| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #define LOG_TAG "SoftwareRenderer" |
| #include <utils/Log.h> |
| |
| #include "../include/SoftwareRenderer.h" |
| |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/MetaData.h> |
| #include <system/window.h> |
| #include <ui/GraphicBufferMapper.h> |
| #include <gui/ISurfaceTexture.h> |
| |
| namespace android { |
| |
| SoftwareRenderer::SoftwareRenderer( |
| const sp<ANativeWindow> &nativeWindow, const sp<MetaData> &meta) |
| : mConverter(NULL), |
| mYUVMode(None), |
| mNativeWindow(nativeWindow) { |
| int32_t tmp; |
| CHECK(meta->findInt32(kKeyColorFormat, &tmp)); |
| mColorFormat = (OMX_COLOR_FORMATTYPE)tmp; |
| |
| CHECK(meta->findInt32(kKeyWidth, &mWidth)); |
| CHECK(meta->findInt32(kKeyHeight, &mHeight)); |
| |
| if (!meta->findRect( |
| kKeyCropRect, |
| &mCropLeft, &mCropTop, &mCropRight, &mCropBottom)) { |
| mCropLeft = mCropTop = 0; |
| mCropRight = mWidth - 1; |
| mCropBottom = mHeight - 1; |
| } |
| |
| mCropWidth = mCropRight - mCropLeft + 1; |
| mCropHeight = mCropBottom - mCropTop + 1; |
| |
| int32_t rotationDegrees; |
| if (!meta->findInt32(kKeyRotation, &rotationDegrees)) { |
| rotationDegrees = 0; |
| } |
| |
| int halFormat; |
| size_t bufWidth, bufHeight; |
| |
| switch (mColorFormat) { |
| case OMX_COLOR_FormatYUV420Planar: |
| case OMX_TI_COLOR_FormatYUV420PackedSemiPlanar: |
| { |
| halFormat = HAL_PIXEL_FORMAT_YV12; |
| bufWidth = (mCropWidth + 1) & ~1; |
| bufHeight = (mCropHeight + 1) & ~1; |
| break; |
| } |
| |
| default: |
| halFormat = HAL_PIXEL_FORMAT_RGB_565; |
| bufWidth = mCropWidth; |
| bufHeight = mCropHeight; |
| |
| mConverter = new ColorConverter( |
| mColorFormat, OMX_COLOR_Format16bitRGB565); |
| CHECK(mConverter->isValid()); |
| break; |
| } |
| |
| CHECK(mNativeWindow != NULL); |
| CHECK(mCropWidth > 0); |
| CHECK(mCropHeight > 0); |
| CHECK(mConverter == NULL || mConverter->isValid()); |
| |
| CHECK_EQ(0, |
| native_window_set_usage( |
| mNativeWindow.get(), |
| GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN |
| | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP)); |
| |
| CHECK_EQ(0, |
| native_window_set_scaling_mode( |
| mNativeWindow.get(), |
| NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)); |
| |
| // Width must be multiple of 32??? |
| CHECK_EQ(0, native_window_set_buffers_geometry( |
| mNativeWindow.get(), |
| bufWidth, |
| bufHeight, |
| halFormat)); |
| |
| uint32_t transform; |
| switch (rotationDegrees) { |
| case 0: transform = 0; break; |
| case 90: transform = HAL_TRANSFORM_ROT_90; break; |
| case 180: transform = HAL_TRANSFORM_ROT_180; break; |
| case 270: transform = HAL_TRANSFORM_ROT_270; break; |
| default: transform = 0; break; |
| } |
| |
| if (transform) { |
| CHECK_EQ(0, native_window_set_buffers_transform( |
| mNativeWindow.get(), transform)); |
| } |
| } |
| |
| SoftwareRenderer::~SoftwareRenderer() { |
| delete mConverter; |
| mConverter = NULL; |
| } |
| |
| static int ALIGN(int x, int y) { |
| // y must be a power of 2. |
