SoftwareRenderer.cpp revision 35395ea6ad11824a4a89cc1ab9ee84f936188296
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/foundation/AMessage.h> 25#include <system/window.h> 26#include <ui/GraphicBufferMapper.h> 27#include <gui/IGraphicBufferProducer.h> 28 29namespace android { 30 31static bool runningInEmulator() { 32 char prop[PROPERTY_VALUE_MAX]; 33 return (property_get("ro.kernel.qemu", prop, NULL) > 0); 34} 35 36static int ALIGN(int x, int y) { 37 // y must be a power of 2. 38 return (x + y - 1) & ~(y - 1); 39} 40 41SoftwareRenderer::SoftwareRenderer(const sp<ANativeWindow> &nativeWindow) 42 : mColorFormat(OMX_COLOR_FormatUnused), 43 mConverter(NULL), 44 mYUVMode(None), 45 mNativeWindow(nativeWindow), 46 mWidth(0), 47 mHeight(0), 48 mCropLeft(0), 49 mCropTop(0), 50 mCropRight(0), 51 mCropBottom(0), 52 mCropWidth(0), 53 mCropHeight(0) { 54} 55 56SoftwareRenderer::~SoftwareRenderer() { 57 delete mConverter; 58 mConverter = NULL; 59} 60 61void SoftwareRenderer::resetFormatIfChanged(const sp<AMessage> &format) { 62 CHECK(format != NULL); 63 64 int32_t colorFormatNew; 65 CHECK(format->findInt32("color-format", &colorFormatNew)); 66 67 int32_t widthNew, heightNew; 68 CHECK(format->findInt32("stride", &widthNew)); 69 CHECK(format->findInt32("slice-height", &heightNew)); 70 71 int32_t cropLeftNew, cropTopNew, cropRightNew, cropBottomNew; 72 if (!format->findRect( 73 "crop", &cropLeftNew, &cropTopNew, &cropRightNew, &cropBottomNew)) { 74 cropLeftNew = cropTopNew = 0; 75 cropRightNew = widthNew - 1; 76 cropBottomNew = heightNew - 1; 77 } 78 79 if (static_cast<int32_t>(mColorFormat) == colorFormatNew && 80 mWidth == widthNew && 81 mHeight == heightNew && 82 mCropLeft == cropLeftNew && 83 mCropTop == cropTopNew && 84 mCropRight == cropRightNew && 85 mCropBottom == cropBottomNew) { 86 // Nothing changed, no need to reset renderer. 87 return; 88 } 89 90 mColorFormat = static_cast<OMX_COLOR_FORMATTYPE>(colorFormatNew); 91 mWidth = widthNew; 92 mHeight = heightNew; 93 mCropLeft = cropLeftNew; 94 mCropTop = cropTopNew; 95 mCropRight = cropRightNew; 96 mCropBottom = cropBottomNew; 97 98 mCropWidth = mCropRight - mCropLeft + 1; 99 mCropHeight = mCropBottom - mCropTop + 1; 100 101 int halFormat; 102 size_t bufWidth, bufHeight; 103 104 switch ((int)mColorFormat) { 105 case OMX_COLOR_FormatYUV420Planar: 106 case OMX_TI_COLOR_FormatYUV420PackedSemiPlanar: 107 case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar: 108 case OMX_COLOR_FormatYUV420SemiPlanar: 109 { 110 if (!runningInEmulator()) { 111 halFormat = HAL_PIXEL_FORMAT_YV12; 112 bufWidth = (mCropWidth + 1) & ~1; 113 bufHeight = (mCropHeight + 1) & ~1; 114 break; 115 } 116 117 // fall through. 118 } 119 120 default: 121 halFormat = HAL_PIXEL_FORMAT_RGB_565; 122 bufWidth = mCropWidth; 123 bufHeight = mCropHeight; 124 125 mConverter = new ColorConverter( 126 mColorFormat, OMX_COLOR_Format16bitRGB565); 127 CHECK(mConverter->isValid()); 128 break; 129 } 130 131 CHECK(mNativeWindow != NULL); 132 CHECK(mCropWidth > 0); 133 CHECK(mCropHeight > 0); 134 CHECK(mConverter == NULL || mConverter->isValid()); 135 136 CHECK_EQ(0, 137 native_window_set_usage( 138 mNativeWindow.get(), 139 GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN 140 | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP)); 141 142 CHECK_EQ(0, 143 native_window_set_scaling_mode( 144 mNativeWindow.get(), 145 NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)); 146 147 // Width must be multiple of 32??? 