OLD | NEW |
---|---|
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "media/base/limits.h" | 7 #include "media/base/limits.h" |
8 | 8 |
9 AudioParameters::AudioParameters() | 9 AudioParameters::AudioParameters() |
10 : format(AUDIO_PCM_LINEAR), | 10 : format_(AUDIO_PCM_LINEAR), |
11 channel_layout(CHANNEL_LAYOUT_NONE), | 11 channel_layout_(CHANNEL_LAYOUT_NONE), |
12 sample_rate(0), | 12 samples_per_second_(0), |
13 bits_per_sample(0), | 13 bits_per_sample_(0), |
14 samples_per_packet(0), | 14 samples_per_packet_(0), |
15 channels(0) { | 15 channels_(0) { |
16 } | 16 } |
17 | 17 |
18 AudioParameters::AudioParameters(Format format, ChannelLayout channel_layout, | 18 AudioParameters::AudioParameters(Format format, ChannelLayout channel_layout, |
19 int sample_rate, int bits_per_sample, | 19 int samples_per_second, int bits_per_sample, |
20 int samples_per_packet) | 20 int samples_per_packet) |
21 : format(format), | 21 : format_(format), |
22 channel_layout(channel_layout), | 22 channel_layout_(channel_layout), |
23 sample_rate(sample_rate), | 23 samples_per_second_(samples_per_second), |
24 bits_per_sample(bits_per_sample), | 24 bits_per_sample_(bits_per_sample), |
25 samples_per_packet(samples_per_packet), | 25 samples_per_packet_(samples_per_packet), |
26 channels(ChannelLayoutToChannelCount(channel_layout)) { | 26 channels_(ChannelLayoutToChannelCount(channel_layout)) { |
27 } | |
28 | |
29 void AudioParameters::Reset(Format format, ChannelLayout channel_layout, | |
30 int samples_per_second, int bits_per_sample, | |
scherkus (not reviewing)
2012/03/09 21:48:59
indent
vrk (LEFT CHROMIUM)
2012/03/16 18:30:41
Done.
| |
31 int samples_per_packet) { | |
32 format_ = format; | |
33 channel_layout_ = channel_layout; | |
34 samples_per_second_ = samples_per_second; | |
35 bits_per_sample_ = bits_per_sample; | |
36 samples_per_packet_ = samples_per_packet; | |
37 channels_ = ChannelLayoutToChannelCount(channel_layout); | |
27 } | 38 } |
28 | 39 |
29 bool AudioParameters::IsValid() const { | 40 bool AudioParameters::IsValid() const { |
30 return (format >= 0) && (format < AUDIO_LAST_FORMAT) && | 41 return (format_ >= 0) && (format_ < AUDIO_LAST_FORMAT) && |
31 (channels > 0) && (channels <= media::limits::kMaxChannels) && | 42 (channels_ > 0) && (channels_ <= media::limits::kMaxChannels) && |
32 (sample_rate > 0) && (sample_rate <= media::limits::kMaxSampleRate) && | 43 (samples_per_second_ > 0) && |
33 (bits_per_sample > 0) && | 44 (samples_per_second_ <= media::limits::kMaxSampleRate) && |
34 (bits_per_sample <= media::limits::kMaxBitsPerSample) && | 45 (bits_per_sample_ > 0) && |
35 (samples_per_packet > 0) && | 46 (bits_per_sample_ <= media::limits::kMaxBitsPerSample) && |
36 (samples_per_packet <= media::limits::kMaxSamplesPerPacket); | 47 (samples_per_packet_ > 0) && |
48 (samples_per_packet_ <= media::limits::kMaxSamplesPerPacket); | |
37 } | 49 } |
38 | 50 |
39 int AudioParameters::GetPacketSize() const { | 51 int AudioParameters::GetPacketSize() const { |
40 return samples_per_packet * channels * bits_per_sample / 8; | 52 return samples_per_packet_ * channels_ * bits_per_sample_ / 8; |
41 } | 53 } |
42 | 54 |
43 int AudioParameters::GetBytesPerSecond() const { | 55 int AudioParameters::GetBytesPerSecond() const { |
44 return sample_rate * channels * bits_per_sample / 8; | 56 return samples_per_second_ * channels_ * bits_per_sample_ / 8; |
45 } | 57 } |
46 | 58 |
47 bool AudioParameters::Compare::operator()( | 59 bool AudioParameters::Compare::operator()( |
48 const AudioParameters& a, | 60 const AudioParameters& a, |
49 const AudioParameters& b) const { | 61 const AudioParameters& b) const { |
50 if (a.format < b.format) | 62 if (a.format_ < b.format_) |
51 return true; | 63 return true; |
52 if (a.format > b.format) | 64 if (a.format_ > b.format_) |
53 return false; | 65 return false; |
54 if (a.channels < b.channels) | 66 if (a.channels_ < b.channels_) |
55 return true; | 67 return true; |
56 if (a.channels > b.channels) | 68 if (a.channels_ > b.channels_) |
57 return false; | 69 return false; |
58 if (a.sample_rate < b.sample_rate) | 70 if (a.samples_per_second_ < b.samples_per_second_) |
59 return true; | 71 return true; |
60 if (a.sample_rate > b.sample_rate) | 72 if (a.samples_per_second_ > b.samples_per_second_) |
61 return false; | 73 return false; |
62 if (a.bits_per_sample < b.bits_per_sample) | 74 if (a.bits_per_sample_ < b.bits_per_sample_) |
63 return true; | 75 return true; |
64 if (a.bits_per_sample > b.bits_per_sample) | 76 if (a.bits_per_sample_ > b.bits_per_sample_) |
65 return false; | 77 return false; |
66 return a.samples_per_packet < b.samples_per_packet; | 78 return a.samples_per_packet_ < b.samples_per_packet_; |
67 } | 79 } |
OLD | NEW |