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2315
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1 extern "C"
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2 {
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3 #include "lib/libavcodec/avcodec.h"
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4 #include "lib/libavformat/avformat.h"
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5 #include "lib/libavutil/avutil.h"
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6 #include "lib/libavutil/imgutils.h"
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7 #include "lib/libswscale/swscale.h"
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8 #include "lib/libswresample/swresample.h"
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9 #include "lib/libavutil/opt.h"
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10 }
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11 #pragma comment(lib, "avcodec.lib")
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12 #pragma comment(lib, "avformat.lib")
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13 #pragma comment(lib, "avutil.lib")
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14 #pragma comment(lib, "swscale.lib")
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15 #pragma comment(lib, "swresample.lib")
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16
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17 #include <vector>
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18 #include <deque>
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19
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20 #include "stuff.h"
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21 #include "OpenALSoundProvider.h"
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22
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23 #include "MediaPlayer.h"
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24 using namespace Media;
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25
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26
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27 class MemoryStream
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28 {
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29 public:
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30 inline MemoryStream(void *data, size_t data_size)
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31 {
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32 this->data_size = data_size;
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33 this->data = data;
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34 this->current_pos = 0;
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35 }
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36 inline MemoryStream()
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37 {
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38 this->data_size = 0;
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39 this->data = nullptr;
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40 this->current_pos = 0;
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41 }
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42
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43 inline ~MemoryStream()
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44 {
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45 if (data)
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46 delete [] data;
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47 }
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48
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49 inline size_t Write(void *buffer, size_t num_bytes)
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50 {
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51 if (!data)
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52 {
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53 data_size = 32 + num_bytes;
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54 data = new char[data_size];
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55 current_pos = 0;
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56 }
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57 else if (current_pos + num_bytes >= data_size)
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58 {
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59 int new_data_size = data_size + num_bytes + data_size / 8 + 4;
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60 auto new_data = new char[new_data_size];
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61
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62 memcpy(new_data, data, data_size);
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63 delete [] data;
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64
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65 data_size = new_data_size;
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66 data = new_data;
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67 }
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68 memcpy((char *)data + current_pos, buffer, num_bytes);
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69 current_pos += num_bytes;
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70 return num_bytes;
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71 }
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72
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73 inline size_t Read(void *buffer, size_t num_bytes)
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74 {
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75 size_t read_size = min(num_bytes, data_size - current_pos);
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76 if (read_size)
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77 {
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78 memcpy(buffer, (char *)data + current_pos, read_size);
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79 current_pos += read_size;
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80 }
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81 return read_size;
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82 }
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83
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84 inline void Reset()
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85 {
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86 current_pos = 0;
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87 }
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88 inline void SeekToEnd()
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89 {
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90 current_pos = data_size;
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91 }
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92
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93 inline size_t Unwind(size_t bytes)
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94 {
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95 if (bytes > current_pos)
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96 current_pos = 0;
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97 else
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98 current_pos -= bytes;
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99 return current_pos;
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100 }
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101
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102 inline size_t Rewind(size_t bytes)
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103 {
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104 if (current_pos + bytes >= data_size)
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105 current_pos = data_size;
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106 else
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107 current_pos += bytes;
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108 return current_pos;
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109 }
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110
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111 inline size_t Size() const {return data_size;}
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112 inline size_t Current() const {return current_pos;}
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113 inline void *Ptr() const {return data;}
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114
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115 private:
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116 void *data;
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117 size_t data_size;
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118 size_t current_pos;
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119 };
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120
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121
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2345
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122 bool end_current_file;
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123 bool loop_current_file;
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124 DWORD time_video_begin;
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125 int current_movie_width;
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126 int current_movie_height;
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2315
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127
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128 OpenALSoundProvider *provider = nullptr;
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129
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130
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131
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132 static int av_num_bytes_per_sample(AVSampleFormat sample_fmt)
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133 {
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134 switch (sample_fmt)
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135 {
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136 case AV_SAMPLE_FMT_U8:
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137 case AV_SAMPLE_FMT_U8P:
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138 return 1;
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139
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140 case AV_SAMPLE_FMT_S16:
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141 case AV_SAMPLE_FMT_S16P:
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142 return 2;
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143
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144 case AV_SAMPLE_FMT_S32:
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145 case AV_SAMPLE_FMT_S32P:
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146 case AV_SAMPLE_FMT_FLT:
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147 case AV_SAMPLE_FMT_FLTP:
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148 return 4;
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149
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150 case AV_SAMPLE_FMT_DBL:
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151 case AV_SAMPLE_FMT_DBLP:
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152 return 8;
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153
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154 default:
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155 case AV_SAMPLE_FMT_NONE:
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156 Error("Invalid av sample format: %u", sample_fmt);
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157 }
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158 return 0;
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159 }
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160
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161
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162
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163 struct AVStreamWrapper
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164 {
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165 inline AVStreamWrapper()
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166 {
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167 this->type = AVMEDIA_TYPE_UNKNOWN;
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168 this->stream_idx = -1;
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169 this->stream = nullptr;
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170 this->dec = nullptr;
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171 this->dec_ctx = nullptr;
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172 }
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173
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174 inline void Release()
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175 {
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176 type = AVMEDIA_TYPE_UNKNOWN;
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177 stream_idx = -1;
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178 stream = nullptr;
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179 dec = nullptr;
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180 if (dec_ctx)
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181 {
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2345
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182 //
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2315
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183 avcodec_close(dec_ctx);
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184 dec_ctx = nullptr;
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185 }
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186 }
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187
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188 AVMediaType type;
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189 int stream_idx;
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190 AVStream *stream;
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191 AVCodec *dec;
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192 AVCodecContext *dec_ctx;
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193 };
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194
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195 struct AVAudioStream: public AVStreamWrapper
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196 {
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197 inline AVAudioStream():
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198 AVStreamWrapper()
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199 {
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200 this->bytes_per_sample = 0;
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201 this->bytes_per_second = 0;
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202 }
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203
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204 int bytes_per_sample;
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205 int bytes_per_second;
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206 };
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207
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208 struct AVVideoStream: public AVStreamWrapper
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209 {
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210 inline AVVideoStream():
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211 AVStreamWrapper()
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212 {
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213 this->frames_per_second = 0.0;
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214 }
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215
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216 double frames_per_second;
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217 };
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218
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219 static bool av_open_stream(AVFormatContext *format_ctx, AVMediaType type, AVStreamWrapper *out_stream)
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220 {
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2345
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221 //
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2315
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222 int stream_idx = av_find_best_stream(format_ctx, type, -1, -1, nullptr, 0);
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223 if (stream_idx >= 0)
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224 {
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225 auto stream = format_ctx->streams[stream_idx];
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2345
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226 // (AVCodecContext).
