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| 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 #include "media/base/sample_format.h" | 5 #include "media/base/sample_format.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 | 8 |
| 9 namespace media { | 9 namespace media { |
| 10 | 10 |
| 11 int SampleFormatToBytesPerChannel(SampleFormat sample_format) { | 11 int SampleFormatToBytesPerChannel(SampleFormat sample_format) { |
| 12 switch (sample_format) { | 12 switch (sample_format) { |
| 13 case kUnknownSampleFormat: | 13 case kUnknownSampleFormat: |
| 14 return 0; | 14 return 0; |
| 15 case kSampleFormatU8: | 15 case kSampleFormatU8: |
| 16 case kSampleFormatRaw: |
| 16 return 1; | 17 return 1; |
| 17 case kSampleFormatS16: | 18 case kSampleFormatS16: |
| 18 case kSampleFormatPlanarS16: | 19 case kSampleFormatPlanarS16: |
| 19 return 2; | 20 return 2; |
| 20 case kSampleFormatS24: | 21 case kSampleFormatS24: |
| 21 case kSampleFormatS32: | 22 case kSampleFormatS32: |
| 22 case kSampleFormatF32: | 23 case kSampleFormatF32: |
| 23 case kSampleFormatPlanarF32: | 24 case kSampleFormatPlanarF32: |
| 24 case kSampleFormatPlanarS32: | 25 case kSampleFormatPlanarS32: |
| 25 return 4; | 26 return 4; |
| (...skipping 16 matching lines...) Expand all Loading... |
| 42 case kSampleFormatS32: | 43 case kSampleFormatS32: |
| 43 return "Signed 32-bit"; | 44 return "Signed 32-bit"; |
| 44 case kSampleFormatF32: | 45 case kSampleFormatF32: |
| 45 return "Float 32-bit"; | 46 return "Float 32-bit"; |
| 46 case kSampleFormatPlanarS16: | 47 case kSampleFormatPlanarS16: |
| 47 return "Signed 16-bit planar"; | 48 return "Signed 16-bit planar"; |
| 48 case kSampleFormatPlanarF32: | 49 case kSampleFormatPlanarF32: |
| 49 return "Float 32-bit planar"; | 50 return "Float 32-bit planar"; |
| 50 case kSampleFormatPlanarS32: | 51 case kSampleFormatPlanarS32: |
| 51 return "Signed 32-bit planar"; | 52 return "Signed 32-bit planar"; |
| 53 case kSampleFormatRaw: |
| 54 return "Raw compressed bitstream"; |
| 52 } | 55 } |
| 53 NOTREACHED() << "Invalid sample format provided: " << sample_format; | 56 NOTREACHED() << "Invalid sample format provided: " << sample_format; |
| 54 return ""; | 57 return ""; |
| 55 } | 58 } |
| 56 | 59 |
| 57 bool IsPlanar(SampleFormat sample_format) { | 60 bool IsPlanar(SampleFormat sample_format) { |
| 58 switch (sample_format) { | 61 switch (sample_format) { |
| 59 case kSampleFormatPlanarS16: | 62 case kSampleFormatPlanarS16: |
| 60 case kSampleFormatPlanarF32: | 63 case kSampleFormatPlanarF32: |
| 61 case kSampleFormatPlanarS32: | 64 case kSampleFormatPlanarS32: |
| 62 return true; | 65 return true; |
| 63 case kUnknownSampleFormat: | 66 case kUnknownSampleFormat: |
| 64 case kSampleFormatU8: | 67 case kSampleFormatU8: |
| 65 case kSampleFormatS16: | 68 case kSampleFormatS16: |
| 66 case kSampleFormatS24: | 69 case kSampleFormatS24: |
| 67 case kSampleFormatS32: | 70 case kSampleFormatS32: |
| 68 case kSampleFormatF32: | 71 case kSampleFormatF32: |
| 72 case kSampleFormatRaw: |
| 69 return false; | 73 return false; |
| 70 } | 74 } |
| 71 | 75 |
| 72 NOTREACHED() << "Invalid sample format provided: " << sample_format; | 76 NOTREACHED() << "Invalid sample format provided: " << sample_format; |
| 73 return false; | 77 return false; |
| 74 } | 78 } |
| 75 | 79 |
| 76 bool IsInterleaved(SampleFormat sample_format) { | 80 bool IsInterleaved(SampleFormat sample_format) { |
| 77 switch (sample_format) { | 81 switch (sample_format) { |
| 78 case kSampleFormatU8: | 82 case kSampleFormatU8: |
| 79 case kSampleFormatS16: | 83 case kSampleFormatS16: |
| 80 case kSampleFormatS24: | 84 case kSampleFormatS24: |
| 81 case kSampleFormatS32: | 85 case kSampleFormatS32: |
| 82 case kSampleFormatF32: | 86 case kSampleFormatF32: |
| 87 case kSampleFormatRaw: |
| 83 return true; | 88 return true; |
| 84 case kUnknownSampleFormat: | 89 case kUnknownSampleFormat: |
| 85 case kSampleFormatPlanarS16: | 90 case kSampleFormatPlanarS16: |
| 86 case kSampleFormatPlanarF32: | 91 case kSampleFormatPlanarF32: |
| 87 case kSampleFormatPlanarS32: | 92 case kSampleFormatPlanarS32: |
| 88 return false; | 93 return false; |
| 89 } | 94 } |
| 90 | 95 |
| 91 NOTREACHED() << "Invalid sample format provided: " << sample_format; | 96 NOTREACHED() << "Invalid sample format provided: " << sample_format; |
| 92 return false; | 97 return false; |
| 93 } | 98 } |
| 94 | 99 |
| 95 } // namespace media | 100 } // namespace media |
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