Index: talk/app/webrtc/java/jni/androidmediaencoder_jni.cc |
diff --git a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc |
deleted file mode 100644 |
index aade95ba46a4eaad5ad409455accbd7de476dee2..0000000000000000000000000000000000000000 |
--- a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc |
+++ /dev/null |
@@ -1,1264 +0,0 @@ |
-/* |
- * libjingle |
- * Copyright 2015 Google Inc. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are met: |
- * |
- * 1. Redistributions of source code must retain the above copyright notice, |
- * this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright notice, |
- * this list of conditions and the following disclaimer in the documentation |
- * and/or other materials provided with the distribution. |
- * 3. The name of the author may not be used to endorse or promote products |
- * derived from this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- * |
- */ |
- |
-#include "talk/app/webrtc/java/jni/androidmediaencoder_jni.h" |
-// NOTICE: androidmediaencoder_jni.h must be included before |
-// androidmediacodeccommon.h to avoid build errors. |
-#include "talk/app/webrtc/java/jni/androidmediacodeccommon.h" |
-#include "talk/app/webrtc/java/jni/classreferenceholder.h" |
-#include "talk/app/webrtc/java/jni/native_handle_impl.h" |
-#include "third_party/libyuv/include/libyuv/convert.h" |
-#include "third_party/libyuv/include/libyuv/convert_from.h" |
-#include "third_party/libyuv/include/libyuv/video_common.h" |
-#include "webrtc/base/bind.h" |
-#include "webrtc/base/checks.h" |
-#include "webrtc/base/logging.h" |
-#include "webrtc/base/thread.h" |
-#include "webrtc/base/thread_checker.h" |
-#include "webrtc/common_types.h" |
-#include "webrtc/modules/rtp_rtcp/source/h264_bitstream_parser.h" |
-#include "webrtc/modules/video_coding/include/video_codec_interface.h" |
-#include "webrtc/modules/video_coding/utility/quality_scaler.h" |
-#include "webrtc/modules/video_coding/utility/vp8_header_parser.h" |
-#include "webrtc/system_wrappers/include/field_trial.h" |
-#include "webrtc/system_wrappers/include/logcat_trace_context.h" |
- |
-using rtc::Bind; |
-using rtc::Thread; |
-using rtc::ThreadManager; |
-using rtc::scoped_ptr; |
- |
-using webrtc::CodecSpecificInfo; |
-using webrtc::EncodedImage; |
-using webrtc::VideoFrame; |
-using webrtc::RTPFragmentationHeader; |
-using webrtc::VideoCodec; |
-using webrtc::VideoCodecType; |
-using webrtc::kVideoCodecH264; |
-using webrtc::kVideoCodecVP8; |
-using webrtc::kVideoCodecVP9; |
- |
-namespace webrtc_jni { |
- |
-// H.264 start code length. |
-#define H264_SC_LENGTH 4 |
-// Maximum allowed NALUs in one output frame. |
-#define MAX_NALUS_PERFRAME 32 |
-// Maximum supported HW video encoder resolution. |
-#define MAX_VIDEO_WIDTH 1280 |
-#define MAX_VIDEO_HEIGHT 1280 |
-// Maximum supported HW video encoder fps. |
-#define MAX_VIDEO_FPS 30 |
-// Maximum allowed fps value in SetRates() call. |
-#define MAX_ALLOWED_VIDEO_FPS 60 |
-// Maximum allowed frames in encoder input queue. |
-#define MAX_ENCODER_Q_SIZE 2 |
-// Maximum allowed latency in ms. |
-#define MAX_ENCODER_LATENCY_MS 70 |
-// Maximum amount of dropped frames caused by full encoder queue - exceeding |
-// this threshold means that encoder probably got stuck and need to be reset. |
-#define ENCODER_STALL_FRAMEDROP_THRESHOLD 60 |
- |
-// Logging macros. |
-#define TAG_ENCODER "MediaCodecVideoEncoder" |
-#ifdef TRACK_BUFFER_TIMING |
-#define ALOGV(...) |
- __android_log_print(ANDROID_LOG_VERBOSE, TAG_ENCODER, __VA_ARGS__) |
-#else |
-#define ALOGV(...) |
-#endif |
-#define ALOGD LOG_TAG(rtc::LS_INFO, TAG_ENCODER) |
-#define ALOGW LOG_TAG(rtc::LS_WARNING, TAG_ENCODER) |
-#define ALOGE LOG_TAG(rtc::LS_ERROR, TAG_ENCODER) |
- |
-namespace { |
-// Maximum time limit between incoming frames before requesting a key frame. |
-const size_t kFrameDiffThresholdMs = 1100; |
-const int kMinKeyFrameInterval = 2; |
-} // namespace |
- |
-// MediaCodecVideoEncoder is a webrtc::VideoEncoder implementation that uses |
-// Android's MediaCodec SDK API behind the scenes to implement (hopefully) |
-// HW-backed video encode. This C++ class is implemented as a very thin shim, |
-// delegating all of the interesting work to org.webrtc.MediaCodecVideoEncoder. |
-// MediaCodecVideoEncoder is created, operated, and destroyed on a single |
-// thread, currently the libjingle Worker thread. |
-class MediaCodecVideoEncoder : public webrtc::VideoEncoder, |
- public rtc::MessageHandler { |
- public: |
- virtual ~MediaCodecVideoEncoder(); |
- MediaCodecVideoEncoder(JNIEnv* jni, |
- VideoCodecType codecType, |
- jobject egl_context); |
- |
- // webrtc::VideoEncoder implementation. Everything trampolines to |
- // |codec_thread_| for execution. |
- int32_t InitEncode(const webrtc::VideoCodec* codec_settings, |
- int32_t /* number_of_cores */, |
- size_t /* max_payload_size */) override; |
- int32_t Encode(const webrtc::VideoFrame& input_image, |
- const webrtc::CodecSpecificInfo* /* codec_specific_info */, |
- const std::vector<webrtc::FrameType>* frame_types) override; |
- int32_t RegisterEncodeCompleteCallback( |
- webrtc::EncodedImageCallback* callback) override; |
- int32_t Release() override; |
- int32_t SetChannelParameters(uint32_t /* packet_loss */, |
- int64_t /* rtt */) override; |
- int32_t SetRates(uint32_t new_bit_rate, uint32_t frame_rate) override; |
- |
- // rtc::MessageHandler implementation. |
- void OnMessage(rtc::Message* msg) override; |
- |
- void OnDroppedFrame() override; |
- |
- int GetTargetFramerate() override; |
- |
- bool SupportsNativeHandle() const override { return egl_context_ != nullptr; } |
- const char* ImplementationName() const override; |
- |
- private: |
- // CHECK-fail if not running on |codec_thread_|. |
- void CheckOnCodecThread(); |
- |
- private: |
- // ResetCodecOnCodecThread() calls ReleaseOnCodecThread() and |
- // InitEncodeOnCodecThread() in an attempt to restore the codec to an |
- // operable state. Necessary after all manner of OMX-layer errors. |
- bool ResetCodecOnCodecThread(); |
