Add methods for apex to create codec with uid/pid. (efd1c5cd) · Commits · e / os / android_frameworks_av

media/ndk/Android.bp

+4 −1

Original line number	Diff line number	Diff line
		@@ -116,7 +116,10 @@ cc_library_shared {

		export_header_lib_headers: ["jni_headers"],

		export_include_dirs: ["include"],
		export_include_dirs: [
		"include",
		"include_platform",
		],

		export_shared_lib_headers: [
		"libgui",

media/ndk/NdkMediaCodec.cpp

+43 −7

Original line number	Diff line number	Diff line
		@@ -19,7 +19,7 @@
		//#define LOG_NDEBUG 0
		#define LOG_TAG "NdkMediaCodec"

		#include <media/NdkMediaCodec.h>
		#include <media/NdkMediaCodecPlatform.h>
		#include <media/NdkMediaError.h>
		#include <media/NdkMediaFormatPriv.h>
		#include "NdkMediaCryptoPriv.h"
		@@ -312,7 +312,11 @@ static void requestActivityNotification(AMediaCodec *codec) {

		extern "C" {

		static AMediaCodec * createAMediaCodec(const char *name, bool name_is_type, bool encoder) {
		static AMediaCodec * createAMediaCodec(const char *name,
		bool name_is_type,
		bool encoder,
		pid_t pid = android::MediaCodec::kNoPid,
		uid_t uid = android::MediaCodec::kNoUid) {
		AMediaCodec *mData = new AMediaCodec();
		mData->mLooper = new ALooper;
		mData->mLooper->setName("NDK MediaCodec_looper");
		@@ -326,9 +330,20 @@ static AMediaCodec * createAMediaCodec(const char *name, bool name_is_type, bool
		return NULL;
		}
		if (name_is_type) {
		mData->mCodec = android::MediaCodec::CreateByType(mData->mLooper, name, encoder);
		mData->mCodec = android::MediaCodec::CreateByType(
		mData->mLooper,
		name,
		encoder,
		nullptr /* err */,
		pid,
		uid);
		} else {
		mData->mCodec = android::MediaCodec::CreateByComponentName(mData->mLooper, name);
		mData->mCodec = android::MediaCodec::CreateByComponentName(
		mData->mLooper,
		name,
		nullptr /* err */,
		pid,
		uid);
		}
		if (mData->mCodec == NULL) { // failed to create codec
		AMediaCodec_delete(mData);
		@@ -348,17 +363,38 @@ static AMediaCodec * createAMediaCodec(const char *name, bool name_is_type, bool

		EXPORT
		AMediaCodec* AMediaCodec_createCodecByName(const char *name) {
		return createAMediaCodec(name, false, false);
		return createAMediaCodec(name, false /* name_is_type /, false / encoder */);
		}

		EXPORT
		AMediaCodec* AMediaCodec_createDecoderByType(const char *mime_type) {
		return createAMediaCodec(mime_type, true, false);
		return createAMediaCodec(mime_type, true /* name_is_type /, false / encoder */);
		}

		EXPORT
		AMediaCodec* AMediaCodec_createEncoderByType(const char *name) {
		return createAMediaCodec(name, true, true);
		return createAMediaCodec(name, true /* name_is_type /, true / encoder */);
		}

		EXPORT
		AMediaCodec* AMediaCodec_createCodecByNameForClient(const char *name,
		pid_t pid,
		uid_t uid) {
		return createAMediaCodec(name, false /* name_is_type /, false / encoder */, pid, uid);
		}

		EXPORT
		AMediaCodec* AMediaCodec_createDecoderByTypeForClient(const char *mime_type,
		pid_t pid,
		uid_t uid) {
		return createAMediaCodec(mime_type, true /* name_is_type /, false / encoder */, pid, uid);
		}

		EXPORT
		AMediaCodec* AMediaCodec_createEncoderByTypeForClient(const char *name,
		pid_t pid,
		uid_t uid) {
		return createAMediaCodec(name, true /* name_is_type /, true / encoder */, pid, uid);
		}

