Line data    Source code

       1             : /*
       2             :  *  Copyright (C) 2004-2024 Savoir-faire Linux Inc.
       3             :  *
       4             :  *  This program is free software: you can redistribute it and/or modify
       5             :  *  it under the terms of the GNU General Public License as published by
       6             :  *  the Free Software Foundation, either version 3 of the License, or
       7             :  *  (at your option) any later version.
       8             :  *
       9             :  *  This program is distributed in the hope that it will be useful,
      10             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12             :  *  GNU General Public License for more details.
      13             :  *
      14             :  *  You should have received a copy of the GNU General Public License
      15             :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "libav_deps.h" // MUST BE INCLUDED FIRST
      19             : #include "media_io_handle.h"
      20             : 
      21             : namespace jami {
      22             : 
      23        1012 : MediaIOHandle::MediaIOHandle(std::size_t buffer_size,
      24             :                              bool writeable,
      25             :                              io_readcallback read_cb,
      26             :                              io_writecallback write_cb,
      27             :                              io_seekcallback seek_cb,
      28        1012 :                              void* opaque)
      29        1012 :     : ctx_(0)
      30             : 
      31             : {
      32             :     /* FFmpeg doesn't alloc the buffer for the first time, but it does free and
      33             :      * alloc it afterwards.
      34             :      * Don't directly use malloc because av_malloc is optimized for memory alignment.
      35             :      */
      36        1012 :     auto buf = static_cast<uint8_t*>(av_malloc(buffer_size));
      37        1012 :     ctx_ = avio_alloc_context(buf, buffer_size, writeable, opaque, read_cb, write_cb, seek_cb);
      38        1012 :     ctx_->max_packet_size = buffer_size;
      39        1012 : }
      40             : 
      41        1012 : MediaIOHandle::~MediaIOHandle()
      42             : {
      43        1012 :     av_free(ctx_->buffer);
      44        1012 :     av_free(ctx_);
      45        1012 : }
      46             : 
      47             : } // namespace jami