- |
- // Implementation of webrtc::VideoEncoder methods above, all running on the |
- // codec thread exclusively. |
- // |
- // If width==0 then this is assumed to be a re-initialization and the |
- // previously-current values are reused instead of the passed parameters |
- // (makes it easier to reason about thread-safety). |
- int32_t InitEncodeOnCodecThread(int width, int height, int kbps, int fps, |
- bool use_surface); |
- // Reconfigure to match |frame| in width, height. Also reconfigures the |
- // encoder if |frame| is a texture/byte buffer and the encoder is initialized |
- // for byte buffer/texture. Returns false if reconfiguring fails. |
- bool MaybeReconfigureEncoderOnCodecThread(const webrtc::VideoFrame& frame); |
- int32_t EncodeOnCodecThread( |
- const webrtc::VideoFrame& input_image, |
- const std::vector<webrtc::FrameType>* frame_types); |
- bool EncodeByteBufferOnCodecThread(JNIEnv* jni, |
- bool key_frame, const webrtc::VideoFrame& frame, int input_buffer_index); |
- bool EncodeTextureOnCodecThread(JNIEnv* jni, |
- bool key_frame, const webrtc::VideoFrame& frame); |
- |
- int32_t RegisterEncodeCompleteCallbackOnCodecThread( |
- webrtc::EncodedImageCallback* callback); |
- int32_t ReleaseOnCodecThread(); |
- int32_t SetRatesOnCodecThread(uint32_t new_bit_rate, uint32_t frame_rate); |
- |
- // Helper accessors for MediaCodecVideoEncoder$OutputBufferInfo members. |
- int GetOutputBufferInfoIndex(JNIEnv* jni, jobject j_output_buffer_info); |
- jobject GetOutputBufferInfoBuffer(JNIEnv* jni, jobject j_output_buffer_info); |
- bool GetOutputBufferInfoIsKeyFrame(JNIEnv* jni, jobject j_output_buffer_info); |
- jlong GetOutputBufferInfoPresentationTimestampUs( |
- JNIEnv* jni, jobject j_output_buffer_info); |
- |
- // Deliver any outputs pending in the MediaCodec to our |callback_| and return |
- // true on success. |
- bool DeliverPendingOutputs(JNIEnv* jni); |
- |
- // Search for H.264 start codes. |
- int32_t NextNaluPosition(uint8_t *buffer, size_t buffer_size); |
- |
- // Displays encoder statistics. |
- void LogStatistics(bool force_log); |
- |
- // Type of video codec. |
- VideoCodecType codecType_; |
- |
- // Valid all the time since RegisterEncodeCompleteCallback() Invoke()s to |
- // |codec_thread_| synchronously. |
- webrtc::EncodedImageCallback* callback_; |
- |
- // State that is constant for the lifetime of this object once the ctor |
- // returns. |
- scoped_ptr<Thread> codec_thread_; // Thread on which to operate MediaCodec. |
- rtc::ThreadChecker codec_thread_checker_; |
- ScopedGlobalRef<jclass> j_media_codec_video_encoder_class_; |
- ScopedGlobalRef<jobject> j_media_codec_video_encoder_; |
- jmethodID j_init_encode_method_; |
- jmethodID j_get_input_buffers_method_; |
- jmethodID j_dequeue_input_buffer_method_; |
- jmethodID j_encode_buffer_method_; |
- jmethodID j_encode_texture_method_; |
- jmethodID j_release_method_; |
- jmethodID j_set_rates_method_; |
- jmethodID j_dequeue_output_buffer_method_; |
- jmethodID j_release_output_buffer_method_; |
- jfieldID j_color_format_field_; |
- jfieldID j_info_index_field_; |
- jfieldID j_info_buffer_field_; |
- jfieldID j_info_is_key_frame_field_; |
- jfieldID j_info_presentation_timestamp_us_field_; |
- |
- // State that is valid only between InitEncode() and the next Release(). |
- // Touched only on codec_thread_ so no explicit synchronization necessary. |
- int width_; // Frame width in pixels. |
- int height_; // Frame height in pixels. |
- bool inited_; |
- bool use_surface_; |
- uint16_t picture_id_; |
- enum libyuv::FourCC encoder_fourcc_; // Encoder color space format. |
- int last_set_bitrate_kbps_; // Last-requested bitrate in kbps. |
- int last_set_fps_; // Last-requested frame rate. |
- int64_t current_timestamp_us_; // Current frame timestamps in us. |
- int frames_received_; // Number of frames received by encoder. |
- int frames_encoded_; // Number of frames encoded by encoder. |
- int frames_dropped_media_encoder_; // Number of frames dropped by encoder. |
- // Number of dropped frames caused by full queue. |
- int consecutive_full_queue_frame_drops_; |
- int frames_in_queue_; // Number of frames in encoder queue. |
- int64_t stat_start_time_ms_; // Start time for statistics. |
- int current_frames_; // Number of frames in the current statistics interval. |
- int current_bytes_; // Encoded bytes in the current statistics interval. |
- int current_acc_qp_; // Accumulated QP in the current statistics interval. |
- int current_encoding_time_ms_; // Overall encoding time in the current second |
- int64_t last_input_timestamp_ms_; // Timestamp of last received yuv frame. |
- int64_t last_output_timestamp_ms_; // Timestamp of last encoded frame. |
- std::vector<int32_t> timestamps_; // Video frames timestamp queue. |
- std::vector<int64_t> render_times_ms_; // Video frames render time queue. |
- std::vector<int64_t> frame_rtc_times_ms_; // Time when video frame is sent to |
- // encoder input. |
- int32_t output_timestamp_; // Last output frame timestamp from timestamps_ Q. |
- int64_t output_render_time_ms_; // Last output frame render time from |
- // render_times_ms_ queue. |
- // Frame size in bytes fed to MediaCodec. |
- int yuv_size_; |
- // True only when between a callback_->Encoded() call return a positive value |
- // and the next Encode() call being ignored. |
- bool drop_next_input_frame_; |
- // Global references; must be deleted in Release(). |
- std::vector<jobject> input_buffers_; |
- webrtc::QualityScaler quality_scaler_; |
- // Dynamic resolution change, off by default. |
- bool scale_; |
- |
- // H264 bitstream parser, used to extract QP from encoded bitstreams. |
- webrtc::H264BitstreamParser h264_bitstream_parser_; |
- |
- // VP9 variables to populate codec specific structure. |
- webrtc::GofInfoVP9 gof_; // Contains each frame's temporal information for |
- // non-flexible VP9 mode. |
- uint8_t tl0_pic_idx_; |
- size_t gof_idx_; |
- |
- // EGL context - owned by factory, should not be allocated/destroyed |
