bool mHeaderDecoded;
166     std::atomic_uint64_t mOutIndex;
167     // Color aspects. These are ISO values and are meant to detect changes in aspects to avoid
168     // converting them to C2 values for each frame
169     struct VuiColorAspects {
170         uint8_t primaries;
171         uint8_t transfer;
172         uint8_t coeffs;
173         uint8_t fullRange;
174 
175         // default color aspects
VuiColorAspectsVuiColorAspects176         VuiColorAspects()
177             : primaries(2), transfer(2), coeffs(2), fullRange(0) { }
178 
179         bool operator==(const VuiColorAspects &o) const {
180             return primaries == o.primaries && transfer == o.transfer && coeffs == o.coeffs
181                     && fullRange == o.fullRange;
182         }
183     } mBitstreamColorAspects;
184 
185     // profile
186     nsecs_t mTimeStart = 0;
187     nsecs_t mTimeEnd = 0;
188 #ifdef FILE_DUMP_ENABLE
189     char mInFile[200];
190 #endif /* FILE_DUMP_ENABLE */
191 
192     C2_DO_NOT_COPY(C2SoftAvcDec);
193 };
194 
195 }  // namespace android
196 
197 #endif  // ANDROID_C2_SOFT_AVC_DEC_H_
198