mirror of https://github.com/NekoX-Dev/NekoX.git
53 lines
2.3 KiB
Java
53 lines
2.3 KiB
Java
/*
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* Copyright 2017 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 java.util.Map;
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import java.util.HashMap;
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/** Container for static helper functions related to dealing with H264 codecs. */
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class H264Utils {
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public static final String H264_FMTP_PROFILE_LEVEL_ID = "profile-level-id";
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public static final String H264_FMTP_LEVEL_ASYMMETRY_ALLOWED = "level-asymmetry-allowed";
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public static final String H264_FMTP_PACKETIZATION_MODE = "packetization-mode";
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public static final String H264_PROFILE_CONSTRAINED_BASELINE = "42e0";
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public static final String H264_PROFILE_CONSTRAINED_HIGH = "640c";
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public static final String H264_LEVEL_3_1 = "1f"; // 31 in hex.
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public static final String H264_CONSTRAINED_HIGH_3_1 =
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H264_PROFILE_CONSTRAINED_HIGH + H264_LEVEL_3_1;
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public static final String H264_CONSTRAINED_BASELINE_3_1 =
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H264_PROFILE_CONSTRAINED_BASELINE + H264_LEVEL_3_1;
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public static Map<String, String> getDefaultH264Params(boolean isHighProfile) {
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final Map<String, String> params = new HashMap<>();
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params.put(VideoCodecInfo.H264_FMTP_LEVEL_ASYMMETRY_ALLOWED, "1");
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params.put(VideoCodecInfo.H264_FMTP_PACKETIZATION_MODE, "1");
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params.put(VideoCodecInfo.H264_FMTP_PROFILE_LEVEL_ID,
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isHighProfile ? VideoCodecInfo.H264_CONSTRAINED_HIGH_3_1
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: VideoCodecInfo.H264_CONSTRAINED_BASELINE_3_1);
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return params;
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}
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public static VideoCodecInfo DEFAULT_H264_BASELINE_PROFILE_CODEC =
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new VideoCodecInfo("H264", getDefaultH264Params(/* isHighProfile= */ false));
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public static VideoCodecInfo DEFAULT_H264_HIGH_PROFILE_CODEC =
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new VideoCodecInfo("H264", getDefaultH264Params(/* isHighProfile= */ true));
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public static boolean isSameH264Profile(
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Map<String, String> params1, Map<String, String> params2) {
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return nativeIsSameH264Profile(params1, params2);
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}
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private static native boolean nativeIsSameH264Profile(
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Map<String, String> params1, Map<String, String> params2);
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}
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