1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: David Hasenfratz |
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13 | co-programmer: |
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14 | */ |
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15 | |
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16 | |
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17 | |
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18 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_MEDIA module |
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19 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
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20 | */ |
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21 | #define DEBUG_MODULE_MEDIA |
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22 | |
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23 | |
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24 | // include your own header |
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25 | #include "movie_player.h" |
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26 | |
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27 | // header for debug output |
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28 | #include "debug.h" |
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29 | |
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30 | |
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31 | MoviePlayer::MoviePlayer(const char* filename) |
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32 | { |
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33 | this->init(); |
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34 | |
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35 | if (filename != NULL) |
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36 | this->loadMovie(filename); |
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37 | } |
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38 | |
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39 | MoviePlayer::MoviePlayer() |
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40 | { |
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41 | this->init(); |
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42 | } |
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43 | |
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44 | MoviePlayer::~MoviePlayer() |
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45 | { |
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46 | delete material; |
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47 | delete model; |
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48 | |
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49 | if (glIsTexture(texture)) |
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50 | glDeleteTextures(1, &texture); |
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51 | //SDL_FreeSurface(surface); |
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52 | |
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53 | // Free the RGB image |
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54 | delete [] buffer; |
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55 | av_free(RGB_frame); |
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56 | |
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57 | // Free the frame |
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58 | av_free(frame); |
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59 | |
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60 | avcodec_default_free_buffers(codec_context); |
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61 | |
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62 | // Close the codec |
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63 | avcodec_close(codec_context); |
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64 | |
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65 | // Close the video file |
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66 | av_close_input_file(format_context); |
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67 | } |
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68 | |
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69 | void MoviePlayer::init() |
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70 | { |
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71 | // set the class id for the base object |
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72 | this->setClassID(CL_MOVIE_PLAYER, "MoviePlayer"); |
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73 | |
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74 | status = STOP; |
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75 | timer = 0; |
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76 | frame_number = 0; |
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77 | speed = 1; |
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78 | |
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79 | material = new Material; |
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80 | material->setDiffuseMap("maps/radialTransparency.png"); |
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81 | |
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82 | model = new PrimitiveModel(PRIM_PLANE, 10.0); |
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83 | |
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84 | LightManager* lightMan = LightManager::getInstance(); |
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85 | lightMan->setAmbientColor(.1,.1,.1); |
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86 | (new Light())->setAbsCoor(5.0, 10.0, 40.0); |
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87 | (new Light())->setAbsCoor(-10, -20, -100); |
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88 | } |
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89 | |
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90 | void MoviePlayer::loadMovie(const char* filename) |
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91 | { |
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92 | // register all formats and codecs |
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93 | av_register_all(); |
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94 | |
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95 | // Open video file |
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96 | if (av_open_input_file(&format_context, filename, NULL, 0, NULL) !=0 ) |
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97 | PRINTF(1)("Could not open %s\n", filename); |
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98 | |
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99 | // Retrieve stream information |
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100 | if (av_find_stream_info(format_context) < 0) |
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101 | PRINTF(1)("Could not find stream information in %s\n", filename); |
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102 | |
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103 | // Find the first video stream and take it |
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104 | video_stream = av_find_default_stream_index(format_context); |
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105 | |
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106 | if(video_stream == -1) |
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107 | PRINTF(1)("Could not find a video stream in %s\n", filename); |
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108 | |
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109 | // Get a pointer to the codec context for the video stream |
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110 | // NOTE: different code for the 0.4.9-pre1 release of ffmpeg (tardis) |
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111 | // codec_context = &format_context->streams[video_stream]->codec; |
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112 | codec_context = format_context->streams[video_stream]->codec; |
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113 | |
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114 | // Find the decoder for the video stream |
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115 | codec = avcodec_find_decoder(codec_context->codec_id); |
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116 | if (codec == NULL) |
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117 | PRINTF(1)("Could not find codec\n"); |
