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MediaBuffer.cpp
Package: VC++视频传输.rar [view]
Upload User: hxb_1234
Upload Date: 2010-03-30
Package Size: 8328k
Code Size: 1k
Category:
Visual C++ Books
Development Platform:
Visual C++
- #include "MediaBuffer.h"
- #include <stdio.h>
- MediaBuffer::MediaBuffer()
- {
- this->data = NULL;
- this->size = 0;
- }
- MediaBuffer::~MediaBuffer()
- {
- }
- void *MediaBuffer::GetData()
- {
- return this->data;
- }
- unsigned int MediaBuffer::GetSize()
- {
- return this->size;
- }
- MP_RESULT MediaBuffer::Alloc(int size)
- {
- unsigned int size_local;
- if(this->data)
- return MP_RESULT_ERROR;
- this->size = size;
- if(this->data != NULL) {
- free(this->data);
- }
- this->data = (void *) new char[size];
- if(this->data != NULL) {
- memset(this->GetData(), 0, this->GetSize());
- }
- else {
- return MP_RESULT_ERROR;
- }
- return MP_RESULT_OK;
- }
- MP_RESULT MediaBuffer::ReAlloc(int size)
- {
- if(!this->data)
- return MP_RESULT_ERROR;
- this->data = realloc(this->data, size);
- this->size = size;
- return MP_RESULT_OK;
- }
- MP_RESULT MediaBuffer::Free()
- {
- if(this->data)
- free(this->data);
- this->data = NULL;
- return MP_RESULT_OK;
- }