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 <cutils/properties.h> // for property_get 23 #include <media/stagefright/foundation/ADebug.h> 24 #include <media/stagefright/MetaData.h> 25 #include <system/window.h> 26 #include <ui/GraphicBufferMapper.h> 27 #include <gui/IGraphicBufferProducer.h> 28 29 namespace android { 30 31 static bool runningInEmulator() { 32 char prop[PROPERTY_VALUE_MAX]; 33 return (property_get("ro.kernel.qemu", prop, NULL) > 0); 34 } 35 36 SoftwareRenderer::SoftwareRenderer( 37 const sp<ANativeWindow> &nativeWindow, const sp<MetaData> &meta) 38 : mConverter(NULL), 39 mYUVMode(None), 40 mNativeWindow(nativeWindow) { 41 int32_t tmp; 42 CHECK(meta->findInt32(kKeyColorFormat, &tmp)); 43 mColorFormat = (OMX_COLOR_FORMATTYPE)tmp; 44 45 CHECK(meta->findInt32(kKeyWidth, &mWidth)); 46 CHECK(meta->findInt32(kKeyHeight, &mHeight)); 47 48 if (!meta->findRect( 49 kKeyCropRect, 50 &mCropLeft, &mCropTop, &mCropRight, &mCropBottom)) { 51 mCropLeft = mCropTop = 0; 52 mCropRight = mWidth - 1; 53 mCropBottom = mHeight - 1; 54 } 55 56 mCropWidth = mCropRight - mCropLeft + 1; 57 mCropHeight = mCropBottom - mCropTop + 1; 58 59 int32_t rotationDegrees; 60 if (!meta->findInt32(kKeyRotation, &rotationDegrees)) { 61 rotationDegrees = 0; 62 } 63 64 int halFormat; 65 size_t bufWidth, bufHeight; 66 67 switch (mColorFormat) { 68 case OMX_COLOR_FormatYUV420Planar: 69 case OMX_TI_COLOR_FormatYUV420PackedSemiPlanar: 70 { 71 if (!runningInEmulator()) { 72 halFormat = HAL_PIXEL_FORMAT_YV12; 73 bufWidth = (mCropWidth + 1) & ~1; 74 bufHeight = (mCropHeight + 1) & ~1; 75 break; 76 } 77 78 // fall through. 79 } 80 81 default: 82 halFormat = HAL_PIXEL_FORMAT_RGB_565; 83 bufWidth = mCropWidth; 84 bufHeight = mCropHeight; 85 86 mConverter = new ColorConverter( 87 mColorFormat, OMX_COLOR_Format16bitRGB565); 88 CHECK(mConverter->isValid()); 89 break; 90 } 91 92 CHECK(mNativeWindow != NULL); 93 CHECK(mCropWidth > 0); 94 CHECK(mCropHeight > 0); 95 CHECK(mConverter == NULL || mConverter->isValid()); 96 97 CHECK_EQ(0, 98 native_window_set_usage( 99 mNativeWindow.get(), 100 GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN 101 | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP)); 102 103 CHECK_EQ(0, 104 native_window_set_scaling_mode( 105 mNativeWindow.get(), 106 NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)); 107 108 // Width must be multiple of 32??? 109 CHECK_EQ(0, native_window_set_buffers_geometry( 110 mNativeWindow.get(), 111 bufWidth, 112 bufHeight, 113 halFormat)); 114 115 uint32_t transform; 116 switch (rotationDegrees) { 117 case 0: transform = 0; break; 118 case 90: transform = HAL_TRANSFORM_ROT_90; break; 119 case 180: transform = HAL_TRANSFORM_ROT_180; break; 120 case 270: transform = HAL_TRANSFORM_ROT_270; break; 121 default: transform = 0; break; 122 } 123 124 if (transform) { 125 CHECK_EQ(0, native_window_set_buffers_transform( 126 mNativeWindow.get(), transform)); 127 } 128 } 129 130 SoftwareRenderer::~SoftwareRenderer() { 131 delete mConverter; 132 mConverter = NULL; 133 } 134 135 static int ALIGN(int x, int y) { 136 // y must be a power of 2. 