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118 | |
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119 | // Open codec |
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120 | if (avcodec_open(codec_context, codec) < 0) |
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121 | PRINTF(1)("Could not open codec\n"); |
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122 | |
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123 | // Allocate video frame |
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124 | frame = avcodec_alloc_frame(); |
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125 | RGB_frame = avcodec_alloc_frame(); |
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126 | |
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127 | // Determine required buffer size and allocate buffer |
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128 | num_bytes = avpicture_get_size(PIX_FMT_RGB24, codec_context->width, codec_context->height); |
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129 | buffer=new uint8_t[num_bytes]; |
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130 | |
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131 | // Assign appropriate parts of buffer to image planes in RGB_frame |
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132 | avpicture_fill((AVPicture *)RGB_frame, buffer, PIX_FMT_RGB24, codec_context->width, codec_context->height); |
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133 | |
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134 | // data buffer for the texture |
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135 | data = new uint8_t[codec_context->width*codec_context->height*3*sizeof(uint8_t)]; |
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136 | |
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137 | // Calculate fps |
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138 | fps = av_q2d(format_context->streams[video_stream]->r_frame_rate); |
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139 | |
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140 | // duration |
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141 | duration = format_context->duration / 1000000LL; |
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142 | |
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143 | // create texture |
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144 | glGenTextures(1, &texture); |
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145 | glBindTexture(GL_TEXTURE_2D, texture); |
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146 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
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147 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
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148 | glTexImage2D(GL_TEXTURE_2D, |
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149 | 0, |
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150 | GL_RGB, |
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151 | 0, 0, |
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152 | 0, |
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153 | GL_RGB, |
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154 | GL_UNSIGNED_BYTE, |
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155 | NULL); |
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156 | glBindTexture(GL_TEXTURE_2D, 0); |
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157 | } |
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158 | |
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159 | void MoviePlayer::getNextFrame() |
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160 | { |
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161 | // get next frame |
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162 | if(av_read_frame(format_context, &packet) >= 0) |
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163 | { |
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164 | // Is this a packet from the video stream? |
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165 | if(packet.stream_index == video_stream) |
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166 | { |
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167 | int frame_finished; |
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168 | // Decode video frame |
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169 | avcodec_decode_video(codec_context, frame, &frame_finished, |
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170 | packet.data, packet.size); |
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171 | |
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172 | // Free the packet that was allocated by av_read_frame |
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173 | av_free_packet(&packet); |
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174 | |
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175 | // Did we get a video frame? |
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176 | if(frame_finished) |
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177 | { |
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178 | frame_number++; |
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179 | //PRINTF(0)("frame_number: %i\n", frame_number); |
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180 | // Conversion from YUV to RGB |
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181 | // Most codecs return images in YUV 420 format |
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182 | // (one luminance and two chrominance channels, with the chrominance |
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183 | // channels samples at half the spatial resolution of the luminance channel) |
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184 | img_convert((AVPicture*)RGB_frame, PIX_FMT_RGB24, (AVPicture*)frame, |
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185 | codec_context->pix_fmt, codec_context->width, codec_context->height); |
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186 | |
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187 | for(int i = 0; i < codec_context->height; i++) |
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188 | memcpy(&data[i*codec_context->width*3], ((AVPicture*)RGB_frame)->data[0]+i * |
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189 | ((AVPicture*)RGB_frame)->linesize[0], |
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190 | codec_context->width*sizeof(uint8_t)*3); |
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191 | |
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192 | /* surface = SDL_CreateRGBSurfaceFrom(data, codec_context->width, |
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193 | codec_context->height,24, |
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194 | codec_context->width*sizeof(uint8_t)*3, |
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195 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN // OpenGL RGBA masks |
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196 | 0x000000FF, |
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197 | 0x0000FF00, |
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198 | 0x00FF0000, |
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199 | 0 |
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200 | #else |
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201 | 0xFF000000, |
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202 | 0x00FF0000, |
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203 | 0x0000FF00, |
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204 | 0 |
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205 | #endif |
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206 | ); |
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207 | |
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208 | glBindTexture(GL_TEXTURE_2D, texture); |
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209 | // update the texture |
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210 | glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, |
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211 | surface->w, surface->h, |
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212 | GL_RGB, GL_UNSIGNED_BYTE, |
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213 | surface->pixels); |
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214 | // build the MipMaps |
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215 | gluBuild2DMipmaps(GL_TEXTURE_2D, |
