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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cast/streaming/rtp_defines.h"
#include "util/osp_logging.h"
namespace openscreen {
namespace cast {
RtpPayloadType GetPayloadType(AudioCodec codec, bool use_android_rtp_hack) {
if (use_android_rtp_hack) {
return codec == AudioCodec::kNotSpecified
? RtpPayloadType::kAudioVarious
: RtpPayloadType::kAudioHackForAndroidTV;
}
switch (codec) {
case AudioCodec::kAac:
return RtpPayloadType::kAudioAac;
case AudioCodec::kOpus:
return RtpPayloadType::kAudioOpus;
case AudioCodec::kNotSpecified:
return RtpPayloadType::kAudioVarious;
default:
OSP_NOTREACHED();
}
}
RtpPayloadType GetPayloadType(VideoCodec codec, bool use_android_rtp_hack) {
if (use_android_rtp_hack) {
return codec == VideoCodec::kNotSpecified
? RtpPayloadType::kVideoVarious
: RtpPayloadType::kVideoHackForAndroidTV;
}
switch (codec) {
// VP8 and VP9 share the same payload type.
case VideoCodec::kVp9:
case VideoCodec::kVp8:
return RtpPayloadType::kVideoVp8;
// H264 and HEVC/H265 share the same payload type.
case VideoCodec::kHevc: // fallthrough
case VideoCodec::kH264:
return RtpPayloadType::kVideoH264;
case VideoCodec::kAv1:
return RtpPayloadType::kVideoAv1;
case VideoCodec::kNotSpecified:
return RtpPayloadType::kVideoVarious;
default:
OSP_NOTREACHED();
}
}
bool IsRtpPayloadType(uint8_t raw_byte) {
switch (static_cast<RtpPayloadType>(raw_byte)) {
case RtpPayloadType::kAudioOpus:
case RtpPayloadType::kAudioAac:
case RtpPayloadType::kAudioPcm16:
case RtpPayloadType::kAudioVarious:
case RtpPayloadType::kVideoVp8:
case RtpPayloadType::kVideoH264:
case RtpPayloadType::kVideoVp9:
case RtpPayloadType::kVideoAv1:
case RtpPayloadType::kVideoVarious:
case RtpPayloadType::kAudioHackForAndroidTV:
// Note: RtpPayloadType::kVideoHackForAndroidTV has the same value as
// kAudioOpus.
return true;
case RtpPayloadType::kNull:
break;
}
return false;
}
bool IsRtcpPacketType(uint8_t raw_byte) {
switch (static_cast<RtcpPacketType>(raw_byte)) {
case RtcpPacketType::kSenderReport:
case RtcpPacketType::kReceiverReport:
case RtcpPacketType::kSourceDescription:
case RtcpPacketType::kApplicationDefined:
case RtcpPacketType::kPayloadSpecific:
case RtcpPacketType::kExtendedReports:
return true;
case RtcpPacketType::kNull:
break;
}
return false;
}
} // namespace cast
} // namespace openscreen
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