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322 lines
12 KiB
322 lines
12 KiB
/*
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* Copyright 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "SurfaceUtils"
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#include <utils/Log.h>
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#include <android/api-level.h>
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#include <media/hardware/VideoAPI.h>
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#include <media/stagefright/SurfaceUtils.h>
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#include <gui/Surface.h>
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extern "C" int android_get_application_target_sdk_version();
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namespace android {
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status_t setNativeWindowSizeFormatAndUsage(
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ANativeWindow *nativeWindow /* nonnull */,
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int width, int height, int format, int rotation, int usage, bool reconnect) {
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status_t err = NO_ERROR;
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// In some cases we need to reconnect so that we can dequeue all buffers
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if (reconnect) {
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err = nativeWindowDisconnect(nativeWindow, "setNativeWindowSizeFormatAndUsage");
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if (err != NO_ERROR) {
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ALOGE("nativeWindowDisconnect failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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err = nativeWindowConnect(nativeWindow, "setNativeWindowSizeFormatAndUsage");
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if (err != NO_ERROR) {
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ALOGE("nativeWindowConnect failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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}
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err = native_window_set_buffers_dimensions(nativeWindow, width, height);
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if (err != NO_ERROR) {
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ALOGE("native_window_set_buffers_dimensions failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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err = native_window_set_buffers_format(nativeWindow, format);
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if (err != NO_ERROR) {
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ALOGE("native_window_set_buffers_format failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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int transform = 0;
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if ((rotation % 90) == 0) {
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switch ((rotation / 90) & 3) {
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case 1: transform = HAL_TRANSFORM_ROT_90; break;
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case 2: transform = HAL_TRANSFORM_ROT_180; break;
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case 3: transform = HAL_TRANSFORM_ROT_270; break;
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default: transform = 0; break;
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}
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}
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err = native_window_set_buffers_transform(nativeWindow, transform);
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if (err != NO_ERROR) {
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ALOGE("native_window_set_buffers_transform failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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int consumerUsage = 0;
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err = nativeWindow->query(nativeWindow, NATIVE_WINDOW_CONSUMER_USAGE_BITS, &consumerUsage);
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if (err != NO_ERROR) {
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ALOGW("failed to get consumer usage bits. ignoring");
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err = NO_ERROR;
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}
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// Make sure to check whether either Stagefright or the video decoder
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// requested protected buffers.
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if (usage & GRALLOC_USAGE_PROTECTED) {
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// Check if the ANativeWindow sends images directly to SurfaceFlinger.
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int queuesToNativeWindow = 0;
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err = nativeWindow->query(
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nativeWindow, NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER, &queuesToNativeWindow);
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if (err != NO_ERROR) {
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ALOGE("error authenticating native window: %s (%d)", strerror(-err), -err);
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return err;
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}
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// Check if the consumer end of the ANativeWindow can handle protected content.
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int isConsumerProtected = 0;
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err = nativeWindow->query(
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nativeWindow, NATIVE_WINDOW_CONSUMER_IS_PROTECTED, &isConsumerProtected);
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if (err != NO_ERROR) {
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ALOGE("error query native window: %s (%d)", strerror(-err), -err);
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return err;
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}
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// Deny queuing into native window if neither condition is satisfied.
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if (queuesToNativeWindow != 1 && isConsumerProtected != 1) {
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ALOGE("native window cannot handle protected buffers: the consumer should either be "
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"a hardware composer or support hardware protection");
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return PERMISSION_DENIED;
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}
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}
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int finalUsage = usage | consumerUsage;
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ALOGV("gralloc usage: %#x(producer) + %#x(consumer) = %#x", usage, consumerUsage, finalUsage);
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err = native_window_set_usage(nativeWindow, finalUsage);
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if (err != NO_ERROR) {
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ALOGE("native_window_set_usage failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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err = native_window_set_scaling_mode(
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nativeWindow, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
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if (err != NO_ERROR) {
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ALOGE("native_window_set_scaling_mode failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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ALOGD("set up nativeWindow %p for %dx%d, color %#x, rotation %d, usage %#x",
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nativeWindow, width, height, format, rotation, finalUsage);
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return NO_ERROR;
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}
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void setNativeWindowHdrMetadata(ANativeWindow *nativeWindow, HDRStaticInfo *info) {
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struct android_smpte2086_metadata smpte2086_meta = {
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.displayPrimaryRed = {
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info->sType1.mR.x * 0.00002f,
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info->sType1.mR.y * 0.00002f
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},
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.displayPrimaryGreen = {
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info->sType1.mG.x * 0.00002f,
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info->sType1.mG.y * 0.00002f
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},
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.displayPrimaryBlue = {
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info->sType1.mB.x * 0.00002f,
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info->sType1.mB.y * 0.00002f
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},
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.whitePoint = {
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info->sType1.mW.x * 0.00002f,
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info->sType1.mW.y * 0.00002f
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},
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.maxLuminance = (float) info->sType1.mMaxDisplayLuminance,
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.minLuminance = info->sType1.mMinDisplayLuminance * 0.0001f
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};
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int err = native_window_set_buffers_smpte2086_metadata(nativeWindow, &smpte2086_meta);
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ALOGW_IF(err != 0, "failed to set smpte2086 metadata on surface (%d)", err);
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struct android_cta861_3_metadata cta861_meta = {
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.maxContentLightLevel = (float) info->sType1.mMaxContentLightLevel,
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.maxFrameAverageLightLevel = (float) info->sType1.mMaxFrameAverageLightLevel
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};
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err = native_window_set_buffers_cta861_3_metadata(nativeWindow, &cta861_meta);
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ALOGW_IF(err != 0, "failed to set cta861_3 metadata on surface (%d)", err);
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}
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status_t pushBlankBuffersToNativeWindow(ANativeWindow *nativeWindow /* nonnull */) {
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status_t err = NO_ERROR;
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ANativeWindowBuffer* anb = NULL;
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int numBufs = 0;
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int minUndequeuedBufs = 0;
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// We need to reconnect to the ANativeWindow as a CPU client to ensure that
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// no frames get dropped by SurfaceFlinger assuming that these are video
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// frames.
