Index: webkit/renderer/media/audio_decoder.cc |
diff --git a/webkit/renderer/media/audio_decoder.cc b/webkit/renderer/media/audio_decoder.cc |
deleted file mode 100644 |
index 8bd648ed65ede6fe12241b0ea3bfe191d035ca8b..0000000000000000000000000000000000000000 |
--- a/webkit/renderer/media/audio_decoder.cc |
+++ /dev/null |
@@ -1,93 +0,0 @@ |
-// 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 "webkit/renderer/media/audio_decoder.h" |
- |
-#include <vector> |
-#include "base/basictypes.h" |
-#include "base/strings/string_util.h" |
-#include "base/time.h" |
-#include "media/base/audio_bus.h" |
-#include "media/base/limits.h" |
-#include "media/filters/audio_file_reader.h" |
-#include "media/filters/in_memory_url_protocol.h" |
-#include "third_party/WebKit/public/platform/WebAudioBus.h" |
- |
-using media::AudioBus; |
-using media::AudioFileReader; |
-using media::InMemoryUrlProtocol; |
-using std::vector; |
-using WebKit::WebAudioBus; |
- |
-namespace webkit_media { |
- |
-// Decode in-memory audio file data. |
-bool DecodeAudioFileData( |
- WebKit::WebAudioBus* destination_bus, |
- const char* data, size_t data_size, double sample_rate) { |
- DCHECK(destination_bus); |
- if (!destination_bus) |
- return false; |
- |
- // Uses the FFmpeg library for audio file reading. |
- InMemoryUrlProtocol url_protocol(reinterpret_cast<const uint8*>(data), |
- data_size, false); |
- AudioFileReader reader(&url_protocol); |
- |
- if (!reader.Open()) |
- return false; |
- |
- size_t number_of_channels = reader.channels(); |
- double file_sample_rate = reader.sample_rate(); |
- size_t number_of_frames = static_cast<size_t>(reader.number_of_frames()); |
- |
- // Apply sanity checks to make sure crazy values aren't coming out of |
- // FFmpeg. |
- if (!number_of_channels || |
- number_of_channels > static_cast<size_t>(media::limits::kMaxChannels) || |
- file_sample_rate < media::limits::kMinSampleRate || |
- file_sample_rate > media::limits::kMaxSampleRate) |
- return false; |
- |
- // Allocate and configure the output audio channel data. |
- destination_bus->initialize(number_of_channels, |
- number_of_frames, |
- file_sample_rate); |
- |
- // Wrap the channel pointers which will receive the decoded PCM audio. |
- vector<float*> audio_data; |
- audio_data.reserve(number_of_channels); |
- for (size_t i = 0; i < number_of_channels; ++i) { |
- audio_data.push_back(destination_bus->channelData(i)); |
- } |
- |
- scoped_ptr<AudioBus> audio_bus = AudioBus::WrapVector( |
- number_of_frames, audio_data); |
- |
- // Decode the audio file data. |
- // TODO(crogers): If our estimate was low, then we still may fail to read |
- // all of the data from the file. |
- size_t actual_frames = reader.Read(audio_bus.get()); |
- |
- // Adjust WebKit's bus to account for the actual file length |
- // and valid data read. |
- if (actual_frames != number_of_frames) { |
- DCHECK_LE(actual_frames, number_of_frames); |
- destination_bus->resizeSmaller(actual_frames); |
- } |
- |
- double duration = actual_frames / file_sample_rate; |
- |
- DVLOG(1) << "Decoded file data -" |
- << " data: " << data |
- << " data size: " << data_size |
- << " duration: " << duration |
- << " number of frames: " << actual_frames |
- << " sample rate: " << file_sample_rate |
- << " number of channels: " << number_of_channels; |
- |
- return actual_frames > 0; |
-} |
- |
-} // namespace webkit_media |