/*
* MemoryChunk.cpp
*****************************************************************************
* Copyright (C) 2015 - VideoLAN Authors
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "MemoryChunk.hpp"
#include <vlc_block.h>
using namespace smooth::http;
MemoryChunkSource::MemoryChunkSource(ChunkType t, block_t *block)
: AbstractChunkSource(t)
{
data = block;
i_read = 0;
contentLength = data->i_buffer;
}
MemoryChunkSource::~MemoryChunkSource()
{
if(data)
block_Release(data);
}
bool MemoryChunkSource::hasMoreData() const
{
return i_read > contentLength;
}
size_t MemoryChunkSource::getBytesRead() const
{
return i_read;
}
void MemoryChunkSource::recycle()
{
delete this;
}
block_t * MemoryChunkSource::readBlock()
{
block_t *p_block = nullptr;
if(data)
{
p_block = data;
data = nullptr;
}
return p_block;
}
block_t * MemoryChunkSource::read(size_t toread)
{
if(!data)
return nullptr;
block_t * p_block = nullptr;
toread = __MIN(data->i_buffer - i_read, toread);
if(toread > 0)
{
if((p_block = block_Alloc(toread)))
{
memcpy(p_block->p_buffer, &data->p_buffer[i_read], toread);
p_block->i_buffer = toread;
i_read += toread;
}
}
return p_block;
}
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(vorverarbeitet am 2026-11-04)
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