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 macroblock content blocks decoding functions. |
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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 |
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22 |
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23 #ifndef _DECMBDCT_H_ |
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24 #define _DECMBDCT_H_ |
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25 |
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26 /* |
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27 * Includes |
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28 */ |
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29 |
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30 #include "block.h" |
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31 #include "vdcaic.h" |
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32 |
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33 #include "biblin.h" |
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34 |
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35 class CMPEG4Transcoder; |
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36 |
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37 /* |
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38 * Defines |
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39 */ |
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40 |
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41 // unify error codes |
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42 #define DMD_BIT_ERR H263D_OK_BUT_BIT_ERROR |
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43 #define DMD_OK H263D_OK |
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44 #define DMD_ERR H263D_ERROR |
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45 |
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46 |
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47 /* |
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48 * Structs and typedefs |
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49 */ |
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50 |
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51 /* {{-output"dmdBOfPBParam_t_info.txt" -ignore"*" -noCR}} |
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52 This structure is used to pass parameters to |
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53 the dmdGetAndDecodeBOfPBMBBlocks function. |
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54 {{-output"dmdBOfPBParam_t_info.txt"}} */ |
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55 |
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56 /* {{-output"dmdBOfPBParam_t.txt"}} */ |
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57 typedef struct { |
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58 bibBuffer_t *inBuffer; /* Bit Buffer instance data */ |
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59 |
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60 |
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61 bibBuffer_t *outBuffer; /* Out Bit Buffer instance data */ |
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62 int StartByteIndex; |
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63 int StartBitIndex; |
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64 |
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65 int cbpb; /* Coded block pattern for B-blocks */ |
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66 |
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67 int quant; /* Current quantizer */ |
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68 |
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69 BLC_COPY_PREDICTION_MB_PARAM /* See block.h */ |
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70 |
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71 int fMQ; /* Modified Quantization Mode flag */ |
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72 |
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73 } dmdBOfPBParam_t; |
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74 /* {{-output"dmdBOfPBParam_t.txt"}} */ |
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75 |
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76 |
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77 /* {{-output"dmdIParam_t_info.txt" -ignore"*" -noCR}} |
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78 This structure is used to pass parameters to |
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79 the dmdGetAndDecodeIMBBlocks function. |
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80 {{-output"dmdIParam_t_info.txt"}} */ |
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81 |
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82 /* {{-output"dmdIParam_t.txt"}} */ |
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83 typedef struct { |
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84 bibBuffer_t *inBuffer; /* Bit Buffer instance data */ |
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85 |
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86 |
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87 bibBuffer_t *outBuffer; /* Out Bit Buffer instance data */ |
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88 bibBufferEdit_t *bufEdit; |
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89 int iColorEffect; |
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90 TBool iGetDecodedFrame; |
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91 int StartByteIndex; |
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92 int StartBitIndex; |
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93 |
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94 |
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95 int cbpy; /* Coded block pattern for luminance */ |
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96 |
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97 int cbpc; /* Coded block pattern for chrominance */ |
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98 |
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99 int quant; /* Current quantizer */ |
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100 |
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101 int yWidth; /* Picture width in luminance pixels */ |
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102 |
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103 u_char *yMBInFrame; /* Current macroblock in frame */ |
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104 u_char *uBlockInFrame; |
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105 u_char *vBlockInFrame; |
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106 |
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107 int xPosInMBs; /* Horizontal position of the macroblock |
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108 (in macroblocks), |
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109 0 .. (numMBsInMBLine - 1) */ |
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110 |
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111 int yPosInMBs; /* Vertical position of the macroblock, |
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112 (in macroblocks), 0 .. */ |
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113 |
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114 int numMBLinesInGOB; /* Number of macroblock lines in GOB */ |
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115 |
