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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/libwebrtc/webrtc/media/base/videocommon.cc
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/webrtc/media/base/videocommon.cc')
-rw-r--r--third_party/libwebrtc/webrtc/media/base/videocommon.cc79
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/libwebrtc/webrtc/media/base/videocommon.cc b/third_party/libwebrtc/webrtc/media/base/videocommon.cc
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+++ b/third_party/libwebrtc/webrtc/media/base/videocommon.cc
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2010 The WebRTC 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 "media/base/videocommon.h"
+
+#include <limits.h> // For INT_MAX
+#include <math.h>
+#include <sstream>
+
+#include "rtc_base/arraysize.h"
+
+namespace cricket {
+
+struct FourCCAliasEntry {
+ uint32_t alias;
+ uint32_t canonical;
+};
+
+static const FourCCAliasEntry kFourCCAliases[] = {
+ {FOURCC_IYUV, FOURCC_I420},
+ {FOURCC_YU16, FOURCC_I422},
+ {FOURCC_YU24, FOURCC_I444},
+ {FOURCC_YUYV, FOURCC_YUY2},
+ {FOURCC_YUVS, FOURCC_YUY2},
+ {FOURCC_HDYC, FOURCC_UYVY},
+ {FOURCC_2VUY, FOURCC_UYVY},
+ {FOURCC_JPEG, FOURCC_MJPG}, // Note: JPEG has DHT while MJPG does not.
+ {FOURCC_DMB1, FOURCC_MJPG},
+ {FOURCC_BA81, FOURCC_BGGR},
+ {FOURCC_RGB3, FOURCC_RAW},
+ {FOURCC_BGR3, FOURCC_24BG},
+ {FOURCC_CM32, FOURCC_BGRA},
+ {FOURCC_CM24, FOURCC_RAW},
+};
+
+uint32_t CanonicalFourCC(uint32_t fourcc) {
+ for (uint32_t i = 0; i < arraysize(kFourCCAliases); ++i) {
+ if (kFourCCAliases[i].alias == fourcc) {
+ return kFourCCAliases[i].canonical;
+ }
+ }
+ // Not an alias, so return it as-is.
+ return fourcc;
+}
+
+// The C++ standard requires a namespace-scope definition of static const
+// integral types even when they are initialized in the declaration (see
+// [class.static.data]/4), but MSVC with /Ze is non-conforming and treats that
+// as a multiply defined symbol error. See Also:
+// http://msdn.microsoft.com/en-us/library/34h23df8.aspx
+#ifndef _MSC_EXTENSIONS
+const int64_t VideoFormat::kMinimumInterval; // Initialized in header.
+#endif
+
+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"
+ << IntervalToFpsFloat(interval);
+ return ss.str();
+}
+
+} // namespace cricket