Codec2: separate platform dependency (b4bec47d) · Commits · e / os / android_frameworks_av

media/libstagefright/codec2/1.0/InputSurfaceConnection.cpp

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Original line number	Diff line number	Diff line
		@@ -22,7 +22,6 @@
		#include <C2BlockInternal.h>
		#include <C2PlatformSupport.h>

		#include <gui/Surface.h>
		#include <media/stagefright/codec2/1.0/InputSurfaceConnection.h>
		#include <system/window.h>

media/libstagefright/codec2/C2.cpp

+0 −3

Original line number	Diff line number	Diff line
		@@ -22,8 +22,6 @@
		#include <C2ParamDef.h>
		#include <C2Work.h>

		namespace android {

		/**
		* There is nothing here yet. This library is built to see what symbols and methods get
		* defined as part of the API include files.
		@@ -32,5 +30,4 @@ namespace android {
		* Codec2 clients.
		*/

		} // namespace android

media/libstagefright/codec2/include/C2.h

+35 −78

Original line number	Diff line number	Diff line
		@@ -17,40 +17,18 @@
		#ifndef C2_H_
		#define C2_H_

		#include <string>
		#include <vector>
		#include <list>

		#ifdef __ANDROID__

		#include <utils/Errors.h> // for status_t
		#include <utils/Timers.h> // for nsecs_t

		namespace android {

		#else

		#include <errno.h>
		typedef int64_t nsecs_t;

		enum {
		GRALLOC_USAGE_SW_READ_OFTEN,
		GRALLOC_USAGE_RENDERSCRIPT,
		GRALLOC_USAGE_HW_TEXTURE,
		GRALLOC_USAGE_HW_COMPOSER,
		GRALLOC_USAGE_HW_VIDEO_ENCODER,
		GRALLOC_USAGE_PROTECTED,
		GRALLOC_USAGE_SW_WRITE_OFTEN,
		GRALLOC_USAGE_HW_RENDER,
		};

		#endif
		#include <string>

		/** nanoseconds with arbitrary origin. */
		typedef int64_t c2_nsecs_t;

		/** \mainpage Codec2
		*
		* Codec2 is a frame-based data processing API used by android.
		* Codec2 is a generic frame-based data processing API.
		*
		* The framework accesses components via the \ref API.
		* The media subsystem accesses components via the \ref API.
		*/

		/** \ingroup API
		@@ -109,53 +87,35 @@ typedef const char *C2StringLiteral;
		* c2_status_t: status codes used.
		*/
		enum c2_status_t : int32_t {

		/*
		* Use android status constants if available. Otherwise, define the android status constants as
		* additional enum values using POSIX errno constants.
		* Use POSIX errno constants.
		*/
		#ifndef __ANDROID__
		ALREADY_EXISTS = -EEXIST,
		BAD_VALUE = -EINVAL,
		BAD_INDEX = -EOVERFLOW,
		FAILED_TRANSACTION = -ENOTSUP,
		INVALID_OPERATION = -ENOSYS,
		NAME_NOT_FOUND = -ENOENT,
		NO_MEMORY = -ENOMEM,
		NO_INIT = -ENODEV,
		OK = 0,
		PERMISSION_DENIED = -EPERM,
		TIMED_OUT = -ETIMEDOUT,
		UNKNOWN_ERROR = -EFAULT,
		UNKNOWN_TRANSACTION = -EBADMSG,
		WOULD_BLOCK = -EWOULDBLOCK,
		#endif

		C2_OK = OK, ///< operation completed successfully
		C2_OK = 0, ///< operation completed successfully

		// bad input
		C2_BAD_VALUE = BAD_VALUE, ///< argument has invalid value (user error)
		C2_BAD_INDEX = BAD_INDEX, ///< argument uses invalid index (user error)
		C2_CANNOT_DO = FAILED_TRANSACTION, ///< argument/index is valid but not possible
		C2_BAD_VALUE = EINVAL, ///< argument has invalid value (user error)
		C2_BAD_INDEX = ENXIO, ///< argument uses invalid index (user error)
		C2_CANNOT_DO = ENOTSUP, ///< argument/index is valid but not possible

		// bad sequencing of events
		C2_DUPLICATE = ALREADY_EXISTS, ///< object already exists
		C2_NOT_FOUND = NAME_NOT_FOUND, ///< object not found
		C2_BAD_STATE = INVALID_OPERATION, ///< operation is not permitted in the current state
		C2_BLOCKING = WOULD_BLOCK, ///< operation would block but blocking is not permitted
		C2_DUPLICATE = EEXIST, ///< object already exists
		C2_NOT_FOUND = ENOENT, ///< object not found
		C2_BAD_STATE = EPERM, ///< operation is not permitted in the current state
		C2_BLOCKING = EWOULDBLOCK, ///< operation would block but blocking is not permitted
		C2_CANCELED = EINTR, ///< operation interrupted/canceled

		// bad environment
		C2_NO_MEMORY = NO_MEMORY, ///< not enough memory to complete operation
		C2_REFUSED = PERMISSION_DENIED, ///< missing permission to complete operation
		C2_NO_MEMORY = ENOMEM, ///< not enough memory to complete operation
		C2_REFUSED = EACCES, ///< missing permission to complete operation

