1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - Initial contribution |
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11 * |
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12 * Contributors: |
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13 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * Header for GOB segment decoding module. |
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17 * |
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18 */ |
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19 |
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20 |
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21 #ifndef _DECGOB_H_ |
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22 #define _DECGOB_H_ |
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23 |
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24 #include "core.h" |
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25 #include "vdcmvc.h" |
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26 #include "vdeims.h" |
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27 #include "MPEG4Transcoder.h" |
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28 class CMPEG4Transcoder; |
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29 /* |
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30 * Defines |
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31 */ |
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32 |
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33 // unify error codes |
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34 #define DGOB_OK_BUT_BIT_ERROR H263D_OK_BUT_BIT_ERROR /* Bit errors detected */ |
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35 #define DGOB_OK H263D_OK |
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36 #define DGOB_ERR H263D_ERROR |
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37 |
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38 /* |
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39 * Structs and typedefs |
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40 */ |
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41 |
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42 /* {{-output"dgobGOBSegmentInParam_t_info.txt" -ignore"*" -noCR}} |
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43 This structure is used to pass input parameters to |
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44 the dgobGetAndDecodeGOBSegment and dgobGetAndDecodeGOBSegmentContents |
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45 functions. |
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46 {{-output"dgobGOBSegmentInParam_t_info.txt"}} */ |
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47 |
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48 /* {{-output"dgobGOBSegmentInParam_t.txt"}} */ |
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49 typedef struct { |
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50 int numStuffBits; /* Number of stuffing bits before GBSC */ |
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51 |
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52 vdcPictureParam_t *pictParam; /* Picture attributes */ |
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53 |
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54 bibBuffer_t *inBuffer; /* Bit Buffer instance */ |
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55 |
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56 |
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57 bibBuffer_t *outBuffer; /* output Bit Buffer instance */ |
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58 bibBufferEdit_t *bufEdit; |
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59 int iColorEffect; |
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60 TBool iGetDecodedFrame; |
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61 |
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62 |
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63 int fGFIDShouldChange; /* If non-zero, the gfid parameter passed in |
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64 the dgobGOBSegmentInOutParam_t structure |
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65 should be different from the value got |
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66 from the bitstream. Otherwise, the values |
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67 should be equal. */ |
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68 |
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69 } dgobGOBSegmentInParam_t; |
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70 /* {{-output"dgobGOBSegmentInParam_t.txt"}} */ |
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71 |
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72 |
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73 |
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74 /* {{-output"dgobGOBSegmentInOutParam_t_info.txt" -ignore"*" -noCR}} |
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75 This structure is used to pass input parameters to |
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76 the dgobGetAndDecodeGOBSegment and dgobGetAndDecodeGOBSegmentContents |
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77 functions. The functions may modify the parameters (or the structures |
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78 pointed by the parameters). |
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79 {{-output"dgobGOBSegmentInOutParam_t_info.txt"}} */ |
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80 |
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81 /* {{-output"dgobGOBSegmentInOutParam_t.txt"}} */ |
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82 typedef struct { |
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83 int prevGNWithHeader; /* GN of the latest decoded GOB with header */ |
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84 |
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85 int prevGN; /* GN of the latest decoded GOB */ |
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86 |
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87 int gfid; /* GFID of the latest GOB header, |
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88 specify -1 if this is the 1st GOB of |
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89 the sequence */ |
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90 |
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91 u_char *fCodedMBs; /* array for coded macroblock flags in |
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92 scan-order, 1 = coded, 0 = not coded */ |
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93 |
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94 int numOfCodedMBs; /* number of coded macroblocks */ |
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95 |
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96 int *quantParams; /* array of quantization parameters for |
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97 macroblocks in scan-order */ |
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98 |
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99 mvcData_t *mvcData; /* Motion Vector Count module instance data */ |
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100 |
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101 vdeIms_t *imageStore; /* VDE Image Store instance data */ |
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102 |
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103 int trp; /* Temporal Reference for Prediction, |
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104 -1 if not indicated in the bitstream */ |
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105 |
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106 int rtr; /* Real TR of the referenced image */ |
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107 |
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108 u_char *refY; /* Reference frame */ |
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109 u_char *refU; |
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110 u_char *refV; |
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111 |
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112 u_char *currPY; /* Current P (or I) frame */ |
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113 u_char *currPU; |
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114 u_char *currPV; |
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115 |
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116 int StartByteIndex; |
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117 int StartBitIndex; |
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118 |
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119 |
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120 } dgobGOBSegmentInOutParam_t; |
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121 /* {{-output"dgobGOBSegmentInOutParam_t.txt"}} */ |
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122 |
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123 |
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124 /* {{-output"dgobGOBCheckParam_t_info.txt" -ignore"*" -noCR}} |
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125 This structure is used to pass input parameters to |
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126 the dgobCheckNextGob function. |
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127 {{-output"dgobGOBCheckParam_t_info.txt"}} */ |
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128 |
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129 /* {{-output"dgobGOBCheckParam_t.txt"}} */ |
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130 typedef struct { |
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131 bibBuffer_t *inBuffer; /* Bit Buffer instance */ |
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132 |
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133 bibBuffer_t *outBuffer; /* Out Bit Buffer instance data */ |
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134 int StartByteIndex; |
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135 int StartBitIndex; |
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136 |
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137 vdcPictureParam_t *pictParam; /* Picture attributes */ |
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138 int numStuffBits; /* Number of stuffing bits before GBSC */ |
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139 int prevGN; /* GN of the latest GOB */ |
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140 int gfid; /* GFID of the frame */ |
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141 } dgobCheckParam_t; |
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142 /* {{-output"dgobGOBCheckParam_t.txt"}} */ |
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143 |
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144 |
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145 /* |
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146 * Functions prototypes |
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147 */ |
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148 |
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149 int dgobGetAndDecodeGOBSegment( |
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150 const dgobGOBSegmentInParam_t *inParam, |
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151 dgobGOBSegmentInOutParam_t *inOutParam, CMPEG4Transcoder *hTranscoder); |
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152 |
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153 int dgobGetAndDecodeGOBSegmentContents( |
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154 const dgobGOBSegmentInParam_t *inParam, |
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155 int fGetNewReferenceFrame, |
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156 int quant, |
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157 dgobGOBSegmentInOutParam_t *inOutParam, CMPEG4Transcoder *hTranscoder); |
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158 |
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159 int dgobCheckNextGob( |
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160 dgobCheckParam_t *param , CMPEG4Transcoder *hTranscoder); |
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161 |
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162 #endif |
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163 // End of File |
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