[5937] | 1 | /* |
---|
| 2 | orxonox - the future of 3D-vertical-scrollers |
---|
| 3 | |
---|
| 4 | Copyright (C) 2004 orx |
---|
| 5 | |
---|
| 6 | This program is free software; you can redistribute it and/or modify |
---|
| 7 | it under the terms of the GNU General Public License as published by |
---|
| 8 | the Free Software Foundation; either version 2, or (at your option) |
---|
| 9 | any later version. |
---|
| 10 | |
---|
| 11 | ### File Specific: |
---|
| 12 | main-programmer: David Hasenfratz, Stephan Lienhard |
---|
| 13 | co-programmer: |
---|
| 14 | */ |
---|
| 15 | |
---|
| 16 | |
---|
| 17 | |
---|
| 18 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_MEDIA module |
---|
| 19 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
---|
| 20 | */ |
---|
| 21 | #define DEBUG_MODULE_MEDIA |
---|
| 22 | |
---|
| 23 | |
---|
| 24 | /* include your own header */ |
---|
| 25 | #include "media_container.h" |
---|
| 26 | |
---|
| 27 | /* header for debug output */ |
---|
| 28 | #include "debug.h" |
---|
| 29 | |
---|
| 30 | |
---|
| 31 | /** |
---|
| 32 | * Default constructor |
---|
| 33 | */ |
---|
[5939] | 34 | MediaContainer::MediaContainer(const char* filename) |
---|
[5937] | 35 | { |
---|
[5975] | 36 | /* set the class id for the base object */ |
---|
| 37 | this->setClassID(CL_MEDIA_CONTAINER, "MediaContainer"); |
---|
| 38 | |
---|
[5962] | 39 | /* register all formats and codecs */ |
---|
| 40 | av_register_all(); |
---|
[5937] | 41 | |
---|
[6003] | 42 | current_frame = 0; |
---|
| 43 | num_frames = 0; |
---|
| 44 | |
---|
[5975] | 45 | if (filename != NULL) |
---|
[5962] | 46 | this->loadMedia(filename); |
---|
| 47 | |
---|
[5937] | 48 | } |
---|
| 49 | |
---|
| 50 | /** |
---|
| 51 | * Default destructor |
---|
| 52 | */ |
---|
| 53 | MediaContainer::~MediaContainer() |
---|
| 54 | { |
---|
[6003] | 55 | //av_free(pFrameRGB); |
---|
[5937] | 56 | |
---|
[6003] | 57 | /* Free the frame */ |
---|
| 58 | av_free(frame); |
---|
| 59 | |
---|
| 60 | /* Close the codec */ |
---|
| 61 | avcodec_close(codec_context); |
---|
| 62 | |
---|
| 63 | /* Close the video file */ |
---|
| 64 | av_close_input_file(format_context); |
---|
| 65 | |
---|
[5937] | 66 | } |
---|
| 67 | |
---|
[6003] | 68 | /*GLuint MediaContainer::getFrame(int frame_number) |
---|
[5937] | 69 | { |
---|
| 70 | |
---|
| 71 | } |
---|
| 72 | |
---|
| 73 | GLuint MediaContainer::getNextFrame() |
---|
| 74 | { |
---|
| 75 | |
---|
[6003] | 76 | }*/ |
---|
| 77 | |
---|
| 78 | SDL_Surface* MediaContainer::getFrame(int frame_number) |
---|
| 79 | { |
---|
| 80 | SDL_Surface* frame; |
---|
| 81 | |
---|
| 82 | |
---|
| 83 | return frame; |
---|
[5937] | 84 | } |
---|
| 85 | |
---|
[6003] | 86 | SDL_Surface* MediaContainer::getNextFrame() |
---|
| 87 | { |
---|
| 88 | current_frame++; |
---|
| 89 | return this->getFrame(current_frame); |
---|
| 90 | } |
---|
| 91 | |
---|
[5975] | 92 | void MediaContainer::loadMedia(const char* filename) |
---|
[5937] | 93 | { |
---|
[5975] | 94 | /* Open video file */ |
---|
| 95 | if (av_open_input_file(&format_context, filename, NULL, 0, NULL) !=0 ) |
---|
| 96 | PRINTF(1)("Could not open %s\n", filename); |
---|
[5937] | 97 | |
---|
[6003] | 98 | /* Retrieve stream information */ |
---|
| 99 | if (av_find_stream_info(format_context) < 0) |
---|
| 100 | PRINTF(1)("Could not find stream information in %s\n", filename); |
---|
| 101 | |
---|
| 102 | // Dump information about file onto standard error |
---|
| 103 | //dump_format(pFormatCtx, 0, argv[1], false); |
---|
| 104 | |
---|
| 105 | /* Find the first video stream and take it */ |
---|
| 106 | video_stream = -1; |
---|
| 107 | for(int i = 0; i < format_context->nb_streams; i++) |
---|
| 108 | { |
---|
| 109 | // NOTE: different code for the 0.4.9-pre1 release of ffmpeg (tardis) |
---|
| 110 | // if(format_context->streams[i]->codec.codec_type == CODEC_TYPE_VIDEO) |
---|
| 111 | if(format_context->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) |
---|
| 112 | { |
---|
| 113 | video_stream = i; |
---|
| 114 | break; |
---|
| 115 | } |
---|
| 116 | } |
---|
| 117 | |
---|
| 118 | if(video_stream == -1) |
---|
| 119 | PRINTF(1)("Could not find a video stream in %s\n", filename); |
---|
| 120 | |
---|
| 121 | /* Get a pointer to the codec context for the video stream */ |
---|
| 122 | // NOTE: different code for the 0.4.9-pre1 release of ffmpeg (tardis) |
---|
| 123 | // codec_context = &format_context->streams[video_stream]->codec; |
---|
| 124 | codec_context = format_context->streams[video_stream]->codec; |
---|
| 125 | |
---|
| 126 | /* Find the decoder for the video stream */ |
---|
| 127 | codec = avcodec_find_decoder(codec_context->codec_id); |
---|
| 128 | if (codec == NULL) |
---|
| 129 | PRINTF(1)("Could not find codec\n"); |
---|
| 130 | |
---|
| 131 | /* Open codec */ |
---|
| 132 | if (avcodec_open(codec_context, codec) < 0) |
---|
| 133 | PRINTF(1)("Could not open codec\n"); |
---|
| 134 | |
---|
| 135 | |
---|
| 136 | |
---|
[5937] | 137 | } |
---|
| 138 | |
---|
| 139 | int MediaContainer::getHeight() |
---|
| 140 | { |
---|
| 141 | |
---|
| 142 | } |
---|
| 143 | |
---|
| 144 | int MediaContainer::getWidth() |
---|
| 145 | { |
---|
| 146 | |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | int MediaContainer::getFrameRate() |
---|
| 150 | { |
---|
| 151 | |
---|
| 152 | } |
---|
| 153 | |
---|
| 154 | void MediaContainer::getStream(/* stream */) |
---|
| 155 | { |
---|
| 156 | |
---|
| 157 | } |
---|