		C2_TIMED_OUT = TIMED_OUT, ///< operation did not complete within timeout
		C2_TIMED_OUT = ETIMEDOUT, ///< operation did not complete within timeout

		// bad versioning
		C2_OMITTED = UNKNOWN_TRANSACTION, ///< operation is not implemented/supported (optional only)
		C2_OMITTED = ENOSYS, ///< operation is not implemented/supported (optional only)

		// unknown fatal
		C2_CORRUPTED = UNKNOWN_ERROR, ///< some unexpected error prevented the operation
		C2_NO_INIT = NO_INIT, ///< status has not been initialized
		C2_CORRUPTED = EFAULT, ///< some unexpected error prevented the operation
		C2_NO_INIT = ENODEV, ///< status has not been initialized
		};

		/**
		@@ -185,11 +145,12 @@ enum c2_blocking_t : int32_t {
		type args& operator=(const type args&) = delete; \
		type(const type args&) = delete; \

		#define C2_PURE __attribute__((pure))
		#define C2_ALLOW_OVERFLOW __attribute__((no_sanitize("integer")))
		#define C2_CONST __attribute__((const))
		#define C2_HIDE __attribute__((visibility("hidden")))
		#define C2_INTERNAL __attribute__((internal_linkage))
		#define C2_ALLOW_OVERFLOW __attribute__((no_sanitize("integer")))
		#define C2_PACK __attribute__((packed))
		#define C2_PURE __attribute__((pure))

		#define DEFINE_OTHER_COMPARISON_OPERATORS(type) \
		inline bool operator!=(const type &other) const { return !(*this == other); } \
		@@ -548,32 +509,28 @@ inline constexpr typename c2_types<T, V>::wide_type c2_clamp(const T a, const U

		/// @}

		#ifdef __ANDROID__
		} // namespace android
		#endif

		#include <functional>
		template<typename T>
		struct std::less<::android::c2_cntr_t<T>> {
		constexpr bool operator()(const ::android::c2_cntr_t<T> &lh, const ::android::c2_cntr_t<T> &rh) const {
		struct std::less<::c2_cntr_t<T>> {
		constexpr bool operator()(const ::c2_cntr_t<T> &lh, const ::c2_cntr_t<T> &rh) const {
		return lh.peeku() < rh.peeku();
		}
		};
		template<typename T>
		struct std::less_equal<::android::c2_cntr_t<T>> {
		constexpr bool operator()(const ::android::c2_cntr_t<T> &lh, const ::android::c2_cntr_t<T> &rh) const {
		struct std::less_equal<::c2_cntr_t<T>> {
		constexpr bool operator()(const ::c2_cntr_t<T> &lh, const ::c2_cntr_t<T> &rh) const {
		return lh.peeku() <= rh.peeku();
		}
		};
		template<typename T>
		struct std::greater<::android::c2_cntr_t<T>> {
		constexpr bool operator()(const ::android::c2_cntr_t<T> &lh, const ::android::c2_cntr_t<T> &rh) const {
		struct std::greater<::c2_cntr_t<T>> {
		constexpr bool operator()(const ::c2_cntr_t<T> &lh, const ::c2_cntr_t<T> &rh) const {
		return lh.peeku() > rh.peeku();
		}
		};
		template<typename T>
		struct std::greater_equal<::android::c2_cntr_t<T>> {
		constexpr bool operator()(const ::android::c2_cntr_t<T> &lh, const ::android::c2_cntr_t<T> &rh) const {
		struct std::greater_equal<::c2_cntr_t<T>> {
		constexpr bool operator()(const ::c2_cntr_t<T> &lh, const ::c2_cntr_t<T> &rh) const {
		return lh.peeku() >= rh.peeku();
		}
		};

media/libstagefright/codec2/include/C2Buffer.h

+10 −45

Original line number	Diff line number	Diff line
		@@ -18,27 +18,20 @@
		#define C2BUFFER_H_

		#include <C2.h>
		#include <C2BufferBase.h>
		#include <C2Param.h> // for C2Info

		#include <list>
		#include <memory>
		#include <vector>

		#ifdef __ANDROID__

		// #include <system/window.h>
		#include <cutils/native_handle.h>
		#include <hardware/gralloc.h> // TODO: remove

		typedef native_handle_t C2Handle;

		#include <android-C2Buffer.h>
		#else

		typedef void* C2Handle;

		#endif

		namespace android {

		/// \defgroup buffer Buffers
		/// @{

		@@ -89,7 +82,7 @@ public:
		* \retval C2_REFUSED no permission to wait for the fence (unexpected - system)
		* \retval C2_CORRUPTED some unknown error prevented waiting for the fence (unexpected)
		*/
		c2_status_t wait(nsecs_t timeoutNs);
		c2_status_t wait(c2_nsecs_t timeoutNs);

		/**
		* Used to check if this fence is valid (if there is a chance for it to be signaled.)
		@@ -550,41 +543,9 @@ public:
		ALLOCATIONS
		**************************************************************************************************/