137 return (x + y - 1) & ~(y - 1); 138 } 139 140 void SoftwareRenderer::render( 141 const void *data, size_t size, void *platformPrivate) { 142 ANativeWindowBuffer *buf; 143 int err; 144 if ((err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), 145 &buf)) != 0) { 146 ALOGW("Surface::dequeueBuffer returned error %d", err); 147 return; 148 } 149 150 GraphicBufferMapper &mapper = GraphicBufferMapper::get(); 151 152 Rect bounds(mCropWidth, mCropHeight); 153 154 void *dst; 155 CHECK_EQ(0, mapper.lock( 156 buf->handle, GRALLOC_USAGE_SW_WRITE_OFTEN, bounds, &dst)); 157 158 if (mConverter) { 159 mConverter->convert( 160 data, 161 mWidth, mHeight, 162 mCropLeft, mCropTop, mCropRight, mCropBottom, 163 dst, 164 buf->stride, buf->height, 165 0, 0, mCropWidth - 1, mCropHeight - 1); 166 } else if (mColorFormat == OMX_COLOR_FormatYUV420Planar) { 167 const uint8_t *src_y = (const uint8_t *)data; 168 const uint8_t *src_u = (const uint8_t *)data + mWidth * mHeight; 169 const uint8_t *src_v = src_u + (mWidth / 2 * mHeight / 2); 170 171 uint8_t *dst_y = (uint8_t *)dst; 172 size_t dst_y_size = buf->stride * buf->height; 173 size_t dst_c_stride = ALIGN(buf->stride / 2, 16); 174 size_t dst_c_size = dst_c_stride * buf->height / 2; 175 uint8_t *dst_v = dst_y + dst_y_size; 176 uint8_t *dst_u = dst_v + dst_c_size; 177 178 for (int y = 0; y < mCropHeight; ++y) { 179 memcpy(dst_y, src_y, mCropWidth); 180 181 src_y += mWidth; 182 dst_y += buf->stride; 183 } 184 185 for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { 186 memcpy(dst_u, src_u, (mCropWidth + 1) / 2); 187 memcpy(dst_v, src_v, (mCropWidth + 1) / 2); 188 189 src_u += mWidth / 2; 190 src_v += mWidth / 2; 191 dst_u += dst_c_stride; 192 dst_v += dst_c_stride; 193 } 194 } else { 195 CHECK_EQ(mColorFormat, OMX_TI_COLOR_FormatYUV420PackedSemiPlanar); 196 197 const uint8_t *src_y = 198 (const uint8_t *)data; 199 200 const uint8_t *src_uv = 201 (const uint8_t *)data + mWidth * (mHeight - mCropTop / 2); 202 203 uint8_t *dst_y = (uint8_t *)dst; 204 205 size_t dst_y_size = buf->stride * buf->height; 206 size_t dst_c_stride = ALIGN(buf->stride / 2, 16); 207 size_t dst_c_size = dst_c_stride * buf->height / 2; 208 uint8_t *dst_v = dst_y + dst_y_size; 209 uint8_t *dst_u = dst_v + dst_c_size; 210 211 for (int y = 0; y < mCropHeight; ++y) { 212 memcpy(dst_y, src_y, mCropWidth); 213 214 src_y += mWidth; 215 dst_y += buf->stride; 216 } 217 218 for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { 219 size_t tmp = (mCropWidth + 1) / 2; 220 for (size_t x = 0; x < tmp; ++x) { 221 dst_u[x] = src_uv[2 * x]; 222 dst_v[x] = src_uv[2 * x + 1]; 223 } 224 225 src_uv += mWidth; 226 dst_u += dst_c_stride; 227 dst_v += dst_c_stride; 228 } 229 } 230 231 CHECK_EQ(0, mapper.unlock(buf->handle)); 232 233 if ((err = mNativeWindow->queueBuffer(mNativeWindow.get(), buf, 234 -1)) != 0) { 235 ALOGW("Surface::queueBuffer returned error %d", err); 236 } 237 buf = NULL; 238 } 239 240 } // namespace android 241
