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|
/*****************************************************************
|
| AP4 - Basic 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"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
#define BANNER "Basic Test - Version 1.0\n"\
"(Bento4 Version " AP4_VERSION_STRING ")\n"\
"(c) 2002-2009 Axiomatic Systems, LLC"
/*----------------------------------------------------------------------
| PrintUsageAndExit
+---------------------------------------------------------------------*/
static void
PrintUsageAndExit()
{
fprintf(stderr,
BANNER
"\n\nusage: basictest [options] <input> <output>\n");
exit(1);
}
/*----------------------------------------------------------------------
| SampleDescriptionCloneTest
+---------------------------------------------------------------------*/
static bool
SampleDescriptionCloneTest(AP4_File* file)
{
AP4_Track* track = file->GetMovie()->GetTrack(AP4_Track::TYPE_VIDEO);
AP4_SampleDescription* sdesc = track->GetSampleDescription(0);
if (sdesc) {
AP4_SampleDescription* clone = sdesc->Clone();
if (clone == NULL) return false;
if (clone->GetFormat() != sdesc->GetFormat()) return false;
}
AP4_ProtectedSampleDescription* psdesc = AP4_DYNAMIC_CAST(AP4_ProtectedSampleDescription, sdesc);
if (psdesc) {
AP4_SampleDescription* clone = psdesc->Clone();
AP4_ProtectedSampleDescription* pclone = AP4_DYNAMIC_CAST(AP4_ProtectedSampleDescription, clone);
if (pclone == NULL) return false;
if (pclone->GetFormat() != psdesc->GetFormat()) return false;
if (pclone->GetOriginalFormat() != psdesc->GetOriginalFormat()) return false;
}
return true;
}
/*----------------------------------------------------------------------
| AtomCloneTest
+---------------------------------------------------------------------*/
static bool
AtomCloneTest(AP4_Atom* atom, unsigned int depth)
{
for (unsigned int i=0l; i<depth; i++) {
printf(" ");
}
char str[5];
AP4_FormatFourCharsPrintable(str, atom->GetType());
str[4] = 0;
printf("+%s\n", str);
AP4_ContainerAtom* container = AP4_DYNAMIC_CAST(AP4_ContainerAtom, atom);
if (container) {
AP4_List<AP4_Atom>& children = container->GetChildren();
AP4_List<AP4_Atom>::Item* child = children.FirstItem();
while (child) {
AtomCloneTest(child->GetData(), depth+1);
child = child->GetNext();
}
} else {
AP4_Atom* clone = atom->Clone();
if (clone == NULL) {
fprintf(stderr, "ERROR: clone is NULL\n");
return false;
}
if (clone->GetSize() != atom->GetSize()) {
fprintf(stderr, "ERROR: clone.GetSize() [%lld] != atom->GetSize() [%lld]\n", clone->GetSize(), atom->GetSize());
return false;
}
AP4_MemoryByteStream* mbs = new AP4_MemoryByteStream();
clone->Write(*mbs);
if (mbs->GetDataSize() != clone->GetSize()) {
fprintf(stderr, "ERROR: serialized size [%d] != atom size [%lld]\n", mbs->GetDataSize(), clone->GetSize());
return false;
}
mbs->Release();
}
return true;
}
/*----------------------------------------------------------------------
| AtomCloneTest
+---------------------------------------------------------------------*/
static bool
AtomCloneTest(AP4_ByteStream* input)
{
AP4_DefaultAtomFactory factory;
AP4_Result result;
do {
AP4_Atom* atom = NULL;
result = factory.CreateAtomFromStream(*input, atom);
if (AP4_SUCCEEDED(result)) {
AtomCloneTest(atom, 0);
}
} while (AP4_SUCCEEDED(result));
return true;
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
if (argc != 3) {
PrintUsageAndExit();
}
const char* input_filename = argv[1];
const char* output_filename = argv[2];
// open the input
AP4_ByteStream* input = NULL;
try {
input = new AP4_FileByteStream(input_filename,
AP4_FileByteStream::STREAM_MODE_READ);
} catch (AP4_Exception) {
fprintf(stderr, "ERROR: cannot open input file (%s)\n", input_filename);
return 1;
}
bool result = AtomCloneTest(input);
if (!result) {
fprintf(stderr, "SampleDescriptionCloneTest failed\n");
}
input->Seek(0);
// open the output
AP4_ByteStream* output = new AP4_FileByteStream(
output_filename,
AP4_FileByteStream::STREAM_MODE_WRITE);
// parse the file
AP4_File* mp4_file = new AP4_File(*input);
result = SampleDescriptionCloneTest(mp4_file);
if (!result) {
fprintf(stderr, "SampleDescriptionCloneTest failed\n");
}
// write the file to the output
AP4_FileWriter::Write(*mp4_file, *output);
// cleanup
delete mp4_file;
input->Release();
output->Release();
return 0;
}
|