		/// \defgroup allocator Allocation and memory placement
		/// \ingroup allocator Allocation and memory placement
		/// @{

		/**
		* Buffer/memory usage bits. These are used by the allocators to select optimal memory type/pool and
		* buffer layout.
		*
		* \note This struct has public fields without getters/setters. All methods are inline.
		*/
		struct C2MemoryUsage {
		// public:
		// TODO: match these to gralloc1.h
		enum Consumer : uint64_t {
		// \todo do we need to distinguish often from rarely?
		CPU_READ = GRALLOC_USAGE_SW_READ_OFTEN,
		RENDERSCRIPT_READ = GRALLOC_USAGE_RENDERSCRIPT,
		HW_TEXTURE_READ = GRALLOC_USAGE_HW_TEXTURE,
		HW_COMPOSER_READ = GRALLOC_USAGE_HW_COMPOSER,
		HW_CODEC_READ = GRALLOC_USAGE_HW_VIDEO_ENCODER,
		READ_PROTECTED = GRALLOC_USAGE_PROTECTED,
		};

		enum Producer : uint64_t {
		CPU_WRITE = GRALLOC_USAGE_SW_WRITE_OFTEN,
		RENDERSCRIPT_WRITE = GRALLOC_USAGE_RENDERSCRIPT,
		HW_TEXTURE_WRITE = GRALLOC_USAGE_HW_RENDER,
		HW_COMPOSER_WRITE = GRALLOC_USAGE_HW_COMPOSER \| GRALLOC_USAGE_HW_RENDER,
		HW_CODEC_WRITE = GRALLOC_USAGE_HW_VIDEO_ENCODER,
		WRITE_PROTECTED = GRALLOC_USAGE_PROTECTED,
		};

		uint64_t consumer; // e.g. input
		uint64_t producer; // e.g. output
		};

		class C2LinearAllocation;
		class C2GraphicAllocation;

		@@ -2301,6 +2262,10 @@ protected:

		/// @}

		} // namespace android
		// expose some objects in android namespace
		namespace android {
		/// \deprecated
		typedef ::C2Fence C2Fence;
		}

		#endif // C2BUFFER_H_

media/libstagefright/codec2/include/C2BufferBase.h

0 → 100644

+94 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 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 C2BUFFER_BASE_H_
		#define C2BUFFER_BASE_H_

		/// \defgroup allocator Allocation and memory placement
		/// @{

		/**
		* Buffer/memory usage bits. These shall be used by the allocators to select optimal memory type/
		* pool and buffer layout. Usage bits are conceptually separated into read and write usage, while
		* the buffer use life-cycle is separated into producers (writers) and consumers (readers).
		* These two concepts are related but not equivalent: consumers may only read buffers and only
		* producers may write to buffers; note, however, that buffer producers may also want or need to
		* read the buffers.
		*
		* Read and write buffer usage bits shall be or-ed to arrive at the full buffer usage. Admittedly,
		* this does not account for the amount of reading and writing (e.g. a buffer may have one or more
		* readers); however, the proper information necessary to properly weigh the various usages would be
		* the amount of data read/written for each usage type. This would result in an integer array of
		* size 64 (or the number of distinct usages) for memory usage, and likely such detailed information
		* would not always be available.
		*
		* That platform-agnostic Codec 2.0 API only defines the bare minimum usages. Platforms shall define
		* usage bits that are appropriate for the platform.
		*/
		struct C2MemoryUsage {
		// public:
		/**
		* Buffer read usage.
		*/
		enum Read : uint64_t {
		/** Buffer is read by the CPU. */
		CPU_READ = 1 << 0,
		/**
		* Buffer shall only be read by trusted hardware. The definition of trusted hardware is
		* platform specific, but this flag is reserved to prevent mapping this block into CPU
		* readable memory resulting in bus fault. This flag can be used when buffer access must be
		* protected.
		*/
		READ_PROTECTED = 1 << 1,
		};

		/**
		* Buffer write usage.
		*/
		enum Write : uint64_t {
		/** Buffer is writted to by the CPU. */
		CPU_WRITE = 1 << 2,
		/**
		* Buffer shall only be written to by trusted hardware. The definition of trusted hardware
		* is platform specific, but this flag is reserved to prevent mapping this block into CPU
		* writable memory resulting in bus fault. This flag can be used when buffer integrity must
		* be protected.
		*/
		WRITE_PROTECTED = 1 << 3,
		};

		enum : uint64_t {
		/**
		* Buffer usage bits reserved for the platform. We don't separately reserve read and
		* write usages as platforms may have asymmetric distribution between them.
		*/
		PLATFORM_MASK = ~(CPU_READ \| CPU_WRITE \| READ_PROTECTED \| WRITE_PROTECTED),
		};

		/** Create a usage from separate consumer and producer usage mask. \deprecated */
		inline C2MemoryUsage(uint64_t consumer, uint64_t producer)
		: expected(consumer \| producer) { }

		inline explicit C2MemoryUsage(uint64_t expected_)
		: expected(expected_) { }

		uint64_t expected; // expected buffer usage
		};

		/// @}

		#endif // C2BUFFER_BASE_H_