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227 // , (AVCodec) .
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2315
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228 auto dec_ctx = stream->codec;
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2345
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229 //
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2315
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230 auto dec = avcodec_find_decoder(dec_ctx->codec_id);
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231 if (dec)
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232 {
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2345
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233 //
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2315
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234 if (avcodec_open2(dec_ctx, dec, nullptr) >= 0)
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235 {
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236 out_stream->type = type;
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237 out_stream->stream_idx = stream_idx;
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238 out_stream->stream = stream;
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239 out_stream->dec = dec;
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240 out_stream->dec_ctx = dec_ctx;
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241 return true;
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242 }
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243 }
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2345
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244 fprintf(stderr, "ffmpeg: Unable to open codec\n");
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2315
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245 }
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246 return false;
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247 }
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248
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249 static bool av_open_audio_stream(AVFormatContext *format_ctx, AVAudioStream *out_stream)
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250 {
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251 if (!av_open_stream(format_ctx, AVMEDIA_TYPE_AUDIO, out_stream))
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252 return Error("Audio stream not found"), false;
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253
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254 // we support only 2-channel audio for now
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2345
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255 //if (out_stream->dec_ctx->channels != 2)// jvc.bik
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256 //{
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257 // out_stream->Release();
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258 // return Error("Unsupported number of channels: %u", out_stream->dec_ctx->channels), false;
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259 //}
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2315
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260
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261 out_stream->bytes_per_sample = av_num_bytes_per_sample(out_stream->dec_ctx->sample_fmt);
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262 out_stream->bytes_per_second = out_stream->dec_ctx->channels * out_stream->dec_ctx->sample_rate * out_stream->bytes_per_sample;
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263
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264 return true;
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265 }
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266
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267 static bool av_open_video_stream(AVFormatContext *format_ctx, AVVideoStream *out_stream)
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268 {
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269 if (!av_open_stream(format_ctx, AVMEDIA_TYPE_VIDEO, out_stream))
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270 return Error("Video stream not found"), false;
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271
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272 out_stream->frames_per_second = (double)out_stream->dec_ctx->time_base.den / (double)out_stream->dec_ctx->time_base.num;
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273 return true;
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274 }
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275
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276
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277
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278 void InterleaveAudioData(MemoryStream *stream, AVSampleFormat src_format, int num_channels, int num_samples, uint8_t **channels)
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279 {
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280 unsigned int bytes_per_sample;
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281 switch (src_format)
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282 {
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283 case AV_SAMPLE_FMT_U8:
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284 case AV_SAMPLE_FMT_U8P:
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285 __debugbreak();
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286
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287 case AV_SAMPLE_FMT_S16:
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288 bytes_per_sample = sizeof(__int16);
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289 stream->Write(channels[0], num_channels * num_samples * bytes_per_sample);
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290 break;
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291
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292 case AV_SAMPLE_FMT_S16P:
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293 {
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294 bytes_per_sample = sizeof(__int16);
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295 for (int i = 0; i < num_samples; ++i)
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296 for (int j = 0; j < num_channels; ++j)
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297 stream->Write(channels[j] + i * bytes_per_sample, bytes_per_sample);
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298 }
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299 break;
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300
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301 case AV_SAMPLE_FMT_FLT:
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302 {
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303 SwrContext *converter = swr_alloc();
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304 av_opt_set_int(converter, "in_channel_layout", av_get_default_channel_layout(2), 0);
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305 //av_opt_set_int(converter, "in_sample_rate", sample_ra, 0);
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306 av_opt_set_sample_fmt(converter, "in_sample_fmt", AV_SAMPLE_FMT_FLT, 0);
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307
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308 av_opt_set_int(converter, "out_channel_layout", av_get_default_channel_layout(2), 0);
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309 //av_opt_set_int(converter, "out_sample_rate", dst_sample_rate, 0);
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310 av_opt_set_sample_fmt(converter, "out_sample_fmt", AV_SAMPLE_FMT_S16, 0);
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311
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312 if (swr_init(converter) < 0)
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313 {
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314 __debugbreak();
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315 swr_free(&converter);
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316 return;
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317 }
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318
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319 uint8_t **dst_channels;
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320 int dst_linesize[8];
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321 //int dst_nb_channels = av_get_channel_layout_nb_channels(dst_channel_layout);
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322 if (av_samples_alloc_array_and_samples(&dst_channels, dst_linesize, 2, num_channels * num_samples, AV_SAMPLE_FMT_S16, 0) < 0)
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323 {
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324 __debugbreak();
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325 swr_free(&converter);
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326 return;
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327 }
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328
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329 if (swr_convert(converter, dst_channels, num_channels * num_samples, (const uint8_t **)channels, num_channels * num_samples) >= 0)
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330 stream->Write(dst_channels[0], num_channels * num_samples * sizeof(__int16));
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331 else
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332 __debugbreak();
