3d642f8442
Bug: webrtc:10798 Change-Id: I1975206323a520b557652760d1d54c01c26a7405 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144540 Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28473}
119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef SDK_ANDROID_SRC_JNI_VIDEO_ENCODER_WRAPPER_H_
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#define SDK_ANDROID_SRC_JNI_VIDEO_ENCODER_WRAPPER_H_
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#include <jni.h>
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#include <deque>
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#include <string>
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#include <vector>
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#include "absl/types/optional.h"
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#include "api/task_queue/task_queue_base.h"
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#include "api/video_codecs/video_encoder.h"
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#include "common_video/h264/h264_bitstream_parser.h"
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#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
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#include "sdk/android/src/jni/jni_helpers.h"
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#include "sdk/android/src/jni/video_frame.h"
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namespace webrtc {
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namespace jni {
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// Wraps a Java encoder and delegates all calls to it.
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class VideoEncoderWrapper : public VideoEncoder {
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public:
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VideoEncoderWrapper(JNIEnv* jni, const JavaRef<jobject>& j_encoder);
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~VideoEncoderWrapper() override;
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int32_t InitEncode(const VideoCodec* codec_settings,
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const Settings& settings) override;
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int32_t RegisterEncodeCompleteCallback(
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EncodedImageCallback* callback) override;
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int32_t Release() override;
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int32_t Encode(const VideoFrame& frame,
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const std::vector<VideoFrameType>* frame_types) override;
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void SetRates(const RateControlParameters& parameters) override;
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EncoderInfo GetEncoderInfo() const override;
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// Should only be called by JNI.
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void OnEncodedFrame(JNIEnv* jni,
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const JavaRef<jobject>& j_caller,
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const JavaRef<jobject>& j_encoded_image);
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private:
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struct FrameExtraInfo {
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int64_t capture_time_ns; // Used as an identifier of the frame.
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uint32_t timestamp_rtp;
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};
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int32_t InitEncodeInternal(JNIEnv* jni);
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// Takes Java VideoCodecStatus, handles it and returns WEBRTC_VIDEO_CODEC_*
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// status code.
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int32_t HandleReturnCode(JNIEnv* jni,
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const JavaRef<jobject>& j_value,
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const char* method_name);
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RTPFragmentationHeader ParseFragmentationHeader(
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rtc::ArrayView<const uint8_t> buffer);
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int ParseQp(rtc::ArrayView<const uint8_t> buffer);
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CodecSpecificInfo ParseCodecSpecificInfo(const EncodedImage& frame);
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ScopedJavaLocalRef<jobject> ToJavaBitrateAllocation(
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JNIEnv* jni,
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const VideoBitrateAllocation& allocation);
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std::string GetImplementationName(JNIEnv* jni) const;
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ScalingSettings GetScalingSettingsInternal(JNIEnv* jni) const;
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std::vector<ResolutionBitrateLimits> GetResolutionBitrateLimits(
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JNIEnv* jni) const;
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const ScopedJavaGlobalRef<jobject> encoder_;
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const ScopedJavaGlobalRef<jclass> int_array_class_;
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rtc::CriticalSection encoder_queue_crit_;
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TaskQueueBase* encoder_queue_ RTC_GUARDED_BY(encoder_queue_crit_);
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std::deque<FrameExtraInfo> frame_extra_infos_;
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EncodedImageCallback* callback_;
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bool initialized_;
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int num_resets_;
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absl::optional<VideoEncoder::Capabilities> capabilities_;
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int number_of_cores_;
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VideoCodec codec_settings_;
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EncoderInfo encoder_info_;
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H264BitstreamParser h264_bitstream_parser_;
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// VP9 variables to populate codec specific structure.
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GofInfoVP9 gof_; // Contains each frame's temporal information for
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// non-flexible VP9 mode.
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size_t gof_idx_;
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};
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/* If the j_encoder is a wrapped native encoder, unwrap it. If it is not,
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* wrap it in a VideoEncoderWrapper.
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*/
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std::unique_ptr<VideoEncoder> JavaToNativeVideoEncoder(
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JNIEnv* jni,
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const JavaRef<jobject>& j_encoder);
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bool IsHardwareVideoEncoder(JNIEnv* jni, const JavaRef<jobject>& j_encoder);
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} // namespace jni
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} // namespace webrtc
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#endif // SDK_ANDROID_SRC_JNI_VIDEO_ENCODER_WRAPPER_H_
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