		EXPORT

media/ndk/include_platform/media/NdkMediaCodecPlatform.h

0 → 100644

+100 −0

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		/*
		* Copyright (C) 2020 The Android Open Source Project
		*
		* 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.
		*/

		#ifndef _NDK_MEDIA_CODEC_PLATFORM_H
		#define _NDK_MEDIA_CODEC_PLATFORM_H

		#include <stdint.h>
		#include <sys/cdefs.h>

		#include <media/NdkMediaCodec.h>

		__BEGIN_DECLS

		/**
		* Special uid and pid values used with AMediaCodec_createCodecByNameForClient,
		* AMediaCodec_createDecoderByTypeForClient and AMediaCodec_createEncoderByTypeForClient.
		*
		* Introduced in API 31.
		*/
		enum {
		/**
		* Uid value to indicate using calling uid.
		*/
		AMEDIACODEC_CALLING_UID = -1,
		/**
		* Pid value to indicate using calling pid.
		*/
		AMEDIACODEC_CALLING_PID = -1,
		};

		#if __ANDROID_API__ >= 31

		/**
		* Create codec by name on behalf of a client.
		*
		* The usage is similar to AMediaCodec_createCodecByName(), except that the codec instance
		* will be attributed to the client of {uid, pid}, instead of the caller.
		*
		* Only certain privileged users are allowed to specify {uid, pid} that's different from the
		* caller's. Without the privilege, this API will behave the same as
		* AMediaCodec_createCodecByName().
		*
		* Available since API level 31.
		*/
		AMediaCodec* AMediaCodec_createCodecByNameForClient(const char *name,
		pid_t pid,
		uid_t uid) __INTRODUCED_IN(31);

		/**
		* Create codec by mime type on behalf of a client.
		*
		* The usage is similar to AMediaCodec_createDecoderByType(), except that the codec instance
		* will be attributed to the client of {uid, pid}, instead of the caller.
		*
		* Only certain privileged users are allowed to specify {uid, pid} that's different from the
		* caller's. Without the privilege, this API will behave the same as
		* AMediaCodec_createDecoderByType().
		*
		* Available since API level 31.
		*/
		AMediaCodec* AMediaCodec_createDecoderByTypeForClient(const char *mime_type,
		pid_t pid,
		uid_t uid) __INTRODUCED_IN(31);

		/**
		* Create encoder by name on behalf of a client.
		*
		* The usage is similar to AMediaCodec_createEncoderByType(), except that the codec instance
		* will be attributed to the client of {uid, pid}, instead of the caller.
		*
		* Only certain privileged users are allowed to specify {uid, pid} that's different from the
		* caller's. Without the privilege, this API will behave the same as
		* AMediaCodec_createEncoderByType().
		*
		* Available since API level 31.
		*/
		AMediaCodec* AMediaCodec_createEncoderByTypeForClient(const char *mime_type,
		pid_t pid,
		uid_t uid) __INTRODUCED_IN(31);

		#endif // __ANDROID_API__ >= 31

		__END_DECLS

		#endif //_NDK_MEDIA_CODEC_PLATFORM_H

		/** @} */

media/ndk/libmediandk.map.txt

+3 −0

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		@@ -165,8 +165,11 @@ LIBMEDIANDK {
		AMediaCodecCryptoInfo_setPattern; # introduced=24
		AMediaCodec_configure;
		AMediaCodec_createCodecByName;
		AMediaCodec_createCodecByNameForClient; # apex #introduced = 31
		AMediaCodec_createDecoderByType;
		AMediaCodec_createDecoderByTypeForClient; # apex #introduced = 31
		AMediaCodec_createEncoderByType;
		AMediaCodec_createEncoderByTypeForClient; # apex #introduced = 31
		AMediaCodec_delete;
		AMediaCodec_dequeueInputBuffer;
		AMediaCodec_dequeueOutputBuffer;