- // by MediaCodecVideoEncoder. |
- jobject egl_context_; |
- |
- // Temporary fix for VP8. |
- // Sends a key frame if frames are largely spaced apart (possibly |
- // corresponding to a large image change). |
- int64_t last_frame_received_ms_; |
- int frames_received_since_last_key_; |
- webrtc::VideoCodecMode codec_mode_; |
-}; |
- |
-MediaCodecVideoEncoder::~MediaCodecVideoEncoder() { |
- // Call Release() to ensure no more callbacks to us after we are deleted. |
- Release(); |
-} |
- |
-MediaCodecVideoEncoder::MediaCodecVideoEncoder( |
- JNIEnv* jni, VideoCodecType codecType, jobject egl_context) : |
- codecType_(codecType), |
- callback_(NULL), |
- codec_thread_(new Thread()), |
- j_media_codec_video_encoder_class_( |
- jni, |
- FindClass(jni, "org/webrtc/MediaCodecVideoEncoder")), |
- j_media_codec_video_encoder_( |
- jni, |
- jni->NewObject(*j_media_codec_video_encoder_class_, |
- GetMethodID(jni, |
- *j_media_codec_video_encoder_class_, |
- "<init>", |
- "()V"))), |
- inited_(false), |
- use_surface_(false), |
- picture_id_(0), |
- egl_context_(egl_context) { |
- ScopedLocalRefFrame local_ref_frame(jni); |
- // It would be nice to avoid spinning up a new thread per MediaCodec, and |
- // instead re-use e.g. the PeerConnectionFactory's |worker_thread_|, but bug |
- // 2732 means that deadlocks abound. This class synchronously trampolines |
- // to |codec_thread_|, so if anything else can be coming to _us_ from |
- // |codec_thread_|, or from any thread holding the |_sendCritSect| described |
- // in the bug, we have a problem. For now work around that with a dedicated |
- // thread. |
- codec_thread_->SetName("MediaCodecVideoEncoder", NULL); |
- RTC_CHECK(codec_thread_->Start()) << "Failed to start MediaCodecVideoEncoder"; |
- codec_thread_checker_.DetachFromThread(); |
- jclass j_output_buffer_info_class = |
- FindClass(jni, "org/webrtc/MediaCodecVideoEncoder$OutputBufferInfo"); |
- j_init_encode_method_ = GetMethodID( |
- jni, |
- *j_media_codec_video_encoder_class_, |
- "initEncode", |
- "(Lorg/webrtc/MediaCodecVideoEncoder$VideoCodecType;" |
- "IIIILorg/webrtc/EglBase14$Context;)Z"); |
- j_get_input_buffers_method_ = GetMethodID( |
- jni, |
- *j_media_codec_video_encoder_class_, |
- "getInputBuffers", |
- "()[Ljava/nio/ByteBuffer;"); |
- j_dequeue_input_buffer_method_ = GetMethodID( |
- jni, *j_media_codec_video_encoder_class_, "dequeueInputBuffer", "()I"); |
- j_encode_buffer_method_ = GetMethodID( |
- jni, *j_media_codec_video_encoder_class_, "encodeBuffer", "(ZIIJ)Z"); |
- j_encode_texture_method_ = GetMethodID( |
- jni, *j_media_codec_video_encoder_class_, "encodeTexture", |
- "(ZI[FJ)Z"); |
- j_release_method_ = |
- GetMethodID(jni, *j_media_codec_video_encoder_class_, "release", "()V"); |
- j_set_rates_method_ = GetMethodID( |
- jni, *j_media_codec_video_encoder_class_, "setRates", "(II)Z"); |
- j_dequeue_output_buffer_method_ = GetMethodID( |
- jni, |
- *j_media_codec_video_encoder_class_, |
- "dequeueOutputBuffer", |
- "()Lorg/webrtc/MediaCodecVideoEncoder$OutputBufferInfo;"); |
- j_release_output_buffer_method_ = GetMethodID( |
- jni, *j_media_codec_video_encoder_class_, "releaseOutputBuffer", "(I)Z"); |
- |
- j_color_format_field_ = |
- GetFieldID(jni, *j_media_codec_video_encoder_class_, "colorFormat", "I"); |
- j_info_index_field_ = |
- GetFieldID(jni, j_output_buffer_info_class, "index", "I"); |
- j_info_buffer_field_ = GetFieldID( |
- jni, j_output_buffer_info_class, "buffer", "Ljava/nio/ByteBuffer;"); |
- j_info_is_key_frame_field_ = |
- GetFieldID(jni, j_output_buffer_info_class, "isKeyFrame", "Z"); |
- j_info_presentation_timestamp_us_field_ = GetFieldID( |
- jni, j_output_buffer_info_class, "presentationTimestampUs", "J"); |
- CHECK_EXCEPTION(jni) << "MediaCodecVideoEncoder ctor failed"; |
- srand(time(NULL)); |
- AllowBlockingCalls(); |
-} |
- |
-int32_t MediaCodecVideoEncoder::InitEncode( |
- const webrtc::VideoCodec* codec_settings, |
- int32_t /* number_of_cores */, |
- size_t /* max_payload_size */) { |
- const int kMinWidth = 320; |
- const int kMinHeight = 180; |
- const int kLowQpThresholdDenominator = 3; |
- if (codec_settings == NULL) { |
- ALOGE << "NULL VideoCodec instance"; |
- return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
- } |
- // Factory should guard against other codecs being used with us. |
- RTC_CHECK(codec_settings->codecType == codecType_) |
- << "Unsupported codec " << codec_settings->codecType << " for " |
- << codecType_; |
- |
- ALOGD << "InitEncode request"; |
- codec_mode_ = codec_settings->mode; |
- scale_ = (codecType_ != kVideoCodecVP9) && (webrtc::field_trial::FindFullName( |
- "WebRTC-MediaCodecVideoEncoder-AutomaticResize") == "Enabled"); |
- ALOGD << "Encoder automatic resize " << (scale_ ? "enabled" : "disabled"); |
- if (scale_) { |
- if (codecType_ == kVideoCodecVP8) { |
- // QP is obtained from VP8-bitstream for HW, so the QP corresponds to the |
- // (internal) range: [0, 127]. And we cannot change QP_max in HW, so it is |
- // always = 127. Note that in SW, QP is that of the user-level range [0, |
- // 63]. |
- const int kMaxQp = 127; |
- const int kBadQpThreshold = 95; |
- quality_scaler_.Init( |
- kMaxQp / kLowQpThresholdDenominator, kBadQpThreshold, false); |
- } else if (codecType_ == kVideoCodecH264) { |
- // H264 QP is in the range [0, 51]. |
- const int kMaxQp = 51; |
- const int kBadQpThreshold = 40; |
- quality_scaler_.Init( |
- kMaxQp / kLowQpThresholdDenominator, kBadQpThreshold, false); |
- } else { |
- // When adding codec support to additional hardware codecs, also configure |
- // their QP thresholds for scaling. |
- RTC_NOTREACHED() << "Unsupported codec without configured QP thresholds."; |
- } |
- quality_scaler_.SetMinResolution(kMinWidth, kMinHeight); |
- quality_scaler_.ReportFramerate(codec_settings->maxFramerate); |
- } |
- return codec_thread_->Invoke<int32_t>( |
- Bind(&MediaCodecVideoEncoder::InitEncodeOnCodecThread, |
- this, |
- codec_settings->width, |
- codec_settings->height, |
- codec_settings->startBitrate, |
- codec_settings->maxFramerate, |
