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06d89598fa
These Coverity errors should be fixed (mostly classified as High Impact Outstanding by Coverity): 53922, 53923, 53935, 53938, 53945, 53963, 53974, 53976, 53978, 53979, 53980, 53981, 53982, 53988, 53990, 53991, 53993, 53994, 53995, 53998, 54000, 54002, 54004, 54008, 54010, 54013, 54016, 54018, 54020, 54022, 54024, 54025, 54027, 54028, 54030, 54031, 54032, 54033, 54034, 54035, 54036, 54038, 54039, 54041, 54043, 54047, 54048, 54050, 54053, 54054, 54055, 54056, 54062, 54064, 54065, 54067, 54071, 54072, 54074, 54075, 54076, 54081, 54087, 54088, 54089, 54091, 54093, 54096, 54097, 54103, 54104, 54106, 54109, 54111, 54112, 54114, 54117, 54119, 54120, 54121, 54125, 54126, 54129, 54130, 54132, 54133, 54136, 54137, 54140, 54145, 54146, 54149, 54150, 54151, 54153, 54154, 54156, 54157
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
/**
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* @file fec.cpp
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2014 CESNET z.s.p.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#endif
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#include <string>
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#include "rtp/fec.h"
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#include "rtp/ldgm.h"
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#include "rtp/rtp_callback.h"
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using namespace std;
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fec *fec::create_from_config(const char *c_str)
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{
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if (strncmp(c_str, "LDGM percents ", strlen("LDGM percents ")) == 0) {
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char *str = strdup(c_str);
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int mtu_len, data_len;
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double loss_pct;
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char *ptr = str + strlen("LDGM percents ");
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char *save_ptr, *item;
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item = strtok_r(ptr, " ", &save_ptr);
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assert (item != NULL);
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mtu_len = atoi(item);
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item = strtok_r(NULL, " ", &save_ptr);
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assert (item != NULL);
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data_len = atoi(item);
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item = strtok_r(NULL, " ", &save_ptr);
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assert (item != NULL);
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loss_pct = atof(item);
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fec *ret = new ldgm(mtu_len, data_len, loss_pct);
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free(str);
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return ret;
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} else if (strncmp(c_str, "LDGM cfg ", strlen("LDGM cfg ")) == 0) {
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return new ldgm(c_str + strlen("LDGM cfg "));
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} else {
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throw string("Unrecognized FEC configuration!");
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}
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return NULL;
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}
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fec *fec::create_from_desc(struct fec_desc desc)
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{
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switch (desc.type) {
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case FEC_LDGM:
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return new ldgm(desc.k, desc.m, desc.c, desc.seed);
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default:
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abort();
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}
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}
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int fec::pt_from_fec_type(enum fec_type type, bool encrypted) throw()
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{
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switch (type) {
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case FEC_NONE:
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return encrypted ? PT_VIDEO_LDGM : PT_VIDEO;
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case FEC_LDGM:
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return encrypted ? PT_ENCRYPT_VIDEO_LDGM : PT_VIDEO_LDGM;
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default:
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abort();
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}
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}
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enum fec_type fec::fec_type_from_pt(int pt) throw()
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{
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switch (pt) {
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case PT_VIDEO:
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case PT_ENCRYPT_VIDEO:
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return FEC_NONE;
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case PT_VIDEO_LDGM:
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case PT_ENCRYPT_VIDEO_LDGM:
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return FEC_LDGM;
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default:
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abort();
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}
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}
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int fec_pt_from_fec_type(enum fec_type type, bool encrypted)
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{
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return fec::pt_from_fec_type(type, encrypted);
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}
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