1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 19 #ifndef PV_GAU_H_ 20 #define PV_GAU_H_ 21 #include "oscl_media_data.h" 22 #include "oscl_mem.h" 23 24 #define MAX_NUM_FRAGMENTS 10 25 const uint32 MAX_GAU_BUNDLE = 40; 26 27 struct SimpleBufferFragGroup 28 { 29 int32 num_fragments; //number of buffer fragments in this buffer frag group 30 BufferFragment fragments[MAX_NUM_FRAGMENTS]; //buffer fragments within this group 31 BufferState * buf_states[MAX_NUM_FRAGMENTS]; //buffer state for each buffer fragment 32 33 SimpleBufferFragGroup() 34 : num_fragments(0) 35 { 36 } 37 }; 38 39 struct MediaMetaInfo 40 { 41 uint32 len; //size of the frame 42 uint32 ts; //time stamp 43 uint32 ts_delta; // timestamp delta from the previous timestamp 44 uint32 sample_info; //4 uint8 information together 45 bool dropFlag; 46 uint8 layer; 47 48 //overload < operator for sorting later 49 bool operator < (const struct MediaMetaInfo b) const 50 { 51 if (ts < b.ts) 52 return true; 53 else 54 return false; 55 } 56 57 bool operator <= (const struct MediaMetaInfo b) const 58 { 59 if (ts <= b.ts) 60 return true; 61 else 62 return false; 63 } 64 }; 65 66 67 68 struct GAU 69 { 70 71 uint32 numMediaSamples; //number of media samples within this GAU 72 SimpleBufferFragGroup buf; 73 MediaMetaInfo info[MAX_GAU_BUNDLE]; 74 bool free_buffer_states_when_done; 75 uint64 SampleOffset; 76 OSCL_IMPORT_REF uint32 getSamplesTotalSize(uint32 number, MediaMetaInfo *metaInfo); //return the sum of total sample size 77 78 OSCL_IMPORT_REF GAU(); 79 80 OSCL_IMPORT_REF GAU(GAU & gauElement); 81 82 OSCL_IMPORT_REF ~GAU(); 83 84 void SetFreeBufferStatesWhenDone() 85 { 86 free_buffer_states_when_done = true; 87 } 88 89 /* 90 Return info pointer 91 */ 92 MediaMetaInfo *getInfo(uint32 i) 93 { 94 if (i < MAX_GAU_BUNDLE) 95 return info + i; 96 else 97 return NULL; 98 99 } 100 101 102 int32 AddBufFrag(uint8 *ptr, uint32 len, BufferFreeFuncPtr freeFunc) 103 { 104 if (buf.num_fragments >= MAX_NUM_FRAGMENTS) return 0; 105 106 buf.fragments[buf.num_fragments].ptr = ptr; 107 buf.fragments[buf.num_fragments].len = len; 108 if (buf.buf_states[buf.num_fragments]) OSCL_DELETE(buf.buf_states[buf.num_fragments]); 109 buf.buf_states[buf.num_fragments] = OSCL_NEW(BufferState, ()); 110 buf.buf_states[buf.num_fragments]->bind(ptr, freeFunc); 111 buf.num_fragments ++; 112 return 1; 113 } 114 }; 115 116 117 #endif // PV_GAU_H_ 118
