8c745d18e0
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Builds out the full v1 scope: a vendored+patched openscreen subset for low-latency Cast Streaming (Mirroring receiver 0F5096E8) alongside the existing Cast V2/HLS and new DLNA/AVTransport casting paths, breadcastd's Idle/Casting state machine with a private IPC socket, the breadcast GTK4 popup as a thin IPC client, and bread.cast.*/bread.command.cast.* breadd integration (device discovery, start/stop, mirroring lifecycle events). Also adds bakery/systemd/Forgejo CI packaging. Validated end-to-end against a real Chromecast/Google TV: negotiated Cast Streaming session, live pipeline playback, and daemon+GUI click-to-cast/ stop through the actual popup.
113 lines
3 KiB
C++
113 lines
3 KiB
C++
// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "cast/streaming/impl/rtp_defines.h"
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#include "util/osp_logging.h"
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namespace openscreen::cast {
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RtpPayloadType GetPayloadType(AudioCodec codec, bool use_android_rtp_hack) {
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if (use_android_rtp_hack) {
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return RtpPayloadType::kAudioHackForAndroidTV;
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}
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switch (codec) {
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case AudioCodec::kAac:
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return RtpPayloadType::kAudioAac;
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case AudioCodec::kOpus:
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return RtpPayloadType::kAudioOpus;
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case AudioCodec::kNotSpecified:
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return RtpPayloadType::kAudioVarious;
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default:
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OSP_NOTREACHED();
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}
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}
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RtpPayloadType GetPayloadType(VideoCodec codec, bool use_android_rtp_hack) {
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if (use_android_rtp_hack) {
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return RtpPayloadType::kVideoHackForAndroidTV;
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}
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switch (codec) {
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// VP8 and VP9 share the same payload type.
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case VideoCodec::kVp9:
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case VideoCodec::kVp8:
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return RtpPayloadType::kVideoVp8;
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// H264 and HEVC/H265 share the same payload type.
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case VideoCodec::kHevc: // fallthrough
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case VideoCodec::kH264:
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return RtpPayloadType::kVideoH264;
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case VideoCodec::kAv1:
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return RtpPayloadType::kVideoAv1;
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case VideoCodec::kNotSpecified:
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return RtpPayloadType::kVideoVarious;
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default:
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OSP_NOTREACHED();
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}
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}
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StreamType ToStreamType(RtpPayloadType type, bool use_android_rtp_hack) {
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if (use_android_rtp_hack) {
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if (type == RtpPayloadType::kAudioHackForAndroidTV) {
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return StreamType::kAudio;
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}
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if (type == RtpPayloadType::kVideoHackForAndroidTV) {
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return StreamType::kVideo;
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}
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}
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if (RtpPayloadType::kAudioFirst <= type &&
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type <= RtpPayloadType::kAudioLast) {
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return StreamType::kAudio;
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}
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if (RtpPayloadType::kVideoFirst <= type &&
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type <= RtpPayloadType::kVideoLast) {
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return StreamType::kVideo;
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}
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return StreamType::kUnknown;
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}
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bool IsRtpPayloadType(uint8_t raw_byte) {
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switch (static_cast<RtpPayloadType>(raw_byte)) {
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case RtpPayloadType::kAudioOpus:
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case RtpPayloadType::kAudioAac:
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case RtpPayloadType::kAudioPcm16:
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case RtpPayloadType::kAudioVarious:
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case RtpPayloadType::kVideoVp8:
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case RtpPayloadType::kVideoH264:
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case RtpPayloadType::kVideoVp9:
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case RtpPayloadType::kVideoAv1:
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case RtpPayloadType::kVideoVarious:
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case RtpPayloadType::kAudioHackForAndroidTV:
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// Note: RtpPayloadType::kVideoHackForAndroidTV has the same value as
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// kAudioOpus.
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return true;
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case RtpPayloadType::kNull:
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break;
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}
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return false;
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}
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bool IsRtcpPacketType(uint8_t raw_byte) {
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switch (static_cast<RtcpPacketType>(raw_byte)) {
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case RtcpPacketType::kSenderReport:
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case RtcpPacketType::kReceiverReport:
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case RtcpPacketType::kSourceDescription:
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case RtcpPacketType::kApplicationDefined:
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case RtcpPacketType::kPayloadSpecific:
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case RtcpPacketType::kExtendedReports:
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return true;
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case RtcpPacketType::kNull:
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break;
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}
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return false;
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}
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} // namespace openscreen::cast
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