/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "avmeta_sinkprovider.h"
#include "avmetadatahelper.h"
#include "media_log.h"
#include "media_errors.h"

namespace {
    constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN, "AVMetaSinkProvider"};
}

namespace OHOS {
namespace Media {
AVMetaSinkProvider::AVMetaSinkProvider(int32_t usage) : usage_(usage)
{
    MEDIA_LOGD("enter ctor, instance: 0x%{public}06" PRIXPTR ", usage: %{public}d", FAKE_POINTER(this), usage_);
}

AVMetaSinkProvider::~AVMetaSinkProvider()
{
    MEDIA_LOGD("enter dtor, instance: 0x%{public}06" PRIXPTR "", FAKE_POINTER(this));
    if (audSink_ != nullptr) {
        gst_object_unref(audSink_);
        audSink_ = nullptr;
    }
    if (vidSink_ != nullptr) {
        gst_object_unref(vidSink_);
        vidSink_ = nullptr;
    }
}

PlayBinSinkProvider::SinkPtr AVMetaSinkProvider::CreateAudioSink()
{
    if (audSink_ != nullptr) {
        gst_object_unref(audSink_);
        audSink_ = nullptr;
    }

    audSink_ = GST_ELEMENT_CAST(gst_object_ref_sink(gst_element_factory_make("fakesink", "avmeta_aud_sink")));
    CHECK_AND_RETURN_RET_LOG(audSink_ != nullptr, nullptr, "audsink is nullptr");

    return audSink_;
}

PlayBinSinkProvider::SinkPtr AVMetaSinkProvider::CreateVideoSink()
{
    if (vidSink_ == nullptr) {
        if (usage_ == AVMetadataUsage::AV_META_USAGE_META_ONLY) {
            vidSink_ = GST_ELEMENT_CAST(gst_object_ref_sink(gst_element_factory_make("fakesink", "avmeta_vid_sink")));
        } else {
            vidSink_ = GST_ELEMENT_CAST(gst_object_ref_sink(gst_element_factory_make("appsink", "avmeta_vid_sink")));
        }
    }
    
    CHECK_AND_RETURN_RET_LOG(vidSink_ != nullptr, vidSink_, "vidsink is nullptr");

    return vidSink_;
}
} // namespace Media
} // namespace OHOS