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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 the video demultiplexer 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 _VIDDEMUX_H_ |
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22 #define _VIDDEMUX_H_ |
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23 |
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24 #include "epoclib.h" |
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25 |
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26 #include "biblin.h" |
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27 |
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28 #include "dlist.h" |
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29 #include "vdc263.h" /* for vdxPictureHeader_t and vdxSEI_t */ |
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30 class CMPEG4Transcoder; |
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31 |
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32 |
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33 /* |
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34 * Defines |
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35 */ |
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36 |
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37 /* General return values */ |
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38 // unify error codes |
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39 #define VDX_OK_BUT_BIT_ERROR H263D_OK_BUT_BIT_ERROR /* Handled portion of the bistream |
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40 contains a bit error */ |
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41 #define VDX_OK H263D_OK /* Everything ok */ |
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42 #define VDX_ERR H263D_ERROR /* Everything ok */ |
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43 #define VDX_ERR_NOT_SUPPORTED H263D_ERROR /* Some bit combination (in header) |
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44 occurs which is not supported by the |
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45 implementetion */ |
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46 #define VDX_ERR_BIB H263D_ERROR /* Bit Buffer module returned an error */ |
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47 |
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48 /* Picture types */ |
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49 #define VDX_PIC_TYPE_I 0 |
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50 #define VDX_PIC_TYPE_P 1 |
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51 #define VDX_PIC_TYPE_PB 8 |
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52 #define VDX_PIC_TYPE_IPB 2 |
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53 #define VDX_PIC_TYPE_B 3 |
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54 #define VDX_PIC_TYPE_EI 4 |
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55 #define VDX_PIC_TYPE_EP 5 |
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56 #define VDX_VOP_TYPE_I 0 /* MPEG-4 Intra Picture */ |
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57 #define VDX_VOP_TYPE_P 1 /* MPEG-4 Inter Picture */ |
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58 #define VDX_VOP_NOT_CODED -1 /* MPEG-4 Not Coded Picture |
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59 (only the time_increment is present) */ |
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60 |
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61 /* Reference Picture Selection modes */ |
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62 #define VDX_RPS_MODE_NO_MSGS 0 |
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63 #define VDX_RPS_MODE_ACK 1 |
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64 #define VDX_RPS_MODE_NACK 2 |
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65 #define VDX_RPS_MODE_BOTH_MSGS 3 |
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66 |
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67 /* Macroblock classes */ |
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68 #define VDX_MB_INTER 1 |
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69 #define VDX_MB_INTRA 2 |
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70 |
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71 #define MAX_USER_DATA_LENGTH 512 /* The maximum allocated memory for |
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72 user data (UD). Only this much of the UD |
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73 from the bitstream is stored */ |
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74 |
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75 /* |
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76 * Typedefs |
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77 */ |
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78 |
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79 /* |
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80 * vdxVolHeader_t |
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81 */ |
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82 |
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83 /* {{-output"vdxVolHeader_t_info.txt" -ignore"*" -noCR}} |
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84 The vdxGetVolHeader function uses this structure to return VOL header data. |
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85 /MPEG-4/ |
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86 {{-output"vdxVolHeader_t_info.txt"}} */ |
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87 |
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88 /* {{-output"vdxVolHeader_t.txt"}} */ |
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89 typedef struct { |
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90 |
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91 int profile_level; /* Indicates the Level (1,2 or 3) of the Simple |
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92 Profile the Video Object conforms to */ |
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93 int vo_priority; /* Priority assigned to the Video Object |
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94 a value between 1(lowest)-7(highest). |
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95 If not in the bitstream, set to zero */ |
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96 |
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97 int vo_id; /* id of the Video Object */ |
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98 int vol_id; /* id of the Video Object Layer */ |
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99 int random_accessible_vol; |
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100 /* set to 1 if all the VOPs in the stream are |
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101 I-VOP. */ |
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102 int pixel_aspect_ratio; /* see. MPEG-4 visual spec. pp. 71 */ |
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103 |
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104 int time_increment_resolution; |
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105 /* Resolution to interpret the time_increment |
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106 fields in the VOP headers */ |
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107 |
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108 int lumWidth; /* Frame width of the Y component in pixels */ |
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109 int lumHeight; /* Frame height of the Y component in pixels */ |