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116 int pictureType; /* Picture type is one of the following: |
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117 VDX_PIC_TYPE_I INTRA |
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118 VDX_PIC_TYPE_P INTER |
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119 VDX_PIC_TYPE_PB PB (Annex G) |
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120 VDX_PIC_TYPE_IPB Improved PB |
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121 VDX_PIC_TYPE_B B (Annex O) |
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122 VDX_PIC_TYPE_EI EI (Annex O) |
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123 VDX_PIC_TYPE_EP EP (Annex O) */ |
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124 |
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125 int numMBsInMBLine; /* Number of MBs in one MB Line */ |
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126 |
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127 int fGOBHeaderPresent; /* 1 if GOB header is present.*/ |
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128 |
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129 int predMode; /* prediction mode given by INTRA_MODE field */ |
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130 |
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131 int fMQ; /* Modified Quantization Mode flag */ |
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132 |
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133 int sumBEI; /* Sum (bit-wise OR) of bit error indications for the whole MB */ |
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134 |
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135 int rightOfBorder; /* There is a border on the left of the current MB */ |
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136 |
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137 int downOfBorder; /* There is a border on top of the current MB */ |
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138 |
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139 } dmdIParam_t; |
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140 /* {{-output"dmdIParam_t.txt"}} */ |
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141 |
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142 /* {{-output"dmdMPEGIParam_t_info.txt" -ignore"*" -noCR}} |
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143 This structure is used to pass parameters to |
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144 the dmdGetAndDecodeMPEGIMBBlocks function. |
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145 {{-output"dmdMPEGIParam_t_info.txt"}} */ |
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146 |
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147 /* {{-output"dmdMPEGIParam_t.txt"}} */ |
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148 typedef struct { |
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149 bibBuffer_t *inBuffer; /* Bit Buffer instance data */ |
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150 |
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151 |
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152 bibBuffer_t *outBuffer; /* Out Bit Buffer instance data */ |
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153 bibBufferEdit_t *bufEdit; |
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154 int iColorEffect; |
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155 TBool iGetDecodedFrame; |
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156 int StartByteIndex; |
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157 int StartBitIndex; |
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158 |
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159 int cbpy; /* Coded block pattern for luminance */ |
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160 |
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161 int cbpc; /* Coded block pattern for chrominance */ |
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162 |
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163 int quant; /* Current quantizer */ |
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164 |
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165 int yWidth; /* Picture width in luminance pixels */ |
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166 |
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167 int switched; /* if TRUE instead of optimized IntraDC |
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168 decoding IntraAC VLC table is used for |
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169 DC coefficient coding */ |
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170 |
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171 int currMBNum; /* current MB Number */ |
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172 |
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173 u_char fTopOfVP; /* The current Macroblock is in the top row |
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174 of the current Video Packet */ |
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175 u_char fLeftOfVP; /* The current Macroblock is the first |
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176 (on the left) of the current Video Packet */ |
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177 u_char fBBlockOut; /* The "B" AC/DC prediction block for the |
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178 current Macroblock is outside of the |
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179 current Video Packet */ |
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180 |
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181 aicData_t *aicData; /* storage for the intra prediction (AIC) data */ |
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182 |
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183 u_char data_partitioned; |
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184 int *DC; /* if data_partitioned, this is the array of |
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185 the DC coefficients decoded in the previous |
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186 partition of the VP */ |
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187 |
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188 u_char reversible_vlc; /* TRUE if reversible VLC is used */ |
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189 u_char vlc_dec_direction; /* 0: forward, 1: backward decoding of RVLC */ |
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190 |
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191 u_char *yMBInFrame; /* Current macroblock in frame */ |
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192 u_char *uBlockInFrame; |
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193 u_char *vBlockInFrame; |
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194 |
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195 int xPosInMBs; /* Horizontal position of the macroblock |
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196 (in macroblocks), |
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197 0 .. (numMBsInMBLine - 1) */ |
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198 |
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199 int yPosInMBs; /* Vertical position of the macroblock, |
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200 (in macroblocks), 0 .. */ |
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201 |
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202 int numMBsInMBLine; /* Number of macroblocks in one line */ |
