media_io_handle.cpp

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/*
 *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
 *
 *  This program 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 3 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "libav_deps.h" // MUST BE INCLUDED FIRST
#include "media_io_handle.h"
 
namespace jami {
 
MediaIOHandle::MediaIOHandle(std::size_t buffer_size,
                             bool writeable,
                             io_readcallback read_cb,
                             io_writecallback write_cb,
                             io_seekcallback seek_cb,
                             void* opaque)
    : ctx_(0)
 
{
    /* FFmpeg doesn't alloc the buffer for the first time, but it does free and
     * alloc it afterwards.
     * Don't directly use malloc because av_malloc is optimized for memory alignment.
     */
    auto buf = static_cast<uint8_t*>(av_malloc(buffer_size));
    ctx_ = avio_alloc_context(buf, buffer_size, writeable, opaque, read_cb, write_cb, seek_cb);
    ctx_->max_packet_size = buffer_size;
}
 
MediaIOHandle::~MediaIOHandle()
{
    av_free(ctx_->buffer);
    av_free(ctx_);
}
 
} // namespace jami