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110 |
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111 u_char error_res_disable;/* Flag ON if no resynchronization markers are |
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112 used inside frames. |
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113 When OFF it doesn't mean they ARE used. */ |
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114 u_char data_partitioned; /* Flag indicating if data partitioning inside |
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115 a VP is used or not. */ |
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116 u_char reversible_vlc; /* flag indicating the usage of reversible |
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117 VLC codes */ |
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118 |
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119 /* the following parameters concern the input video signal, |
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120 see MPEG-4 visual spec. pp. 66-70, and "Note" in viddemux_mpeg.c |
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121 Not used in the current implementatnion. */ |
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122 int video_format; |
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123 int video_range; |
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124 int colour_primaries; |
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125 int transfer_characteristics; |
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126 int matrix_coefficients; |
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127 |
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128 /* the following parameters are used in the Video Buffering Verifier |
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129 (Annex D) to monitor the input bit buffer, complexity, memory buffer |
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130 used in the decoding process. The conformance of a stream can be checked |
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131 using these parameters. |
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132 Not used in the current implementatnion. */ |
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133 u_int32 bit_rate; |
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134 u_int32 vbv_buffer_size; |
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135 u_int32 vbv_occupancy; |
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136 |
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137 char *user_data; /* User Data if available */ |
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138 int user_data_length; /* Length of the recieved user data */ |
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139 u_char fixed_vop_rate; /* fixed vop rate indication, added for transcoding */ |
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140 } vdxVolHeader_t; |
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141 /* {{-output"vdxVolHeader_t.txt"}} */ |
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142 |
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143 /* |
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144 * vdxGovHeader_t |
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145 */ |
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146 |
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147 /* {{-output"vdxGovHeader_t_info.txt" -ignore"*" -noCR}} |
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148 The vdxGetGovHeader function uses this structure to return GOV header data. |
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149 /MPEG-4/ |
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150 {{-output"vdxGovHeader_t_info.txt"}} */ |
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151 |
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152 /* {{-output"vdxGovHeader_t.txt"}} */ |
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153 typedef struct { |
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154 int time_stamp; /* The time stamp value in the GOV Header */ |
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155 |
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156 u_char closed_gov; /* only important if B-VOPs can be in the stream */ |
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157 u_char broken_link; /* only important if B-VOPs can be in the stream */ |
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158 |
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159 char *user_data; /* User Data if available */ |
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160 int user_data_length; /* Length of the recieved user data */ |
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161 } vdxGovHeader_t; |
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162 /* {{-output"vdxGovHeader_t.txt"}} */ |
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163 |
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164 |
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165 /* |
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166 * vdxGetVopHeaderInputParam_t |
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167 */ |
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168 |
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169 /* {{-output"vdxGetVopHeaderInputParam_t_info.txt" -ignore"*" -noCR}} |
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170 This structure is used to pass input parameters to |
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171 the vdxGetVopHeader function. /MPEG-4/ |
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172 {{-output"vdxGetVopHeaderInputParam_t_info.txt"}} */ |
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173 |
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174 /* {{-output"vdxGetVopHeaderInputParam_t.txt"}} */ |
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175 typedef struct { |
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176 |
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177 int time_increment_resolution; /* resolution of the time increment field */ |
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178 |
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179 } vdxGetVopHeaderInputParam_t; |
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180 /* {{-output"vdxGetVopHeaderInputParam_t.txt"}} */ |
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181 |
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182 |
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183 /* |
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184 * vdxVopHeader_t |
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185 */ |
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186 |
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187 /* {{-output"vdxVopHeader_t_info.txt" -ignore"*" -noCR}} |
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188 The vdxGetVopHeader function uses this structure to return the picture |
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189 header parameters. /MPEG-4/ |
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190 {{-output"vdxVopHeader_t_info.txt"}} */ |
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191 |
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192 /* {{-output"vdxVopHeader_t.txt"}} */ |
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193 typedef struct { |
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194 int time_base_incr; /* Increment of the modulo time base from the |
