| // Copyright 2013 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 "media/base/fake_text_track_stream.h" |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "media/base/decoder_buffer.h" |
| #include "media/filters/webvtt_util.h" |
| |
| namespace media { |
| |
| FakeTextTrackStream::FakeTextTrackStream() |
| : task_runner_(base::MessageLoopProxy::current()), |
| stopping_(false) { |
| } |
| |
| FakeTextTrackStream::~FakeTextTrackStream() { |
| DCHECK(read_cb_.is_null()); |
| } |
| |
| void FakeTextTrackStream::Read(const ReadCB& read_cb) { |
| DCHECK(!read_cb.is_null()); |
| DCHECK(read_cb_.is_null()); |
| OnRead(); |
| read_cb_ = read_cb; |
| |
| if (stopping_) { |
| task_runner_->PostTask(FROM_HERE, base::Bind( |
| &FakeTextTrackStream::AbortPendingRead, base::Unretained(this))); |
| } |
| } |
| |
| DemuxerStream::Type FakeTextTrackStream::type() { |
| return DemuxerStream::TEXT; |
| } |
| |
| bool FakeTextTrackStream::SupportsConfigChanges() { return false; } |
| |
| VideoRotation FakeTextTrackStream::video_rotation() { |
| return VIDEO_ROTATION_0; |
| } |
| |
| void FakeTextTrackStream::SatisfyPendingRead( |
| const base::TimeDelta& start, |
| const base::TimeDelta& duration, |
| const std::string& id, |
| const std::string& content, |
| const std::string& settings) { |
| DCHECK(!read_cb_.is_null()); |
| |
| const uint8* const data_buf = reinterpret_cast<const uint8*>(content.data()); |
| const int data_len = static_cast<int>(content.size()); |
| |
| std::vector<uint8> side_data; |
| MakeSideData(id.begin(), id.end(), |
| settings.begin(), settings.end(), |
| &side_data); |
| |
| const uint8* const sd_buf = &side_data[0]; |
| const int sd_len = static_cast<int>(side_data.size()); |
| |
| scoped_refptr<DecoderBuffer> buffer; |
| buffer = DecoderBuffer::CopyFrom(data_buf, data_len, sd_buf, sd_len); |
| |
| buffer->set_timestamp(start); |
| buffer->set_duration(duration); |
| |
| base::ResetAndReturn(&read_cb_).Run(kOk, buffer); |
| } |
| |
| void FakeTextTrackStream::AbortPendingRead() { |
| DCHECK(!read_cb_.is_null()); |
| base::ResetAndReturn(&read_cb_).Run(kAborted, NULL); |
| } |
| |
| void FakeTextTrackStream::SendEosNotification() { |
| DCHECK(!read_cb_.is_null()); |
| base::ResetAndReturn(&read_cb_).Run(kOk, DecoderBuffer::CreateEOSBuffer()); |
| } |
| |
| void FakeTextTrackStream::Stop() { |
| stopping_ = true; |
| if (!read_cb_.is_null()) |
| AbortPendingRead(); |
| } |
| |
| } // namespace media |