/* * Copyright (C) 2011 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. */ #include <stdlib.h> #include <stdint.h> #include <sys/types.h> #include <utils/Errors.h> #include "Layer.h" #include "SurfaceTextureLayer.h" namespace android { // --------------------------------------------------------------------------- SurfaceTextureLayer::SurfaceTextureLayer(GLuint tex, const sp<Layer>& layer) : SurfaceTexture(tex, true, GL_TEXTURE_EXTERNAL_OES, false), mLayer(layer) { } SurfaceTextureLayer::~SurfaceTextureLayer() { } status_t SurfaceTextureLayer::setDefaultBufferSize(uint32_t w, uint32_t h) { //ALOGD("%s, w=%u, h=%u", __PRETTY_FUNCTION__, w, h); return SurfaceTexture::setDefaultBufferSize(w, h); } status_t SurfaceTextureLayer::setDefaultBufferFormat(uint32_t format) { mDefaultFormat = format; return NO_ERROR; } status_t SurfaceTextureLayer::setBufferCount(int bufferCount) { status_t res = SurfaceTexture::setBufferCount(bufferCount); return res; } status_t SurfaceTextureLayer::queueBuffer(int buf, int64_t timestamp, uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { status_t res = SurfaceTexture::queueBuffer(buf, timestamp, outWidth, outHeight, outTransform); sp<Layer> layer(mLayer.promote()); if (layer != NULL) { *outTransform = layer->getTransformHint(); } return res; } status_t SurfaceTextureLayer::dequeueBuffer(int *buf, uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { status_t res(NO_INIT); sp<Layer> layer(mLayer.promote()); if (layer != NULL) { if (format == 0) format = mDefaultFormat; uint32_t effectiveUsage = layer->getEffectiveUsage(usage); //ALOGD("%s, w=%u, h=%u, format=%u, usage=%08x, effectiveUsage=%08x", // __PRETTY_FUNCTION__, w, h, format, usage, effectiveUsage); res = SurfaceTexture::dequeueBuffer(buf, w, h, format, effectiveUsage); } return res; } status_t SurfaceTextureLayer::connect(int api, uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { status_t err = SurfaceTexture::connect(api, outWidth, outHeight, outTransform); if (err == NO_ERROR) { sp<Layer> layer(mLayer.promote()); if (layer != NULL) { uint32_t orientation = layer->getOrientation(); if (orientation & Transform::ROT_INVALID) { orientation = 0; } *outTransform = orientation; } switch(api) { case NATIVE_WINDOW_API_MEDIA: case NATIVE_WINDOW_API_CAMERA: // Camera preview and videos are rate-limited on the producer // side. If enabled for this build, we use async mode to always // show the most recent frame at the cost of requiring an // additional buffer. #ifndef NEVER_DEFAULT_TO_ASYNC_MODE err = setSynchronousMode(false); break; #endif // fall through to set synchronous mode when not defaulting to // async mode. deafult: err = setSynchronousMode(true); break; } if (err != NO_ERROR) { disconnect(api); } } return err; } // --------------------------------------------------------------------------- }; // namespace android