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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 COMMON_TYPES_H_
#define COMMON_TYPES_H_
#include <stddef.h> // For size_t
#include <cstdint>
namespace webrtc {
struct FrameCounts {
FrameCounts() : key_frames(0), delta_frames(0) {}
int key_frames;
int delta_frames;
};
// Callback, used to notify an observer whenever frame counts have been updated.
class FrameCountObserver {
public:
virtual ~FrameCountObserver() {}
virtual void FrameCountUpdated(const FrameCounts& frame_counts,
uint32_t ssrc) = 0;
};
// ==================================================================
// Video specific types
// ==================================================================
// TODO(magjed): Move this and other H264 related classes out to their own file.
namespace H264 {
enum Profile {
kProfileConstrainedBaseline,
kProfileBaseline,
kProfileMain,
kProfileConstrainedHigh,
kProfileHigh,
};
} // namespace H264
struct SpatialLayer {
bool operator==(const SpatialLayer& other) const;
bool operator!=(const SpatialLayer& other) const { return !(*this == other); }
unsigned short width;
unsigned short height;
float maxFramerate; // fps.
unsigned char numberOfTemporalLayers;
unsigned int maxBitrate; // kilobits/sec.
unsigned int targetBitrate; // kilobits/sec.
unsigned int minBitrate; // kilobits/sec.
unsigned int qpMax; // minimum quality
bool active; // encoded and sent.
};
// Simulcast is when the same stream is encoded multiple times with different
// settings such as resolution.
typedef SpatialLayer SimulcastStream;
// Minimum and maximum playout delay values from capture to render.
// These are best effort values.
//
// A value < 0 indicates no change from previous valid value.
//
// min = max = 0 indicates that the receiver should try and render
// frame as soon as possible.
//
// min = x, max = y indicates that the receiver is free to adapt
// in the range (x, y) based on network jitter.
//
// Note: Given that this gets embedded in a union, it is up-to the owner to
// initialize these values.
struct PlayoutDelay {
PlayoutDelay(int min_ms, int max_ms) : min_ms(min_ms), max_ms(max_ms) {}
int min_ms;
int max_ms;
static PlayoutDelay Noop() { return PlayoutDelay(-1, -1); }
bool IsNoop() const { return min_ms == -1 && max_ms == -1; }
bool operator==(const PlayoutDelay& rhs) const {
return min_ms == rhs.min_ms && max_ms == rhs.max_ms;
}
};
} // namespace webrtc
#endif // COMMON_TYPES_H_
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