- false /* use_surface */)); |
-} |
- |
-int32_t MediaCodecVideoEncoder::Encode( |
- const webrtc::VideoFrame& frame, |
- const webrtc::CodecSpecificInfo* /* codec_specific_info */, |
- const std::vector<webrtc::FrameType>* frame_types) { |
- return codec_thread_->Invoke<int32_t>(Bind( |
- &MediaCodecVideoEncoder::EncodeOnCodecThread, this, frame, frame_types)); |
-} |
- |
-int32_t MediaCodecVideoEncoder::RegisterEncodeCompleteCallback( |
- webrtc::EncodedImageCallback* callback) { |
- return codec_thread_->Invoke<int32_t>( |
- Bind(&MediaCodecVideoEncoder::RegisterEncodeCompleteCallbackOnCodecThread, |
- this, |
- callback)); |
-} |
- |
-int32_t MediaCodecVideoEncoder::Release() { |
- ALOGD << "EncoderRelease request"; |
- return codec_thread_->Invoke<int32_t>( |
- Bind(&MediaCodecVideoEncoder::ReleaseOnCodecThread, this)); |
-} |
- |
-int32_t MediaCodecVideoEncoder::SetChannelParameters(uint32_t /* packet_loss */, |
- int64_t /* rtt */) { |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-int32_t MediaCodecVideoEncoder::SetRates(uint32_t new_bit_rate, |
- uint32_t frame_rate) { |
- return codec_thread_->Invoke<int32_t>( |
- Bind(&MediaCodecVideoEncoder::SetRatesOnCodecThread, |
- this, |
- new_bit_rate, |
- frame_rate)); |
-} |
- |
-void MediaCodecVideoEncoder::OnMessage(rtc::Message* msg) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- |
- // We only ever send one message to |this| directly (not through a Bind()'d |
- // functor), so expect no ID/data. |
- RTC_CHECK(!msg->message_id) << "Unexpected message!"; |
- RTC_CHECK(!msg->pdata) << "Unexpected message!"; |
- if (!inited_) { |
- return; |
- } |
- |
- // It would be nice to recover from a failure here if one happened, but it's |
- // unclear how to signal such a failure to the app, so instead we stay silent |
- // about it and let the next app-called API method reveal the borkedness. |
- DeliverPendingOutputs(jni); |
- codec_thread_->PostDelayed(kMediaCodecPollMs, this); |
-} |
- |
-bool MediaCodecVideoEncoder::ResetCodecOnCodecThread() { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- ALOGE << "ResetOnCodecThread"; |
- if (ReleaseOnCodecThread() != WEBRTC_VIDEO_CODEC_OK || |
- InitEncodeOnCodecThread(width_, height_, 0, 0, false) != |
- WEBRTC_VIDEO_CODEC_OK) { |
- // TODO(fischman): wouldn't it be nice if there was a way to gracefully |
- // degrade to a SW encoder at this point? There isn't one AFAICT :( |
- // https://code.google.com/p/webrtc/issues/detail?id=2920 |
- return false; |
- } |
- return true; |
-} |
- |
-int32_t MediaCodecVideoEncoder::InitEncodeOnCodecThread( |
- int width, int height, int kbps, int fps, bool use_surface) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- RTC_CHECK(!use_surface || egl_context_ != nullptr) << "EGL context not set."; |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- |
- ALOGD << "InitEncodeOnCodecThread Type: " << (int)codecType_ << ", " << |
- width << " x " << height << ". Bitrate: " << kbps << |
- " kbps. Fps: " << fps; |
- if (kbps == 0) { |
- kbps = last_set_bitrate_kbps_; |
- } |
- if (fps == 0) { |
- fps = MAX_VIDEO_FPS; |
- } |
- |
- width_ = width; |
- height_ = height; |
- last_set_bitrate_kbps_ = kbps; |
- last_set_fps_ = (fps < MAX_VIDEO_FPS) ? fps : MAX_VIDEO_FPS; |
- yuv_size_ = width_ * height_ * 3 / 2; |
- frames_received_ = 0; |
- frames_encoded_ = 0; |
- frames_dropped_media_encoder_ = 0; |
- consecutive_full_queue_frame_drops_ = 0; |
- frames_in_queue_ = 0; |
- current_timestamp_us_ = 0; |
- stat_start_time_ms_ = GetCurrentTimeMs(); |
- current_frames_ = 0; |
- current_bytes_ = 0; |
- current_acc_qp_ = 0; |
- current_encoding_time_ms_ = 0; |
- last_input_timestamp_ms_ = -1; |
- last_output_timestamp_ms_ = -1; |
- output_timestamp_ = 0; |
- output_render_time_ms_ = 0; |
- timestamps_.clear(); |
- render_times_ms_.clear(); |
- frame_rtc_times_ms_.clear(); |
- drop_next_input_frame_ = false; |
- use_surface_ = use_surface; |
- picture_id_ = static_cast<uint16_t>(rand()) & 0x7FFF; |
- gof_.SetGofInfoVP9(webrtc::TemporalStructureMode::kTemporalStructureMode1); |
- tl0_pic_idx_ = static_cast<uint8_t>(rand()); |
- gof_idx_ = 0; |
- last_frame_received_ms_ = -1; |
- frames_received_since_last_key_ = kMinKeyFrameInterval; |
- |
- // We enforce no extra stride/padding in the format creation step. |
- jobject j_video_codec_enum = JavaEnumFromIndexAndClassName( |
- jni, "MediaCodecVideoEncoder$VideoCodecType", codecType_); |
- const bool encode_status = jni->CallBooleanMethod( |
- *j_media_codec_video_encoder_, j_init_encode_method_, |
- j_video_codec_enum, width, height, kbps, fps, |
- (use_surface ? egl_context_ : nullptr)); |
- if (!encode_status) { |
- ALOGE << "Failed to configure encoder."; |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- CHECK_EXCEPTION(jni); |
- |
- if (!use_surface) { |
- jobjectArray input_buffers = reinterpret_cast<jobjectArray>( |
- jni->CallObjectMethod(*j_media_codec_video_encoder_, |
- j_get_input_buffers_method_)); |
- CHECK_EXCEPTION(jni); |
- if (IsNull(jni, input_buffers)) { |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- |
- switch (GetIntField(jni, *j_media_codec_video_encoder_, |
- j_color_format_field_)) { |
- case COLOR_FormatYUV420Planar: |
- encoder_fourcc_ = libyuv::FOURCC_YU12; |
- break; |
- case COLOR_FormatYUV420SemiPlanar: |
- case COLOR_QCOM_FormatYUV420SemiPlanar: |
- case COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m: |
- encoder_fourcc_ = libyuv::FOURCC_NV12; |
- break; |
- default: |
- LOG(LS_ERROR) << "Wrong color format."; |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- size_t num_input_buffers = jni->GetArrayLength(input_buffers); |
- RTC_CHECK(input_buffers_.empty()) |
- << "Unexpected double InitEncode without Release"; |
- input_buffers_.resize(num_input_buffers); |
- for (size_t i = 0; i < num_input_buffers; ++i) { |
- input_buffers_[i] = |
- jni->NewGlobalRef(jni->GetObjectArrayElement(input_buffers, i)); |
- int64_t yuv_buffer_capacity = |
- jni->GetDirectBufferCapacity(input_buffers_[i]); |
