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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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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 "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 * |
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14 * Description: 3GP data sink implementation class |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __CAMC3GPDATASINKIMP_H__ |
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20 #define __CAMC3GPDATASINKIMP_H__ |
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21 |
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22 // INCLUDES |
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23 |
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24 #include <e32base.h> |
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25 #include <e32std.h> |
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26 #include <f32file.h> |
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27 #include <3gplibrary/mp4lib.h> |
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28 #include <mmf/common/mmffourcc.h> |
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29 |
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30 #include "CCMRMediaSink.h" |
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31 #include "CamC3GPDataSink.h" |
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32 |
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33 // FORWARD DECLARATIONS |
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34 class CMMFFile; |
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35 |
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36 // CLASS DECLARATION |
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37 |
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38 /** |
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39 * CCamC3GPDataSinkImp class. |
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40 * This class implements the 3GP data sink methods. |
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41 * |
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42 * @lib camc3gpsink |
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43 * @since 2.1 |
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44 */ |
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45 class CCamC3GPDataSinkImp : public CCamC3GPDataSink, public M3GPMP4LibAsyncTempFileRemoverObserver |
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46 { |
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47 public: // Methods called internally or by the controller |
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48 |
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49 /** |
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50 * Default constructor. |
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51 */ |
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52 CCamC3GPDataSinkImp() : CCamC3GPDataSink() {}; |
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53 |
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54 /** |
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55 * Destructor. |
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56 */ |
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57 ~CCamC3GPDataSinkImp(void); |
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58 |
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59 /** |
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60 * Constructor. |
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61 */ |
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62 void ConstructL(M3GPDataSinkObserver *aObserver); |
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63 |
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64 /** |
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65 * Open a file for writing. |
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66 * @since 2.1 |
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67 * @param aFileName File name |
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68 * @param aAudioCodecType Four CC code of the used audio codec |
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69 * @param aVideoCodecType Four CC code of the used video codec |
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70 * @param aFileFormat Used file format TCamCSinkFileFormat |
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71 * @return No return value |
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72 */ |
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73 void OpenFileL(TFileName aFileName, TFourCC aAudioCodecType, const TDesC8& aVideoCodecType, TCamCSinkFileFormat aFileFormat ); |
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74 |
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75 /** |
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76 * Open a 3GP file for writing. |
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77 * @since 3.2 |
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78 * @param aMMFFile CMMFFile from MMF |
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79 * @param aAudioCodecType Four CC code of the used audio codec |
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80 * @param aVideoCodecType Four CC code of the used video codec |
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81 * @param aFileFormat Used file format TCamCSinkFileFormat |
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82 * @return No return value |
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83 */ |
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84 void OpenFileL(CMMFFile* aMMFFile, TFourCC aAudioCodecType, const TDesC8& aVideoCodecType, TCamCSinkFileFormat aFileFormat ); |
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85 |
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86 /** |
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87 * Order the sink to finalize and close the current 3GP file. |
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88 * @since 2.1 |
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89 * @param None |
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90 * @return No return value |
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91 */ |
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92 void SinkStopL(); |
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93 |
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94 /** |
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95 * Set size limit of the 3GP file to be recorded in bytes. |
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96 * @since 2.1 |
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97 * @param aSize Limit |
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98 * @return No return value |
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99 */ |
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100 void SetSizeLimit(TUint aSize); |
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101 |
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102 /** |
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103 * Return the amount of time recording has been on in microseconds. |
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104 * @since 2.1 |
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105 * @param None |
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106 * @return Elapsed time |
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107 */ |
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108 TTimeIntervalMicroSeconds GetElapsedTime(); |
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109 |
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110 /** |
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111 * Return the estimated remaining time for the recording in microseconds. |
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112 * @since 2.1 |
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113 * @param None |
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114 * @return Remaining time |
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115 */ |
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116 TTimeIntervalMicroSeconds GetRemainingTimeL(); |
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117 |
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118 |
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119 public: // Methods called from MCMRMediaSink |
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120 |
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121 /** |
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122 * Give video frame size to sink. |
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123 * @since 2.1 |
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124 * @param aSize Frame size |
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125 * @return Error code |
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126 */ |
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127 TInt SetVideoFrameSize(TSize aSize); |
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128 |
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129 /** |
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130 * Give average video bitrate to sink. |
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131 * @since 2.1 |
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132 * @param aBitRate Average bitrate |
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133 * @return Error code |
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134 */ |
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135 TInt SetAverageVideoBitRate(TInt aBitRate); |
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136 |
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137 /** |
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138 * Give maximum video bitrate to sink. |
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139 * @since 2.1 |
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140 * @param aBitRate Maximum bitrate |
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141 * @return Error code |
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142 */ |
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143 TInt SetMaxVideoBitRate(TInt aBitRate); |
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144 |
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145 /** |