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195 previous VOP or GOV header in seconds */ |
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196 int time_inc; /* Time increment value of the current VOP, |
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197 plus the modulo time base = absolute time */ |
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198 |
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199 u_char vop_coded; /* Flag: 1 - VOP coded; |
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200 0 - VOP not coded/skipped */ |
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201 int coding_type; /* VOP coding type is one of the following: |
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202 VDX_VOP_TYPE_I MPEG-4 INTRA |
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203 VDX_VOP_TYPE_P MPEG-4 INTER */ |
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204 |
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205 int rounding_type; /* Rounding of the sub-pixel predictor |
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206 calculations: 0 or 1. */ |
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207 |
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208 int intra_dc_vlc_thr; /* QP dependent switch control of coding the |
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209 Intra DC coefficient as separate/optimized or |
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210 as the other Intra AC. (0..7) */ |
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211 int quant; /* Initial Quantizer value */ |
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212 |
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213 int fcode_forward; /* For P-VOPs Motion Vector range control |
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214 1: [-16,16] .. 7:[-1024,1024] */ |
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215 } vdxVopHeader_t; |
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216 /* {{-output"vdxVopHeader_t.txt"}} */ |
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217 |
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218 |
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219 /* |
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220 * vdxGetVideoPacketHeaderInputParam_t |
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221 */ |
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222 |
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223 /* {{-output"vdxGetVideoPacketHeaderInputParam_t_info.txt" -ignore"*" -noCR}} |
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224 This structure is used to pass input parameters to |
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225 the vdxGetVideoPacketHeader function. /MPEG-4/ |
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226 {{-output"vdxGetVideoPacketHeaderInputParam_t_info.txt"}} */ |
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227 |
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228 /* {{-output"vdxGetVideoPacketHeaderInputParam_t.txt"}} */ |
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229 typedef struct { |
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230 |
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231 int fcode_forward; /* used for determining the resync_marker |
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232 length */ |
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233 int time_increment_resolution; /* resolution of the time increment field */ |
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234 |
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235 int numOfMBs; /* Number of MBs in a VOP */ |
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236 |
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237 } vdxGetVideoPacketHeaderInputParam_t; |
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238 /* {{-output"vdxGetVideoPacketHeaderInputParam_t.txt"}} */ |
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239 |
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240 |
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241 /* |
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242 * vdxVideoPacketHeader_t |
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243 */ |
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244 |
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245 /* {{-output"vdxVideoPacketHeader_t_info.txt" -ignore"*" -noCR}} |
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246 The vdxGetVideoPacketHeader function uses this structure to return the |
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247 Number of the immediately following MB in the VOP and optionally confirm |
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248 header parameters. /MPEG-4/ |
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249 {{-output"vdxVideoPacketHeader_t_info.txt"}} */ |
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250 |
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251 /* {{-output"vdxVideoPacketHeader_t.txt"}} */ |
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252 typedef struct { |
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253 |
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254 int currMBNum; /* Number of the immediately following MB */ |
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255 int quant; /* Quantizer used for the following MB */ |
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256 |
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257 u_char fHEC; /* Flag for header extension code */ |
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258 |
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259 int time_base_incr; /* Increment of the modulo time base from the |
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260 previous VOP or GOV header in seconds */ |
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261 int time_inc; /* Time increment value of the current VOP, |
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262 plus the modulo time base = absolute time */ |
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263 |
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264 int coding_type; /* VOP coding type is one of the following: |
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265 VDX_VOP_TYPE_I MPEG-4 INTRA |
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266 VDX_VOP_TYPE_P MPEG-4 INTER */ |
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267 |
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268 int intra_dc_vlc_thr; /* QP dependent switch control of coding the |
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269 Intra DC coefficient as separate/optimized or |
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270 as the other Intra AC. (0..7) */ |
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271 |
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272 int fcode_forward; /* For P-VOPs Motion Vector range control |
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273 1: [-16,16] .. 7:[-1024,1024] */ |
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274 } vdxVideoPacketHeader_t; |
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275 /* {{-output"vdxVideoPacketHeader_t.txt"}} */ |
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276 |
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277 |
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278 /* |
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279 * vdxGetPictureHeaderInputParam_t |
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280 */ |