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216 | GL_RGB, |
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217 | surface->w, |
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218 | surface->h, |
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219 | GL_RGB, |
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220 | GL_UNSIGNED_BYTE, |
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221 | surface->pixels); |
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222 | glBindTexture(GL_TEXTURE_2D, 0);*/ |
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223 | |
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224 | |
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225 | glBindTexture(GL_TEXTURE_2D, texture); |
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226 | // update the texture |
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227 | glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, |
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228 | codec_context->width, codec_context->height, |
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229 | GL_RGB, GL_UNSIGNED_BYTE, |
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230 | data); |
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231 | // build the MipMaps |
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232 | gluBuild2DMipmaps(GL_TEXTURE_2D, |
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233 | GL_RGB, |
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234 | codec_context->width, |
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235 | codec_context->height, |
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236 | GL_RGB, |
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237 | GL_UNSIGNED_BYTE, |
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238 | data); |
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239 | glBindTexture(GL_TEXTURE_2D, 0); |
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240 | |
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241 | } |
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242 | else |
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243 | { |
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244 | av_free_packet(&packet); |
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245 | this->getNextFrame(); |
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246 | } |
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247 | } |
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248 | else |
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249 | { |
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250 | av_free_packet(&packet); |
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251 | this->getNextFrame(); |
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252 | } |
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253 | } |
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254 | else |
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255 | this->stop(); |
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256 | } |
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257 | |
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258 | void MoviePlayer::skipFrame(int frames) |
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259 | { |
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260 | |
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261 | while(frames != 0) |
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262 | { |
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263 | if(av_read_frame(format_context, &packet) < 0) |
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264 | break; |
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265 | if(packet.stream_index == video_stream) |
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266 | { |
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267 | int frame_finished; |
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268 | // We have to decode the frame to not get ugly fragments |
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269 | avcodec_decode_video(codec_context, frame, &frame_finished, |
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270 | packet.data, packet.size); |
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271 | |
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272 | // Did we get a video frame? |
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273 | if(frame_finished) |
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274 | { |
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275 | frames--; |
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276 | frame_number++; |
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277 | } |
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278 | } |
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279 | av_free_packet(&packet); |
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280 | } |
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281 | |
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282 | this->getNextFrame(); |
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283 | |
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284 | } |
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285 | |
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286 | void MoviePlayer::gotoFrame(int frames) |
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287 | { |
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288 | // seek doesnt work for the first two frames |
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289 | // you will get ugly fragments |
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290 | if(frames < 2) |
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291 | { |
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292 | // go to the begin of the video |
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293 | av_seek_frame(format_context, video_stream, 0, AVSEEK_FLAG_BACKWARD); |
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294 | frame_number = 0; |
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295 | } |
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296 | else |
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297 | { |
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298 | // seeks to the nearest keyframe |
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299 | // NOTE: there is only about every 5s a keyframe! |
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300 | av_seek_frame(format_context, video_stream, frames, AVSEEK_FLAG_BACKWARD); |
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301 | |
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302 | // go from the keyframe to the exact position |
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303 | codec_context->hurry_up = 1; |
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304 | do { |
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305 | av_read_frame(format_context, &packet); |
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306 | if(packet.pts >= frames-1) |
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307 | break; |
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308 | int frame_finished; |
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309 | avcodec_decode_video(codec_context, frame, &frame_finished, packet.data, packet.size); |
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310 | av_free_packet(&packet); |
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311 | } while(1); |
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312 | codec_context->hurry_up = 0; |
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313 | |
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314 | frame_number = frames; |
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315 | } |
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316 | } |
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317 | |
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318 | void MoviePlayer::start(float start_time) |
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319 | { |
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320 | status = PLAY; |
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321 | timer = 0; |
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322 | |
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323 | this->gotoFrame(start_time * fps); |
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324 | |