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203 |
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204 int numMBLinesInGOB; /* Number of macroblock lines in GOB */ |
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205 |
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206 int pictureType; /* Picture type is one of the following: |
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207 VDX_PIC_TYPE_I INTRA |
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208 VDX_PIC_TYPE_P INTER |
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209 VDX_PIC_TYPE_PB PB (Annex G) |
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210 VDX_PIC_TYPE_IPB Improved PB |
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211 VDX_PIC_TYPE_B B (Annex O) |
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212 VDX_PIC_TYPE_EI EI (Annex O) |
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213 VDX_PIC_TYPE_EP EP (Annex O) */ |
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214 |
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215 int fMQ; |
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216 int fAIC; |
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217 |
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218 } dmdMPEGIParam_t; |
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219 /* {{-output"dmdMPEGIParam_t.txt"}} */ |
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220 |
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221 /* {{-output"dmdPParam_t_info.txt" -ignore"*" -noCR}} |
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222 This structure is used to pass parameters to |
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223 the dmdGetAndDecodeIMBBlocks function. |
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224 {{-output"dmdPParam_t_info.txt"}} */ |
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225 |
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226 /* {{-output"dmdPParam_t.txt"}} */ |
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227 typedef struct { |
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228 bibBuffer_t *inBuffer; /* Bit Buffer instance data */ |
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229 |
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230 |
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231 bibBuffer_t *outBuffer; /* Out Bit Buffer instance data */ |
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232 bibBufferEdit_t *bufEdit; |
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233 int iColorEffect; |
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234 TBool iGetDecodedFrame; |
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235 int StartByteIndex; |
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236 int StartBitIndex; |
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237 |
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238 int cbpy; /* Coded block pattern for luminance */ |
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239 |
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240 int cbpc; /* Coded block pattern for chrominance */ |
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241 |
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242 int quant; /* Current quantizer */ |
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243 |
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244 BLC_COPY_PREDICTION_MB_PARAM /* See block.h */ |
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245 |
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246 /*** MPEG-4 REVISION ***/ |
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247 u_char reversible_vlc; /* TRUE if reversible VLC is used */ |
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248 u_char vlc_dec_direction; /* 0: forward, 1: backward decoding of RVLC */ |
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249 /*** End MPEG-4 REVISION ***/ |
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250 |
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251 int xPosInMBs; /* Horizontal position of the macroblock |
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252 (in macroblocks), |
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253 0 .. (numMBsInMBLine - 1) */ |
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254 |
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255 int yPosInMBs; /* Vertical position of the macroblock, |
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256 (in macroblocks), 0 .. */ |
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257 |
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258 int numMBsInMBLine; /* Number of MBs in one MB Line */ |
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259 |
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260 int fGOBHeaderPresent; /* 1 if GOB header is present.*/ |
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261 |
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262 int mbType; |
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263 |
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264 |
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265 } dmdPParam_t; |
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266 /* {{-output"dmdPParam_t.txt"}} */ |
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267 |
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268 |
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269 /* |
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270 * Function prototypes |
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271 */ |
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272 |
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273 int dmdGetAndDecodeBOfPBMBBlocks( |
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274 dmdBOfPBParam_t *param); |
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275 |
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276 int dmdGetAndDecodeIMBBlocks( |
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277 dmdIParam_t *param, CMPEG4Transcoder *hTranscoder); |
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278 |
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279 int dmdGetAndDecodePMBBlocks( |
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280 dmdPParam_t *param, CMPEG4Transcoder *hTranscoder); |
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281 |
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282 int dmdGetAndDecodeAdvIMBBlocks( |
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283 dmdIParam_t *inpParam); |
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284 |
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285 /*** MPEG-4 REVISION ***/ |
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286 int dmdGetAndDecodeMPEGPMBBlocks( |
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287 dmdPParam_t *param, CMPEG4Transcoder *hTranscoder); |
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288 |
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289 int dmdGetAndDecodeMPEGIMBBlocks( |
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290 dmdMPEGIParam_t *param, CMPEG4Transcoder *hTranscoder); |
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291 /*** End MPEG-4 REVISION ***/ |
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292 |
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293 #endif |
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294 // End of File |
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