libmkv/testlibmkv.c

   1 // Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   2 //
   3 // Use of this source code is governed by a BSD-style license
   4 // that can be found in the LICENSE file in the root of the source
   5 // tree. An additional intellectual property rights grant can be found
   6 // in the file PATENTS.  All contributing project authors may
   7 // be found in the AUTHORS file in the root of the source tree.
   8
   9
  10
  11 #include "EbmlIDs.h"
  12 #include "EbmlBufferWriter.h"
  13 #include "WebMElement.h"
  14
  15 #include <stdio.h>
  16 int main(int argc, char *argv[])
  17 {
  18     //init the datatype we're using for ebml output
  19     unsigned char data[8192];
  20     EbmlGlobal ebml;
  21     ebml.buf = data;
  22     ebml.offset = 0;
  23     ebml.length = 8192;
  24
  25     writeHeader(&ebml);
  26     {
  27         EbmlLoc startSegment;
  28         Ebml_StartSubElement(&ebml, &startSegment, Segment); //segment
  29         {
  30             //segment info
  31             EbmlLoc startInfo;
  32             Ebml_StartSubElement(&ebml, &startInfo, Info);
  33             Ebml_SerializeString(&ebml, 0x4D80, "muxingAppLibMkv");
  34             Ebml_SerializeString(&ebml, 0x5741, "writingAppLibMkv");
  35             Ebml_EndSubElement(&ebml, &startInfo);
  36         }
  37
  38         {
  39             EbmlLoc trackStart;
  40             Ebml_StartSubElement(&ebml, &trackStart, Tracks);
  41             writeVideoTrack(&ebml, 1, 1, "V_MS/VFW/FOURCC", 320, 240, 29.97);
  42             //writeAudioTrack(&ebml,2,1, "A_VORBIS", 32000, 1, NULL, 0);
  43             Ebml_EndSubElement(&ebml, &trackStart);
  44         }
  45
  46         {
  47             EbmlLoc clusterStart;
  48             Ebml_StartSubElement(&ebml, &clusterStart, Cluster); //cluster
  49             Ebml_SerializeUnsigned(&ebml, Timecode, 0);
  50
  51             unsigned char someData[4] = {1, 2, 3, 4};
  52             writeSimpleBlock(&ebml, 1, 0, 1, 0, 0, someData, 4);
  53             Ebml_EndSubElement(&ebml, &clusterStart);
  54         }    //end cluster
  55         Ebml_EndSubElement(&ebml, &startSegment);
  56     }
  57
  58     //dump ebml stuff to the file
  59     FILE *file_out = fopen("test.mkv", "wb");
  60     size_t bytesWritten = fwrite(data, 1, ebml.offset, file_out);
  61     fclose(file_out);
  62     return 0;
  63 }