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333
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334 av_free(dst_channels[0]);
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335 swr_free(&converter);
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336 }
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337 break;
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338
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339 default:
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340 __debugbreak();
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341 //if (Resample(next_frame->avframe, next_frame->avframe->channel_layout, next_frame->avframe->sample_rate,
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342 // av_get_default_channel_layout(2), next_frame->avframe->sample_rate, AV_SAMPLE_FMT_S16P, resampled_data))
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343 }
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344 }
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345
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346
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347
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348 bool DecodeAudioFrame(AVCodecContext *dec_ctx, AVPacket *avpacket, AVFrame *avframe, MemoryStream *out_audio_data, int *out_num_audio_samples)
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349 {
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350 volatile int decoded = false;
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351 do
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352 {
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2345
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353 // - avcodec_decode_audio4
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2315
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354 if (avcodec_decode_audio4(dec_ctx, avframe, (int *)&decoded, avpacket) < 0)
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355 {
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356 log("Cannot decode audio frame\n");
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357 return false;
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358 }
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359
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360 if (!decoded)
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361 log("Cannot decode audio frame in one piece\n");
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362 } while (!decoded);
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363
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364 switch (dec_ctx->codec_id)
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365 {
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366 case AV_CODEC_ID_BINKAUDIO_RDFT:
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367 {//pts samples dpts
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368 // 0 960
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369 //17280 960 17280 18x960
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370 //18240 960 960 1x960
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371 //20160 960 1920 2x960
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372 //21120 960 960 1x960
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373 //23040 960 1920 2x960
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374 static int bink_next_pts = 0;
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375
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376 // there's a gap in the sound - fill empty samples in
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377 if (bink_next_pts < avpacket->pts)
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378 {
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379 short silence[1024];
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380 memset(silence, 0, sizeof(silence));
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381
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382 int samples_to_fill = /*dec_ctx->channels * */(avpacket->pts - bink_next_pts);
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383 while (samples_to_fill > 0)
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384 {
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385 int samples_to_fill_this_step = samples_to_fill >= 1024 ? 1024 : samples_to_fill;
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386 out_audio_data->Write(silence, samples_to_fill_this_step * sizeof(short));
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387
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388 samples_to_fill -= samples_to_fill_this_step;
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389 }
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390 }
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391
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392 bink_next_pts = avpacket->pts + /*dec_ctx->channels * */avframe->nb_samples;
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393 }
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394 break;
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395 /*
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396 case AV_CODEC_ID_SMACKAUDIO:
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397 {
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398 static int smack_debug_next_audio_time = 0;
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399 if (smack_debug_next_audio_time != packet->pts)
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400 {
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401 Error("There's a gap in the sound before frame %u\n", num_audio_frames);
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402 __debugbreak(); // there's a gap in the sound
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403 }
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404
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405 int num_actual_data_channels = 0;
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406 switch (dec_ctx->sample_fmt)
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407 {
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408 case AV_SAMPLE_FMT_U8:
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409 case AV_SAMPLE_FMT_S16:
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410 case AV_SAMPLE_FMT_S32:
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411 case AV_SAMPLE_FMT_FLT:
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412 case AV_SAMPLE_FMT_DBL:
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413 num_actual_data_channels = 1;
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414 break;
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415
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416 case AV_SAMPLE_FMT_U8P:
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417 case AV_SAMPLE_FMT_S16P:
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418 case AV_SAMPLE_FMT_S32P:
|
|
|
419 case AV_SAMPLE_FMT_FLTP:
|
|
|
420 case AV_SAMPLE_FMT_DBLP:
|
|
|
421 num_actual_data_channels = dec_ctx->channels;
|
|
|
422 break;
|
|
|
423
|
|
|
424 default:
|
|
|
425 case AV_SAMPLE_FMT_NONE:
|
|
|
426 case AV_SAMPLE_FMT_NB:
|
|
|
427 __debugbreak();
|
|
|
428 }
|
|
|
429
|
|
|
430 smack_debug_next_audio_time += dec_ctx->channels * frame->nb_samples * bytes_per_sample;
|
|
|
431 Assert(frame->avframe->linesize[0] == audio.dec_ctx->channels * frame->avframe->nb_samples * audio.bytes_per_sample / num_actual_data_channels,
|
|
|
432 "Smack audio size mismatch in frame %u in %s\n", audio_num_read_frames, movie_filename);
|
|
|
433
|
|
|
434 frame->play_time = (double)frame->avpacket->pts / (double)audio.bytes_per_second;
|
|
|
435 }
|
|
|
436 break;
|
|
|
437
|
|
|
438 case AV_CODEC_ID_MP3:
|
|
|
439 {
|
|
|
440 static int mp3_samples_decoded_so_far = 0;
|
|
|
441 static int mp3_prev_samples_count = frame->avframe->nb_samples; // mp3 seems to always feed same amount of samples
|
|
|
442 frame->play_time = (double)mp3_samples_decoded_so_far / (double)audio.dec_ctx->sample_rate;
|
|
|
443
|
|
|
444 mp3_samples_decoded_so_far += frame->avframe->nb_samples;
|
|
|
445 Assert(mp3_prev_samples_count == frame->avframe->nb_samples,
|
|
|
446 "MP3 audio have variable sample count in frame %u in %s\n", audio_num_read_frames, movie_filename);
|
|
|
447 }
|
|
|
448 break;
|
|
|
449
|
|
|
450 default:
|
|
|
451 {
|
|
|
452 __debugbreak();
|
|
|
453 double samples_per_second = (double)audio.dec_ctx->time_base.den / (double)audio.dec_ctx->time_base.num;
|
|
|
454 double play_length = frame->avframe->nb_samples / samples_per_second;
|
|
|
455 frame->play_time = (double)frame->avpacket->pts / samples_per_second;
|
|
|
456 }
|
|
|
457 break;*/
|
|
|
458 }
|
|
|
459
|
|
|
460 if (!avframe->channel_layout)
|
|
|
461 {
|
|
|
462 log("Audio channel layout not specified, rolling back to default\n");
|
|
|
463 avframe->channel_layout = av_get_default_channel_layout(dec_ctx->channels);
|
|
|
464 }
|
|
|
465
|
|
|
466 *out_num_audio_samples = dec_ctx->channels * avframe->nb_samples;
|
|
|
467 InterleaveAudioData(out_audio_data, dec_ctx->sample_fmt,
|
|
|
468 dec_ctx->channels, avframe->nb_samples, avframe->data);
|
|
|
469 return true;
|
|
|
470 }
|
|
|
471
|
|
|
472
|
|
|
473 bool LoadAudioTrack(AVFormatContext *format_ctx, AVCodecContext *dec_ctx, int audio_stream_idx, MemoryStream *out_audio_stream, int *out_num_audio_frames, int *out_num_audio_samples)
|
|
|
474 {
|
|
|
475 out_audio_stream->Reset();
|
|
|
476
|
|
2345
|
477 // audio.