- CHECK_EXCEPTION(jni); |
- RTC_CHECK(yuv_buffer_capacity >= yuv_size_) << "Insufficient capacity"; |
- } |
- } |
- |
- inited_ = true; |
- codec_thread_->PostDelayed(kMediaCodecPollMs, this); |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-int32_t MediaCodecVideoEncoder::EncodeOnCodecThread( |
- const webrtc::VideoFrame& frame, |
- const std::vector<webrtc::FrameType>* frame_types) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- |
- if (!inited_) { |
- return WEBRTC_VIDEO_CODEC_UNINITIALIZED; |
- } |
- |
- bool send_key_frame = false; |
- if (codec_mode_ == webrtc::kRealtimeVideo) { |
- ++frames_received_since_last_key_; |
- int64_t now_ms = GetCurrentTimeMs(); |
- if (last_frame_received_ms_ != -1 && |
- (now_ms - last_frame_received_ms_) > kFrameDiffThresholdMs) { |
- // Add limit to prevent triggering a key for every frame for very low |
- // framerates (e.g. if frame diff > kFrameDiffThresholdMs). |
- if (frames_received_since_last_key_ > kMinKeyFrameInterval) { |
- ALOGD << "Send key, frame diff: " << (now_ms - last_frame_received_ms_); |
- send_key_frame = true; |
- } |
- frames_received_since_last_key_ = 0; |
- } |
- last_frame_received_ms_ = now_ms; |
- } |
- |
- frames_received_++; |
- if (!DeliverPendingOutputs(jni)) { |
- if (!ResetCodecOnCodecThread()) |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- if (frames_encoded_ < kMaxEncodedLogFrames) { |
- ALOGD << "Encoder frame in # " << (frames_received_ - 1) << |
- ". TS: " << (int)(current_timestamp_us_ / 1000) << |
- ". Q: " << frames_in_queue_ << |
- ". Fps: " << last_set_fps_ << |
- ". Kbps: " << last_set_bitrate_kbps_; |
- } |
- |
- if (drop_next_input_frame_) { |
- ALOGW << "Encoder drop frame - failed callback."; |
- drop_next_input_frame_ = false; |
- current_timestamp_us_ += rtc::kNumMicrosecsPerSec / last_set_fps_; |
- frames_dropped_media_encoder_++; |
- OnDroppedFrame(); |
- return WEBRTC_VIDEO_CODEC_OK; |
- } |
- |
- RTC_CHECK(frame_types->size() == 1) << "Unexpected stream count"; |
- |
- // Check if we accumulated too many frames in encoder input buffers |
- // or the encoder latency exceeds 70 ms and drop frame if so. |
- if (frames_in_queue_ > 0 && last_input_timestamp_ms_ >= 0) { |
- int encoder_latency_ms = last_input_timestamp_ms_ - |
- last_output_timestamp_ms_; |
- if (frames_in_queue_ > MAX_ENCODER_Q_SIZE || |
- encoder_latency_ms > MAX_ENCODER_LATENCY_MS) { |
- ALOGD << "Drop frame - encoder is behind by " << encoder_latency_ms << |
- " ms. Q size: " << frames_in_queue_ << ". TS: " << |
- (int)(current_timestamp_us_ / 1000) << ". Fps: " << last_set_fps_ << |
- ". Consecutive drops: " << consecutive_full_queue_frame_drops_ ; |
- current_timestamp_us_ += rtc::kNumMicrosecsPerSec / last_set_fps_; |
- consecutive_full_queue_frame_drops_++; |
- if (consecutive_full_queue_frame_drops_ >= |
- ENCODER_STALL_FRAMEDROP_THRESHOLD) { |
- ALOGE << "Encoder got stuck. Reset."; |
- ResetCodecOnCodecThread(); |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- frames_dropped_media_encoder_++; |
- OnDroppedFrame(); |
- return WEBRTC_VIDEO_CODEC_OK; |
- } |
- } |
- consecutive_full_queue_frame_drops_ = 0; |
- |
- VideoFrame input_frame = frame; |
- if (scale_) { |
- // Check framerate before spatial resolution change. |
- quality_scaler_.OnEncodeFrame(frame); |
- const webrtc::QualityScaler::Resolution scaled_resolution = |
- quality_scaler_.GetScaledResolution(); |
- if (scaled_resolution.width != frame.width() || |
- scaled_resolution.height != frame.height()) { |
- if (frame.native_handle() != nullptr) { |
- rtc::scoped_refptr<webrtc::VideoFrameBuffer> scaled_buffer( |
- static_cast<AndroidTextureBuffer*>( |
- frame.video_frame_buffer().get())->ScaleAndRotate( |
- scaled_resolution.width, |
- scaled_resolution.height, |
- webrtc::kVideoRotation_0)); |
- input_frame.set_video_frame_buffer(scaled_buffer); |
- } else { |
- input_frame = quality_scaler_.GetScaledFrame(frame); |
- } |
- } |
- } |
- |
- if (!MaybeReconfigureEncoderOnCodecThread(input_frame)) { |
- ALOGE << "Failed to reconfigure encoder."; |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- |
- // Save time when input frame is sent to the encoder input. |
- frame_rtc_times_ms_.push_back(GetCurrentTimeMs()); |
- |
- const bool key_frame = |
- frame_types->front() != webrtc::kVideoFrameDelta || send_key_frame; |
- bool encode_status = true; |
- if (!input_frame.native_handle()) { |
- int j_input_buffer_index = jni->CallIntMethod(*j_media_codec_video_encoder_, |
- j_dequeue_input_buffer_method_); |
- CHECK_EXCEPTION(jni); |
- if (j_input_buffer_index == -1) { |
- // Video codec falls behind - no input buffer available. |
- ALOGW << "Encoder drop frame - no input buffers available"; |
- frame_rtc_times_ms_.erase(frame_rtc_times_ms_.begin()); |
- current_timestamp_us_ += rtc::kNumMicrosecsPerSec / last_set_fps_; |
- frames_dropped_media_encoder_++; |
- OnDroppedFrame(); |
- return WEBRTC_VIDEO_CODEC_OK; // TODO(fischman): see webrtc bug 2887. |
- } |
- if (j_input_buffer_index == -2) { |
- ResetCodecOnCodecThread(); |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- encode_status = EncodeByteBufferOnCodecThread(jni, key_frame, input_frame, |
- j_input_buffer_index); |
- } else { |
- encode_status = EncodeTextureOnCodecThread(jni, key_frame, input_frame); |
- } |
- |
- if (!encode_status) { |
- ALOGE << "Failed encode frame with timestamp: " << input_frame.timestamp(); |
- ResetCodecOnCodecThread(); |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- |
- last_input_timestamp_ms_ = |
- current_timestamp_us_ / rtc::kNumMicrosecsPerMillisec; |
- frames_in_queue_++; |
- |
- // Save input image timestamps for later output |
- timestamps_.push_back(input_frame.timestamp()); |
- render_times_ms_.push_back(input_frame.render_time_ms()); |
- current_timestamp_us_ += rtc::kNumMicrosecsPerSec / last_set_fps_; |
- |
- if (!DeliverPendingOutputs(jni)) { |
- ALOGE << "Failed deliver pending outputs."; |
- ResetCodecOnCodecThread(); |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-bool MediaCodecVideoEncoder::MaybeReconfigureEncoderOnCodecThread( |
