OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef MEDIA_BASE_SAMPLE_FORMAT_H | 5 #ifndef MEDIA_BASE_SAMPLE_FORMAT_H |
6 #define MEDIA_BASE_SAMPLE_FORMAT_H | 6 #define MEDIA_BASE_SAMPLE_FORMAT_H |
7 | 7 |
8 #include "media/base/media_export.h" | 8 #include "media/base/media_export.h" |
9 | 9 |
10 namespace media { | 10 namespace media { |
11 | 11 |
12 enum SampleFormat { | 12 enum SampleFormat { |
13 // These values are histogrammed over time; do not change their ordinal | 13 // These values are histogrammed over time; do not change their ordinal |
14 // values. When deleting a sample format replace it with a dummy value; when | 14 // values. When deleting a sample format replace it with a dummy value; when |
15 // adding a sample format, do so at the bottom before kSampleFormatMax, and | 15 // adding a sample format, do so at the bottom before kSampleFormatMax, and |
16 // update the value of kSampleFormatMax. | 16 // update the value of kSampleFormatMax. |
17 kUnknownSampleFormat = 0, | 17 kUnknownSampleFormat = 0, |
18 kSampleFormatU8, // Unsigned 8-bit w/ bias of 128. | 18 kSampleFormatU8, // Unsigned 8-bit w/ bias of 128. |
19 kSampleFormatS16, // Signed 16-bit. | 19 kSampleFormatS16, // Signed 16-bit. |
20 kSampleFormatS32, // Signed 32-bit. | 20 kSampleFormatS32, // Signed 32-bit. |
21 kSampleFormatF32, // Float 32-bit. | 21 kSampleFormatF32, // Float 32-bit. |
22 kSampleFormatPlanarS16, // Signed 16-bit planar. | 22 kSampleFormatPlanarS16, // Signed 16-bit planar. |
23 kSampleFormatPlanarF32, // Float 32-bit planar. | 23 kSampleFormatPlanarF32, // Float 32-bit planar. |
| 24 kSampleFormatPlanarS32, // Signed 32-bit planar. |
24 | 25 |
25 // Must always be equal to largest value ever logged. | 26 // Must always be equal to largest value ever logged. |
26 kSampleFormatMax = kSampleFormatPlanarF32, | 27 kSampleFormatMax = kSampleFormatPlanarS32, |
27 }; | 28 }; |
28 | 29 |
29 // Returns the number of bytes used per channel for the specified | 30 // Returns the number of bytes used per channel for the specified |
30 // |sample_format|. | 31 // |sample_format|. |
31 MEDIA_EXPORT int SampleFormatToBytesPerChannel(SampleFormat sample_format); | 32 MEDIA_EXPORT int SampleFormatToBytesPerChannel(SampleFormat sample_format); |
32 | 33 |
33 // Returns the name of the sample format as a string | 34 // Returns the name of the sample format as a string |
34 MEDIA_EXPORT const char* SampleFormatToString(SampleFormat sample_format); | 35 MEDIA_EXPORT const char* SampleFormatToString(SampleFormat sample_format); |
35 | 36 |
36 } // namespace media | 37 } // namespace media |
37 | 38 |
38 #endif // MEDIA_BASE_SAMPLE_FORMAT_H | 39 #endif // MEDIA_BASE_SAMPLE_FORMAT_H |
OLD | NEW |