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325 | PRINTF(0)("start\n"); |
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326 | } |
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327 | |
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328 | void MoviePlayer::resume() |
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329 | { |
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330 | if(status == PAUSE) |
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331 | { |
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332 | status = PLAY; |
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333 | PRINTF(0)("resume\n"); |
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334 | } |
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335 | } |
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336 | |
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337 | void MoviePlayer::pause() |
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338 | { |
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339 | if(status == PLAY) |
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340 | { |
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341 | status = PAUSE; |
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342 | PRINTF(0)("pause\n"); |
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343 | } |
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344 | } |
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345 | |
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346 | void MoviePlayer::stop() |
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347 | { |
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348 | status = STOP; |
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349 | |
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350 | PRINTF(0)("stop\n"); |
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351 | } |
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352 | |
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353 | void MoviePlayer::tick(float dt) |
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354 | { |
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355 | if(status == PLAY) |
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356 | { |
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357 | timer += dt; |
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358 | actual_frame = timer * fps * speed; |
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359 | |
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360 | if(actual_frame != frame_number) |
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361 | { |
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362 | if(actual_frame - frame_number == 1) |
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363 | this->getNextFrame(); |
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364 | else |
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365 | this->skipFrame(actual_frame - frame_number - 1); |
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366 | } |
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367 | //PRINTF(0)("frame_number: %i\n", frame_number); |
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368 | } |
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369 | } |
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370 | |
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371 | const void MoviePlayer::draw() |
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372 | { |
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373 | material->select(); |
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374 | glBindTexture(GL_TEXTURE_2D, texture); |
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375 | model->draw(); |
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376 | |
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377 | LightManager::getInstance()->draw(); |
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378 | } |
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379 | |
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380 | void MoviePlayer::setSpeed(float speed) |
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381 | { |
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382 | if(speed > 0) |
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383 | this->speed = speed; |
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384 | } |
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385 | |
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386 | float MoviePlayer::getSpeed() |
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387 | { |
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388 | return this->speed; |
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389 | } |
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390 | |
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391 | const MP_STATUS MoviePlayer::getStatus() |
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392 | { |
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393 | return this->status; |
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394 | } |
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395 | |
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396 | void MoviePlayer::printInformation() |
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397 | { |
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398 | PRINTF(0)("========================\n"); |
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399 | PRINTF(0)("========================\n"); |
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400 | PRINTF(0)("= MEDIACONTAINER =\n"); |
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401 | PRINTF(0)("========================\n"); |
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402 | PRINTF(0)("========================\n"); |
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403 | PRINTF(0)("= AVFormatContext =\n"); |
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404 | PRINTF(0)("========================\n"); |
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405 | PRINTF(0)("filename: %s\n", format_context->filename); |
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406 | PRINTF(0)("nb_streams: %i\n", format_context->nb_streams); |
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407 | PRINTF(0)("duration: (%02d:%02d:%02d)\n", duration/3600, (duration%3600)/60, duration%60); |
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408 | PRINTF(0)("file_size: %ikb\n", format_context->file_size/1024); |
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409 | PRINTF(0)("bit_rate: %ikb/s\n", format_context->bit_rate/1000); |
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410 | PRINTF(0)("nb_frames: %i\n", format_context->streams[video_stream]->nb_frames); |
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411 | PRINTF(0)("r_frame_rate: %i\n", format_context->streams[video_stream]->r_frame_rate.num); |
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412 | PRINTF(0)("fps: %0.2f\n", av_q2d(format_context->streams[video_stream]->r_frame_rate)); |
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413 | PRINTF(0)("========================\n"); |
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414 | PRINTF(0)("= AVCodecContext =\n"); |
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415 | PRINTF(0)("========================\n"); |
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416 | PRINTF(0)("width: %i\n", codec_context->width); |
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417 | PRINTF(0)("height: %i\n", codec_context->height); |
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418 | PRINTF(0)("time_base.den: %i\n", codec_context->time_base.den); |
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419 | PRINTF(0)("time_base.num: %i\n", codec_context->time_base.num); |
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420 | PRINTF(0)("========================\n"); |
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421 | PRINTF(0)("= AVCodec =\n"); |
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422 | PRINTF(0)("========================\n"); |
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423 | PRINTF(0)("codec name: %s\n", codec->name); |
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424 | PRINTF(0)("========================\n"); |
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425 | PRINTF(0)("========================\n"); |
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426 | } |
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