- const webrtc::VideoFrame& frame) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- |
- const bool is_texture_frame = frame.native_handle() != nullptr; |
- const bool reconfigure_due_to_format = is_texture_frame != use_surface_; |
- const bool reconfigure_due_to_size = |
- frame.width() != width_ || frame.height() != height_; |
- |
- if (reconfigure_due_to_format) { |
- ALOGD << "Reconfigure encoder due to format change. " |
- << (use_surface_ ? |
- "Reconfiguring to encode from byte buffer." : |
- "Reconfiguring to encode from texture."); |
- LogStatistics(true); |
- } |
- if (reconfigure_due_to_size) { |
- ALOGW << "Reconfigure encoder due to frame resolution change from " |
- << width_ << " x " << height_ << " to " << frame.width() << " x " |
- << frame.height(); |
- LogStatistics(true); |
- width_ = frame.width(); |
- height_ = frame.height(); |
- } |
- |
- if (!reconfigure_due_to_format && !reconfigure_due_to_size) |
- return true; |
- |
- ReleaseOnCodecThread(); |
- |
- return InitEncodeOnCodecThread(width_, height_, 0, 0 , is_texture_frame) == |
- WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-bool MediaCodecVideoEncoder::EncodeByteBufferOnCodecThread(JNIEnv* jni, |
- bool key_frame, const webrtc::VideoFrame& frame, int input_buffer_index) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- RTC_CHECK(!use_surface_); |
- |
- jobject j_input_buffer = input_buffers_[input_buffer_index]; |
- uint8_t* yuv_buffer = |
- reinterpret_cast<uint8_t*>(jni->GetDirectBufferAddress(j_input_buffer)); |
- CHECK_EXCEPTION(jni); |
- RTC_CHECK(yuv_buffer) << "Indirect buffer??"; |
- RTC_CHECK(!libyuv::ConvertFromI420( |
- frame.buffer(webrtc::kYPlane), frame.stride(webrtc::kYPlane), |
- frame.buffer(webrtc::kUPlane), frame.stride(webrtc::kUPlane), |
- frame.buffer(webrtc::kVPlane), frame.stride(webrtc::kVPlane), |
- yuv_buffer, width_, width_, height_, encoder_fourcc_)) |
- << "ConvertFromI420 failed"; |
- |
- bool encode_status = jni->CallBooleanMethod(*j_media_codec_video_encoder_, |
- j_encode_buffer_method_, |
- key_frame, |
- input_buffer_index, |
- yuv_size_, |
- current_timestamp_us_); |
- CHECK_EXCEPTION(jni); |
- return encode_status; |
-} |
- |
-bool MediaCodecVideoEncoder::EncodeTextureOnCodecThread(JNIEnv* jni, |
- bool key_frame, const webrtc::VideoFrame& frame) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- RTC_CHECK(use_surface_); |
- NativeHandleImpl* handle = |
- static_cast<NativeHandleImpl*>(frame.native_handle()); |
- jfloatArray sampling_matrix = jni->NewFloatArray(16); |
- jni->SetFloatArrayRegion(sampling_matrix, 0, 16, handle->sampling_matrix); |
- |
- bool encode_status = jni->CallBooleanMethod(*j_media_codec_video_encoder_, |
- j_encode_texture_method_, |
- key_frame, |
- handle->oes_texture_id, |
- sampling_matrix, |
- current_timestamp_us_); |
- CHECK_EXCEPTION(jni); |
- return encode_status; |
-} |
- |
-int32_t MediaCodecVideoEncoder::RegisterEncodeCompleteCallbackOnCodecThread( |
- webrtc::EncodedImageCallback* callback) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- callback_ = callback; |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-int32_t MediaCodecVideoEncoder::ReleaseOnCodecThread() { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- if (!inited_) { |
- return WEBRTC_VIDEO_CODEC_OK; |
- } |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ALOGD << "EncoderReleaseOnCodecThread: Frames received: " << |
- frames_received_ << ". Encoded: " << frames_encoded_ << |
- ". Dropped: " << frames_dropped_media_encoder_; |
- ScopedLocalRefFrame local_ref_frame(jni); |
- for (size_t i = 0; i < input_buffers_.size(); ++i) |
- jni->DeleteGlobalRef(input_buffers_[i]); |
- input_buffers_.clear(); |
- jni->CallVoidMethod(*j_media_codec_video_encoder_, j_release_method_); |
- CHECK_EXCEPTION(jni); |
- rtc::MessageQueueManager::Clear(this); |
- inited_ = false; |
- use_surface_ = false; |
- ALOGD << "EncoderReleaseOnCodecThread done."; |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-int32_t MediaCodecVideoEncoder::SetRatesOnCodecThread(uint32_t new_bit_rate, |
- uint32_t frame_rate) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- frame_rate = (frame_rate < MAX_ALLOWED_VIDEO_FPS) ? |
- frame_rate : MAX_ALLOWED_VIDEO_FPS; |
- if (last_set_bitrate_kbps_ == new_bit_rate && |
- last_set_fps_ == frame_rate) { |
- return WEBRTC_VIDEO_CODEC_OK; |
- } |
- if (scale_) { |
- quality_scaler_.ReportFramerate(frame_rate); |
- } |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- if (new_bit_rate > 0) { |
- last_set_bitrate_kbps_ = new_bit_rate; |
- } |
- if (frame_rate > 0) { |
- last_set_fps_ = frame_rate; |
- } |
- bool ret = jni->CallBooleanMethod(*j_media_codec_video_encoder_, |
- j_set_rates_method_, |
- last_set_bitrate_kbps_, |
- last_set_fps_); |
- CHECK_EXCEPTION(jni); |
- if (!ret) { |
- ResetCodecOnCodecThread(); |
- return WEBRTC_VIDEO_CODEC_ERROR; |
- } |
- return WEBRTC_VIDEO_CODEC_OK; |
-} |
- |
-int MediaCodecVideoEncoder::GetOutputBufferInfoIndex( |
- JNIEnv* jni, |
- jobject j_output_buffer_info) { |
- return GetIntField(jni, j_output_buffer_info, j_info_index_field_); |
-} |
- |
-jobject MediaCodecVideoEncoder::GetOutputBufferInfoBuffer( |
- JNIEnv* jni, |
- jobject j_output_buffer_info) { |
- return GetObjectField(jni, j_output_buffer_info, j_info_buffer_field_); |
-} |
- |
-bool MediaCodecVideoEncoder::GetOutputBufferInfoIsKeyFrame( |
- JNIEnv* jni, |
- jobject j_output_buffer_info) { |
- return GetBooleanField(jni, j_output_buffer_info, j_info_is_key_frame_field_); |
-} |
- |
-jlong MediaCodecVideoEncoder::GetOutputBufferInfoPresentationTimestampUs( |
- JNIEnv* jni, |
- jobject j_output_buffer_info) { |
- return GetLongField( |
- jni, j_output_buffer_info, j_info_presentation_timestamp_us_field_); |
-} |
- |
-bool MediaCodecVideoEncoder::DeliverPendingOutputs(JNIEnv* jni) { |
- RTC_DCHECK(codec_thread_checker_.CalledOnValidThread()); |
- while (true) { |
- jobject j_output_buffer_info = jni->CallObjectMethod( |
