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/*
* Copyright (c) 2019 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.
*/
#ifndef API_VIDEO_VIDEO_FRAME_TYPE_H_
#define API_VIDEO_VIDEO_FRAME_TYPE_H_
#include "absl/strings/string_view.h"
#include "rtc_base/checks.h"
namespace webrtc {
enum class VideoFrameType {
kEmptyFrame = 0,
// Wire format for MultiplexEncodedImagePacker seems to depend on numerical
// values of these constants.
kVideoFrameKey = 3,
kVideoFrameDelta = 4,
};
inline constexpr absl::string_view VideoFrameTypeToString(
VideoFrameType frame_type) {
switch (frame_type) {
case VideoFrameType::kEmptyFrame:
return "empty";
case VideoFrameType::kVideoFrameKey:
return "key";
case VideoFrameType::kVideoFrameDelta:
return "delta";
}
// Mozilla:
// gcc-8 complains about a constexpr function calling a non-constexpr ditto.
#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 9)
RTC_CHECK_NOTREACHED();
#endif
return "";
}
} // namespace webrtc
#endif // API_VIDEO_VIDEO_FRAME_TYPE_H_
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