|
|
|
478 // (AVPacket), (AVFrame).
|
|
2315
|
479 AVFrame *frame = avcodec_alloc_frame();
|
|
|
480 AVPacket *packet = new AVPacket;
|
|
|
481 av_init_packet(packet);
|
|
|
482
|
|
|
483 int num_audio_frames = 0;
|
|
|
484 int num_audio_samples = 0;
|
|
2345
|
485 //
|
|
2315
|
486 while (av_read_frame(format_ctx, packet) >= 0)
|
|
|
487 {
|
|
2345
|
488 //
|
|
2315
|
489 if (packet->stream_index != audio_stream_idx)
|
|
|
490 {
|
|
|
491 //log("Suspicious stream id %u in %s", packet->stream_index, filenamea);
|
|
|
492 continue;
|
|
|
493 }
|
|
|
494
|
|
|
495 int num_samples_decoded;
|
|
|
496 DecodeAudioFrame(dec_ctx, packet, frame, out_audio_stream, &num_samples_decoded);
|
|
|
497
|
|
|
498 num_audio_samples += num_samples_decoded;
|
|
|
499 num_audio_frames++;
|
|
|
500 }
|
|
|
501 *out_num_audio_frames = num_audio_frames;
|
|
|
502 *out_num_audio_samples = num_audio_samples;
|
|
|
503
|
|
|
504 avcodec_free_frame(&frame);
|
|
|
505 delete packet;
|
|
|
506
|
|
|
507 return true;
|
|
|
508 }
|
|
|
509
|
|
|
510
|
|
|
511 class Track: public Media::ITrack
|
|
|
512 {
|
|
|
513 public:
|
|
|
514 inline Track()
|
|
|
515 {
|
|
|
516 this->format_ctx = nullptr;
|
|
|
517 this->audio_num_samples = 0;
|
|
|
518 }
|
|
|
519
|
|
|
520 void Release()
|
|
|
521 {
|
|
|
522 ReleaseAvcodec();
|
|
|
523 }
|
|
|
524
|
|
|
525 void ReleaseAvcodec()
|
|
|
526 {
|
|
|
527 audio.Release();
|
|
|
528 if (format_ctx)
|
|
|
529 {
|
|
2345
|
530 //
|
|
2315
|
531 av_close_input_file(format_ctx);
|
|
|
532 format_ctx = nullptr;
|
|
|
533 }
|
|
|
534 }
|
|
|
535
|
|
|
536 bool Load(const wchar_t *filename)
|
|
|
537 {
|
|
|
538 char filenamea[1024];
|
|
|
539 sprintf(filenamea, "%S", filename);
|
|
2345
|
540 // Open audio file
|
|
|
541 // ( 2)
|
|
|
542 // avformat_open_input
|
|
|
543 //AVFormatContext. NULL, libavformat
|
|
|
544 // .
|
|
2315
|
545 if (avformat_open_input(&format_ctx, filenamea, nullptr, nullptr) >= 0)
|
|
|
546 {
|
|
2345
|
547 // Retrieve stream information
|
|
|
548 //.. avformat_open_input ,
|
|
|
549 // . avformat_find_stream_info.
|
|
2315
|
550 if (avformat_find_stream_info(format_ctx, nullptr) >= 0)
|
|
|
551 {
|
|
2345
|
552 // Dump information about file onto standard error
|
|
|
553 // format_context->streams .
|
|
|
554 // format_context->nb_streams.
|
|
|
555 // av_dump_format.
