06aa209645
This is implemented by allowing users to set two different aspect ratios, one for landscape input and one for portrait input. This extra control might be useful in other scenarios as well. Bug: webrtc:9903 Change-Id: I91676737f4aa1f5d94cfe79ac51d5f866779945b Reviewed-on: https://webrtc-review.googlesource.com/c/108086 Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25387}
63 lines
2.4 KiB
Java
63 lines
2.4 KiB
Java
/*
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* Copyright 2013 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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package org.webrtc;
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import javax.annotation.Nullable;
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/**
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* Java wrapper of native AndroidVideoTrackSource.
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*/
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public class VideoSource extends MediaSource {
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private final NativeCapturerObserver capturerObserver;
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public VideoSource(long nativeSource) {
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super(nativeSource);
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this.capturerObserver = new NativeCapturerObserver(nativeGetInternalSource(nativeSource));
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}
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/**
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* Calling this function will cause frames to be scaled down to the requested resolution. Also,
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* frames will be cropped to match the requested aspect ratio, and frames will be dropped to match
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* the requested fps. The requested aspect ratio is orientation agnostic and will be adjusted to
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* maintain the input orientation, so it doesn't matter if e.g. 1280x720 or 720x1280 is requested.
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*/
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public void adaptOutputFormat(int width, int height, int fps) {
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final int maxSide = Math.max(width, height);
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final int minSide = Math.min(width, height);
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adaptOutputFormat(maxSide, minSide, minSide, maxSide, fps);
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}
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/**
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* Same as above, but allows setting two different target resolutions depending on incoming
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* frame orientation. This gives more fine-grained control and can e.g. be used to force landscape
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* video to be cropped to portrait video.
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*/
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public void adaptOutputFormat(
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int landscapeWidth, int landscapeHeight, int portraitWidth, int portraitHeight, int fps) {
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nativeAdaptOutputFormat(getNativeVideoTrackSource(), landscapeWidth, landscapeHeight,
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portraitWidth, portraitHeight, fps);
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}
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public CapturerObserver getCapturerObserver() {
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return capturerObserver;
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}
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/** Returns a pointer to webrtc::VideoTrackSourceInterface. */
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long getNativeVideoTrackSource() {
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return getNativeMediaSource();
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}
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// Returns source->internal() from webrtc::VideoTrackSourceProxy.
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private static native long nativeGetInternalSource(long source);
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private static native void nativeAdaptOutputFormat(long source, int landscapeWidth,
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int landscapeHeight, int portraitWidth, int portraitHeight, int fps);
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}
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