1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "media/base/fake_text_track_stream.h" 6 7 #include "base/bind.h" 8 #include "base/callback_helpers.h" 9 #include "media/base/decoder_buffer.h" 10 #include "media/filters/webvtt_util.h" 11 12 namespace media { 13 14 FakeTextTrackStream::FakeTextTrackStream() 15 : task_runner_(base::MessageLoopProxy::current()), 16 stopping_(false) { 17 } 18 19 FakeTextTrackStream::~FakeTextTrackStream() { 20 DCHECK(read_cb_.is_null()); 21 } 22 23 void FakeTextTrackStream::Read(const ReadCB& read_cb) { 24 DCHECK(!read_cb.is_null()); 25 DCHECK(read_cb_.is_null()); 26 OnRead(); 27 read_cb_ = read_cb; 28 29 if (stopping_) { 30 task_runner_->PostTask(FROM_HERE, base::Bind( 31 &FakeTextTrackStream::AbortPendingRead, base::Unretained(this))); 32 } 33 } 34 35 DemuxerStream::Type FakeTextTrackStream::type() { 36 return DemuxerStream::TEXT; 37 } 38 39 bool FakeTextTrackStream::SupportsConfigChanges() { return false; } 40 41 void FakeTextTrackStream::SatisfyPendingRead( 42 const base::TimeDelta& start, 43 const base::TimeDelta& duration, 44 const std::string& id, 45 const std::string& content, 46 const std::string& settings) { 47 DCHECK(!read_cb_.is_null()); 48 49 const uint8* const data_buf = reinterpret_cast<const uint8*>(content.data()); 50 const int data_len = static_cast<int>(content.size()); 51 52 std::vector<uint8> side_data; 53 MakeSideData(id.begin(), id.end(), 54 settings.begin(), settings.end(), 55 &side_data); 56 57 const uint8* const sd_buf = &side_data[0]; 58 const int sd_len = static_cast<int>(side_data.size()); 59 60 scoped_refptr<DecoderBuffer> buffer; 61 buffer = DecoderBuffer::CopyFrom(data_buf, data_len, sd_buf, sd_len); 62 63 buffer->set_timestamp(start); 64 buffer->set_duration(duration); 65 66 base::ResetAndReturn(&read_cb_).Run(kOk, buffer); 67 } 68 69 void FakeTextTrackStream::AbortPendingRead() { 70 DCHECK(!read_cb_.is_null()); 71 base::ResetAndReturn(&read_cb_).Run(kAborted, NULL); 72 } 73 74 void FakeTextTrackStream::SendEosNotification() { 75 DCHECK(!read_cb_.is_null()); 76 base::ResetAndReturn(&read_cb_).Run(kOk, DecoderBuffer::CreateEOSBuffer()); 77 } 78 79 void FakeTextTrackStream::Stop() { 80 stopping_ = true; 81 if (!read_cb_.is_null()) 82 AbortPendingRead(); 83 } 84 85 } // namespace media 86
