xref: /aosp_15_r20/external/openscreen/cast/standalone_receiver/dummy_player.cc (revision 3f982cf4871df8771c9d4abe6e9a6f8d829b2736)
1*3f982cf4SFabien Sanglard // Copyright 2019 The Chromium Authors. All rights reserved.
2*3f982cf4SFabien Sanglard // Use of this source code is governed by a BSD-style license that can be
3*3f982cf4SFabien Sanglard // found in the LICENSE file.
4*3f982cf4SFabien Sanglard 
5*3f982cf4SFabien Sanglard #include "cast/standalone_receiver/dummy_player.h"
6*3f982cf4SFabien Sanglard 
7*3f982cf4SFabien Sanglard #include <chrono>
8*3f982cf4SFabien Sanglard 
9*3f982cf4SFabien Sanglard #include "absl/types/span.h"
10*3f982cf4SFabien Sanglard #include "cast/streaming/encoded_frame.h"
11*3f982cf4SFabien Sanglard #include "util/chrono_helpers.h"
12*3f982cf4SFabien Sanglard #include "util/osp_logging.h"
13*3f982cf4SFabien Sanglard 
14*3f982cf4SFabien Sanglard namespace openscreen {
15*3f982cf4SFabien Sanglard namespace cast {
16*3f982cf4SFabien Sanglard 
DummyPlayer(Receiver * receiver)17*3f982cf4SFabien Sanglard DummyPlayer::DummyPlayer(Receiver* receiver) : receiver_(receiver) {
18*3f982cf4SFabien Sanglard   OSP_DCHECK(receiver_);
19*3f982cf4SFabien Sanglard   receiver_->SetConsumer(this);
20*3f982cf4SFabien Sanglard }
21*3f982cf4SFabien Sanglard 
~DummyPlayer()22*3f982cf4SFabien Sanglard DummyPlayer::~DummyPlayer() {
23*3f982cf4SFabien Sanglard   receiver_->SetConsumer(nullptr);
24*3f982cf4SFabien Sanglard }
25*3f982cf4SFabien Sanglard 
OnFramesReady(int buffer_size)26*3f982cf4SFabien Sanglard void DummyPlayer::OnFramesReady(int buffer_size) {
27*3f982cf4SFabien Sanglard   // Consume the next frame.
28*3f982cf4SFabien Sanglard   buffer_.resize(buffer_size);
29*3f982cf4SFabien Sanglard   const EncodedFrame frame =
30*3f982cf4SFabien Sanglard       receiver_->ConsumeNextFrame(absl::Span<uint8_t>(buffer_));
31*3f982cf4SFabien Sanglard 
32*3f982cf4SFabien Sanglard   // Convert the RTP timestamp to a human-readable timestamp (in µs) and log
33*3f982cf4SFabien Sanglard   // some short information about the frame.
34*3f982cf4SFabien Sanglard   const auto media_timestamp =
35*3f982cf4SFabien Sanglard       frame.rtp_timestamp.ToTimeSinceOrigin<microseconds>(
36*3f982cf4SFabien Sanglard           receiver_->rtp_timebase());
37*3f982cf4SFabien Sanglard   OSP_LOG_INFO << "[SSRC " << receiver_->ssrc() << "] "
38*3f982cf4SFabien Sanglard                << (frame.dependency == EncodedFrame::KEY_FRAME ? "KEY " : "")
39*3f982cf4SFabien Sanglard                << frame.frame_id << " at " << media_timestamp.count() << "µs, "
40*3f982cf4SFabien Sanglard                << buffer_size << " bytes";
41*3f982cf4SFabien Sanglard }
42*3f982cf4SFabien Sanglard 
43*3f982cf4SFabien Sanglard }  // namespace cast
44*3f982cf4SFabien Sanglard }  // namespace openscreen
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