|
|
2315
|
556 av_dump_format(format_ctx, 0, filenamea, 0);
|
|
|
557
|
|
|
558 if (!av_open_audio_stream(format_ctx, &audio))
|
|
|
559 {
|
|
|
560 Error("Cannot open strack: %s", filenamea);
|
|
|
561 return Release(), false;
|
|
|
562 }
|
|
|
563
|
|
|
564 MemoryStream audio_plain_data;
|
|
|
565 int num_audio_frames;
|
|
|
566 int num_audio_samples;
|
|
|
567 if (LoadAudioTrack(format_ctx, audio.dec_ctx, audio.stream_idx, &audio_plain_data, &num_audio_frames, &num_audio_samples))
|
|
|
568 {
|
|
|
569 /*#ifdef _DEBUG
|
|
|
570 char debug_filename[1024];
|
|
|
571 sprintf(debug_filename, "%s.wav", filenamea);
|
|
|
572 FILE *wav = fopen(debug_filename, "w+b");
|
|
|
573
|
|
|
574 extern void write_wav_header(FILE *wav, int channel_count = 2, int sample_rate = 22050, int bytes_per_sample = 2);
|
|
|
575 write_wav_header(wav, audio.dec_ctx->channels, audio.dec_ctx->sample_rate, audio.bytes_per_sample);
|
|
|
576
|
|
|
577 fwrite(audio_plain_data.Ptr(), audio_plain_data.Current(), 1, wav);
|
|
|
578
|
|
|
579 extern void fix_wav_header(FILE *wav, int wav_bytes_in_stream);
|
|
|
580 fix_wav_header(wav, audio_plain_data.Current());
|
|
|
581 #endif*/
|
|
|
582
|
|
|
583 device_buffer = provider->CreateTrack16(audio.dec_ctx->channels, audio.dec_ctx->sample_rate, 2, num_audio_samples, audio_plain_data.Ptr());
|
|
|
584
|
|
|
585 ReleaseAvcodec();
|
|
|
586 return true;
|
|
|
587 }
|
|
|
588 }
|
|
|
589 Release();
|
|
2345
|
590 fprintf(stderr, "ffmpeg: Unable to find stream info\n");
|
|
|
591 return false;
|
|
2315
|
592 }
|
|
2345
|
593 fprintf(stderr, "ffmpeg: Unable to open input file\n");
|
|
2315
|
594 return false;
|
|
|
595 }
|
|
|
596
|
|
|
597 virtual void Play(bool loop)
|
|
|
598 {
|
|
|
599 provider->PlayTrack16(device_buffer, loop);
|
|
|
600 }
|
|
|
601
|
|
|
602
|
|
|
603 protected:
|
|
|
604 AVFormatContext *format_ctx;
|
|
|
605 AVAudioStream audio;
|
|
|
606 int audio_num_samples;
|
|
|
607
|
|
2345
|
608 bool stopped;
|
|
|
609
|
|
2315
|
610 OpenALSoundProvider::TrackBuffer *device_buffer;
|
|
|
611 };
|
|
|
612
|
|
|
613
|
|
|
614
|
|
|
615 class Movie: public Media::IMovie
|
|
|
616 {
|
|
|
617 public:
|
|
2345
|
618 int audio_stream_idx;
|
|
|
619 AVStream *audio_stream;//
|
|
|
620 AVCodec *audio_stream_dec;
|
|
|
621 AVCodecContext *audio_stream_dec_ctx;
|
|
|
622
|
|
|
623 int video_stream_idx;
|
|
|
624 AVStream *video_stream;//
|
|
|
625 AVCodec *video_stream_dec;
|
|
|
626 AVCodecContext *video_stream_dec_ctx;
|
|
|
627 bool Stopped() { return stopped; }
|
|
|
628 bool End_file() { return end_of_file; }
|
|
|
629
|
|
2315
|
630 inline Movie()
|
|
|
631 {
|
|
|
632 this->movie_filename[0] = 0;
|
|
|
633 this->width = 0;
|
|
|
634 this->height = 0;
|
|
|
635 this->format_ctx = nullptr;
|
|
|
636 this->end_of_file = false;
|
|
|
637 this->playback_time = 0.0;
|
|
|
638
|
|
|
639 this->num_audio_frames = 0;
|
|
|
640 this->num_audio_samples = 0;
|
|
|
641
|
|
|
642 this->last_resampled_frame_num = -1;
|
|
|
643 memset(last_resampled_frame_data, 0, sizeof(last_resampled_frame_data));
|
|
|
644 memset(last_resampled_frame_linesize, 0, sizeof(last_resampled_frame_linesize));
|
|
2345
|
645
|
|
|
646 decoding_packet = nullptr;
|
|
|
647 ioBuffer = nullptr;
|
|
|
648 format_ctx = nullptr;
|
|
|
649 avioContext = nullptr;
|
|
2315
|
650 }
|
|
|
651
|
|
|
652
|
|
|
653 inline void Release()
|
|
|
654 {
|
|
|
655 ReleaseAVCodec();
|
|
|
656 }
|
|
|
657
|
|
|
658 inline void ReleaseAVCodec()
|
|
|
659 {
|
|
|
660 audio.Release();
|
|
|
661 video.Release();
|
|
|
662 if (format_ctx)
|
|
|
663 {
|
|
2345
|
664 //
|
|
2315
|
665 av_close_input_file(format_ctx);
|
|
|
666 format_ctx = nullptr;
|
|
|
667 }
|
|
|
668 }
|
|
|
669
|
|
|
670 bool Load(const wchar_t *filename, int dst_width, int dst_height, int cache_ms)
|
|
|
671 {
|
|
|
672 char filenamea[1024];
|
|
|
673 sprintf(filenamea, "%S", filename);
|
|
|
674 sprintf(movie_filename, "%S", filename);
|
|
|
675
|
|
|
676 width = dst_width;
|
|
|
677 height = dst_height;
|
|
2345
|
678 // Open video file
|
|
|
679 // ( 2)
|
|
|
680 // avformat_open_input
|
|
|
681 //AVFormatContext. NULL, libavformat
|
|
|
682 // .
|
|
2315
|
683 if (avformat_open_input(&format_ctx, filenamea, nullptr, nullptr) >= 0)
|
|
|
684 {
|
|
2345
|
685 // Retrieve stream information
|
|
|
686 //.. avformat_open_input ,
|
|
|
687 // . avformat_find_stream_info.( 3)
|
|
2315
|
688 if (avformat_find_stream_info(format_ctx, nullptr) >= 0)
|
|
|
689 {
|
|
2345
|
690 // Dump information about file onto standard error
|
|
|
691 // format_context->streams .
|
|
|
692 // format_context->nb_streams.
|
|
|
693 // av_dump_format.
