本文整理汇总了C++中AP4_Sample::GetOffset方法的典型用法代码示例。如果您正苦于以下问题：C++ AP4_Sample::GetOffset方法的具体用法？C++ AP4_Sample::GetOffset怎么用？C++ AP4_Sample::GetOffset使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AP4_Sample的用法示例。
在下文中一共展示了AP4_Sample::GetOffset方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GetSampleDescription
/*----------------------------------------------------------------------
| AP4_Track::Clone
+---------------------------------------------------------------------*/
AP4_Track*
AP4_Track::Clone(AP4_Result* result)
{
AP4_SyntheticSampleTable* sample_table = new AP4_SyntheticSampleTable();
// default return value
if (result) *result = AP4_SUCCESS;
// add clones of the sample descriptions to the new sample table
for (unsigned int i=0; ;i++) {
AP4_SampleDescription* sample_description = GetSampleDescription(i);
if (sample_description == NULL) break;
sample_table->AddSampleDescription(sample_description->Clone());
}
AP4_Sample sample;
AP4_Ordinal index = 0;
while (AP4_SUCCEEDED(GetSample(index, sample))) {
AP4_ByteStream* data_stream;
data_stream = sample.GetDataStream();
sample_table->AddSample(*data_stream,
sample.GetOffset(),
sample.GetSize(),
sample.GetDuration(),
sample.GetDescriptionIndex(),
sample.GetDts(),
sample.GetCtsDelta(),
sample.IsSync());
AP4_RELEASE(data_stream); // release our ref, the table has kept its own ref.
index++;
}
// create the cloned track
AP4_Track* clone = new AP4_Track(GetType(),
sample_table,
GetId(),
GetMovieTimeScale(),
GetDuration(),
GetMediaTimeScale(),
GetMediaDuration(),
GetTrackLanguage(),
GetWidth(),
GetHeight());
return clone;
}示例2: printf
/*----------------------------------------------------------------------
| ShowSample
+---------------------------------------------------------------------*/
static void
ShowSample(AP4_Sample& sample, unsigned int index, AP4_SampleDecrypter* sample_decrypter)
{
printf("[%06d] size=%6d duration=%6d",
index,
(int)sample.GetSize(),
(int)sample.GetDuration());
printf(" offset=%10lld dts=%10lld cts=%10lld ",
sample.GetOffset(),
sample.GetDts(),
sample.GetCts());
if (sample.IsSync()) {
printf(" [S] ");
} else {
printf(" ");
}
AP4_DataBuffer sample_data;
sample.ReadData(sample_data);
AP4_DataBuffer* data = &sample_data;
AP4_DataBuffer decrypted_sample_data;
if (sample_decrypter) {
sample_decrypter->DecryptSampleData(sample_data, decrypted_sample_data);
data = & decrypted_sample_data;
}
unsigned int show = data->GetDataSize();
if (show > 12) show = 12; // max first 12 chars
for (unsigned int i=0; i<show; i++) {
printf("%02x", data->GetData()[i]);
}
if (show == data->GetDataSize()) {
printf("\n");
} else {
printf("...\n");
}
}