1 /* 2 * Copyright 2015 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_MPEG2_H_ 18 19 #define SOFT_MPEG2_H_ 20 21 #include <media/stagefright/omx/SoftVideoDecoderOMXComponent.h> 22 #include <sys/time.h> 23 24 namespace 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 55 struct SoftMPEG2 : public SoftVideoDecoderOMXComponent { 56 SoftMPEG2( 57 const char *name, const OMX_CALLBACKTYPE *callbacks, 58 OMX_PTR appData, OMX_COMPONENTTYPE **component); 59 60 protected: 61 virtual ~SoftMPEG2(); 62 63 virtual void onQueueFilled(OMX_U32 portIndex); 64 virtual void onPortFlushCompleted(OMX_U32 portIndex); 65 virtual void onReset(); 66 virtual int getColorAspectPreference(); 67 virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR params); 68 private: 69 // Number of input and output buffers 70 enum { 71 kNumBuffers = 8 72 }; 73 74 iv_obj_t *mCodecCtx; // Codec context 75 iv_mem_rec_t *mMemRecords; // Memory records requested by the codec 76 size_t mNumMemRecords; // Number of memory records requested by the codec 77 78 size_t mNumCores; // Number of cores to be uesd by the codec 79 80 struct timeval mTimeStart; // Time at the start of decode() 81 struct timeval mTimeEnd; // Time at the end of decode() 82 83 // Internal buffer to be used to flush out the buffers from decoder 84 uint8_t *mFlushOutBuffer; 85 86 // Status of entries in the timestamp array 87 bool mTimeStampsValid[MAX_TIME_STAMPS]; 88 89 // Timestamp array - Since codec does not take 64 bit timestamps, 90 // they are maintained in the plugin 91 OMX_S64 mTimeStamps[MAX_TIME_STAMPS]; 92 93 #ifdef FILE_DUMP_ENABLE 94 char mInFile[200]; 95 #endif /* FILE_DUMP_ENABLE */ 96 97 OMX_COLOR_FORMATTYPE mOmxColorFormat; // OMX Color format 98 IV_COLOR_FORMAT_T mIvColorFormat; // Ittiam Color format 99 100 bool mIsInFlush; // codec is flush mode 101 bool mReceivedEOS; // EOS is receieved on input port 102 bool mInitNeeded; 103 uint32_t mNewWidth; 104 uint32_t mNewHeight; 105 // The input stream has changed to a different resolution, which is still supported by the 106 // codec. So the codec is switching to decode the new resolution. 107 bool mChangingResolution; 108 bool mFlushNeeded; 109 bool mSignalledError; 110 bool mWaitForI; 111 size_t mStride; 112 113 status_t initDecoder(); 114 status_t deInitDecoder(); 115 status_t setFlushMode(); 116 status_t setParams(size_t stride); 117 void logVersion(); 118 status_t setNumCores(); 119 status_t resetDecoder(); 120 status_t resetPlugin(); 121 status_t reInitDecoder(); 122 123 bool setDecodeArgs( 124 ivd_video_decode_ip_t *ps_dec_ip, 125 ivd_video_decode_op_t *ps_dec_op, 126 OMX_BUFFERHEADERTYPE *inHeader, 127 OMX_BUFFERHEADERTYPE *outHeader, 128 size_t timeStampIx); 129 130 bool getSeqInfo(); 131 132 DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG2); 133 }; 134 135 #ifdef FILE_DUMP_ENABLE 136 137 #define INPUT_DUMP_PATH "/sdcard/media/mpeg2d_input" 138 #define INPUT_DUMP_EXT "m2v" 139 140 #define GENERATE_FILE_NAMES() { \ 141 GETTIME(&mTimeStart, NULL); \ 142 strcpy(mInFile, ""); \ 143 sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH, \ 144 mTimeStart.tv_sec, mTimeStart.tv_usec, \ 145 INPUT_DUMP_EXT); \ 146 } 147 148 #define CREATE_DUMP_FILE(m_filename) { \ 149 FILE *fp = fopen(m_filename, "wb"); \ 150 if (fp != NULL) { \ 151 fclose(fp); \ 152 } else { \ 153 ALOGD("Could not open file %s", m_filename); \ 154 } \ 155 } 156 #define DUMP_TO_FILE(m_filename, m_buf, m_size) \ 157 { \ 158 FILE *fp = fopen(m_filename, "ab"); \ 159 if (fp != NULL && m_buf != NULL) { \ 160 int i; \ 161 i = fwrite(m_buf, 1, m_size, fp); \ 162 ALOGD("fwrite ret %d to write %d", i, m_size); \ 163 if (i != (int)m_size) { \ 164 ALOGD("Error in fwrite, returned %d", i); \ 165 perror("Error in write to file"); \ 166 } \ 167 fclose(fp); \ 168 } else { \ 169 ALOGD("Could not write to file %s", m_filename);\ 170 } \ 171 } 172 #else /* FILE_DUMP_ENABLE */ 173 #define INPUT_DUMP_PATH 174 #define INPUT_DUMP_EXT 175 #define OUTPUT_DUMP_PATH 176 #define OUTPUT_DUMP_EXT 177 #define GENERATE_FILE_NAMES() 178 #define CREATE_DUMP_FILE(m_filename) 179 #define DUMP_TO_FILE(m_filename, m_buf, m_size) 180 #endif /* FILE_DUMP_ENABLE */ 181 182 } // namespace android 183 184 #endif // SOFT_MPEG2_H_ 185