148 CHECK_EQ(0, native_window_set_buffers_dimensions( 149 mNativeWindow.get(), 150 bufWidth, 151 bufHeight)); 152 CHECK_EQ(0, native_window_set_buffers_format( 153 mNativeWindow.get(), 154 halFormat)); 155 156 // NOTE: native window uses extended right-bottom coordinate 157 android_native_rect_t crop; 158 crop.left = mCropLeft; 159 crop.top = mCropTop; 160 crop.right = mCropRight + 1; 161 crop.bottom = mCropBottom + 1; 162 ALOGV("setting crop: [%d, %d, %d, %d] for size [%zu, %zu]", 163 crop.left, crop.top, crop.right, crop.bottom, bufWidth, bufHeight); 164 165 CHECK_EQ(0, native_window_set_crop(mNativeWindow.get(), &crop)); 166 167 int32_t rotationDegrees; 168 if (!format->findInt32("rotation-degrees", &rotationDegrees)) { 169 rotationDegrees = 0; 170 } 171 uint32_t transform; 172 switch (rotationDegrees) { 173 case 0: transform = 0; break; 174 case 90: transform = HAL_TRANSFORM_ROT_90; break; 175 case 180: transform = HAL_TRANSFORM_ROT_180; break; 176 case 270: transform = HAL_TRANSFORM_ROT_270; break; 177 default: transform = 0; break; 178 } 179 180 CHECK_EQ(0, native_window_set_buffers_transform( 181 mNativeWindow.get(), transform)); 182} 183 184void SoftwareRenderer::render( 185 const void *data, size_t /*size*/, int64_t timestampNs, 186 void* /*platformPrivate*/, const sp<AMessage>& format) { 187 resetFormatIfChanged(format); 188 189 ANativeWindowBuffer *buf; 190 int err; 191 if ((err = native_window_dequeue_buffer_and_wait(mNativeWindow.get(), 192 &buf)) != 0) { 193 ALOGW("Surface::dequeueBuffer returned error %d", err); 194 return; 195 } 196 197 GraphicBufferMapper &mapper = GraphicBufferMapper::get(); 198 199 Rect bounds(mCropWidth, mCropHeight); 200 201 void *dst; 202 CHECK_EQ(0, mapper.lock( 203 buf->handle, GRALLOC_USAGE_SW_WRITE_OFTEN, bounds, &dst)); 204 205 if (mConverter) { 206 mConverter->convert( 207 data, 208 mWidth, mHeight, 209 mCropLeft, mCropTop, mCropRight, mCropBottom, 210 dst, 211 buf->stride, buf->height, 212 0, 0, mCropWidth - 1, mCropHeight - 1); 213 } else if (mColorFormat == OMX_COLOR_FormatYUV420Planar) { 214 const uint8_t *src_y = (const uint8_t *)data; 215 const uint8_t *src_u = (const uint8_t *)data + mWidth * mHeight; 216 const uint8_t *src_v = src_u + (mWidth / 2 * mHeight / 2); 217 218 uint8_t *dst_y = (uint8_t *)dst; 219 size_t dst_y_size = buf->stride * buf->height; 220 size_t dst_c_stride = ALIGN(buf->stride / 2, 16); 221 size_t dst_c_size = dst_c_stride * buf->height / 2; 222 uint8_t *dst_v = dst_y + dst_y_size; 223 uint8_t *dst_u = dst_v + dst_c_size; 224 225 for (int y = 0; y < mCropHeight; ++y) { 226 memcpy(dst_y, src_y, mCropWidth); 227 228 src_y += mWidth; 229 dst_y += buf->stride; 230 } 231 232 for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { 233 memcpy(dst_u, src_u, (mCropWidth + 1) / 2); 234 memcpy(dst_v, src_v, (mCropWidth + 1) / 2); 235 236 src_u += mWidth / 2; 237 src_v += mWidth / 2; 238 dst_u += dst_c_stride; 239 dst_v += dst_c_stride; 240 } 241 } else if (mColorFormat == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar 242 || mColorFormat == OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar 243 || mColorFormat == OMX_COLOR_FormatYUV420SemiPlanar) { 244 const uint8_t *src_y = 245 (const uint8_t *)data; 246 247 const uint8_t *src_uv = 248 (const uint8_t *)data + mWidth * (mHeight - mCropTop / 2); 249 250 uint8_t *dst_y = (uint8_t *)dst; 251 252 size_t dst_y_size = buf->stride * buf->height; 253 size_t dst_c_stride = ALIGN(buf->stride / 2, 16); 254 size_t dst_c_size = dst_c_stride * buf->height / 2; 255 uint8_t *dst_v = dst_y + dst_y_size; 256 uint8_t *dst_u = dst_v + dst_c_size; 257 258 for (int y = 0; y < mCropHeight; ++y) { 259 memcpy(dst_y, src_y, mCropWidth); 260 261 src_y += mWidth; 262 dst_y += buf->stride; 263 } 264 265 for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { 266 size_t tmp = (mCropWidth + 1) / 2; 267 for (size_t x = 0; x < tmp; ++x) { 268 dst_u[x] = src_uv[2 * x]; 269 dst_v[x] = src_uv[2 * x + 1]; 270 } 271 272 src_uv += mWidth; 273 dst_u += dst_c_stride; 274 dst_v += dst_c_stride; 275 } 276 } else { 277 LOG_ALWAYS_FATAL("bad color format %#x", mColorFormat); 278 } 279 280 CHECK_EQ(0, mapper.unlock(buf->handle)); 281 282 if ((err = native_window_set_buffers_timestamp(mNativeWindow.get(), 283 timestampNs)) != 0) { 284 ALOGW("Surface::set_buffers_timestamp returned error %d", err); 285 } 286 287 if ((err = mNativeWindow->queueBuffer(mNativeWindow.get(), buf, 288 -1)) != 0) { 289 ALOGW("Surface::queueBuffer returned error %d", err); 290 } 291 buf = NULL; 292} 293 294} // namespace android 295