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 #ifndef TI_M4V_CONFIG_PARSER_H_INCLUDED 19 #define TI_M4V_CONFIG_PARSER_H_INCLUDED 20 21 #include "oscl_base.h" 22 #include "oscl_types.h" 23 24 #include <utils/Log.h> 25 #define LOG_TAG "TI_Parser_Utils" 26 27 #define USE_LATER 0 // for some code that will be needed in the future 28 29 #define MP4_INVALID_VOL_PARAM -1 30 #define SHORT_HEADER_MODE -4 31 32 #define WVGA_MAX_WIDTH 900 33 #define WVGA_MAX_HEIGHT WVGA_MAX_WIDTH 34 35 #define VISUAL_OBJECT_SEQUENCE_START_CODE 0x01B0 36 #define VISUAL_OBJECT_SEQUENCE_END_CODE 0x01B1 37 #define VISUAL_OBJECT_START_CODE 0x01B5 38 #define VO_START_CODE 0x8 39 #define VO_HEADER_LENGTH 32 40 #define VOL_START_CODE 0x12 41 #define VOL_START_CODE_LENGTH 28 42 43 #define GROUP_START_CODE 0x01B3 44 #define GROUP_START_CODE_LENGTH 32 45 46 #define VOP_ID_CODE_LENGTH 5 47 #define VOP_TEMP_REF_CODE_LENGTH 16 48 49 #define USER_DATA_START_CODE 0x01B2 50 #define USER_DATA_START_CODE_LENGTH 32 51 52 #define SHORT_VIDEO_START_MARKER 0x20 53 #define SHORT_VIDEO_START_MARKER_LENGTH 22 54 55 /*Some H264 profiles*/ 56 #define H264_PROFILE_IDC_BASELINE 66 57 #define H264_PROFILE_IDC_MAIN 77 58 #define H264_PROFILE_IDC_EXTENDED 88 59 #define H264_PROFILE_IDC_HIGH 100 60 61 typedef struct 62 { 63 uint8 *data; 64 uint32 numBytes; 65 uint32 bytePos; 66 uint32 bitBuf; 67 uint32 dataBitPos; 68 uint32 bitPos; 69 } mp4StreamType; 70 71 72 int16 ShowBits( 73 mp4StreamType *pStream, 74 uint8 ucNBits, 75 uint32 *pulOutData 76 ); 77 78 int16 FlushBits( 79 mp4StreamType *pStream, 80 uint8 ucNBits 81 ); 82 83 int16 ReadBits( 84 mp4StreamType *pStream, 85 uint8 ucNBits, 86 uint32 *pulOutData 87 ); 88 89 int16 ByteAlign( 90 mp4StreamType *pStream 91 ); 92 93 OSCL_IMPORT_REF int16 iDecodeVOLHeader( 94 mp4StreamType *psBits, 95 int32 *width, 96 int32 *height, 97 int32 *, 98 int32 *, 99 int32 *profilelevel); 100 OSCL_IMPORT_REF int16 iGetM4VConfigInfo( 101 uint8 *buffer, 102 int32 length, 103 int32 *width, 104 int32 *height, 105 int32 *, 106 int32 *); 107 108 int16 DecodeUserData(mp4StreamType *pStream); 109 110 OSCL_IMPORT_REF int16 iDecodeShortHeader( 111 mp4StreamType *psBits, 112 int32 *width, 113 int32 *height, 114 int32 *, 115 int32 *); 116 OSCL_IMPORT_REF int16 iGetAVCConfigInfo( 117 uint8 *buffer, 118 int32 length, 119 int32 *width, 120 int32 *height, 121 int32 *, 122 int32 *, 123 int32 *profile, 124 int32 *level, 125 uint32 *entropy_coding_mode_flag); 126 127 int32 FindNAL(uint8** nal_pnt, uint8* buffer, int32 length); 128 int16 DecodeSPS(mp4StreamType *psBits, int32 *width, int32 *height, int32 *display_width, int32 *display_height, int32 *profile_idc, int32 *level_idc); 129 #if USE_LATER 130 int32 DecodeHRD(mp4StreamType *psBits); 131 int32 DecodeVUI(mp4StreamType *psBits); 132 #endif 133 int32 DecodePPS(mp4StreamType *psBits, uint32 *entropy_coding_mode_flag); 134 135 void ue_v(mp4StreamType *psBits, uint32 *codeNum); 136 void se_v(mp4StreamType *psBits, int32 *value); 137 void Parser_EBSPtoRBSP(uint8 *nal_unit, int32 *size); 138 139 #endif //TI_M4V_CONFIG_PARSER_H_INCLUDED 140 141 142