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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/base/filter_host.h" | 5 #include "media/base/filter_host.h" |
6 #include "media/filters/audio_renderer_base.h" | 6 #include "media/filters/audio_renderer_base.h" |
7 | 7 |
8 namespace media { | 8 namespace media { |
9 | 9 |
10 // The maximum size of the queue, which also acts as the number of initial reads | 10 // The maximum size of the queue, which also acts as the number of initial reads |
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45 bool AudioRendererBase::Initialize(AudioDecoder* decoder) { | 45 bool AudioRendererBase::Initialize(AudioDecoder* decoder) { |
46 DCHECK(decoder); | 46 DCHECK(decoder); |
47 decoder_ = decoder; | 47 decoder_ = decoder; |
48 | 48 |
49 // Schedule our initial reads. | 49 // Schedule our initial reads. |
50 for (size_t i = 0; i < max_queue_size_; ++i) { | 50 for (size_t i = 0; i < max_queue_size_; ++i) { |
51 ScheduleRead(); | 51 ScheduleRead(); |
52 } | 52 } |
53 | 53 |
54 // Defer initialization until all scheduled reads have completed. | 54 // Defer initialization until all scheduled reads have completed. |
55 return OnInitialize(decoder_->GetMediaFormat()); | 55 return OnInitialize(decoder_->media_format()); |
56 } | 56 } |
57 | 57 |
58 void AudioRendererBase::OnAssignment(Buffer* buffer_in) { | 58 void AudioRendererBase::OnAssignment(Buffer* buffer_in) { |
59 bool initialization_complete = false; | 59 bool initialization_complete = false; |
60 { | 60 { |
61 AutoLock auto_lock(lock_); | 61 AutoLock auto_lock(lock_); |
62 if (!stopped_) { | 62 if (!stopped_) { |
63 buffer_in->AddRef(); | 63 buffer_in->AddRef(); |
64 queue_.push_back(buffer_in); | 64 queue_.push_back(buffer_in); |
65 DCHECK(queue_.size() <= max_queue_size_); | 65 DCHECK(queue_.size() <= max_queue_size_); |
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131 } | 131 } |
132 return result; | 132 return result; |
133 } | 133 } |
134 | 134 |
135 void AudioRendererBase::ScheduleRead() { | 135 void AudioRendererBase::ScheduleRead() { |
136 host_->PostTask(NewRunnableMethod(decoder_, &AudioDecoder::Read, | 136 host_->PostTask(NewRunnableMethod(decoder_, &AudioDecoder::Read, |
137 new AssignableBuffer<AudioRendererBase, Buffer>(this))); | 137 new AssignableBuffer<AudioRendererBase, Buffer>(this))); |
138 } | 138 } |
139 | 139 |
140 // static | 140 // static |
141 bool AudioRendererBase::ParseMediaFormat(const MediaFormat* media_format, | 141 bool AudioRendererBase::ParseMediaFormat(const MediaFormat& media_format, |
142 int* channels_out, | 142 int* channels_out, |
143 int* sample_rate_out, | 143 int* sample_rate_out, |
144 int* sample_bits_out) { | 144 int* sample_bits_out) { |
145 // TODO(scherkus): might be handy to support NULL parameters. | 145 // TODO(scherkus): might be handy to support NULL parameters. |
146 std::string mime_type; | 146 std::string mime_type; |
147 return media_format->GetAsString(MediaFormat::kMimeType, &mime_type) && | 147 return media_format.GetAsString(MediaFormat::kMimeType, &mime_type) && |
148 media_format->GetAsInteger(MediaFormat::kChannels, channels_out) && | 148 media_format.GetAsInteger(MediaFormat::kChannels, channels_out) && |
149 media_format->GetAsInteger(MediaFormat::kSampleRate, sample_rate_out) && | 149 media_format.GetAsInteger(MediaFormat::kSampleRate, sample_rate_out) && |
150 media_format->GetAsInteger(MediaFormat::kSampleBits, sample_bits_out) && | 150 media_format.GetAsInteger(MediaFormat::kSampleBits, sample_bits_out) && |
151 mime_type.compare(mime_type::kUncompressedAudio) == 0; | 151 mime_type.compare(mime_type::kUncompressedAudio) == 0; |
152 } | 152 } |
153 | 153 |
154 } // namespace media | 154 } // namespace media |
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