SoftMPEG2.h revision 87fdee0bc9e3ac4d2a88ef0a8e150cfdf08c161d
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 "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 SoftMPEG2 : public SoftVideoDecoderOMXComponent { 56 SoftMPEG2( 57 const char *name, const OMX_CALLBACKTYPE *callbacks, 58 OMX_PTR appData, OMX_COMPONENTTYPE **component); 59 60protected: 61 virtual ~SoftMPEG2(); 62 63 virtual void onQueueFilled(OMX_U32 portIndex); 64 virtual void onPortFlushCompleted(OMX_U32 portIndex); 65 virtual void onReset(); 66 virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR params); 67private: 68 // Number of input and output buffers 69 enum { 70 kNumBuffers = 8 71 }; 72 73 iv_obj_t *mCodecCtx; // Codec context 74 iv_mem_rec_t *mMemRecords; // Memory records requested by the codec 75 size_t mNumMemRecords; // Number of memory records requested by the codec 76 77 size_t mNumCores; // Number of cores to be uesd by the codec 78 79 struct timeval mTimeStart; // Time at the start of decode() 80 struct timeval mTimeEnd; // Time at the end of decode() 81 82 // Internal buffer to be used to flush out the buffers from decoder 83 uint8_t *mFlushOutBuffer; 84 85 // Status of entries in the timestamp array 86 bool mTimeStampsValid[MAX_TIME_STAMPS]; 87 88 // Timestamp array - Since codec does not take 64 bit timestamps, 89 // they are maintained in the plugin 90 OMX_S64 mTimeStamps[MAX_TIME_STAMPS]; 91 92#ifdef FILE_DUMP_ENABLE 93 char mInFile[200]; 94#endif /* FILE_DUMP_ENABLE */ 95 96 OMX_COLOR_FORMATTYPE mOmxColorFormat; // OMX Color format 97 IV_COLOR_FORMAT_T mIvColorFormat; // Ittiam Color format 98 99 bool mIsInFlush; // codec is flush mode 100 bool mReceivedEOS; // EOS is receieved on input port 101 bool mInitNeeded; 102 uint32_t mNewWidth; 103 uint32_t mNewHeight; 104 // The input stream has changed to a different resolution, which is still supported by the 105 // codec. So the codec is switching to decode the new resolution. 106 bool mChangingResolution; 107 bool mFlushNeeded; 108 bool mWaitForI; 109 110 status_t initDecoder(); 111 status_t deInitDecoder(); 112 status_t setFlushMode(); 113 status_t setParams(size_t stride); 114 void logVersion(); 115 status_t setNumCores(); 116 status_t resetDecoder(); 117 status_t resetPlugin(); 118 status_t reInitDecoder(); 119 120 bool setDecodeArgs( 121 ivd_video_decode_ip_t *ps_dec_ip, 122 ivd_video_decode_op_t *ps_dec_op, 123 OMX_BUFFERHEADERTYPE *inHeader, 124 OMX_BUFFERHEADERTYPE *outHeader, 125 size_t timeStampIx); 126 127 DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG2); 128}; 129 130#ifdef FILE_DUMP_ENABLE 131 132#define INPUT_DUMP_PATH "/sdcard/media/mpeg2d_input" 133#define INPUT_DUMP_EXT "m2v" 134 135#define GENERATE_FILE_NAMES() { \ 136 GETTIME(&mTimeStart, NULL); \ 137 strcpy(mInFile, ""); \ 138 sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH, \ 139 mTimeStart.tv_sec, mTimeStart.tv_usec, \ 140 INPUT_DUMP_EXT); \ 141} 142 143#define CREATE_DUMP_FILE(m_filename) { \ 144 FILE *fp = fopen(m_filename, "wb"); \ 145 if (fp != NULL) { \ 146 fclose(fp); \ 147 } else { \ 148 ALOGD("Could not open file %s", m_filename); \ 149 } \ 150} 151#define DUMP_TO_FILE(m_filename, m_buf, m_size) \ 152{ \ 153 FILE *fp = fopen(m_filename, "ab"); \ 154 if (fp != NULL && m_buf != NULL) { \ 155 int i; \ 156 i = fwrite(m_buf, 1, m_size, fp); \ 157 ALOGD("fwrite ret %d to write %d", i, m_size); \ 158 if (i != (int)m_size) { \ 159 ALOGD("Error in fwrite, returned %d", i); \ 160 perror("Error in write to file"); \ 161 } \ 162 fclose(fp); \ 163 } else { \ 164 ALOGD("Could not write to file %s", m_filename);\ 165 } \ 166} 167#else /* FILE_DUMP_ENABLE */ 168#define INPUT_DUMP_PATH 169#define INPUT_DUMP_EXT 170#define OUTPUT_DUMP_PATH 171#define OUTPUT_DUMP_EXT 172#define GENERATE_FILE_NAMES() 173#define CREATE_DUMP_FILE(m_filename) 174#define DUMP_TO_FILE(m_filename, m_buf, m_size) 175#endif /* FILE_DUMP_ENABLE */ 176 177} // namespace android 178 179#endif // SOFT_MPEG2_H_ 180