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/*
* Copyright (c) 2014 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_H_
#define API_VIDEO_VIDEO_FRAME_H_
#include <stdint.h>
#include "absl/types/optional.h"
#include "api/video/color_space.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "rtc_base/scoped_ref_ptr.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
class RTC_EXPORT VideoFrame {
public:
// Preferred way of building VideoFrame objects.
class Builder {
public:
Builder();
~Builder();
VideoFrame build();
Builder& set_video_frame_buffer(
const rtc::scoped_refptr<VideoFrameBuffer>& buffer);
Builder& set_timestamp_ms(int64_t timestamp_ms);
Builder& set_timestamp_us(int64_t timestamp_us);
Builder& set_timestamp_rtp(uint32_t timestamp_rtp);
Builder& set_ntp_time_ms(int64_t ntp_time_ms);
Builder& set_rotation(VideoRotation rotation);
Builder& set_color_space(const ColorSpace& color_space);
private:
rtc::scoped_refptr<webrtc::VideoFrameBuffer> video_frame_buffer_;
int64_t timestamp_us_ = 0;
uint32_t timestamp_rtp_ = 0;
int64_t ntp_time_ms_ = 0;
VideoRotation rotation_ = kVideoRotation_0;
absl::optional<ColorSpace> color_space_;
};
// To be deprecated. Migrate all use to Builder.
VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
webrtc::VideoRotation rotation,
int64_t timestamp_us);
VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
uint32_t timestamp_rtp,
int64_t render_time_ms,
VideoRotation rotation);
~VideoFrame();
// Support move and copy.
VideoFrame(const VideoFrame&);
VideoFrame(VideoFrame&&);
VideoFrame& operator=(const VideoFrame&);
VideoFrame& operator=(VideoFrame&&);
// Get frame width.
int width() const;
// Get frame height.
int height() const;
// Get frame size in pixels.
uint32_t size() const;
// System monotonic clock, same timebase as rtc::TimeMicros().
int64_t timestamp_us() const { return timestamp_us_; }
void set_timestamp_us(int64_t timestamp_us) { timestamp_us_ = timestamp_us; }
// TODO(nisse): After the cricket::VideoFrame and webrtc::VideoFrame
// merge, timestamps other than timestamp_us will likely be
// deprecated.
// Set frame timestamp (90kHz).
void set_timestamp(uint32_t timestamp) { timestamp_rtp_ = timestamp; }
// Get frame timestamp (90kHz).
uint32_t timestamp() const { return timestamp_rtp_; }
// For now, transport_frame_id and rtp timestamp are the same.
// TODO(nisse): Must be handled differently for QUIC.
uint32_t transport_frame_id() const { return timestamp(); }
// Set capture ntp time in milliseconds.
// TODO(nisse): Deprecated. Migrate all users to timestamp_us().
void set_ntp_time_ms(int64_t ntp_time_ms) { ntp_time_ms_ = ntp_time_ms; }
// Get capture ntp time in milliseconds.
// TODO(nisse): Deprecated. Migrate all users to timestamp_us().
int64_t ntp_time_ms() const { return ntp_time_ms_; }
// Naming convention for Coordination of Video Orientation. Please see
// http://www.etsi.org/deliver/etsi_ts/126100_126199/126114/12.07.00_60/ts_126114v120700p.pdf
//
// "pending rotation" or "pending" = a frame that has a VideoRotation > 0.
//
// "not pending" = a frame that has a VideoRotation == 0.
//
// "apply rotation" = modify a frame from being "pending" to being "not
// pending" rotation (a no-op for "unrotated").
//
VideoRotation rotation() const { return rotation_; }
void set_rotation(VideoRotation rotation) { rotation_ = rotation; }
// Set Color space when available.
absl::optional<ColorSpace> color_space() const { return color_space_; }
// Get render time in milliseconds.
// TODO(nisse): Deprecated. Migrate all users to timestamp_us().
int64_t render_time_ms() const;
// Return the underlying buffer. Never nullptr for a properly
// initialized VideoFrame.
rtc::scoped_refptr<webrtc::VideoFrameBuffer> video_frame_buffer() const;
// TODO(nisse): Deprecated.
// Return true if the frame is stored in a texture.
bool is_texture() const {
return video_frame_buffer()->type() == VideoFrameBuffer::Type::kNative;
}
private:
VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
int64_t timestamp_us,
uint32_t timestamp_rtp,
int64_t ntp_time_ms,
VideoRotation rotation,
const absl::optional<ColorSpace>& color_space);
// An opaque reference counted handle that stores the pixel data.
rtc::scoped_refptr<webrtc::VideoFrameBuffer> video_frame_buffer_;
uint32_t timestamp_rtp_;
int64_t ntp_time_ms_;
int64_t timestamp_us_;
VideoRotation rotation_;
absl::optional<ColorSpace> color_space_;
};
} // namespace webrtc
#endif // API_VIDEO_VIDEO_FRAME_H_