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281 |
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282 /* {{-output"vdxGetPictureHeaderInputParam_t_info.txt" -ignore"*" -noCR}} |
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283 This structure is used to pass input parameters to |
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284 the vdxGetPictureHeader function. |
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285 {{-output"vdxGetPictureHeaderInputParam_t_info.txt"}} */ |
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286 |
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287 /* {{-output"vdxGetPictureHeaderInputParam_t.txt"}} */ |
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288 typedef struct { |
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289 int numStuffBits; /* Number of stuffing bits before PSC */ |
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290 |
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291 int fCustomPCF; /* Non-zero if custom picture clock frequency |
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292 is allowed. Otherwise zero. */ |
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293 |
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294 int fScalabilityMode; /* Non-zero if the Temporal, SNR, and Spatial |
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295 Scalability mode (Annex O) is in use. |
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296 Otherwise zero. */ |
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297 |
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298 int fRPS; /* Non-zero if the Refence Picture Selection |
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299 mode (Annex N) is in use. Otherwise zero. */ |
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300 |
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301 bibFlushBits_t flushBits; /* Pointers for bit buffer functions. */ |
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302 bibGetBits_t getBits; /* Needed to provide a possibly different */ |
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303 bibShowBits_t showBits; /* input mechanism for normal reading from |
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304 incoming bit-stream and for parsing |
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305 a picture header copy */ |
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306 } vdxGetPictureHeaderInputParam_t; |
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307 /* {{-output"vdxGetPictureHeaderInputParam_t.txt"}} */ |
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308 |
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309 |
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310 /* |
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311 * vdxPictureHeader_t |
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312 * Defined in vdc263.h because Video Decoder Core exports the data structure. |
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313 */ |
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314 |
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315 |
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316 /* |
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317 * vdxSEI_t |
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318 * Defined in vdc263.h because Video Decoder Core exports the data structure. |
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319 */ |
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320 |
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321 |
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322 /* |
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323 * vdxGetGOBHeaderInputParam_t |
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324 */ |
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325 |
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326 /* {{-output"vdxGetGOBHeaderInputParam_t_info.txt" -ignore"*" -noCR}} |
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327 This structure is used to pass input parameters to |
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328 the vdxGetGOBHeader function. |
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329 {{-output"vdxGetGOBHeaderInputParam_t_info.txt"}} */ |
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330 |
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331 /* {{-output"vdxGetGOBHeaderInputParam_t.txt"}} */ |
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332 typedef struct { |
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333 int numStuffBits; /* Number of stuffing bits before PSC */ |
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334 |
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335 int fCustomPCF; /* Non-zero if custom picture clock frequency |
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336 is allowed. Otherwise zero. */ |
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337 |
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338 int fCPM; /* Non-zero if the Continuous Presence |
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339 Multipoint feature (Annex C) is in use. |
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340 Otherwise zero. */ |
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341 |
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342 int fRPS; /* Non-zero if the Refence Picture Selection |
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343 mode (Annex N) is in use. Otherwise zero. */ |
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344 } vdxGetGOBHeaderInputParam_t; |
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345 /* {{-output"vdxGetGOBHeaderInputParam_t.txt"}} */ |
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346 |
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347 |
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348 /* |
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349 * vdxGOBHeader_t |
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350 */ |
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351 |
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352 /* {{-output"vdxGOBHeader_t_info.txt" -ignore"*" -noCR}} |
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353 The vdxGetGOBHeader function uses this structure to return the GOB |
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354 header parameters. |
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355 {{-output"vdxGOBHeader_t_info.txt"}} */ |
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356 |
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357 /* {{-output"vdxGOBHeader_t.txt"}} */ |
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358 typedef struct { |
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359 int gn; /* Group Number (GN) field */ |
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360 |
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361 int gfid; /* GOB Frame ID (GFID) field */ |
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362 |
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363 int gquant; /* Quantizer Information (GQUANT) field */ |
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364 |
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365 /* If CPM (Annex C) is in use */ |
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366 int gsbi; /* GOB Sub-Bitstream Indicator (GSBI) field */ |
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367 |
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368 /* If the Reference Picture Selection mode is in use */ |