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146 * Give average audio bitrate to sink. |
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147 * @since 2.1 |
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148 * @param aBitRate Average bitrate |
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149 * @return Error code |
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150 */ |
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151 TInt SetAverageAudioBitRate(TInt aBitRate); |
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152 |
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153 /** |
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154 * Write an audio/video buffer to the sink. |
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155 * @since 2.1 |
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156 * @param aBuffer Buffer containing audio/video data |
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157 * @return Errorcode |
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158 */ |
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159 void WriteBufferL(CCMRMediaBuffer* aBuffer); |
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160 |
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161 |
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162 public: // Methods from M3GPMP4LibAsyncTempFileRemoverObserver |
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163 void M3GPMP4LibDeleteTempFileName( MP4FileName tempFileName ); |
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164 |
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165 private: // Private methods |
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166 |
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167 /** |
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168 * Estimate current file size |
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169 * @since 2.1 |
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170 * @param None |
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171 * @return File size |
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172 */ |
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173 TUint CurrentFileSize() const; |
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174 |
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175 /** |
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176 * Estimate current metadata size |
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177 * @since 2.1 |
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178 * @param None |
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179 * @return File size |
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180 */ |
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181 TUint CurrentMetadataSize() const; |
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182 |
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183 /** |
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184 * Calculate free space on a drive in bytes. |
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185 * @since 2.1 |
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186 * @param None |
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187 * @return File size |
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188 */ |
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189 TInt64 DriveFreeSpaceL(); |
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190 |
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191 /** |
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192 * Determines AAC audio frame duration. |
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193 * @since 2.8 |
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194 * @param Incoming buffer with audio dec spec info |
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195 * @return None |
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196 */ |
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197 void DetermineAACFrameDurationL(CCMRMediaBuffer* aBuffer); |
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198 |
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199 /** |
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200 * Convert AVC specific decoder config info from NAL (GenericPayload) encapsulation to |
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201 * AVC Decoder Configuration Record -format |
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202 * @since 3.2 |
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203 * @param Source buffer with AVC specific decoder config info. |
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204 * @param Destination buffer to write AVC Decoder Configuration Record. |
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205 * @return None |
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206 */ |
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207 void ConvertAVCHeaderNALL( CCMRMediaBuffer* aBuffer, TDes8& aDstBuf ); |
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208 |
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209 /** |
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210 * Convert AVC specific decoder config info from Bytestream (ElementaryStream) encapsulation to |
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211 * AVC Decoder Configuration Record -format |
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212 * @since 3.2 |
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213 * @param Source buffer with AVC specific decoder config info. |
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214 * @param Destination buffer to write AVC Decoder Configuration Record. |
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215 * @return None |
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216 */ |
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217 void ConvertAVCHeaderByteStreamL( CCMRMediaBuffer* aBuffer, TDes8& aDstBuf ); |
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218 |
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219 /** |
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220 * Converts AVC frame from Bytestream (ElementaryStream) encapsulation to |
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221 * file format AVC sample structure by replacing bytestream headers with NAL unit sizes. |
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222 * @since 5.0 |
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223 * @param Source buffer with one or more bytestream header seperated NAL units. |
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224 * @return None |
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225 */ |
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226 void ConvertBytestreamHeadersToNALSizes( CCMRMediaBuffer* aBuffer ); |
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227 |
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228 /** |
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229 * Converts AVC frame from NAL (EGenericPayload) encapsulation to |
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230 * file format AVC sample structure by replacing NAL encapsulation with NAL unit sizes. |
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231 * @since 5.0 |
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232 * @param Source buffer with one or more NAL header seperated NAL units. |
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233 * @param Destination buffer to write NAL units with length information. |
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234 * @param Destination buffer size. |
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235 * @return None |
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236 */ |
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237 void ConvertNALEncapsulationToNALSizes( CCMRMediaBuffer* aBuffer ); |
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238 |
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239 private: |
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240 |
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241 static TInt IdleDelete( TAny* aCont ); |
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242 |
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243 public: |
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244 |
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245 TInt DoIdleDelete(); |
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246 |
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247 private: |
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248 |
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249 // Observer to inform controller |
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250 M3GPDataSinkObserver *iObserver; |
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251 |
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252 // 3GP library handle |
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253 MP4Handle iMP4Handle; |
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254 |
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255 // Number of bytes received from media recorder |
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256 TUint iBytesReceived; |
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257 |
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258 // Number of bytes of metadata currently accumulated |
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259 TUint iBytesOfMetadata; |
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260 |
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261 // Horizontal resolution of video |
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262 TInt iVideoXResolution; |
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263 |
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264 // Vertical resolution of video |
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265 TInt iVideoYResolution; |
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266 |
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267 // Average bitrate of video |
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268 TInt iVideoAverageBitRate; |
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269 |
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270 // Maximum bitrate of video |
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271 TInt iVideoMaxBitRate; |
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272 |