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err = nativeWindowDisconnect(nativeWindow, "pushBlankBuffersToNativeWindow");
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)", strerror(-err), -err);
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return err;
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}
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err = native_window_api_connect(nativeWindow, NATIVE_WINDOW_API_CPU);
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: api_connect failed: %s (%d)", strerror(-err), -err);
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(void)nativeWindowConnect(nativeWindow, "pushBlankBuffersToNativeWindow(err)");
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return err;
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}
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err = setNativeWindowSizeFormatAndUsage(
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nativeWindow, 1, 1, HAL_PIXEL_FORMAT_RGBX_8888, 0, GRALLOC_USAGE_SW_WRITE_OFTEN,
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false /* reconnect */);
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if (err != NO_ERROR) {
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goto error;
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}
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static_cast<Surface*>(nativeWindow)->getIGraphicBufferProducer()->allowAllocation(true);
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err = nativeWindow->query(nativeWindow,
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NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufs);
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: MIN_UNDEQUEUED_BUFFERS query "
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"failed: %s (%d)", strerror(-err), -err);
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goto error;
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}
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numBufs = minUndequeuedBufs + 1;
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err = native_window_set_buffer_count(nativeWindow, numBufs);
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: set_buffer_count failed: %s (%d)", strerror(-err), -err);
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goto error;
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}
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// We push numBufs + 1 buffers to ensure that we've drawn into the same
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// buffer twice. This should guarantee that the buffer has been displayed
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// on the screen and then been replaced, so an previous video frames are
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// guaranteed NOT to be currently displayed.
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for (int i = 0; i < numBufs + 1; i++) {
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err = native_window_dequeue_buffer_and_wait(nativeWindow, &anb);
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: dequeueBuffer failed: %s (%d)",
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strerror(-err), -err);
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break;
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}
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sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
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// Fill the buffer with the a 1x1 checkerboard pattern ;)
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uint32_t *img = NULL;
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err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: lock failed: %s (%d)", strerror(-err), -err);
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break;
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}
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*img = 0;
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err = buf->unlock();
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: unlock failed: %s (%d)", strerror(-err), -err);
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break;
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}
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err = nativeWindow->queueBuffer(nativeWindow, buf->getNativeBuffer(), -1);
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if (err != NO_ERROR) {
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ALOGE("error pushing blank frames: queueBuffer failed: %s (%d)", strerror(-err), -err);
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break;
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}
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anb = NULL;
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}
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error:
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if (anb != NULL) {
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nativeWindow->cancelBuffer(nativeWindow, anb, -1);
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anb = NULL;
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}
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// Clean up after success or error.
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status_t err2 = native_window_api_disconnect(nativeWindow, NATIVE_WINDOW_API_CPU);
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if (err2 != NO_ERROR) {
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ALOGE("error pushing blank frames: api_disconnect failed: %s (%d)", strerror(-err2), -err2);
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if (err == NO_ERROR) {
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err = err2;
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}
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}
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err2 = nativeWindowConnect(nativeWindow, "pushBlankBuffersToNativeWindow(err2)");
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if (err2 != NO_ERROR) {
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ALOGE("error pushing blank frames: api_connect failed: %s (%d)", strerror(-err), -err);
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if (err == NO_ERROR) {
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err = err2;
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}
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}
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return err;
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}
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status_t nativeWindowConnect(ANativeWindow *surface, const char *reason) {
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ALOGD("connecting to surface %p, reason %s", surface, reason);
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status_t err = native_window_api_connect(surface, NATIVE_WINDOW_API_MEDIA);
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ALOGE_IF(err != OK, "Failed to connect to surface %p, err %d", surface, err);
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return err;
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}
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status_t nativeWindowDisconnect(ANativeWindow *surface, const char *reason) {
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ALOGD("disconnecting from surface %p, reason %s", surface, reason);
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status_t err = native_window_api_disconnect(surface, NATIVE_WINDOW_API_MEDIA);
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ALOGE_IF(err != OK, "Failed to disconnect from surface %p, err %d", surface, err);
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return err;
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}
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status_t disableLegacyBufferDropPostQ(const sp<Surface> &surface) {
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sp<IGraphicBufferProducer> igbp =
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surface ? surface->getIGraphicBufferProducer() : nullptr;
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if (igbp) {
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int targetSdk = android_get_application_target_sdk_version();
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// When the caller is not an app (e.g. MediaPlayer in mediaserver)
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// targetSdk is __ANDROID_API_FUTURE__.
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bool drop =
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targetSdk < __ANDROID_API_Q__ ||
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targetSdk == __ANDROID_API_FUTURE__;
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if (!drop) {
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status_t err = igbp->setLegacyBufferDrop(false);
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if (err == NO_ERROR) {
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ALOGD("legacy buffer drop disabled: target sdk (%d)",
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targetSdk);
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} else {
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ALOGD("disabling legacy buffer drop failed: %d", err);
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}
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}
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}
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return NO_ERROR;
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}
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} // namespace android
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