- *j_media_codec_video_encoder_, j_dequeue_output_buffer_method_); |
- CHECK_EXCEPTION(jni); |
- if (IsNull(jni, j_output_buffer_info)) { |
- break; |
- } |
- |
- int output_buffer_index = |
- GetOutputBufferInfoIndex(jni, j_output_buffer_info); |
- if (output_buffer_index == -1) { |
- ResetCodecOnCodecThread(); |
- return false; |
- } |
- |
- // Get key and config frame flags. |
- jobject j_output_buffer = |
- GetOutputBufferInfoBuffer(jni, j_output_buffer_info); |
- bool key_frame = GetOutputBufferInfoIsKeyFrame(jni, j_output_buffer_info); |
- |
- // Get frame timestamps from a queue - for non config frames only. |
- int64_t frame_encoding_time_ms = 0; |
- last_output_timestamp_ms_ = |
- GetOutputBufferInfoPresentationTimestampUs(jni, j_output_buffer_info) / |
- 1000; |
- if (frames_in_queue_ > 0) { |
- output_timestamp_ = timestamps_.front(); |
- timestamps_.erase(timestamps_.begin()); |
- output_render_time_ms_ = render_times_ms_.front(); |
- render_times_ms_.erase(render_times_ms_.begin()); |
- frame_encoding_time_ms = GetCurrentTimeMs() - frame_rtc_times_ms_.front(); |
- frame_rtc_times_ms_.erase(frame_rtc_times_ms_.begin()); |
- frames_in_queue_--; |
- } |
- |
- // Extract payload. |
- size_t payload_size = jni->GetDirectBufferCapacity(j_output_buffer); |
- uint8_t* payload = reinterpret_cast<uint8_t*>( |
- jni->GetDirectBufferAddress(j_output_buffer)); |
- CHECK_EXCEPTION(jni); |
- |
- if (frames_encoded_ < kMaxEncodedLogFrames) { |
- int current_latency = |
- (int)(last_input_timestamp_ms_ - last_output_timestamp_ms_); |
- ALOGD << "Encoder frame out # " << frames_encoded_ << |
- ". Key: " << key_frame << |
- ". Size: " << payload_size << |
- ". TS: " << (int)last_output_timestamp_ms_ << |
- ". Latency: " << current_latency << |
- ". EncTime: " << frame_encoding_time_ms; |
- } |
- |
- // Callback - return encoded frame. |
- int32_t callback_status = 0; |
- if (callback_) { |
- scoped_ptr<webrtc::EncodedImage> image( |
- new webrtc::EncodedImage(payload, payload_size, payload_size)); |
- image->_encodedWidth = width_; |
- image->_encodedHeight = height_; |
- image->_timeStamp = output_timestamp_; |
- image->capture_time_ms_ = output_render_time_ms_; |
- image->_frameType = |
- (key_frame ? webrtc::kVideoFrameKey : webrtc::kVideoFrameDelta); |
- image->_completeFrame = true; |
- image->adapt_reason_.quality_resolution_downscales = |
- scale_ ? quality_scaler_.downscale_shift() : -1; |
- |
- webrtc::CodecSpecificInfo info; |
- memset(&info, 0, sizeof(info)); |
- info.codecType = codecType_; |
- if (codecType_ == kVideoCodecVP8) { |
- info.codecSpecific.VP8.pictureId = picture_id_; |
- info.codecSpecific.VP8.nonReference = false; |
- info.codecSpecific.VP8.simulcastIdx = 0; |
- info.codecSpecific.VP8.temporalIdx = webrtc::kNoTemporalIdx; |
- info.codecSpecific.VP8.layerSync = false; |
- info.codecSpecific.VP8.tl0PicIdx = webrtc::kNoTl0PicIdx; |
- info.codecSpecific.VP8.keyIdx = webrtc::kNoKeyIdx; |
- } else if (codecType_ == kVideoCodecVP9) { |
- if (key_frame) { |
- gof_idx_ = 0; |
- } |
- info.codecSpecific.VP9.picture_id = picture_id_; |
- info.codecSpecific.VP9.inter_pic_predicted = key_frame ? false : true; |
- info.codecSpecific.VP9.flexible_mode = false; |
- info.codecSpecific.VP9.ss_data_available = key_frame ? true : false; |
- info.codecSpecific.VP9.tl0_pic_idx = tl0_pic_idx_++; |
- info.codecSpecific.VP9.temporal_idx = webrtc::kNoTemporalIdx; |
- info.codecSpecific.VP9.spatial_idx = webrtc::kNoSpatialIdx; |
- info.codecSpecific.VP9.temporal_up_switch = true; |
- info.codecSpecific.VP9.inter_layer_predicted = false; |
- info.codecSpecific.VP9.gof_idx = |
- static_cast<uint8_t>(gof_idx_++ % gof_.num_frames_in_gof); |
- info.codecSpecific.VP9.num_spatial_layers = 1; |
- info.codecSpecific.VP9.spatial_layer_resolution_present = false; |
- if (info.codecSpecific.VP9.ss_data_available) { |
- info.codecSpecific.VP9.spatial_layer_resolution_present = true; |
- info.codecSpecific.VP9.width[0] = width_; |
- info.codecSpecific.VP9.height[0] = height_; |
- info.codecSpecific.VP9.gof.CopyGofInfoVP9(gof_); |
- } |
- } |
- picture_id_ = (picture_id_ + 1) & 0x7FFF; |
- |
- // Generate a header describing a single fragment. |
- webrtc::RTPFragmentationHeader header; |
- memset(&header, 0, sizeof(header)); |
- if (codecType_ == kVideoCodecVP8 || codecType_ == kVideoCodecVP9) { |
- header.VerifyAndAllocateFragmentationHeader(1); |
- header.fragmentationOffset[0] = 0; |
- header.fragmentationLength[0] = image->_length; |
- header.fragmentationPlType[0] = 0; |
- header.fragmentationTimeDiff[0] = 0; |
- if (codecType_ == kVideoCodecVP8 && scale_) { |
- int qp; |
- if (webrtc::vp8::GetQp(payload, payload_size, &qp)) { |
- current_acc_qp_ += qp; |
- quality_scaler_.ReportQP(qp); |
- } |
- } |
- } else if (codecType_ == kVideoCodecH264) { |
- if (scale_) { |
- h264_bitstream_parser_.ParseBitstream(payload, payload_size); |
- int qp; |
- if (h264_bitstream_parser_.GetLastSliceQp(&qp)) { |
- current_acc_qp_ += qp; |
- quality_scaler_.ReportQP(qp); |
- } |
- } |
- // For H.264 search for start codes. |
- int32_t scPositions[MAX_NALUS_PERFRAME + 1] = {}; |
- int32_t scPositionsLength = 0; |
- int32_t scPosition = 0; |
- while (scPositionsLength < MAX_NALUS_PERFRAME) { |
- int32_t naluPosition = NextNaluPosition( |
- payload + scPosition, payload_size - scPosition); |
- if (naluPosition < 0) { |
- break; |
- } |
- scPosition += naluPosition; |
- scPositions[scPositionsLength++] = scPosition; |
- scPosition += H264_SC_LENGTH; |
- } |
- if (scPositionsLength == 0) { |
- ALOGE << "Start code is not found!"; |
- ALOGE << "Data:" << image->_buffer[0] << " " << image->_buffer[1] |
- << " " << image->_buffer[2] << " " << image->_buffer[3] |
- << " " << image->_buffer[4] << " " << image->_buffer[5]; |
- ResetCodecOnCodecThread(); |
- return false; |
- } |
- scPositions[scPositionsLength] = payload_size; |
- header.VerifyAndAllocateFragmentationHeader(scPositionsLength); |
- for (size_t i = 0; i < scPositionsLength; i++) { |
- header.fragmentationOffset[i] = scPositions[i] + H264_SC_LENGTH; |
