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      1 /*
      2  * Copyright (C) 2018 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_HEVC_DEC_H_
     18 #define ANDROID_C2_SOFT_HEVC_DEC_H_
     19 
     20 #include <media/stagefright/foundation/ColorUtils.h>
     21 
     22 #include <SimpleC2Component.h>
     23 
     24 #include "ihevc_typedefs.h"
     25 #include "iv.h"
     26 #include "ivd.h"
     27 
     28 namespace android {
     29 
     30 #define ivdec_api_function              ihevcd_cxa_api_function
     31 #define ivdext_create_ip_t              ihevcd_cxa_create_ip_t
     32 #define ivdext_create_op_t              ihevcd_cxa_create_op_t
     33 #define ivdext_delete_ip_t              ihevcd_cxa_delete_ip_t
     34 #define ivdext_delete_op_t              ihevcd_cxa_delete_op_t
     35 #define ivdext_ctl_set_num_cores_ip_t   ihevcd_cxa_ctl_set_num_cores_ip_t
     36 #define ivdext_ctl_set_num_cores_op_t   ihevcd_cxa_ctl_set_num_cores_op_t
     37 #define ivdext_ctl_get_vui_params_ip_t  ihevcd_cxa_ctl_get_vui_params_ip_t
     38 #define ivdext_ctl_get_vui_params_op_t  ihevcd_cxa_ctl_get_vui_params_op_t
     39 #define ALIGN64(x)                      ((((x) + 63) >> 6) << 6)
     40 #define MAX_NUM_CORES                   4
     41 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
     42         (IVD_CONTROL_API_COMMAND_TYPE_T)IHEVCD_CXA_CMD_CTL_SET_NUM_CORES
     43 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
     44 #define GETTIME(a, b)                   gettimeofday(a, b);
     45 #define TIME_DIFF(start, end, diff)     \
     46     diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
     47             ((end).tv_usec - (start).tv_usec);
     48 
     49 
     50 struct C2SoftHevcDec : public SimpleC2Component {
     51     class IntfImpl;
     52 
     53     C2SoftHevcDec(const char* name, c2_node_id_t id,
     54                   const std::shared_ptr<IntfImpl>& intfImpl);
     55     virtual ~C2SoftHevcDec();
     56 
     57     // From SimpleC2Component
     58     c2_status_t onInit() override;
     59     c2_status_t onStop() override;
     60     void onReset() override;
     61     void onRelease() override;
     62     c2_status_t onFlush_sm() override;
     63     void process(
     64             const std::unique_ptr<C2Work> &work,
     65             const std::shared_ptr<C2BlockPool> &pool) override;
     66     c2_status_t drain(
     67             uint32_t drainMode,
     68             const std::shared_ptr<C2BlockPool> &pool) override;
     69  private:
     70     status_t createDecoder();
     71     status_t setNumCores();
     72     status_t setParams(size_t stride);
     73     status_t getVersion();
     74     status_t initDecoder();
     75     bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
     76                        ivd_video_decode_op_t *ps_decode_op,
     77                        C2ReadView *inBuffer,
     78                        C2GraphicView *outBuffer,
     79                        size_t inOffset,
     80                        size_t inSize,
     81                        uint32_t tsMarker);
     82     bool getVuiParams();
     83     // TODO:This is not the right place for colorAspects functions. These should
     84     // be part of c2-vndk so that they can be accessed by all video plugins
     85     // until then, make them feel at home
     86     bool colorAspectsDiffer(const ColorAspects &a, const ColorAspects &b);
     87     void updateFinalColorAspects(
     88             const ColorAspects &otherAspects, const ColorAspects &preferredAspects);
     89     status_t handleColorAspectsChange();
     90     c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool);
     91     void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work);
     92     status_t setFlushMode();
     93     c2_status_t drainInternal(
     94             uint32_t drainMode,
     95             const std::shared_ptr<C2BlockPool> &pool,
     96             const std::unique_ptr<C2Work> &work);
     97     status_t resetDecoder();
     98     void resetPlugin();
     99     status_t deleteDecoder();
    100 
    101     // TODO:This is not the right place for this enum. These should
    102     // be part of c2-vndk so that they can be accessed by all video plugins
    103     // until then, make them feel at home
    104     enum {
    105         kNotSupported,
    106         kPreferBitstream,
    107         kPreferContainer,
    108     };
    109 
    110     std::shared_ptr<IntfImpl> mIntf;
    111     iv_obj_t *mDecHandle;
    112     std::shared_ptr<C2GraphicBlock> mOutBlock;
    113     uint8_t *mOutBufferFlush;
    114 
    115     size_t mNumCores;
    116     IV_COLOR_FORMAT_T mIvColorformat;
    117 
    118     uint32_t mWidth;
    119     uint32_t mHeight;
    120     uint32_t mStride;
    121     bool mSignalledOutputEos;
    122     bool mSignalledError;
    123 
    124     // ColorAspects
    125     Mutex mColorAspectsLock;
    126     int mPreference;
    127     ColorAspects mDefaultColorAspects;
    128     ColorAspects mBitstreamColorAspects;
    129     ColorAspects mFinalColorAspects;
    130     bool mUpdateColorAspects;
    131 
    132     // profile
    133     struct timeval mTimeStart;
    134     struct timeval mTimeEnd;
    135 
    136     C2_DO_NOT_COPY(C2SoftHevcDec);
    137 };
    138 
    139 }  // namespace android
    140 
    141 #endif  // ANDROID_C2_SOFT_HEVC_DEC_H_
    142