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// 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 "media/base/sample_format.h"
#include "base/logging.h"
namespace media {
int SampleFormatToBytesPerChannel(SampleFormat sample_format) {
switch (sample_format) {
case kUnknownSampleFormat:
return 0;
case kSampleFormatU8:
return 1;
case kSampleFormatS16:
case kSampleFormatPlanarS16:
return 2;
case kSampleFormatS32:
case kSampleFormatF32:
case kSampleFormatPlanarF32:
return 4;
case kSampleFormatMax:
break;
}
NOTREACHED() << "Invalid sample format provided: " << sample_format;
return 0;
}
const char* SampleFormatToString(SampleFormat sample_format) {
switch(sample_format) {
case kUnknownSampleFormat:
return "Unknown sample format";
case kSampleFormatU8:
return "Unsigned 8-bit with bias of 128";
case kSampleFormatS16:
return "Signed 16-bit";
case kSampleFormatS32:
return "Signed 32-bit";
case kSampleFormatF32:
return "Float 32-bit";
case kSampleFormatPlanarS16:
return "Signed 16-bit planar";
case kSampleFormatPlanarF32:
return "Float 32-bit planar";
case kSampleFormatMax:
break;
}
NOTREACHED() << "Invalid sample format provided: " << sample_format;
return "";
}
} // namespace media
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