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369 int tri; /* Temporal Reference Indicator (TRI) field */ |
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370 int trpi; /* Temporal Reference for Prediction |
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371 Indicator (TRPI) field */ |
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372 |
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373 /* If tri == 1 */ |
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374 int tr; /* Temporal Reference (TR) field */ |
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375 |
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376 /* If trpi == 1 */ |
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377 int trp; /* Temporal Reference for Prediction (TRP) |
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378 field */ |
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379 } vdxGOBHeader_t; |
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380 /* {{-output"vdxGOBHeader_t.txt"}} */ |
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381 |
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382 |
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383 /* |
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384 * vdxGetSliceHeaderInputParam_t |
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385 */ |
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386 |
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387 /* {{-output"vdxGetSliceHeaderInputParam_t_info.txt" -ignore"*" -noCR}} |
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388 This structure is used to pass input parameters to |
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389 the vdxGetSliceHeader function. |
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390 {{-output"vdxGetSliceHeaderInputParam_t_info.txt"}} */ |
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391 |
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392 /* {{-output"vdxGetSliceHeaderInputParam_t.txt"}} */ |
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393 typedef struct { |
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394 int sliceHeaderAfterPSC; /* If the slice follows a PSC, the value |
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395 should be 1 */ |
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396 |
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397 int numStuffBits; /* Number of stuffing bits before SSC */ |
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398 |
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399 int fCPM; /* Non-zero if the Continuous Presence |
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400 Multipoint feature (Annex C) is in use. |
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401 Otherwise zero. */ |
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402 |
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403 int fRPS; /* Non-zero if the Refence Picture Selection |
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404 mode (Annex N) is in use. Otherwise zero. */ |
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405 |
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406 int mbaFieldWidth; /* MBA Field width */ |
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407 int mbaMaxValue; /* MBA maximum value. See Table K.2/H.263 */ |
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408 |
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409 int fRectangularSlices; /* 0 = free-running slices, |
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410 1 = rectangular slices */ |
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411 |
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412 int swiFieldWidth; /* SWI Field width */ |
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413 int swiMaxValue; /* SWI maximum value. See Table K.3/H.263 */ |
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414 } vdxGetSliceHeaderInputParam_t; |
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415 /* {{-output"vdxGetSliceHeaderInputParam_t.txt"}} */ |
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416 |
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417 /* |
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418 * vdxSliceHeader_t |
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419 */ |
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420 |
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421 /* {{-output"vdxSliceHeader_t_info.txt" -ignore"*" -noCR}} |
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422 The vdxGetSliceHeader function uses this structure to return the Slice |
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423 header parameters. |
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424 {{-output"vdxSliceHeader_t_info.txt"}} */ |
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425 |
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426 /* {{-output"vdxSliceHeader_t.txt"}} */ |
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427 typedef struct { |
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428 /* If CPM (Annex C) is in use */ |
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429 int ssbi; /* Slice Sub-Bitstream Indicator (SSBI) */ |
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430 |
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431 int gn; /* Group Number (GN) field */ |
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432 |
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433 int sbn; /* Sub-Bitstream number */ |
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434 |
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435 int mba; /* Macroblock Address (MBA) */ |
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436 |
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437 /* If not the slice just after the PSC */ |
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438 int squant; /* Quantizer Inforation (SQUANT) */ |
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439 |
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440 /* If fRectangularSlices */ |
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441 int swi; /* Slice Width Indication in Macroblocks (SWI)*/ |
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442 |
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443 int gfid; /* GOB Frame ID (GFID) field */ |
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444 /* If the Reference Picture Selection mode is in use */ |
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445 int tri; /* Temporal Reference Indicator (TRI) field */ |
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446 int trpi; /* Temporal Reference for Prediction |
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447 Indicator (TRPI) field */ |
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448 |
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449 /* If tri == 1 */ |
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450 int tr; /* Temporal Reference (TR) field */ |
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451 |
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452 /* If trpi == 1 */ |
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453 int trp; /* Temporal Reference for Prediction (TRP) |
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454 field */ |
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455 |
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456 } vdxSliceHeader_t; |
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457 /* {{-output"vdxSliceHeader_t.txt"}} */ |
