Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(100)

Side by Side Diff: media/audio/audio_parameters.cc

Issue 12662038: Revert 187936 "Pass more detailed audio hardware configuration i..." (Closed) Base URL: svn://svn.chromium.org/chrome/branches/1440/src/
Patch Set: Created 7 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « media/audio/audio_parameters.h ('k') | media/audio/mac/audio_manager_mac.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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/audio/audio_parameters.h" 5 #include "media/audio/audio_parameters.h"
6 6
7 #include "base/logging.h"
8 #include "media/base/limits.h" 7 #include "media/base/limits.h"
9 8
10 namespace media { 9 namespace media {
11 10
12 AudioParameters::AudioParameters() 11 AudioParameters::AudioParameters()
13 : format_(AUDIO_PCM_LINEAR), 12 : format_(AUDIO_PCM_LINEAR),
14 channel_layout_(CHANNEL_LAYOUT_NONE), 13 channel_layout_(CHANNEL_LAYOUT_NONE),
15 sample_rate_(0), 14 sample_rate_(0),
16 bits_per_sample_(0), 15 bits_per_sample_(0),
17 frames_per_buffer_(0), 16 frames_per_buffer_(0),
(...skipping 20 matching lines...) Expand all
38 : format_(format), 37 : format_(format),
39 channel_layout_(channel_layout), 38 channel_layout_(channel_layout),
40 sample_rate_(sample_rate), 39 sample_rate_(sample_rate),
41 bits_per_sample_(bits_per_sample), 40 bits_per_sample_(bits_per_sample),
42 frames_per_buffer_(frames_per_buffer), 41 frames_per_buffer_(frames_per_buffer),
43 channels_(ChannelLayoutToChannelCount(channel_layout)), 42 channels_(ChannelLayoutToChannelCount(channel_layout)),
44 input_channels_(input_channels) { 43 input_channels_(input_channels) {
45 } 44 }
46 45
47 void AudioParameters::Reset(Format format, ChannelLayout channel_layout, 46 void AudioParameters::Reset(Format format, ChannelLayout channel_layout,
48 int channels, int input_channels, 47 int input_channels,
49 int sample_rate, int bits_per_sample, 48 int sample_rate, int bits_per_sample,
50 int frames_per_buffer) { 49 int frames_per_buffer) {
51 if (channel_layout != CHANNEL_LAYOUT_DISCRETE)
52 DCHECK_EQ(channels, ChannelLayoutToChannelCount(channel_layout));
53
54 format_ = format; 50 format_ = format;
55 channel_layout_ = channel_layout; 51 channel_layout_ = channel_layout;
56 channels_ = channels;
57 input_channels_ = input_channels; 52 input_channels_ = input_channels;
58 sample_rate_ = sample_rate; 53 sample_rate_ = sample_rate;
59 bits_per_sample_ = bits_per_sample; 54 bits_per_sample_ = bits_per_sample;
60 frames_per_buffer_ = frames_per_buffer; 55 frames_per_buffer_ = frames_per_buffer;
56 channels_ = ChannelLayoutToChannelCount(channel_layout);
61 } 57 }
62 58
63 bool AudioParameters::IsValid() const { 59 bool AudioParameters::IsValid() const {
64 return (format_ >= AUDIO_PCM_LINEAR) && 60 return (format_ >= AUDIO_PCM_LINEAR) &&
65 (format_ < AUDIO_LAST_FORMAT) && 61 (format_ < AUDIO_LAST_FORMAT) &&
66 (channels_ > 0) && 62 (channels_ > 0) &&
67 (channels_ <= media::limits::kMaxChannels) && 63 (channels_ <= media::limits::kMaxChannels) &&
68 (channel_layout_ > CHANNEL_LAYOUT_UNSUPPORTED) && 64 (channel_layout_ > CHANNEL_LAYOUT_UNSUPPORTED) &&
69 (channel_layout_ < CHANNEL_LAYOUT_MAX) && 65 (channel_layout_ < CHANNEL_LAYOUT_MAX) &&
70 (input_channels_ >= 0) && 66 (input_channels_ >= 0) &&
(...skipping 11 matching lines...) Expand all
82 } 78 }
83 79
84 int AudioParameters::GetBytesPerSecond() const { 80 int AudioParameters::GetBytesPerSecond() const {
85 return sample_rate_ * GetBytesPerFrame(); 81 return sample_rate_ * GetBytesPerFrame();
86 } 82 }
87 83
88 int AudioParameters::GetBytesPerFrame() const { 84 int AudioParameters::GetBytesPerFrame() const {
89 return channels_ * bits_per_sample_ / 8; 85 return channels_ * bits_per_sample_ / 8;
90 } 86 }
91 87
92 void AudioParameters::SetDiscreteChannels(int channels) {
93 channel_layout_ = CHANNEL_LAYOUT_DISCRETE;
94 channels_ = channels;
95 }
96
97 } // namespace media 88 } // namespace media
OLDNEW
« no previous file with comments | « media/audio/audio_parameters.h ('k') | media/audio/mac/audio_manager_mac.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698