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 _MP4DEC_API_H_ 19 #define _MP4DEC_API_H_ 20 21 #include "m4vh263_decoder_pv_types.h" 22 23 // #define PV_TOLERATE_VOL_ERRORS 24 #define PV_MEMORY_POOL 25 26 #ifndef _PV_TYPES_ 27 #define _PV_TYPES_ 28 29 typedef uint Bool; 30 31 #define PV_CODEC_INIT 0 32 #define PV_CODEC_STOP 1 33 #endif 34 35 #define PV_TRUE 1 36 #define PV_FALSE 0 37 38 /* flag for post-processing 4/25/00 */ 39 40 #ifdef DEC_NOPOSTPROC 41 #undef PV_POSTPROC_ON /* enable compilation of post-processing code */ 42 #else 43 #define PV_POSTPROC_ON 44 #endif 45 46 #define PV_NO_POST_PROC 0 47 #define PV_DEBLOCK 1 48 #define PV_DERING 2 49 50 51 52 #include "visual_header.h" // struct VolInfo is defined 53 54 55 /**@name Structure and Data Types 56 * These type definitions specify the input / output from the PVMessage 57 * library. 58 */ 59 60 /*@{*/ 61 /* The application has to allocate space for this structure */ 62 typedef struct tagOutputFrame 63 { 64 uint8 *data; /* pointer to output YUV buffer */ 65 uint32 timeStamp; /* time stamp */ 66 } OutputFrame; 67 68 typedef struct tagApplicationData 69 { 70 int layer; /* current video layer */ 71 void *object; /* some optional data field */ 72 } applicationData; 73 74 /* Application controls, this structed shall be allocated */ 75 /* and initialized in the application. */ 76 typedef struct tagvideoDecControls 77 { 78 /* The following fucntion pointer is copied to BitstreamDecVideo structure */ 79 /* upon initialization and never used again. */ 80 int (*readBitstreamData)(uint8 *buf, int nbytes_required, void *appData); 81 applicationData appData; 82 83 uint8 *outputFrame; 84 void *videoDecoderData; /* this is an internal pointer that is only used */ 85 /* in the decoder library. */ 86 #ifdef PV_MEMORY_POOL 87 int32 size; 88 #endif 89 int nLayers; 90 /* pointers to VOL data for frame-based decoding. */ 91 uint8 *volbuf[2]; /* maximum of 2 layers for now */ 92 int32 volbuf_size[2]; 93 94 } VideoDecControls; 95 96 typedef enum 97 { 98 H263_MODE = 0, MPEG4_MODE, UNKNOWN_MODE 99 } MP4DecodingMode; 100 101 typedef enum 102 { 103 MP4_I_FRAME, MP4_P_FRAME, MP4_B_FRAME, MP4_BAD_FRAME 104 } MP4FrameType; 105 106 typedef struct tagVopHeaderInfo 107 { 108 int currLayer; 109 uint32 timestamp; 110 MP4FrameType frameType; 111 int refSelCode; 112 int16 quantizer; 113 } VopHeaderInfo; 114 115 /*--------------------------------------------------------------------------* 116 * VideoRefCopyInfo: 117 * OMAP DSP specific typedef structure, to support the user (ARM) copying 118 * of a Reference Frame into the Video Decoder. 119 *--------------------------------------------------------------------------*/ 120 typedef struct tagVideoRefCopyInfoPtr 121 { 122 uint8 *yChan; /* The Y component frame the user can copy a new reference to */ 123 uint8 *uChan; /* The U component frame the user can copy a new reference to */ 124 uint8 *vChan; /* The V component frame the user can copy a new reference to */ 125 uint8 *currentVop; /* The Vop for video the user can copy a new reference to */ 126 } VideoRefCopyInfoPtr; 127 128 typedef struct tagVideoRefCopyInfoData 129 { 130 int16 width; /* Width */ 131 int16 height; /* Height */ 132 int16 realWidth; /* Non-padded width, not a multiple of 16. */ 133 int16 realHeight; /* Non-padded height, not a multiple of 16. */ 134 } VideoRefCopyInfoData; 135 136 typedef struct tagVideoRefCopyInfo 137 { 138 VideoRefCopyInfoData data; 139 VideoRefCopyInfoPtr ptrs; 140 } VideoRefCopyInfo; 141 142 /*@}*/ 143 144 #ifdef __cplusplus 145 extern "C" 146 { 147 #endif 148 149 150 OSCL_IMPORT_REF Bool PVInitVideoDecoder(VideoDecControls *decCtrl, uint8 *volbuf[], int32 *volbuf_size, int nLayers, int width, int height, MP4DecodingMode mode); 151 Bool PVAllocVideoData(VideoDecControls *decCtrl, int width, int height, int nLayers); 152 OSCL_IMPORT_REF Bool PVCleanUpVideoDecoder(VideoDecControls *decCtrl); 153 Bool PVResetVideoDecoder(VideoDecControls *decCtrl); 154 OSCL_IMPORT_REF void PVSetReferenceYUV(VideoDecControls *decCtrl, uint8 *refYUV); 155 Bool PVDecSetReference(VideoDecControls *decCtrl, uint8 *refYUV, uint32 timestamp); 156 Bool PVDecSetEnhReference(VideoDecControls *decCtrl, uint8 *refYUV, uint32 timestamp); 157 OSCL_IMPORT_REF Bool PVDecodeVideoFrame(VideoDecControls *decCtrl, uint8 *bitstream[], uint32 *timestamp, int32 *buffer_size, uint use_ext_timestamp[], uint8* currYUV); 158 Bool PVDecodeVopHeader(VideoDecControls *decCtrl, uint8 *buffer[], uint32 timestamp[], int32 buffer_size[], VopHeaderInfo *header_info, uint use_ext_timestamp[], uint8 *currYUV); 159 Bool PVDecodeVopBody(VideoDecControls *decCtrl, int32 buffer_size[]); 160 void PVDecPostProcess(VideoDecControls *decCtrl, uint8 *outputYUV); 161 OSCL_IMPORT_REF void PVGetVideoDimensions(VideoDecControls *decCtrl, int32 *display_width, int32 *display_height); 162 OSCL_IMPORT_REF void PVGetBufferDimensions(VideoDecControls *decCtrl, int32 *buf_width, int32 *buf_height); 163 OSCL_IMPORT_REF void PVSetPostProcType(VideoDecControls *decCtrl, int mode); 164 uint32 PVGetVideoTimeStamp(VideoDecControls *decoderControl); 165 int PVGetDecBitrate(VideoDecControls *decCtrl); 166 int PVGetDecFramerate(VideoDecControls *decCtrl); 167 uint8 *PVGetDecOutputFrame(VideoDecControls *decCtrl); 168 int PVGetLayerID(VideoDecControls *decCtrl); 169 int32 PVGetDecMemoryUsage(VideoDecControls *decCtrl); 170 OSCL_IMPORT_REF MP4DecodingMode PVGetDecBitstreamMode(VideoDecControls *decCtrl); 171 Bool PVExtractVolHeader(uint8 *video_buffer, uint8 *vol_header, int32 *vol_header_size); 172 int32 PVLocateFrameHeader(uint8 *video_buffer, int32 vop_size); 173 int32 PVLocateH263FrameHeader(uint8 *video_buffer, int32 vop_size); 174 Bool PVGetVolInfo(VideoDecControls *decCtrl, VolInfo *pVolInfo); // BX 6/24/04 175 Bool IsIntraFrame(VideoDecControls *decoderControl); 176 177 #ifdef __cplusplus 178 } 179 #endif 180 #endif /* _MP4DEC_API_H_ */ 181 182