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458 |
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459 /* |
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460 * vdxGetIMBLayerInputParam_t |
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461 */ |
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462 |
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463 /* {{-output"vdxGetIMBLayerInputParam_t_info.txt" -ignore"*" -noCR}} |
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464 This structure is used to pass input parameters to |
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465 the vdxGetIMBLayer function. |
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466 {{-output"vdxGetIMBLayerInputParam_t_info.txt"}} */ |
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467 |
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468 /* {{-output"vdxGetIMBLayerInputParam_t.txt"}} */ |
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469 typedef struct { |
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470 int fMQ; /* Modified Quantization */ |
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471 int quant; /* Current QUANT */ |
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472 int fAIC; /* Advanced Intra Coding Flag */ |
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473 int fSS; /* Slice Structured Mode Flag */ |
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474 u_char fMPEG4; /* MPEG4 or H.263 */ |
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475 } vdxGetIMBLayerInputParam_t; |
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476 /* {{-output"vdxGetIMBLayerInputParam_t.txt"}} */ |
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477 |
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478 |
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479 /* |
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480 * vdxGetDataPartitionedIMBLayerInputParam_t |
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481 */ |
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482 |
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483 /* {{-output"vdxGetDataPartitionedIMBLayerInputParam_t_info.txt" -ignore"*" -noCR}} |
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484 This structure is used to pass input parameters to |
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485 the vdxGetDataPartitionedIMBLayer function. /MPEG-4/ |
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486 {{-output"vdxGetDataPartitionedIMBLayerInputParam_t_info.txt"}} */ |
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487 |
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488 /* {{-output"vdxGetDataPartitionedIMBLayerInputParam_t.txt"}} */ |
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489 typedef struct { |
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490 int intra_dc_vlc_thr; |
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491 int quant; /* Current QUANT */ |
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492 } vdxGetDataPartitionedIMBLayerInputParam_t; |
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493 /* {{-output"vdxGetDataPartitionedIMBLayerInputParam_t.txt"}} */ |
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494 |
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495 |
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496 /* |
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497 * vdxIMBLayer_t |
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498 */ |
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499 |
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500 /* {{-output"vdxIMBLayer_t_info.txt" -ignore"*" -noCR}} |
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501 The vdxGetIMBLayer function uses this structure to return |
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502 the macroblock header parameters. |
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503 {{-output"vdxIMBLayer_t_info.txt"}} */ |
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504 |
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505 /* {{-output"vdxIMBLayer_t.txt"}} */ |
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506 typedef struct { |
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507 int mcbpc; /* Macroblock type and the coded block |
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508 pattern for chrominance */ |
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509 |
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510 int cbpc; /* Coded Block Pattern for Chrominance, |
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511 bit 1 is for U and bit 0 is for V, |
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512 use vdxIsUCoded and vdxIsVCoded macros |
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513 to access this value */ |
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514 |
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515 int cbpy; /* Coded Block Pattern for Luminance, |
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516 bit 3 is for block 1, ..., |
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517 bit 0 is for block 4, |
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518 use vdxIsYCoded macro to access this |
|
519 value */ |
|
520 |
|
521 /*** MPEG-4 REVISION ***/ |
|
522 u_char ac_pred_flag; /* "1" AC prediction used, "0" not */ |
|
523 /*** End MPEG-4 REVISION ***/ |
|
524 |
|
525 int quant; /* New (possibly updated) QUANT */ |
|
526 |
|
527 int predMode; /* Prediction Mode used in Annex I |
|
528 0 (DC Only) |
|
529 1 (Vertical DC&AC) |
|
530 2 (Horizontal DC&AC) */ |
|
531 |
|
532 int mbType; /* 0..5, see table 9/H.263 */ |
|
533 |
|
534 } vdxIMBLayer_t; |
|
535 /* {{-output"vdxIMBLayer_t.txt"}} */ |
|
536 |
|
537 |
|
538 /* |
|
539 * vdxGetPPBMBLayerInputParam_t |
|
540 */ |
|
541 |
|
542 /* {{-output"vdxGetPPBMBLayerInputParam_t_info.txt" -ignore"*" -noCR}} |
|
543 This structure is used to pass input parameters to |
|
544 the vdxGetPPBMBLayer function. |
|
545 {{-output"vdxGetPPBMBLayerInputParam_t_info.txt"}} */ |
|
546 |
|
547 /* {{-output"vdxGetPPBMBLayerInputParam_t.txt"}} */ |
|
548 typedef struct { |
|
549 int pictureType; /* Picture type is one of the following: |
|
550 VDX_PIC_TYPE_P INTER |
|
551 VDX_PIC_TYPE_PB PB (Annex G) |
|
552 VDX_PIC_TYPE_IPB Improved PB */ |
|
553 |
|
554 /* See the description of vdxPictureHeader_t for the following flags. */ |
|
555 int fPLUSPTYPE; |
|
556 int fUMV; |
|
557 int fAP; |
|
558 int fDF; |
|
559 int fMQ; |
|
560 |
|
561 int fCustomSourceFormat; /* Flag indicating if custom source format |
|
562 is used */ |
|
563 |
|
564 |
|
565 /*** MPEG-4 REVISION ***/ |
|
566 u_char fMPEG4; /* MPEG4 or H.263 */ |
|
567 int f_code; |
|
568 /*** End MPEG-4 REVISION ***/ |
|
569 |
|
570 int quant; /* Current QUANT */ |
|
571 |
|
572 int fFirstMBOfPicture; /* Non-zero if the macroblock is the first |
|
573 (top-left) one of the picture */ |
|
574 |
|
575 int fAIC; /* Advanced Intra Coding Flag */ |
|
576 } vdxGetPPBMBLayerInputParam_t; |
|
577 /* {{-output"vdxGetPPBMBLayerInputParam_t.txt"}} */ |
|
578 |
|
579 |
|
580 /* |
|
581 * vdxGetDataPartitionedPMBLayerInputParam_t |
|
582 */ |
|
583 |
|
584 /* {{-output"vdxGetDataPartitionedPMBLayerInputParam_t_info.txt" -ignore"*" -noCR}} |
|
585 This structure is used to pass input parameters to |
|
586 the vdxGetDataPartitionedPMBLayer function. /MPEG-4/ |
|
587 {{-output"vdxGetDataPartitionedPMBLayerInputParam_t_info.txt"}} */ |
|
588 |
|
589 /* {{-output"vdxGetDataPartitionedPMBLayerInputParam_t.txt"}} */ |