| return (x + y - 1) & ~(y - 1); |
| } |
| |
| void SoftwareRenderer::render( |
| const void *data, size_t size, void *platformPrivate) { |
| ANativeWindowBuffer *buf; |
| int err; |
| if ((err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf)) != 0) { |
| ALOGW("Surface::dequeueBuffer returned error %d", err); |
| return; |
| } |
| |
| CHECK_EQ(0, mNativeWindow->lockBuffer(mNativeWindow.get(), buf)); |
| |
| GraphicBufferMapper &mapper = GraphicBufferMapper::get(); |
| |
| Rect bounds(mCropWidth, mCropHeight); |
| |
| void *dst; |
| CHECK_EQ(0, mapper.lock( |
| buf->handle, GRALLOC_USAGE_SW_WRITE_OFTEN, bounds, &dst)); |
| |
| if (mConverter) { |
| mConverter->convert( |
| data, |
| mWidth, mHeight, |
| mCropLeft, mCropTop, mCropRight, mCropBottom, |
| dst, |
| buf->stride, buf->height, |
| 0, 0, mCropWidth - 1, mCropHeight - 1); |
| } else if (mColorFormat == OMX_COLOR_FormatYUV420Planar) { |
| const uint8_t *src_y = (const uint8_t *)data; |
| const uint8_t *src_u = (const uint8_t *)data + mWidth * mHeight; |
| const uint8_t *src_v = src_u + (mWidth / 2 * mHeight / 2); |
| |
| uint8_t *dst_y = (uint8_t *)dst; |
| size_t dst_y_size = buf->stride * buf->height; |
| size_t dst_c_stride = ALIGN(buf->stride / 2, 16); |
| size_t dst_c_size = dst_c_stride * buf->height / 2; |
| uint8_t *dst_v = dst_y + dst_y_size; |
| uint8_t *dst_u = dst_v + dst_c_size; |
| |
| for (int y = 0; y < mCropHeight; ++y) { |
| memcpy(dst_y, src_y, mCropWidth); |
| |
| src_y += mWidth; |
| dst_y += buf->stride; |
| } |
| |
| for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { |
| memcpy(dst_u, src_u, (mCropWidth + 1) / 2); |
| memcpy(dst_v, src_v, (mCropWidth + 1) / 2); |
| |
| src_u += mWidth / 2; |
| src_v += mWidth / 2; |
| dst_u += dst_c_stride; |
| dst_v += dst_c_stride; |
| } |
| } else { |
| CHECK_EQ(mColorFormat, OMX_TI_COLOR_FormatYUV420PackedSemiPlanar); |
| |
| const uint8_t *src_y = |
| (const uint8_t *)data; |
| |
| const uint8_t *src_uv = |
| (const uint8_t *)data + mWidth * (mHeight - mCropTop / 2); |
| |
| uint8_t *dst_y = (uint8_t *)dst; |
| |
| size_t dst_y_size = buf->stride * buf->height; |
| size_t dst_c_stride = ALIGN(buf->stride / 2, 16); |
| size_t dst_c_size = dst_c_stride * buf->height / 2; |
| uint8_t *dst_v = dst_y + dst_y_size; |
| uint8_t *dst_u = dst_v + dst_c_size; |
| |
| for (int y = 0; y < mCropHeight; ++y) { |
| memcpy(dst_y, src_y, mCropWidth); |
| |
| src_y += mWidth; |
| dst_y += buf->stride; |
| } |
| |
| for (int y = 0; y < (mCropHeight + 1) / 2; ++y) { |
| size_t tmp = (mCropWidth + 1) / 2; |
| for (size_t x = 0; x < tmp; ++x) { |
| dst_u[x] = src_uv[2 * x]; |
| dst_v[x] = src_uv[2 * x + 1]; |
| } |
| |
| src_uv += mWidth; |
| dst_u += dst_c_stride; |
| dst_v += dst_c_stride; |
| } |
| } |
| |
| CHECK_EQ(0, mapper.unlock(buf->handle)); |
| |
| if ((err = mNativeWindow->queueBuffer(mNativeWindow.get(), buf)) != 0) { |
| ALOGW("Surface::queueBuffer returned error %d", err); |
| } |
| buf = NULL; |
| } |
| |
| } // namespace android |