| /* |
| * Copyright 2017 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. |
| */ |
| |
| #include "webrtc/sdk/android/src/jni/videoencoderfactorywrapper.h" |
| |
| #include "webrtc/api/video_codecs/video_encoder.h" |
| #include "webrtc/common_types.h" |
| #include "webrtc/rtc_base/logging.h" |
| #include "webrtc/sdk/android/src/jni/classreferenceholder.h" |
| #include "webrtc/sdk/android/src/jni/videoencoderwrapper.h" |
| |
| namespace webrtc { |
| namespace jni { |
| |
| VideoEncoderFactoryWrapper::VideoEncoderFactoryWrapper(JNIEnv* jni, |
| jobject encoder_factory) |
| : video_codec_info_class_(jni, FindClass(jni, "org/webrtc/VideoCodecInfo")), |
| hash_map_class_(jni, jni->FindClass("java/util/HashMap")), |
| encoder_factory_(jni, encoder_factory) { |
| jclass encoder_factory_class = jni->GetObjectClass(*encoder_factory_); |
| create_encoder_method_ = jni->GetMethodID( |
| encoder_factory_class, "createEncoder", |
| "(Lorg/webrtc/VideoCodecInfo;)Lorg/webrtc/VideoEncoder;"); |
| get_supported_codecs_method_ = |
| jni->GetMethodID(encoder_factory_class, "getSupportedCodecs", |
| "()[Lorg/webrtc/VideoCodecInfo;"); |
| |
| video_codec_info_constructor_ = |
| jni->GetMethodID(*video_codec_info_class_, "<init>", |
| "(ILjava/lang/String;Ljava/util/Map;)V"); |
| payload_field_ = jni->GetFieldID(*video_codec_info_class_, "payload", "I"); |
| name_field_ = |
| jni->GetFieldID(*video_codec_info_class_, "name", "Ljava/lang/String;"); |
| params_field_ = |
| jni->GetFieldID(*video_codec_info_class_, "params", "Ljava/util/Map;"); |
| |
| hash_map_constructor_ = jni->GetMethodID(*hash_map_class_, "<init>", "()V"); |
| put_method_ = jni->GetMethodID( |
| *hash_map_class_, "put", |
| "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); |
| |
| supported_codecs_ = GetSupportedCodecs(jni); |
| } |
| |
| VideoEncoder* VideoEncoderFactoryWrapper::CreateVideoEncoder( |
| const cricket::VideoCodec& codec) { |
| JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
| ScopedLocalRefFrame local_ref_frame(jni); |
| jobject j_codec_info = ToJavaCodecInfo(jni, codec); |
| jobject encoder = jni->CallObjectMethod(*encoder_factory_, |
| create_encoder_method_, j_codec_info); |
| return encoder != nullptr ? new VideoEncoderWrapper(jni, encoder) : nullptr; |
| } |
| |
| jobject VideoEncoderFactoryWrapper::ToJavaCodecInfo( |
| JNIEnv* jni, |
| const cricket::VideoCodec& codec) { |
| jobject j_params = jni->NewObject(*hash_map_class_, hash_map_constructor_); |
| for (auto const& param : codec.params) { |
| jni->CallObjectMethod(j_params, put_method_, |
| JavaStringFromStdString(jni, param.first), |
| JavaStringFromStdString(jni, param.second)); |
| } |
| return jni->NewObject(*video_codec_info_class_, video_codec_info_constructor_, |
| codec.id, JavaStringFromStdString(jni, codec.name), |
| j_params); |
| } |
| |
| std::vector<cricket::VideoCodec> VideoEncoderFactoryWrapper::GetSupportedCodecs( |
| JNIEnv* jni) const { |
| const jobjectArray j_supported_codecs = static_cast<jobjectArray>( |
| jni->CallObjectMethod(*encoder_factory_, get_supported_codecs_method_)); |
| const jsize supported_codecs_count = jni->GetArrayLength(j_supported_codecs); |
| |
| std::vector<cricket::VideoCodec> supported_codecs; |
| supported_codecs.resize(supported_codecs_count); |
| for (jsize i = 0; i < supported_codecs_count; i++) { |
| jobject j_supported_codec = |
| jni->GetObjectArrayElement(j_supported_codecs, i); |
| int payload = jni->GetIntField(j_supported_codec, payload_field_); |
| jobject j_params = jni->GetObjectField(j_supported_codec, params_field_); |
| jstring j_name = static_cast<jstring>( |
| jni->GetObjectField(j_supported_codec, name_field_)); |
| supported_codecs[i] = |
| cricket::VideoCodec(payload, JavaToStdString(jni, j_name)); |
| supported_codecs[i].params = JavaToStdMapStrings(jni, j_params); |
| } |
| return supported_codecs; |
| } |
| |
| void VideoEncoderFactoryWrapper::DestroyVideoEncoder(VideoEncoder* encoder) { |
| delete encoder; |
| } |
| |
| } // namespace jni |
| } // namespace webrtc |