|
|
2315
|
694 av_dump_format(format_ctx, 0, filenamea, 0);
|
|
|
695
|
|
|
696 if (!av_open_audio_stream(format_ctx, &audio))
|
|
|
697 {
|
|
|
698 Error("Cannot open audio stream: %s", filenamea);
|
|
|
699 return Release(), false;
|
|
|
700 }
|
|
|
701
|
|
|
702 if (!av_open_video_stream(format_ctx, &video))
|
|
|
703 {
|
|
|
704 Error("Cannot open video stream: %s", filenamea);
|
|
|
705 return Release(), false;
|
|
|
706 }
|
|
|
707
|
|
2345
|
708 if (_stricmp("binkvideo", video.dec->name) )
|
|
|
709 {
|
|
|
710 current_movie_width = video.dec_ctx->width;
|
|
|
711 current_movie_height = video.dec_ctx->height;
|
|
|
712 }
|
|
|
713 else
|
|
|
714 {
|
|
|
715 current_movie_width = width;
|
|
|
716 current_movie_height = height;
|
|
|
717 }
|
|
|
718
|
|
2315
|
719 decoding_packet = new AVPacket;
|
|
|
720 av_init_packet(decoding_packet);
|
|
|
721
|
|
|
722 decoding_frame = avcodec_alloc_frame();
|
|
|
723
|
|
|
724 audio_data_in_device = provider->CreateStreamingTrack16(audio.dec_ctx->channels, audio.dec_ctx->sample_rate, 2);
|
|
|
725
|
|
|
726 return true;
|
|
|
727 }
|
|
2345
|
728 fprintf(stderr, "ffmpeg: Unable to find stream info\n");
|
|
|
729 return false;
|
|
2315
|
730 }
|
|
2345
|
731 fprintf(stderr, "ffmpeg: Unable to open input file\n");
|
|
2315
|
732 return false;
|
|
|
733 }
|
|
2345
|
734 bool LoadFromLOD(HANDLE h, int readFunction(void*, uint8_t*, int), int64_t seekFunction(void*, int64_t, int), int width, int height)
|
|
|
735 {
|
|
|
736 if (!ioBuffer)
|
|
|
737 ioBuffer = (unsigned char *)av_malloc(16384 + FF_INPUT_BUFFER_PADDING_SIZE); // can get av_free()ed by libav
|
|
|
738 if (!avioContext)
|
|
|
739 avioContext = avio_alloc_context(ioBuffer, 16384, 0, h, readFunction, NULL, seekFunction);
|
|
|
740 if (!format_ctx)
|
|
|
741 format_ctx = avformat_alloc_context();
|
|
|
742 format_ctx->pb = avioContext;
|
|
|
743 return Load(L"dummyFilename", width, height, 0);
|
|
|
744 }
|
|
|
745
|
|
|
746 bool Load(const char *video_filename, int width, int height)
|
|
|
747 {
|
|
|
748 this->width = width;
|
|
|
749 this->height = height;
|
|
|
750 // Open video file
|
|
|
751 // ( 2)
|
|
|
752 // avformat_open_input
|
|
|
753 //AVFormatContext. NULL, libavformat
|
|
|
754 // .
|
|
|
755 if (avformat_open_input(&format_ctx, video_filename, nullptr, nullptr) >= 0)
|
|
|
756 {
|
|
|
757 // Retrieve stream information
|
|
|
758 //.. avformat_open_input ,
|
|
|
759 // . avformat_find_stream_info.( 3)
|
|
|
760 if (avformat_find_stream_info(format_ctx, nullptr) >= 0)
|
|
|
761 {
|
|
|
762 // Dump information about file onto standard error
|
|
|
763 // format_context->streams .
|
|
|
764 // format_context->nb_streams.
|
|
|
765 // av_dump_format.
|
|
|
766 av_dump_format(format_ctx, 0, video_filename, 0);
|
|
|
767
|
|
|
768 video_stream_idx = OpenStream(AVMEDIA_TYPE_VIDEO, &video_stream, &video_stream_dec, &video_stream_dec_ctx);
|
|
|
769 if (video_stream_idx < 0)
|
|
|
770 return Release(), false;
|
|
|
771 if (_stricmp("binkvideo", video_stream_dec->name) )//Ritor1: include
|
|
|
772 {
|
|
|
773 this->width = video_stream_dec_ctx->width;
|
|
|
774 this->height = video_stream_dec_ctx->height;
|
|
|
775 }
|
|
|
776
|
|
|
777 audio_stream_idx = OpenStream(AVMEDIA_TYPE_AUDIO, &audio_stream, &audio_stream_dec, &audio_stream_dec_ctx);
|
|
|
778 if (audio_stream_idx < 0)
|
|
|
779 return Release(), false;
|
|
|
780
|
|
|
781 strcpy(movie_filename, video_filename);
|
|
|
782 // (AVPacket)
|
|
|
783 decoding_packet = new AVPacket;
|
|
|
784 av_init_packet(decoding_packet);
|
|
|
785 return true;
|
|
|
786 }
|
|
|
787 fprintf(stderr, "ffmpeg: Unable to find stream info\n");
|
|
|
788 return Release(), false;
|
|
|
789 }
|
|
|
790 fprintf(stderr, "ffmpeg: Unable to open input file\n");
|
|
|
791 return Release(), false;
|
|
|
792 }
|
|
|
793 int OpenStream(AVMediaType type, AVStream **out_stream, AVCodec **out_dec, AVCodecContext **out_dec_ctx)
|
|
|
794 {
|
|
|
795 int stream_idx = av_find_best_stream(format_ctx, type, -1, -1, nullptr, 0);
|
|
|
796 if (stream_idx < 0)
|
|
|
797 return stream_idx;
|
|
|
798
|
|
|
799 auto stream = format_ctx->streams[stream_idx];
|
|
|
800 // (AVCodecContext).
|
|
|
801 // , (AVCodec) .
|
|
|
802 auto dec_ctx = stream->codec;
|
|
|
803 auto dec = avcodec_find_decoder(dec_ctx->codec_id);
|
|
|
804 if (dec)
|
|
|
805 {
|
|
|
806 if (avcodec_open2(dec_ctx, dec, nullptr) >= 0)
|
|
|
807 {
|
|
|
808 *out_stream = stream;
|
|
|
809 *out_dec = dec;
|
|
|
810 *out_dec_ctx = dec_ctx;
|
|
|
811 return stream_idx;
|
|
|
812 }
|
|
|
813 }
|
|
|
814 fprintf(stderr, "ffmpeg: Unable to open codec\n");
|
|
|
815 return -1;
|
|
|
816 }
|
|
2315
|
817
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818 virtual void Play()
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819 {
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820 }
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821
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2319
|
822 virtual void GetNextFrame(double dt, void *dst_surface)//
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2315
|
823 {
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2319
|
824 playback_time += dt;//
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2315
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825
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2345
|
826 // (AVPacket), (AVFrame).
