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/*
* Copyright (C) 2014 Yuya Tanaka
*
* 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.
*/
package net.ypresto.androidtranscoder.format;
public class MediaFormatStrategyPresets {
public static final int AUDIO_BITRATE_AS_IS = -1;
public static final int AUDIO_CHANNELS_AS_IS = -1;
/**
* @deprecated Use {@link #createExportPreset960x540Strategy()}.
*/
@Deprecated
public static final MediaFormatStrategy EXPORT_PRESET_960x540 = new ExportPreset960x540Strategy();
/**
* Standard preset
*
* @param bitrate Preferred bitrate for video encoding.
*/
public static MediaFormatStrategy createAndroidStandardStrategy(int bitrate, int resolution) {
return new AndroidStandardFormatStrategy(bitrate, resolution);
}
/**
* Preset based on Nexus 4 camera recording with 720p quality.
* This preset is ensured to work on any Android >=4.3 devices by Android CTS (if codec is available).
* Default bitrate is 8Mbps. {@link #createAndroid720pStrategy(int)} to specify bitrate.
*/
public static MediaFormatStrategy createAndroid720pStrategy() {
return new Android720pFormatStrategy();
}
/**
* Preset based on Nexus 4 camera recording with 720p quality.
* This preset is ensured to work on any Android >=4.3 devices by Android CTS (if codec is available).
* Audio track will be copied as-is.
*
* @param bitrate Preferred bitrate for video encoding.
*/
public static MediaFormatStrategy createAndroid720pStrategy(int bitrate) {
return new Android720pFormatStrategy(bitrate);
}
/**
* Preset based on Nexus 4 camera recording with 720p quality.
* This preset is ensured to work on any Android >=4.3 devices by Android CTS (if codec is available).
* <br>
* Note: audio transcoding is experimental feature.
*
* @param bitrate Preferred bitrate for video encoding.
* @param audioBitrate Preferred bitrate for audio encoding.
* @param audioChannels Output audio channels.
*/
public static MediaFormatStrategy createAndroid720pStrategy(int bitrate, int audioBitrate, int audioChannels) {
return new Android720pFormatStrategy(bitrate, audioBitrate, audioChannels);
}
/**
* Preset similar to iOS SDK's AVAssetExportPreset960x540.
* Note that encoding resolutions of this preset are not supported in all devices e.g. Nexus 4.
* On unsupported device encoded video stream will be broken without any exception.
*/
public static MediaFormatStrategy createExportPreset960x540Strategy() {
return new ExportPreset960x540Strategy();
}
private MediaFormatStrategyPresets() {
}
}
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