SoftwareRenderer.cpp revision 5e97c8861ef81d07cf1e304c1c1bed09b84513d4
1/* 2 * Copyright (C) 2009 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#define LOG_TAG "SoftwareRenderer" 18#include <utils/Log.h> 19 20#include "../include/SoftwareRenderer.h" 21 22#include <binder/MemoryHeapBase.h> 23#include <binder/MemoryHeapPmem.h> 24#include <media/stagefright/foundation/ADebug.h> 25#include <media/stagefright/MetaData.h> 26#include <surfaceflinger/Surface.h> 27#include <ui/android_native_buffer.h> 28#include <ui/GraphicBufferMapper.h> 29#include <gui/ISurfaceTexture.h> 30 31namespace android { 32 33SoftwareRenderer::SoftwareRenderer( 34 const sp<ANativeWindow> &nativeWindow, const sp<MetaData> &meta) 35 : mConverter(NULL), 36 mYUVMode(None), 37 mNativeWindow(nativeWindow) { 38 int32_t tmp; 39 CHECK(meta->findInt32(kKeyColorFormat, &tmp)); 40 mColorFormat = (OMX_COLOR_FORMATTYPE)tmp; 41 42 CHECK(meta->findInt32(kKeyWidth, &mWidth)); 43 CHECK(meta->findInt32(kKeyHeight, &mHeight)); 44 45 if (!meta->findRect( 46 kKeyCropRect, 47 &mCropLeft, &mCropTop, &mCropRight, &mCropBottom)) { 48 mCropLeft = mCropTop = 0; 49 mCropRight = mWidth - 1; 50 mCropBottom = mHeight - 1; 51 } 52 53 int32_t rotationDegrees; 54 if (!meta->findInt32(kKeyRotation, &rotationDegrees)) { 55 rotationDegrees = 0; 56 } 57 58 int halFormat; 59 size_t bufWidth, bufHeight; 60 61 switch (mColorFormat) { 62 case OMX_COLOR_FormatYUV420Planar: 63 { 64 halFormat = HAL_PIXEL_FORMAT_YV12; 65 bufWidth = (mWidth + 1) & ~1; 66 bufHeight = (mHeight + 1) & ~1; 67 break; 68 } 69 70 default: 71 halFormat = HAL_PIXEL_FORMAT_RGB_565; 72 bufWidth = mWidth; 73 bufHeight = mHeight; 74 75 mConverter = new ColorConverter( 76 mColorFormat, OMX_COLOR_Format16bitRGB565); 77 CHECK(mConverter->isValid()); 78 break; 79 } 80 81 CHECK(mNativeWindow != NULL); 82 CHECK(mWidth > 0); 83 CHECK(mHeight > 0); 84 CHECK(mConverter == NULL || mConverter->isValid()); 85 86 CHECK_EQ(0, 87 native_window_set_usage( 88 mNativeWindow.get(), 89 GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN 90 | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP)); 91 92 CHECK_EQ(0, native_window_set_buffer_count(mNativeWindow.get(), 2)); 93 94 // Width must be multiple of 32??? 95 CHECK_EQ(0, native_window_set_buffers_geometry( 96 mNativeWindow.get(), 97 bufWidth, 98 bufHeight, 99 halFormat)); 100 101 uint32_t transform; 102 switch (rotationDegrees) { 103 case 0: transform = 0; break; 104 case 90: transform = HAL_TRANSFORM_ROT_90; break; 105 case 180: transform = HAL_TRANSFORM_ROT_180; break; 106 case 270: transform = HAL_TRANSFORM_ROT_270; break; 107 default: transform = 0; break; 108 } 109 110 if (transform) { 111 CHECK_EQ(0, native_window_set_buffers_transform( 112 mNativeWindow.get(), transform)); 113 } 114 115 android_native_rect_t crop; 116 crop.left = mCropLeft; 117 crop.top = mCropTop; 118 crop.right = mCropRight + 1; 119 crop.bottom = mCropBottom + 1; 120 121 CHECK_EQ(0, native_window_set_crop(mNativeWindow.get(), &crop)); 122} 123 124SoftwareRenderer::~SoftwareRenderer() { 125 delete mConverter; 126 mConverter = NULL; 127} 128 129static int ALIGN(int x, int y) { 130 // y must be a power of 2. 131 return (x + y - 1) & ~(y - 1); 132} 133 134void SoftwareRenderer::render( 135 const void *data, size_t size, void *platformPrivate) { 136 ANativeWindowBuffer *buf; 137 int err; 138 if ((err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf)) != 0) { 139 LOGW("Surface::dequeueBuffer returned error %d", err); 140 return; 141 } 142 143 CHECK_EQ(0, mNativeWindow->lockBuffer(mNativeWindow.get(), buf)); 144 145 GraphicBufferMapper &mapper = GraphicBufferMapper::get(); 146 147 Rect bounds(mWidth, mHeight); 148 149 void *dst; 150 CHECK_EQ(0, mapper.lock( 151 buf->handle, GRALLOC_USAGE_SW_WRITE_OFTEN, bounds, &dst)); 152 153 if (mConverter) { 154 mConverter->convert( 155 data, 156 mWidth, mHeight, 157 0, 0, mWidth - 1, mHeight - 1, 158 dst, 159 buf->stride, buf->height, 160 0, 0, mWidth - 1, mHeight - 1); 161 } else { 162 CHECK_EQ(mColorFormat, OMX_COLOR_FormatYUV420Planar); 163 164 const uint8_t *src_y = (const uint8_t *)data; 165 const uint8_t *src_u = (const uint8_t *)data + mWidth * mHeight; 166 const uint8_t *src_v = src_u + (mWidth / 2 * mHeight / 2); 167 168 uint8_t *dst_y = (uint8_t *)dst; 169 size_t dst_y_size = buf->stride * buf->height; 170 size_t dst_c_stride = ALIGN(buf->stride / 2, 16); 171 size_t dst_c_size = dst_c_stride * buf->height / 2; 172 uint8_t *dst_v = dst_y + dst_y_size; 173 uint8_t *dst_u = dst_v + dst_c_size; 174 175 for (int y = 0; y < mHeight; ++y) { 176 memcpy(dst_y, src_y, mWidth); 177 178 src_y += mWidth; 179 dst_y += buf->stride; 180 } 181 182 for (int y = 0; y < (mHeight + 1) / 2; ++y) { 183 memcpy(dst_u, src_u, (mWidth + 1) / 2); 184 memcpy(dst_v, src_v, (mWidth + 1) / 2); 185 186 src_u += mWidth / 2; 187 src_v += mWidth / 2; 188 dst_u += dst_c_stride; 189 dst_v += dst_c_stride; 190 } 191 } 192 193 CHECK_EQ(0, mapper.unlock(buf->handle)); 194 195 if ((err = mNativeWindow->queueBuffer(mNativeWindow.get(), buf)) != 0) { 196 LOGW("Surface::queueBuffer returned error %d", err); 197 } 198 buf = NULL; 199} 200 201} // namespace android 202