- header.fragmentationLength[i] = |
- scPositions[i + 1] - header.fragmentationOffset[i]; |
- header.fragmentationPlType[i] = 0; |
- header.fragmentationTimeDiff[i] = 0; |
- } |
- } |
- |
- callback_status = callback_->Encoded(*image, &info, &header); |
- } |
- |
- // Return output buffer back to the encoder. |
- bool success = jni->CallBooleanMethod(*j_media_codec_video_encoder_, |
- j_release_output_buffer_method_, |
- output_buffer_index); |
- CHECK_EXCEPTION(jni); |
- if (!success) { |
- ResetCodecOnCodecThread(); |
- return false; |
- } |
- |
- // Calculate and print encoding statistics - every 3 seconds. |
- frames_encoded_++; |
- current_frames_++; |
- current_bytes_ += payload_size; |
- current_encoding_time_ms_ += frame_encoding_time_ms; |
- LogStatistics(false); |
- |
- if (callback_status > 0) { |
- drop_next_input_frame_ = true; |
- // Theoretically could handle callback_status<0 here, but unclear what |
- // that would mean for us. |
- } |
- } |
- return true; |
-} |
- |
-void MediaCodecVideoEncoder::LogStatistics(bool force_log) { |
- int statistic_time_ms = GetCurrentTimeMs() - stat_start_time_ms_; |
- if ((statistic_time_ms >= kMediaCodecStatisticsIntervalMs || force_log) && |
- current_frames_ > 0 && statistic_time_ms > 0) { |
- int current_bitrate = current_bytes_ * 8 / statistic_time_ms; |
- int current_fps = |
- (current_frames_ * 1000 + statistic_time_ms / 2) / statistic_time_ms; |
- ALOGD << "Encoded frames: " << frames_encoded_ << |
- ". Bitrate: " << current_bitrate << |
- ", target: " << last_set_bitrate_kbps_ << " kbps" << |
- ", fps: " << current_fps << |
- ", encTime: " << (current_encoding_time_ms_ / current_frames_) << |
- ". QP: " << (current_acc_qp_ / current_frames_) << |
- " for last " << statistic_time_ms << " ms."; |
- stat_start_time_ms_ = GetCurrentTimeMs(); |
- current_frames_ = 0; |
- current_bytes_ = 0; |
- current_acc_qp_ = 0; |
- current_encoding_time_ms_ = 0; |
- } |
-} |
- |
-int32_t MediaCodecVideoEncoder::NextNaluPosition( |
- uint8_t *buffer, size_t buffer_size) { |
- if (buffer_size < H264_SC_LENGTH) { |
- return -1; |
- } |
- uint8_t *head = buffer; |
- // Set end buffer pointer to 4 bytes before actual buffer end so we can |
- // access head[1], head[2] and head[3] in a loop without buffer overrun. |
- uint8_t *end = buffer + buffer_size - H264_SC_LENGTH; |
- |
- while (head < end) { |
- if (head[0]) { |
- head++; |
- continue; |
- } |
- if (head[1]) { // got 00xx |
- head += 2; |
- continue; |
- } |
- if (head[2]) { // got 0000xx |
- head += 3; |
- continue; |
- } |
- if (head[3] != 0x01) { // got 000000xx |
- head++; // xx != 1, continue searching. |
- continue; |
- } |
- return (int32_t)(head - buffer); |
- } |
- return -1; |
-} |
- |
-void MediaCodecVideoEncoder::OnDroppedFrame() { |
- // Report dropped frame to quality_scaler_. |
- if (scale_) |
- quality_scaler_.ReportDroppedFrame(); |
-} |
- |
-int MediaCodecVideoEncoder::GetTargetFramerate() { |
- return scale_ ? quality_scaler_.GetTargetFramerate() : -1; |
-} |
- |
-const char* MediaCodecVideoEncoder::ImplementationName() const { |
- return "MediaCodec"; |
-} |
- |
-MediaCodecVideoEncoderFactory::MediaCodecVideoEncoderFactory() { |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- jclass j_encoder_class = FindClass(jni, "org/webrtc/MediaCodecVideoEncoder"); |
- supported_codecs_.clear(); |
- |
- bool is_vp8_hw_supported = jni->CallStaticBooleanMethod( |
- j_encoder_class, |
- GetStaticMethodID(jni, j_encoder_class, "isVp8HwSupported", "()Z")); |
- CHECK_EXCEPTION(jni); |
- if (is_vp8_hw_supported) { |
- ALOGD << "VP8 HW Encoder supported."; |
- supported_codecs_.push_back(VideoCodec(kVideoCodecVP8, "VP8", |
- MAX_VIDEO_WIDTH, MAX_VIDEO_HEIGHT, MAX_VIDEO_FPS)); |
- } |
- |
- bool is_vp9_hw_supported = jni->CallStaticBooleanMethod( |
- j_encoder_class, |
- GetStaticMethodID(jni, j_encoder_class, "isVp9HwSupported", "()Z")); |
- CHECK_EXCEPTION(jni); |
- if (is_vp9_hw_supported) { |
- ALOGD << "VP9 HW Encoder supported."; |
- supported_codecs_.push_back(VideoCodec(kVideoCodecVP9, "VP9", |
- MAX_VIDEO_WIDTH, MAX_VIDEO_HEIGHT, MAX_VIDEO_FPS)); |
- } |
- |
- bool is_h264_hw_supported = jni->CallStaticBooleanMethod( |
- j_encoder_class, |
- GetStaticMethodID(jni, j_encoder_class, "isH264HwSupported", "()Z")); |
- CHECK_EXCEPTION(jni); |
- if (is_h264_hw_supported) { |
- ALOGD << "H.264 HW Encoder supported."; |
- supported_codecs_.push_back(VideoCodec(kVideoCodecH264, "H264", |
- MAX_VIDEO_WIDTH, MAX_VIDEO_HEIGHT, MAX_VIDEO_FPS)); |
- } |
-} |
- |
-MediaCodecVideoEncoderFactory::~MediaCodecVideoEncoderFactory() { |
- ALOGD << "MediaCodecVideoEncoderFactory dtor"; |
-} |
- |
-void MediaCodecVideoEncoderFactory::SetEGLContext( |
- JNIEnv* jni, jobject render_egl_context) { |
- ALOGD << "MediaCodecVideoEncoderFactory::SetEGLContext"; |
- if (!egl_base_.CreateEglBase(jni, render_egl_context)) { |
- ALOGW << "Invalid EGL context - HW surface encoding is disabled."; |
- } |
-} |
- |
-webrtc::VideoEncoder* MediaCodecVideoEncoderFactory::CreateVideoEncoder( |
- VideoCodecType type) { |
- if (supported_codecs_.empty()) { |
- ALOGW << "No HW video encoder for type " << (int)type; |
- return nullptr; |
- } |
- for (std::vector<VideoCodec>::const_iterator it = supported_codecs_.begin(); |
- it != supported_codecs_.end(); ++it) { |
- if (it->type == type) { |
- ALOGD << "Create HW video encoder for type " << (int)type << |
- " (" << it->name << ")."; |
- return new MediaCodecVideoEncoder(AttachCurrentThreadIfNeeded(), type, |
- egl_base_.egl_base_context()); |
- } |
- } |
- ALOGW << "Can not find HW video encoder for type " << (int)type; |
- return nullptr; |
-} |
- |
-const std::vector<MediaCodecVideoEncoderFactory::VideoCodec>& |
-MediaCodecVideoEncoderFactory::codecs() const { |
- return supported_codecs_; |
-} |
- |
-void MediaCodecVideoEncoderFactory::DestroyVideoEncoder( |
- webrtc::VideoEncoder* encoder) { |
- ALOGD << "Destroy video encoder."; |
- delete encoder; |
-} |
- |
-} // namespace webrtc_jni |
- |