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https://chromium.googlesource.com/libyuv/libyuv
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aed1cc94c1
git-svn-id: http://libyuv.googlecode.com/svn/trunk@2 16f28f9a-4ce2-e073-06de-1de4eb20be90
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "video_common.h"
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#include <sstream>
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#include "common.h"
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namespace libyuv {
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struct FourCCAliasEntry {
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uint32 alias;
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uint32 canonical;
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};
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static const FourCCAliasEntry kFourCCAliases[] = {
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{FOURCC_IYUV, FOURCC_I420},
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{FOURCC_YU12, FOURCC_I420},
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{FOURCC_YUYV, FOURCC_YUY2},
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{FOURCC_YUVS, FOURCC_YUY2},
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{FOURCC_HDYC, FOURCC_UYVY},
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{FOURCC_2VUY, FOURCC_UYVY},
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{FOURCC_BA81, FOURCC_BGGR},
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{FOURCC_JPEG, FOURCC_MJPG}, // Note: JPEG has DHT while MJPG does not.
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{FOURCC_RGB3, FOURCC_RAW},
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{FOURCC_BGR3, FOURCC_24BG},
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};
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uint32 CanonicalFourCC(uint32 fourcc) {
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for (int i = 0; i < ARRAY_SIZE(kFourCCAliases); ++i) {
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if (kFourCCAliases[i].alias == fourcc) {
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return kFourCCAliases[i].canonical;
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}
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}
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// Not an alias, so return it as-is.
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return fourcc;
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}
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std::string VideoFormat::ToString() const {
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std::string fourcc_name = GetFourccName(fourcc) + " ";
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for (std::string::const_iterator i = fourcc_name.begin();
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i < fourcc_name.end(); ++i) {
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// Test character is printable; Avoid isprint() which asserts on negatives
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if (*i < 32 || *i >= 127) {
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fourcc_name = "";
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break;
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}
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}
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std::ostringstream ss;
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ss << fourcc_name << width << "x" << height << "x" << IntervalToFps(interval);
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return ss.str();
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}
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} // namespace libyuv
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