|
590 typedef struct { |
|
591 int intra_dc_vlc_thr; |
|
592 int quant; /* Current QUANT */ |
|
593 int f_code; |
|
594 } vdxGetDataPartitionedPMBLayerInputParam_t; |
|
595 /* {{-output"vdxGetDataPartitionedPMBLayerInputParam_t.txt"}} */ |
|
596 |
|
597 |
|
598 /* |
|
599 * vdxPPBMBLayer_t |
|
600 */ |
|
601 |
|
602 /* {{-output"vdxPPBMBLayer_t_info.txt" -ignore"*" -noCR}} |
|
603 The vdxGetPPBMBLayer function uses this structure to return |
|
604 the macroblock header parameters. |
|
605 {{-output"vdxPPBMBLayer_t_info.txt"}} */ |
|
606 |
|
607 /* {{-output"vdxPPBMBLayer_t.txt"}} */ |
|
608 typedef struct { |
|
609 int mcbpc; /* Macroblock type and the coded block |
|
610 pattern for chrominance */ |
|
611 |
|
612 int fCodedMB; /* 1 if the macroblock is coded. |
|
613 Otherwise 0. */ |
|
614 |
|
615 int mbType; /* 0..5, see table 9/H.263 */ |
|
616 |
|
617 int mbClass; /* VDX_MB_INTRA or VDX_MB_INTER */ |
|
618 |
|
619 int cbpc; /* Coded Block Pattern for Chrominance, |
|
620 bit 1 is for U and bit 0 is for V, |
|
621 use vdxIsUCoded and vdxIsVCoded macros |
|
622 to access this value */ |
|
623 |
|
624 int cbpy; /* Coded Block Pattern for Luminance, |
|
625 bit 3 is for block 1, ..., |
|
626 bit 0 is for block 4, |
|
627 use vdxIsYCoded macro to access this |
|
628 value */ |
|
629 |
|
630 int cbpb; /* Coded Block Pattern for B-blocks, |
|
631 bit 5 is for block 1, ..., |
|
632 bit 0 is for block 6 */ |
|
633 |
|
634 /*** MPEG-4 REVISION ***/ |
|
635 u_char ac_pred_flag; /* "1" AC prediction used, "0" not */ |
|
636 /*** End MPEG-4 REVISION ***/ |
|
637 |
|
638 int quant; /* New (possibly updated) QUANT */ |
|
639 |
|
640 int numMVs; /* Number of motion vectors for the MB, |
|
641 0 if MVD is not in the stream, |
|
642 1 if MVD but not MVD2-4 is in the stream, |
|
643 4 if MVD and MVD2-4 is in the stream */ |
|
644 |
|
645 /* Only the number of MVs indicated in the numMVs member is valid |
|
646 in the following arrays. */ |
|
647 int mvdx[4]; /* Horizontal components of MVD1-4, |
|
648 index to table 14/H.263 */ |
|
649 int mvdy[4]; /* Vertical components of MVD1-4, |
|
650 index to table 14/H.263 */ |
|
651 |
|
652 int fMVDB; /* 1 = MVDB exists in the bitstream, |
|
653 i.e. mvdbx and mvdby are valid */ |
|
654 |
|
655 int mvdbx; /* Horizontal components of MVDB, |
|
656 index to table 14/H.263 */ |
|
657 int mvdby; /* Vertical components of MVDB, |
|
658 index to table 14/H.263 */ |
|
659 int predMode; /* Prediction Mode used in Annex I |
|
660 0 (DC Only) |
|
661 1 (Vertical DC&AC) |
|
662 2 (Horizontal DC&AC) */ |
|
663 int IPBPredMode; /* Prediction Modes used in annex M |
|
664 0 Bidirectional prediction |
|
665 1 Forward prediction |
|
666 2 Backward prediction */ |
|
667 } vdxPPBMBLayer_t; |
|
668 /* {{-output"vdxPPBMBLayer_t.txt"}} */ |
|
669 |
|
670 |
|
671 /* |
|
672 * vdxIMBListItem_t |
|
673 */ |
|
674 |
|
675 /* {{-output"vdxIMBListItem_t_info.txt" -ignore"*" -noCR}} |
|
676 List Item which is used to build a queue of Intra MBs during the data |
|
677 partitioned decoding of an I-VOP. /MPEG-4/ |
|
678 The vdxGetDataPartitionedIMBLayer function uses this structure. |
|
679 {{-output"vdxIMBListItem_t_info.txt"}} */ |
|
680 |
|
681 /* {{-output"vdxIMBListItem_t.txt"}} */ |
|
682 |
|
683 |
|
684 /* Data item recording for data partitioned transcoding */ |
|
685 #ifndef VDT_OPERATION |
|
686 #define VDT_OPERATION |
|
687 #define VDT_SET_START_POSITION(mb,item,byte,bit) \ |
|
688 {\ |
|
689 (mb)->DataItemStartByteIndex[(item)] = (byte);\ |
|
690 (mb)->DataItemStartBitIndex[(item)] = (bit);\ |
|
691 } |
|
692 |
|
693 #define VDT_SET_END_POSITION(mb,item,byte,bit) \ |
|
694 {\ |
|
695 (mb)->DataItemEndByteIndex[(item)] = (byte);\ |
|
696 (mb)->DataItemEndBitIndex[(item)] = (bit);\ |
|
697 } |
|
698 #endif |
|
699 |
|
700 |
|
701 |
|
702 typedef struct { |
|
703 DLST_ITEM_SKELETON |
|
704 |
|
705 /* for data partitioned transcoding |
|
706 array ordering: 0: mcbpc, 1: dquant, 2: cbpy, 3: ac_pred_flag, 4~9: intraDCs, 10: mv, 11: mb stuffing |
|
707 */ |
|
708 int mcbpc; |
|
709 int DataItemStartByteIndex[12]; |
|
710 int DataItemStartBitIndex[12]; |
|
711 int DataItemEndByteIndex[12]; |
|
712 int DataItemEndBitIndex[12]; |
|
713 int dquant; |
|
714 |
|
715 int DC[6]; /* DC component */ |
|
716 int quant; /* QUANT */ |
|
717 int cbpc; /* Coded Block Pattern for Chrominance */ |
|
718 int cbpy; /* Coded Block Pattern for Luminance */ |
|
719 u_char ac_pred_flag; /* "1" AC prediction used, "0" not */ |
|
720 u_char switched; /* intra_dc_vlc_thr indicated switch |
|
721 to Intra AC VLC coding of the DC coeff |
|
722 intstead of the usual DC VLC coding |
|
723 at this QP */ |
|
724 } vdxIMBListItem_t; |
|
725 /* {{-output"vdxIMBListItem_t.txt"}} */ |
|
726 |
|
727 |
|
728 /* |
|
729 * vdxPMBListItem_t |
|
730 */ |
|
731 |
|
732 /* {{-output"vdxPMBListItem_t_info.txt" -ignore"*" -noCR}} |
|
733 List Item which is used to build a queue of Inter MBs during the data |
|
734 partitioned decoding of a P-VOP. /MPEG-4/ |
|
735 The vdxGetDataPartitionedPMBLayer function uses this structure. |
|
736 {{-output"vdxPMBListItem_t_info.txt"}} */ |
|
737 |
|
738 /* {{-output"vdxPMBListItem_t.txt"}} */ |
|
739 typedef struct { |
|
740 DLST_ITEM_SKELETON |
|
741 /* for data partitioned transcoding |
|
742 array ordering: 0: mcbpc, 1: dquant, 2: cbpy, 3: ac_pred_flag, 4~9: intraDCs, 10: mv, 11: mb stuffing |
|
743 */ |
|
744 int mcbpc; |
|
745 int DataItemStartByteIndex[12]; |
|
746 int DataItemStartBitIndex[12]; |
|
747 int DataItemEndByteIndex[12]; |
|
748 int DataItemEndBitIndex[12]; |
|
749 int dquant; |
|
750 int mv_x[4]; /* horizontal componenet of 1-4 MVs */ |
|
751 int mv_y[4]; /* vertical componenet of 1-4 MVs */ |
|
752 |
|
753 u_char fCodedMB; /* 1 if the macroblock is coded. |
|
754 Otherwise 0. */ |
|
755 int mbType; /* 0..5, see table 9/H.263 */ |
|
756 int mbClass; /* VDX_MB_INTRA or VDX_MB_INTER */ |
|
757 int DC[6]; /* DC component */ |
|
758 int quant; /* QUANT */ |
|
759 int cbpc; /* Coded Block Pattern for Chrominance */ |
|
760 int cbpy; /* Coded Block Pattern for Luminance */ |
|
761 u_char ac_pred_flag; /* "1" AC prediction used, "0" not */ |
|
762 u_char switched; /* intra_dc_vlc_thr indicated switch |
|
763 to Intra AC VLC coding of the DC coeff |
|
764 intstead of the usual DC VLC coding |
|
765 at this QP */ |
|
766 int numMVs; /* Number of motion vectors for the MB */ |
|
767 int mvx[4]; /* horizontal componenet of 1-4 MVs */ // actually it is dMV |
|
768 int mvy[4]; /* vertical componenet of 1-4 MVs */ |
|
769 } vdxPMBListItem_t; |
|
770 /* {{-output"vdxPMBListItem_t.txt"}} */ |
|
771 |
|
772 |
|
773 /* |
|
774 * Macros |
|
775 */ |
|
776 |
|
777 /* These arrays are intialized in viddemux.c and needed in the vdxIsYXCoded |
|
778 macros. */ |
|
779 extern const int vdxBlockIndexToCBPYMask[5]; |
|
780 extern const int vdxYBlockIndexToCBPBMask[5]; |
|
781 |
|
782 /* {{-output"vdxIsXCoded.txt"}} */ |
|
783 /* |
|
784 * vdxIsYCoded |
|
785 * vdxIsUCoded |
|
786 * vdxIsVCoded |
|
787 * vdxIsYBCoded |
|
788 * vdxIsUBCoded |
|
789 * vdxIsVBCoded |
|
790 * |
|
791 * Parameters: |
|
792 * for vdxIsYCoded: |
|
793 * cbpy coded block for luminance |
|
794 * blockIndex index for luminance block 1..4 |
|
795 * |
|
796 * for vdxIsUCoded and vdxIsVCoded: |
|
797 * cbpc coded block pattern for chrominance |
|
798 * |
|
799 * for vdxIsXBCoded: |
|
800 * cbpb coded block pattern for B blocks |
|
801 * blockIndex index for B luminance block 1..4 |
|
802 * |
|
803 * Function: |
|
804 * This macros access the coded block bit patterns. |
|
805 * |
|
806 * Returns: |
|
807 * 0 if the requested block is not coded |
|
808 * non-zero if the requested block is coded |
