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|
/*****************************************************************
|
| AP4 - Tracks Test
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include "Ap4.h"
/*----------------------------------------------------------------------
| macros
+---------------------------------------------------------------------*/
#define CHECK(x) do { \
if (!(x)) { fprintf(stderr, "ERROR line %d", __LINE__); return -1; }\
} while (0)
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
#define BANNER "Tracks Test - Version 1.0\n"\
"(Bento4 Version " AP4_VERSION_STRING ")\n"\
"(c) 2002-2008 Axiomatic Systems, LLC"
/*----------------------------------------------------------------------
| PrintUsageAndExit
+---------------------------------------------------------------------*/
static void
PrintUsageAndExit()
{
fprintf(stderr,
BANNER
"\n\nusage: trackstest <path-to-file-test-002.mp4>\n");
exit(1);
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
if (argc != 2) {
PrintUsageAndExit();
}
const char* input_filename = argv[1];
// open the input
AP4_ByteStream* input = NULL;
AP4_Result result = AP4_FileByteStream::Create(input_filename, AP4_FileByteStream::STREAM_MODE_READ, input);
if (AP4_FAILED(result)) {
fprintf(stderr, "ERROR: cannot open input file (%s)\n", input_filename);
return 1;
}
// get the movie
AP4_File* file = new AP4_File(*input);
AP4_Movie* movie = file->GetMovie();
CHECK(movie != NULL);
AP4_Track* video_track = movie->GetTrack(AP4_Track::TYPE_VIDEO);
CHECK(video_track != NULL);
AP4_Ordinal index;
index = video_track->GetNearestSyncSampleIndex(0, true);
CHECK(index == 0);
index = video_track->GetNearestSyncSampleIndex(0, false);
CHECK(index == 0);
index = video_track->GetNearestSyncSampleIndex(1, true);
CHECK(index == 0);
index = video_track->GetNearestSyncSampleIndex(1, false);
CHECK(index == 12);
index = video_track->GetNearestSyncSampleIndex(52, true);
CHECK(index == 48);
index = video_track->GetNearestSyncSampleIndex(52, false);
CHECK(index == video_track->GetSampleCount());
// cleanup
delete file;
input->Release();
return 0;
}
|
