1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/include/video_coding_defines.h b/third_party/libwebrtc/modules/video_coding/include/video_coding_defines.h
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+++ b/third_party/libwebrtc/modules/video_coding/include/video_coding_defines.h
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+/*
+ *  Copyright (c) 2012 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 MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODING_DEFINES_H_
+#define MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODING_DEFINES_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "absl/types/optional.h"
+#include "api/video/video_content_type.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_timing.h"
+#include "api/video_codecs/video_decoder.h"
+
+namespace webrtc {
+
+// Error codes
+#define VCM_FRAME_NOT_READY 3
+#define VCM_MISSING_CALLBACK 1
+#define VCM_OK 0
+#define VCM_GENERAL_ERROR -1
+#define VCM_PARAMETER_ERROR -4
+#define VCM_NO_CODEC_REGISTERED -8
+#define VCM_JITTER_BUFFER_ERROR -9
+
+enum {
+  // Timing frames settings. Timing frames are sent every
+  // `kDefaultTimingFramesDelayMs`, or if the frame is at least
+  // `kDefaultOutlierFrameSizePercent` in size of average frame.
+  kDefaultTimingFramesDelayMs = 200,
+  kDefaultOutlierFrameSizePercent = 500,
+  // Maximum number of frames for what we store encode start timing information.
+  kMaxEncodeStartTimeListSize = 150,
+};
+
+enum VCMVideoProtection {
+  kProtectionNack,
+  kProtectionNackFEC,
+};
+
+// Callback class used for passing decoded frames which are ready to be
+// rendered.
+class VCMReceiveCallback {
+ public:
+  virtual int32_t FrameToRender(VideoFrame& videoFrame,  // NOLINT
+                                absl::optional<uint8_t> qp,
+                                TimeDelta decode_time,
+                                VideoContentType content_type,
+                                VideoFrameType frame_type) = 0;
+
+  virtual void OnDroppedFrames(uint32_t frames_dropped);
+
+  // Called when the current receive codec changes.
+  virtual void OnIncomingPayloadType(int payload_type);
+  virtual void OnDecoderInfoChanged(
+      const VideoDecoder::DecoderInfo& decoder_info);
+
+ protected:
+  virtual ~VCMReceiveCallback() {}
+};
+
+// Callback class used for telling the user about what frame type needed to
+// continue decoding.
+// Typically a key frame when the stream has been corrupted in some way.
+class VCMFrameTypeCallback {
+ public:
+  virtual int32_t RequestKeyFrame() = 0;
+
+ protected:
+  virtual ~VCMFrameTypeCallback() {}
+};
+
+// Callback class used for telling the user about which packet sequence numbers
+// are currently
+// missing and need to be resent.
+// TODO(philipel): Deprecate VCMPacketRequestCallback
+//                 and use NackSender instead.
+class VCMPacketRequestCallback {
+ public:
+  virtual int32_t ResendPackets(const uint16_t* sequenceNumbers,
+                                uint16_t length) = 0;
+
+ protected:
+  virtual ~VCMPacketRequestCallback() {}
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODING_DEFINES_H_