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|
827 //( video_stream).
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2315
|
828 AVPacket *avpacket = decoding_packet;
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|
829 AVFrame *avframe = decoding_frame;
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2345
|
830 //
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2315
|
831 avcodec_get_frame_defaults(avframe);
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832
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833 int desired_frame_number = floor(playback_time * video.dec_ctx->time_base.den / video.dec_ctx->time_base.num + 0.5);
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834 if (last_resampled_frame_num == desired_frame_number)
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835 {
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|
836 memcpy(dst_surface, last_resampled_frame_data[0], height * last_resampled_frame_linesize[0]);
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|
837 return;
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|
838 }
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839
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840 volatile int decoded = false;
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|
2345
|
841 //
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|
842 // keep reading packets until we hit the end or find a video packet
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843 while (av_read_frame(format_ctx, avpacket) >= 0)
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2315
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844 {
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|
2345
|
845 /*if (av_read_frame(format_ctx, avpacket) < 0) //
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2315
|
846 {
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|
2345
|
847 if (loop_current_file)
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|
848 {
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|
849 av_seek_frame(format_ctx, video.stream_idx, 0, AVSEEK_FLAG_ANY);
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850 }
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851 else
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852 {
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2315
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853 // probably movie is finished
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2345
|
854 //__debugbreak();
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855 end_of_file = true;
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856 end_current_file = true;
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857 return;// nullptr;
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|
858 }
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859 } */
|
|
2315
|
860
|
|
2345
|
861 // Is this a packet from the video stream?
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|
2315
|
862 // audio packet - queue into playing
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2345
|
863 //
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2315
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864 if (avpacket->stream_index == audio.stream_idx)
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865 {
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866 MemoryStream audio_data;
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867 if (DecodeAudioFrame(audio.dec_ctx, avpacket, avframe, &audio_data, &num_audio_samples))
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|
868 provider->Stream16(audio_data_in_device, num_audio_samples, audio_data.Ptr());
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|
2345
|
869 continue;
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2315
|
870 }
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|
2345
|
871 // Decode video frame
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|
872 //
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2315
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873 else if (avpacket->stream_index == video.stream_idx)
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874 {
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2345
|
875 // avcodec_decode_video2 ,
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|
876 // (codec_context). frame_finished
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|
877 // ( frame_finished
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|
878 // ).
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879 avcodec_decode_video2(video.dec_ctx, avframe, (int *)&decoded, avpacket);
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|
880 if (decoded)
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2315
|
881 {
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2345
|
882 if (last_resampled_frame_data[0])
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|
|
883 av_freep(&last_resampled_frame_data[0]);
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|
2315
|
884
|
|
2345
|
885 AVPixelFormat rescaled_format = AV_PIX_FMT_RGB32;
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886 uint8_t *rescaled_data[4] = {nullptr, nullptr, nullptr, nullptr};
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|
|
887 int rescaled_linesize[4] = {0, 0, 0, 0};
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|
888 if (av_image_alloc(rescaled_data, rescaled_linesize, current_movie_width, current_movie_height, rescaled_format, 1) >= 0)
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|
889 {
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|
|
890 //
|
|
|
891 SwsContext *converter = sws_getContext(avframe->width, avframe->height, (AVPixelFormat)avframe->format,
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|
|
892 current_movie_width, current_movie_height, rescaled_format,
|
|
2315
|
893 SWS_BICUBIC, nullptr, nullptr, nullptr);
|
|
2345
|
894 //
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|
|
895 sws_scale(converter, avframe->data, avframe->linesize, 0, avframe->height, rescaled_data, rescaled_linesize);
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|
|
896 sws_freeContext(converter);
|
|
2315
|
897
|
|
2345
|
898 memcpy(dst_surface, rescaled_data[0], current_movie_height * rescaled_linesize[0]);
