1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2004--2007, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/session/phone/codec.h" 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include <sstream> 30f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace cricket { 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstatic const int kMaxStaticPayloadId = 95; 34f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 353345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickbool AudioCodec::Matches(int payload, const std::string& nm) const { 36731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // Match the codec id/name based on the typical static/dynamic name rules. 37731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick return (payload <= kMaxStaticPayloadId) ? (id == payload) : (name == nm); 38731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick} 39731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick 40731df977c0511bca2206b5f333555b1205ff1f43Iain Merrickbool AudioCodec::Matches(const AudioCodec& codec) const { 41731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // If a nonzero clockrate is specified, it must match the actual clockrate. 42731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // If a nonzero bitrate is specified, it must match the actual bitrate, 43731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // unless the codec is VBR (-1), where we just force the supplied value. 44731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // The number of channels must match exactly. 45731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // Preference is ignored. 46731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // TODO: Treat a zero clockrate as 8000Hz, the RTP default clockrate. 47731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick return Matches(codec.id, codec.name) && 48731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick ((codec.clockrate == 0 /*&& clockrate == 8000*/) || 49731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick clockrate == codec.clockrate) && 50731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick (codec.bitrate == 0 || bitrate == -1 || bitrate == codec.bitrate) && 51731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick (codec.channels == 0 || channels == codec.channels); 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 543345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickstd::string AudioCodec::ToString() const { 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::ostringstream os; 563345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick os << "AudioCodec[" << id << ":" << name << ":" << clockrate << ":" << bitrate 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch << ":" << channels << ":" << preference << "]"; 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return os.str(); 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool VideoCodec::Matches(int payload, const std::string& nm) const { 62731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // Match the codec id/name based on the typical static/dynamic name rules. 63731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick return (payload <= kMaxStaticPayloadId) ? (id == payload) : (name == nm); 64731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick} 65731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick 66731df977c0511bca2206b5f333555b1205ff1f43Iain Merrickbool VideoCodec::Matches(const VideoCodec& codec) const { 67731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick // Only the id and name are matched. 68731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick return Matches(codec.id, codec.name); 69f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 70f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 71f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstd::string VideoCodec::ToString() const { 72f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::ostringstream os; 73f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch os << "VideoCodec[" << id << ":" << name << ":" << width << ":" << height 74f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch << ":" << framerate << ":" << preference << "]"; 75f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return os.str(); 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} // namespace cricket 79