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273 // Average bitrate of audio |
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274 TInt iAudioAverageBitRate; |
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275 |
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276 // Type of buffer coming from media recorder |
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277 CCMRMediaBuffer::TBufferType iBufferType; |
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278 |
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279 // Size of buffer coming from media recorder |
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280 TInt iBufferSize; |
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281 |
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282 // Types of codecs used in the output file |
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283 TUint iFileCodecType; |
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284 |
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285 // Timestamp of video frame coming from media recorder |
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286 TTimeIntervalMicroSeconds iVideoTimestamp; |
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287 |
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288 // Timestamp of video frame buffered in the sink |
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289 TTimeIntervalMicroSeconds iVideoBufferTimestamp; |
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290 |
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291 // Timestamp of the first video frame |
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292 TTimeIntervalMicroSeconds iFirstVideoFrameTimestamp; |
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293 |
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294 // Duration of the video frame buffered in the sink |
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295 TUint iVideoFrameDuration; |
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296 |
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297 // Is current video frame a random access point |
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298 TBool iVideoRandomAccessPoint; |
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299 |
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300 // Is the buffered video frame a random access point |
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301 TBool iVideoBufferRandomAccessPoint; |
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302 |
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303 // Sink buffers one video frame in this buffer |
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304 TUint8* iVideoBuffer; |
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305 |
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306 // Size of buffered video frame |
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307 TUint iVideoBufferFrameSize; |
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308 |
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309 // Size of video buffer |
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310 TUint iVideoBufferSize; |
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311 |
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312 // Number of video frames |
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313 TUint iVideoFrameNumber; |
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314 |
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315 // Number of intra video frames |
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316 TUint iVideoIntraFrameNumber; |
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317 |
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318 // Video decoder specific info size |
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319 TInt iVideoDecSpecInfoSize; |
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320 |
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321 // Audio decoder specific info size |
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322 TInt iAudioDecSpecInfoSize; |
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323 |
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324 // Sink buffers audio frames in this buffer |
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325 TUint8* iAudioBuffer; |
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326 |
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327 // Size of buffered audio frames |
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328 TUint iAudioBufferFrameSize; |
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329 |
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330 // Size of audio buffer |
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331 TUint iAudioBufferSize; |
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332 |
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333 // Number of audio frames |
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334 TUint iAudioFrameNumber; |
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335 |
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336 // Number of audio frames in the buffer |
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337 TUint iAudioFramesInBuffer; |
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338 |
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339 // Size limit of the file in bytes |
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340 TInt64 iSizeLimit; |
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341 |
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342 // Has file size limit bee reached? |
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343 TBool iFileSizeLimitReached; |
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344 |
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345 // File server session handle |
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346 RFs* iFS; |
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347 |
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348 // Drive number of the output file |
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349 TInt iDriveNumber; |
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350 |
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351 // Has the disk been filled to the safety limit? |
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352 TBool iDiskFull; |
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353 |
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354 // Output filename |
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355 TFileName iFileName; |
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356 |
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357 // Temporary filename |
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358 TFileName iTmpFileName; |
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359 |
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360 // MMF resource to acquire file handle |
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361 CMMFFile* iMMFFile; |
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362 |
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363 // File handle from MMF |
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364 RFile * iFile; |
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365 |
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366 // Used to determine whether file handles or descriptors are used |
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367 TBool iFileHandleExists; |
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368 |
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369 // Amount of remaining recording time |
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370 TTimeIntervalMicroSeconds iRemainingTime; |
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371 |
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372 // Remaining free disk space |
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373 TInt64 iFreeDiskSpace; |
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374 |
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375 // Counter to check the real free disk space |
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376 TInt iFreeDiskSpaceCounter; |
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377 |
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378 // Available space on disk at start of recording |
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379 TInt64 iAvailableSpaceAtStart; |
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380 |
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381 // Avarage of end time |
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382 TTimeIntervalMicroSeconds iAvarageEndTime; |
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383 |
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384 // Duration of AAC frame |
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385 TInt iAudioAACFrameDuration; |
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386 |
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387 // AAC Audio Samplerate |
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388 TInt iAudioAACSamplerate; |
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389 |
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390 // AVC video level id |
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391 TInt iAVCOutputLevel; |
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392 |
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393 // Critical level for current target disk |
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394 TInt iCriticalDiskVal; |
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395 |
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396 // File name queue for the temporary meta data files to be deleted. |
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397 RPointerArray<MP4FileName>* iDeleteFileQueue; |
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398 |
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399 // Async file deletion on background |
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400 CIdle* iIdleDelete; |
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401 |
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402 }; |
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403 |
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404 #endif |