mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2025-12-06 08:46:47 +08:00
283eb139df
Review URL: http://webrtc-codereview.appspot.com/220004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@17 16f28f9a-4ce2-e073-06de-1de4eb20be90
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
|
|
#include "video_common.h"
|
|
|
|
#include <sstream>
|
|
|
|
#include "common.h"
|
|
|
|
namespace libyuv {
|
|
|
|
#define ARRAY_SIZE(x) (static_cast<int>((sizeof(x)/sizeof(x[0]))))
|
|
|
|
struct FourCCAliasEntry {
|
|
uint32 alias;
|
|
uint32 canonical;
|
|
};
|
|
|
|
static const FourCCAliasEntry kFourCCAliases[] = {
|
|
{FOURCC_IYUV, FOURCC_I420},
|
|
{FOURCC_YU12, FOURCC_I420},
|
|
{FOURCC_YUYV, FOURCC_YUY2},
|
|
{FOURCC_YUVS, FOURCC_YUY2},
|
|
{FOURCC_HDYC, FOURCC_UYVY},
|
|
{FOURCC_2VUY, FOURCC_UYVY},
|
|
{FOURCC_BA81, FOURCC_BGGR},
|
|
{FOURCC_JPEG, FOURCC_MJPG}, // Note: JPEG has DHT while MJPG does not.
|
|
{FOURCC_RGB3, FOURCC_RAW},
|
|
{FOURCC_BGR3, FOURCC_24BG},
|
|
};
|
|
|
|
uint32 CanonicalFourCC(uint32 fourcc) {
|
|
for (int i = 0; i < ARRAY_SIZE(kFourCCAliases); ++i) {
|
|
if (kFourCCAliases[i].alias == fourcc) {
|
|
return kFourCCAliases[i].canonical;
|
|
}
|
|
}
|
|
// Not an alias, so return it as-is.
|
|
return fourcc;
|
|
}
|
|
|
|
std::string VideoFormat::ToString() const {
|
|
std::string fourcc_name = GetFourccName(fourcc) + " ";
|
|
for (std::string::const_iterator i = fourcc_name.begin();
|
|
i < fourcc_name.end(); ++i) {
|
|
// Test character is printable; Avoid isprint() which asserts on negatives
|
|
if (*i < 32 || *i >= 127) {
|
|
fourcc_name = "";
|
|
break;
|
|
}
|
|
}
|
|
|
|
std::ostringstream ss;
|
|
ss << fourcc_name << width << "x" << height << "x" << IntervalToFps(interval);
|
|
return ss.str();
|
|
}
|
|
|
|
} // namespace libyuv
|