|
809 * |
|
810 */ |
|
811 |
|
812 #define vdxIsYCoded(cbpy, blockIndex) \ |
|
813 ((cbpy) & vdxBlockIndexToCBPYMask[(blockIndex)]) |
|
814 |
|
815 #define vdxIsUCoded(cbpc) ((cbpc) & 2) |
|
816 #define vdxIsVCoded(cbpc) ((cbpc) & 1) |
|
817 |
|
818 #define vdxIsYBCoded(cbpb, blockIndex) \ |
|
819 ((cbpb) & vdxYBlockIndexToCBPBMask[(blockIndex)]) |
|
820 |
|
821 #define vdxIsUBCoded(cbpb) ((cbpb) & 2) |
|
822 #define vdxIsVBCoded(cbpb) ((cbpb) & 1) |
|
823 /* {{-output"vdxIsXCoded.txt"}} */ |
|
824 |
|
825 |
|
826 /* |
|
827 * Function prototypes |
|
828 */ |
|
829 |
|
830 /* Picture Layer Global Functions */ |
|
831 class CMPEG4Transcoder; |
|
832 |
|
833 int vdxGetVolHeader( |
|
834 bibBuffer_t *inBuffer, |
|
835 vdxVolHeader_t *header, |
|
836 int *bitErrorIndication, |
|
837 int getInfo, int *aByteIndex, int *aBitIndex, |
|
838 CMPEG4Transcoder *hTranscoder); |
|
839 |
|
840 int vdxGetGovHeader( |
|
841 bibBuffer_t *inBuffer, |
|
842 vdxGovHeader_t *header, |
|
843 int *bitErrorIndication); |
|
844 |
|
845 int vdxGetVopHeader( |
|
846 bibBuffer_t *inBuffer, |
|
847 const vdxGetVopHeaderInputParam_t *inpParam, |
|
848 vdxVopHeader_t *header, |
|
849 int * ModuloByteIndex, |
|
850 int * ModuloBitIndex, |
|
851 int * TimeIncByteIndex, |
|
852 int * TimeIncBitIndex, |
|
853 int *bitErrorIndication); |
|
854 |
|
855 int vdxGetPictureHeader( |
|
856 bibBuffer_t *inBuffer, |
|
857 const vdxGetPictureHeaderInputParam_t *inpParam, |
|
858 vdxPictureHeader_t *header, |
|
859 int *bitErrorIndication); |
|
860 |
|
861 int vdxFlushSEI( |
|
862 bibBuffer_t *inBuffer, |
|
863 int *bitErrorIndication); |
|
864 |
|
865 int vdxGetSEI( |
|
866 bibBuffer_t *inBuffer, |
|
867 int *ftype, |
|
868 int *dsize, |
|
869 u_char *parameterData, |
|
870 int *fLast, |
|
871 int *bitErrorIndication); |
|
872 |
|
873 int vdxGetAndParseSEI( |
|
874 bibBuffer_t *inBuffer, |
|
875 int fPLUSPTYPE, |
|
876 int numScalabilityLayers, |
|
877 vdxSEI_t *sei, |
|
878 int *bitErrorIndication); |
|
879 |
|
880 int vdxGetUserData(bibBuffer_t *inBuffer, |
|
881 char *user_data, int *user_data_length, |
|
882 int *bitErrorIndication); |
|
883 |
|
884 /* GOB/Video Packet Layer Global Functions */ |
|
885 |
|
886 int vdxGetGOBHeader( |
|
887 bibBuffer_t *inBuffer, |
|
888 const vdxGetGOBHeaderInputParam_t *inpParam, |
|
889 vdxGOBHeader_t *header, |
|
890 int *bitErrorIndication, |
|
891 int aColorEffect, |
|
892 int* aStartByteIndex, |
|
893 int* aStartBitIndex, |
|
894 CMPEG4Transcoder *hTranscoder); |
|
895 |
|
896 int vdxGetVideoPacketHeader( |
|
897 bibBuffer_t *inBuffer, |
|
898 const vdxGetVideoPacketHeaderInputParam_t *inpParam, |
|
899 vdxVideoPacketHeader_t *header, |
|
900 int *bitErrorIndication); |
|
901 |
|
902 /* Slice Layer Global Functions*/ |
|
903 |
|
904 int vdxGetSliceHeader( |
|
905 bibBuffer_t *inBuffer, |
|
906 const vdxGetSliceHeaderInputParam_t *inpParam, |
|
907 vdxSliceHeader_t *header, |
|
908 int *bitErrorIndication); |
|
909 |
|
910 void vdxGetMBAandSWIValues( |
|
911 int width, |
|
912 int height, |
|
913 int fRRU, |
|
914 int *mbaFieldWidth, |
|
915 int *mbaMaxValue, |
|
916 int *swiFieldWidth, |
|
917 int *swiMaxValue); |
|
918 |
|
919 /* Macroblock Layer Global Functions */ |
|
920 |
|
921 |
|
922 int vdxGetIMBLayer( |
|
923 bibBuffer_t *inBuffer, |
|
924 bibBuffer_t *outBuffer, |
|
925 bibBufferEdit_t *bufEdit, |
|
926 int aColorEffect, |
|
927 int *StartByteIndex, |
|
928 int *StartBitIndex, |
|
929 TBool aGetDecodedFrame, |
|
930 const vdxGetIMBLayerInputParam_t *inpParam, |
|
931 vdxIMBLayer_t *outParam, |
|
932 int *bitErrorIndication, |
|
933 CMPEG4Transcoder *hTranscoder); |
|
934 |
|
935 |
|
936 int vdxGetPPBMBLayer( |
|
937 bibBuffer_t *inBuffer, |
|
938 bibBuffer_t *outBuffer, |
|
939 bibBufferEdit_t *bufEdit, |
|
940 int aColorEffect, |
|
941 int *aStartByteIndex, |
|
942 int *aStartBitIndex, |
|
943 TBool aGetDecodedFrame, |
|
944 int *bwMBType, |
|
945 const vdxGetPPBMBLayerInputParam_t *inpParam, |
|
946 vdxPPBMBLayer_t *outParam, |
|
947 int *bitErrorIndication, |
|
948 CMPEG4Transcoder *hTranscoder); |
|
949 |
|
950 |
|
951 int vdxGetDataPartitionedIMBLayer_Part1( |
|
952 bibBuffer_t *inBuffer, bibBuffer_t *outBuffer, bibBufferEdit_t *bufEdit, |
|
953 int aColorEffect, int *aStartByteIndex, int *aStartBitIndex, |
|
954 CMPEG4Transcoder *hTranscoder, |
|
955 const vdxGetDataPartitionedIMBLayerInputParam_t *inpParam, |
|
956 dlst_t *MBList, |
|
957 int *bitErrorIndication); |
|
958 |
|
959 int vdxGetDataPartitionedIMBLayer_Part2( |
|
960 bibBuffer_t *inBuffer, bibBuffer_t *outBuffer, bibBufferEdit_t *bufEdit, |
|
961 int aColorEffect, int *aStartByteIndex, int *aStartBitIndex, |
|
962 dlst_t *MBList, |
|
963 int numMBsInVP, |
|
964 int *bitErrorIndication); |
|
965 |
|
966 int vdxGetDataPartitionedPMBLayer_Part1( |
|
967 bibBuffer_t *inBuffer, bibBuffer_t *outBuffer, bibBufferEdit_t *bufEdit, |
|
968 int aColorEffect, int *aStartByteIndex, int *aStartBitIndex, |
|
969 const vdxGetDataPartitionedPMBLayerInputParam_t *inpParam, |
|
970 dlst_t *MBList, |
|
971 int *bitErrorIndication); |
|
972 |
|
973 int vdxGetDataPartitionedPMBLayer_Part2( |
|
974 bibBuffer_t *inBuffer, |
|
975 bibBuffer_t *outBuffer, |
|
976 bibBufferEdit_t *bufEdit, |
|
977 int aColorEffect, int *aStartByteIndex, int *aStartBitIndex, |
|
978 CMPEG4Transcoder *hTranscoder, |
|
979 const vdxGetDataPartitionedPMBLayerInputParam_t *inpParam, |
|
980 dlst_t *MBList, |
|
981 int *bitErrorIndication); |
|
982 |
|
983 /* Block Layer Global Functions */ |
|
984 |
|
985 int vdxGetIntraDCTBlock( |
|
986 bibBuffer_t *inBuffer, |
|
987 int fCodedBlock, |
|
988 int *block, |
|
989 int *bitErrorIndication, |
|
990 int fMQ, |
|
991 int qp); |
|
992 |
|
993 int vdxGetIntraDC( |
|
994 bibBuffer_t *inBuffer, |
|
995 bibBuffer_t *outBuffer, |
|
996 bibBufferEdit_t *bufEdit, |
|
997 int aColorEffect, |
|
998 int *aStartByteIndex, |
|
999 int *aStartBitIndex, |
|
1000 int compnum, |
|
1001 int *IntraDCSize, |
|
1002 int *IntraDCDelta, |
|
1003 int *bitErrorIndication); |
|
1004 |
|
1005 int vdxGetMPEGIntraDCTBlock( |
|
1006 bibBuffer_t *inBuffer, |
|
1007 int startIndex, |
|
1008 int *block, |
|
1009 int *bitErrorIndication); |
|
1010 |
|
1011 int vdxGetDCTBlock( |
|
1012 bibBuffer_t *inBuffer, |
|
1013 int startIndex, |
|
1014 u_char fMPEG4EscapeCodes, |
|
1015 int *block, |
|
1016 int *bitErrorIndication, |
|
1017 int fMQ, |
|
1018 int qp, |
|
1019 int *fEscapeCodeUsed); |
|
1020 |
|
1021 int vdxGetAdvIntraDCTBlock( |
|
1022 bibBuffer_t *inBuffer, |
|
1023 int fCodedBlock, |
|
1024 int *block, |
|
1025 int *bitErrorIndication, |
|
1026 int predMode, |
|
1027 int fMQ, |
|
1028 int qp); |
|
1029 |
|
1030 int vdxGetAdvDCTBlock( |
|
1031 bibBuffer_t *inBuffer, |
|
1032 int startIndex, |
|
1033 int *block, |
|
1034 int *bitErrorIndication, |
|
1035 int predMode, |
|
1036 int fMQ, |
|
1037 int qp); |
|
1038 |
|
1039 int vdxGetRVLCDCTBlock( |
|
1040 bibBuffer_t *inBuffer, |
|
1041 int startIndex, |
|
1042 int fIntraBlock, |
|
1043 int *block, |
|
1044 int *bitErrorIndication); |
|
1045 |
|
1046 int vdxGetRVLCDCTBlockBackwards( |
|
1047 bibBuffer_t *inBuffer, |
|
1048 int startIndex, |
|
1049 int fIntraBlock, |
|
1050 int *block, |
|
1051 int *bitErrorIndication); |
|
1052 |
|
1053 |
|
1054 |
|
1055 int vdxChangeBlackAndWhiteHeaderIntraIMB(bibBufferEdit_t *bufEdit, |
|
1056 int mcbpcIndex, |
|
1057 int StartByteIndex, |
|
1058 int StartBitIndex); |
|
1059 |
|
1060 int vdxChangeBlackAndWhiteHeaderInterPMB(bibBufferEdit_t *bufEdit, |
|
1061 int mcbpcIndex, |
|
1062 int StartByteIndex, |
|
1063 int StartBitIndex); |
|
1064 |
|
1065 |
|
1066 |
|
1067 #endif |
|
1068 // End of File |