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Unified Diff: webrtc/video_encoder.h

Issue 2780943003: Move video_encoder.h and video_decoder.h to /api and create GN targets for them (Closed)
Patch Set: Add missing TODO Created 3 years, 9 months ago
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Index: webrtc/video_encoder.h
diff --git a/webrtc/video_encoder.h b/webrtc/video_encoder.h
deleted file mode 100644
index 0a21fa345af6fd86f969d0a646f3d60937f332ec..0000000000000000000000000000000000000000
--- a/webrtc/video_encoder.h
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * 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 WEBRTC_VIDEO_ENCODER_H_
-#define WEBRTC_VIDEO_ENCODER_H_
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/common_types.h"
-#include "webrtc/typedefs.h"
-#include "webrtc/video_frame.h"
-#include "webrtc/base/optional.h"
-
-namespace webrtc {
-
-class RTPFragmentationHeader;
-// TODO(pbos): Expose these through a public (root) header or change these APIs.
-struct CodecSpecificInfo;
-class VideoCodec;
-
-class EncodedImageCallback {
- public:
- virtual ~EncodedImageCallback() {}
-
- struct Result {
- enum Error {
- OK,
-
- // Failed to send the packet.
- ERROR_SEND_FAILED,
- };
-
- Result(Error error) : error(error) {}
- Result(Error error, uint32_t frame_id) : error(error), frame_id(frame_id) {}
-
- Error error;
-
- // Frame ID assigned to the frame. The frame ID should be the same as the ID
- // seen by the receiver for this frame. RTP timestamp of the frame is used
- // as frame ID when RTP is used to send video. Must be used only when
- // error=OK.
- uint32_t frame_id = 0;
-
- // Tells the encoder that the next frame is should be dropped.
- bool drop_next_frame = false;
- };
-
- // Callback function which is called when an image has been encoded.
- virtual Result OnEncodedImage(
- const EncodedImage& encoded_image,
- const CodecSpecificInfo* codec_specific_info,
- const RTPFragmentationHeader* fragmentation) = 0;
-
- virtual void OnDroppedFrame() {}
-};
-
-class VideoEncoder {
- public:
- enum EncoderType {
- kH264,
- kVp8,
- kVp9,
- kUnsupportedCodec,
- };
- struct QpThresholds {
- QpThresholds(int l, int h) : low(l), high(h) {}
- QpThresholds() : low(-1), high(-1) {}
- int low;
- int high;
- };
- struct ScalingSettings {
- ScalingSettings(bool on, int low, int high)
- : enabled(on),
- thresholds(rtc::Optional<QpThresholds>(QpThresholds(low, high))) {}
- explicit ScalingSettings(bool on) : enabled(on) {}
- const bool enabled;
- const rtc::Optional<QpThresholds> thresholds;
- };
- static VideoEncoder* Create(EncoderType codec_type);
- // Returns true if this type of encoder can be created using
- // VideoEncoder::Create.
- static bool IsSupportedSoftware(EncoderType codec_type);
- static EncoderType CodecToEncoderType(VideoCodecType codec_type);
-
- static VideoCodecVP8 GetDefaultVp8Settings();
- static VideoCodecVP9 GetDefaultVp9Settings();
- static VideoCodecH264 GetDefaultH264Settings();
-
- virtual ~VideoEncoder() {}
-
- // Initialize the encoder with the information from the codecSettings
- //
- // Input:
- // - codec_settings : Codec settings
- // - number_of_cores : Number of cores available for the encoder
- // - max_payload_size : The maximum size each payload is allowed
- // to have. Usually MTU - overhead.
- //
- // Return value : Set bit rate if OK
- // <0 - Errors:
- // WEBRTC_VIDEO_CODEC_ERR_PARAMETER
- // WEBRTC_VIDEO_CODEC_ERR_SIZE
- // WEBRTC_VIDEO_CODEC_LEVEL_EXCEEDED
- // WEBRTC_VIDEO_CODEC_MEMORY
- // WEBRTC_VIDEO_CODEC_ERROR
- virtual int32_t InitEncode(const VideoCodec* codec_settings,
- int32_t number_of_cores,
- size_t max_payload_size) = 0;
-
- // Register an encode complete callback object.
- //
- // Input:
- // - callback : Callback object which handles encoded images.
- //
- // Return value : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise.
- virtual int32_t RegisterEncodeCompleteCallback(
- EncodedImageCallback* callback) = 0;
-
- // Free encoder memory.
- // Return value : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise.
- virtual int32_t Release() = 0;
-
- // Encode an I420 image (as a part of a video stream). The encoded image
- // will be returned to the user through the encode complete callback.
- //
- // Input:
- // - frame : Image to be encoded
- // - frame_types : Frame type to be generated by the encoder.
- //
- // Return value : WEBRTC_VIDEO_CODEC_OK if OK
- // <0 - Errors:
- // WEBRTC_VIDEO_CODEC_ERR_PARAMETER
- // WEBRTC_VIDEO_CODEC_MEMORY
- // WEBRTC_VIDEO_CODEC_ERROR
- // WEBRTC_VIDEO_CODEC_TIMEOUT
- virtual int32_t Encode(const VideoFrame& frame,
- const CodecSpecificInfo* codec_specific_info,
- const std::vector<FrameType>* frame_types) = 0;
-
- // Inform the encoder of the new packet loss rate and the round-trip time of
- // the network.
- //
- // Input:
- // - packet_loss : Fraction lost
- // (loss rate in percent = 100 * packetLoss / 255)
- // - rtt : Round-trip time in milliseconds
- // Return value : WEBRTC_VIDEO_CODEC_OK if OK
- // <0 - Errors: WEBRTC_VIDEO_CODEC_ERROR
- virtual int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) = 0;
-
- // Inform the encoder about the new target bit rate.
- //
- // Input:
- // - bitrate : New target bit rate
- // - framerate : The target frame rate
- //
- // Return value : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise.
- virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) {
- RTC_NOTREACHED() << "SetRate(uint32_t, uint32_t) is deprecated.";
- return -1;
- }
-
- // Default fallback: Just use the sum of bitrates as the single target rate.
- // TODO(sprang): Remove this default implementation when we remove SetRates().
- virtual int32_t SetRateAllocation(const BitrateAllocation& allocation,
- uint32_t framerate) {
- return SetRates(allocation.get_sum_kbps(), framerate);
- }
-
- // Any encoder implementation wishing to use the WebRTC provided
- // quality scaler must implement this method.
- virtual ScalingSettings GetScalingSettings() const {
- return ScalingSettings(false);
- }
-
- virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
- virtual bool SupportsNativeHandle() const { return false; }
- virtual const char* ImplementationName() const { return "unknown"; }
-};
-
-} // namespace webrtc
-#endif // WEBRTC_VIDEO_ENCODER_H_
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