|
|
2315
|
899
|
|
2345
|
900 last_resampled_frame_num = desired_frame_number;
|
|
|
901 memcpy(last_resampled_frame_data, rescaled_data, sizeof(rescaled_data));
|
|
|
902 memcpy(last_resampled_frame_linesize, rescaled_linesize, sizeof(rescaled_linesize));
|
|
|
903 }
|
|
|
904 }
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|
|
905 else
|
|
|
906 memset(dst_surface, 0, current_movie_width * current_movie_height * 4);
|
|
2315
|
907 }
|
|
2345
|
908 return;
|
|
|
909 }// while (avpacket->stream_index != video.stream_idx ||
|
|
|
910 // avpacket->pts != desired_frame_number);
|
|
|
911 if (loop_current_file)
|
|
|
912 {
|
|
|
913 av_seek_frame(format_ctx, video.stream_idx, 0, AVSEEK_FLAG_ANY);
|
|
2315
|
914 }
|
|
|
915 else
|
|
2345
|
916 {
|
|
|
917 // probably movie is finished
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|
|
918 //__debugbreak();
|
|
|
919 end_of_file = true;
|
|
|
920 end_current_file = true;
|
|
|
921 return;// nullptr;
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|
|
922 }
|
|
2315
|
923 }
|
|
|
924
|
|
2345
|
925 /*inline char *DoFrame()
|
|
|
926 {
|
|
|
927 if (!current_movie)
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|
|
928 return nullptr;
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|
|
929
|
|
|
930 while (true)
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|
|
931 {
|
|
|
932 auto frame = current_movie->GetNextFrame();
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|
|
933 if (!frame)
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|
|
934 return nullptr;
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|
|
935
|
|
|
936 if (frame->Type() == AVMEDIA_TYPE_AUDIO)
|
|
|
937 {
|
|
|
938 //continue;
|
|
|
939 // uint8_t *data;
|
|
|
940 if (frame->Decode() >= 0)
|
|
|
941 {
|
|
|
942 auto f = frame->GetAVFrame();
|
|
|
943 provider->PlaySample(f->channels, f->sample_rate, f->nb_samples, frame->GetData());
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|
|
944 Sleep(20);
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|
|
945 continue;
|
|
|
946 }
|
|
|
947 }
|
|
|
948 else if (frame->Type() == AVMEDIA_TYPE_VIDEO)
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|
|
949 {
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|
|
950 uint8_t *dst_data[4] = { 0 };
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|
|
951 int dst_linesize[4] = { 0 };
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|
|
952 if (frame->Decode() >= 0)
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|
|
953 {
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|
|
954 auto image = new char[current_movie_width * current_movie_height * 4];
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|
|
955 memcpy(image, frame->GetData(), current_movie_height * frame->GetDataPitch());
|
|
|
956
|
|
|
957 return image;
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|
|
958 }
|
|
|
959 }
|
|
|
960 return nullptr;
|
|
|
961 }
|
|
|
962 }*/
|
|
|
963
|
|
2315
|
964 protected:
|
|
|
965 char movie_filename[256];
|
|
|
966 int width;
|
|
|
967 int height;
|
|
2345
|
968 bool stopped;
|
|
2315
|
969 AVFormatContext *format_ctx;
|
|
|
970 double playback_time;
|
|
|
971 bool end_of_file;
|
|
|
972
|
|
|
973 AVPacket *decoding_packet;
|
|
|
974 AVFrame *decoding_frame;
|
|
|
975
|
|
|
976 AVAudioStream audio;
|
|
|
977 int num_audio_frames;
|
|
|
978 int num_audio_samples;
|
|
2345
|
979 unsigned char * ioBuffer;
|
|
|
980 AVIOContext *avioContext;
|
|
2315
|
981 OpenALSoundProvider::StreamingTrackBuffer *audio_data_in_device;
|
|
|
982
|
|
|
983 AVVideoStream video;
|
|
|
984 int last_resampled_frame_num;
|
|
|
985 uint8_t *last_resampled_frame_data[4];
|
|
|
986 int last_resampled_frame_linesize[4];
|
|
|
987 };
|
|
|
988
|
|
|
989
|
|
|
990 ITrack *Player::LoadTrack(const wchar_t *filename)
|
|
|
991 {
|
|
|
992 auto track = new Track;
|
|
|
993 if (!track->Load(filename))
|
|
|
994 {
|
|
|
995 delete track;
|
|
|
996 track = nullptr;
|
|
|
997 }
|
|
|
998 return track;
|
|
|
999 }
|
|
|
1000
|
|
|
1001
|
|
|
1002 IMovie *Player::LoadMovie(const wchar_t *filename, int width, int height, int cache_ms)
|
|
|
1003 {
|
|
|
1004 auto movie = new Movie;
|
|
|
1005 if (!movie->Load(filename, width, height, cache_ms))
|
|
|
1006 {
|
|
|
1007 delete movie;
|
|
|
1008 movie = nullptr;
|
|
|
1009 }
|
|
|
1010 return movie;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013
|
|
|
1014
|
|
|
1015
|
|
|
1016
|
|
|
1017
|
|
|
1018 void av_logger(void *, int, const char *format, va_list args)
|
|
|
1019 {
|
|
|
1020 va_list va;
|
|
|
1021 va_start(va, format);
|
|
|
1022 char msg[256];
|
|
|
1023 vsprintf(msg, format, va);
|
|
|
1024 va_end(va);
|
|
|
1025
|
|
|
1026 log("av: %s", msg);
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 Player::Player()
|
|
|
1030 {
|
|
|
1031 static int libavcodec_initialized = false;
|
|
|
1032
|
|
|
1033 if (!libavcodec_initialized)
|
|
|
1034 {
|
|
|
1035 av_log_set_callback(av_logger);
|
|
|
1036 avcodec_register_all();
|
|
2345
|
1037
|
|
|
1038 // Register all available file formats and codecs
|
|
|
1039 // ffmpeg( 1)
|
|
|
1040 // .
|
|
|
1041 // .
|
|
2315
|
1042 av_register_all();
|
|
|
1043
|
|
|
1044 libavcodec_initialized = true;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 if (!provider)
|
|
|
1048 {
|
|
|
1049 provider = new OpenALSoundProvider;
|
|
|
1050 provider->Initialize();
|
|
|
1051 }
|
|
|
1052 }
|
|
|
1053
|
|
|
1054 Player::~Player()
|
|
|
1055 {
|
|
2345
|
1056 }
|
|
|
1057 IMovie *Player::LoadMovieFromLOD(HANDLE h, int readFunction(void*, uint8_t*, int), int64_t seekFunction(void*, int64_t, int), int width, int height)
|
|
|
1058 {
|
|
|
1059 auto movie = new Movie;
|
|
|
1060 if (movie)
|
|
|
1061 {
|
|
|
1062 if (movie->LoadFromLOD(h, readFunction, seekFunction, width, height))
|
|
|
1063 {
|
|
|
1064 /*if (_stricmp("binkvideo", movie->video_stream_dec->name) )
|
|
|
1065 {
|
|
|
1066 current_movie_width = movie->video_stream_dec_ctx->width;
|
|
|
1067 current_movie_height = movie->video_stream_dec_ctx->height;
|
|
|
1068 }
|
|
|
1069 else
|
|
|
1070 {
|
|
|
1071 current_movie_width = width;
|
|
|
1072 current_movie_height = height;
|
|
|
1073 } */
|
|
|
1074 return movie;
|
|
|
1075 }
|
|
|
1076 delete movie;
|
|
|
1077 }
|
|
|
1078 return nullptr;
|
|
|
1079 } |
