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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _JESPTRACKENCODING_H_
#define _JESPTRACKENCODING_H_
#include "signaling/src/jsep/JsepCodecDescription.h"
#include "signaling/src/common/EncodingConstraints.h"
#include "signaling/src/common/PtrVector.h"
namespace mozilla {
// Represents a single encoding of a media track. When simulcast is used, there
// may be multiple. Each encoding may have some constraints (imposed by JS), and
// may be able to use any one of multiple codecs (JsepCodecDescription) at any
// given time.
class JsepTrackEncoding
{
public:
const std::vector<JsepCodecDescription*>& GetCodecs() const
{
return mCodecs.values;
}
void AddCodec(const JsepCodecDescription& codec)
{
mCodecs.values.push_back(codec.Clone());
}
bool HasFormat(const std::string& format) const
{
for (const JsepCodecDescription* codec : mCodecs.values) {
if (codec->mDefaultPt == format) {
return true;
}
}
return false;
}
void UpdateMaxBitrate(const SdpMediaSection& remote)
{
uint32_t tias = remote.GetBandwidth("TIAS");
// select minimum of the two which is not zero
mConstraints.maxBr = std::min(tias ? tias : mConstraints.maxBr,
mConstraints.maxBr ? mConstraints.maxBr :
tias);
// TODO add support for b=AS if TIAS is not set (bug 976521)
}
EncodingConstraints mConstraints;
std::string mRid;
private:
PtrVector<JsepCodecDescription> mCodecs;
};
}
#endif // _JESPTRACKENCODING_H_
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