1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_C2BUFFER_H_ 18 #define ANDROID_C2BUFFER_H_ 19 20 #include <cutils/native_handle.h> 21 #include <hardware/gralloc.h> 22 23 /* Use android native handle for C2Handle */ 24 typedef ::native_handle_t C2Handle; 25 26 namespace android { 27 28 /** 29 * Android platform buffer/memory usage bits. 30 */ 31 struct C2AndroidMemoryUsage : public C2MemoryUsage { C2AndroidMemoryUsageC2AndroidMemoryUsage32 inline C2AndroidMemoryUsage(const C2MemoryUsage &usage) : C2MemoryUsage(usage) { } 33 34 // public: 35 /** 36 * Reuse gralloc flags where possible, as Codec 2.0 API only uses bits 0 and 1. 37 */ 38 enum consumer_t : uint64_t { 39 RENDERSCRIPT_READ = GRALLOC_USAGE_RENDERSCRIPT, 40 HW_TEXTURE_READ = GRALLOC_USAGE_HW_TEXTURE, 41 HW_COMPOSER_READ = GRALLOC_USAGE_HW_COMPOSER, 42 // gralloc does not define a video decoder read usage flag, so use encoder for 43 // now 44 HW_CODEC_READ = GRALLOC_USAGE_HW_VIDEO_ENCODER, 45 READ_PROTECTED = GRALLOC_USAGE_PROTECTED, 46 }; 47 48 enum producer_t : uint64_t { 49 RENDERSCRIPT_WRITE = GRALLOC_USAGE_RENDERSCRIPT, 50 HW_TEXTURE_WRITE = GRALLOC_USAGE_HW_RENDER, 51 HW_COMPOSER_WRITE = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER, 52 HW_CODEC_WRITE = GRALLOC_USAGE_HW_VIDEO_ENCODER, 53 // gralloc does not define a write protected usage flag, so use read protected 54 // now 55 WRITE_PROTECTED = GRALLOC_USAGE_PROTECTED, 56 }; 57 58 /** 59 * Convert from gralloc usage. 60 */ 61 static C2MemoryUsage FromGrallocUsage(uint64_t usage); 62 63 /** 64 * Convert to gralloc usage. 65 */ 66 uint64_t asGrallocUsage() const; 67 }; 68 69 } // namespace android 70 71 #endif // ANDROID_C2BUFFER_H_ 72