/*
* Copyright (C) 2014 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 "Legacy-CameraDevice-JNI"
// #define LOG_NDEBUG 0
#include <utils/Log.h>
#include <utils/Errors.h>
#include <utils/Trace.h>
#include <camera/CameraUtils.h>
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include "core_jni_helpers.h"
#include "android_runtime/android_view_Surface.h"
#include "android_runtime/android_graphics_SurfaceTexture.h"
#include <gui/Surface.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/IProducerListener.h>
#include <ui/GraphicBuffer.h>
#include <system/window.h>
#include <hardware/camera3.h>
#include <system/camera_metadata.h>
#include <stdint.h>
#include <inttypes.h>
using namespace android;
// fully-qualified class name
#define CAMERA_DEVICE_CLASS_NAME "android/hardware/camera2/legacy/LegacyCameraDevice"
#define CAMERA_DEVICE_BUFFER_SLACK 3
#define DONT_CARE 0
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
#define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) )
// Use BAD_VALUE for surface abandoned error
#define OVERRIDE_SURFACE_ERROR(err) \
do { \
if (err == -ENODEV) { \
err = BAD_VALUE; \
} \
} while (0)
#define UPDATE(md, tag, data, size) \
do { \
if ((md).update((tag), (data), (size))) { \
ALOGE("Update " #tag " failed!"); \
return BAD_VALUE; \
} \
} while (0)
/**
* Convert from RGB 888 to Y'CbCr using the conversion specified in JFIF v1.02
*/
static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, uint8_t* yPlane,
uint8_t* crPlane, uint8_t* cbPlane, size_t chromaStep, size_t yStride, size_t chromaStride) {
uint8_t R, G, B;
size_t index = 0;
for (size_t j = 0; j < height; j++) {
uint8_t* cr = crPlane;
uint8_t* cb = cbPlane;
uint8_t* y = yPlane;
bool jEven = (j & 1) == 0;
for (size_t i = 0; i < width; i++) {
R = rgbBuf[index++];
G = rgbBuf[index++];
B = rgbBuf[index++];
*y++ = (77 * R + 150 * G + 29 * B) >> 8;
if (jEven && (i & 1) == 0) {
*cb = (( -43 * R - 85 * G + 128 * B) >> 8) + 128;
*cr = (( 128 * R - 107 * G - 21 * B) >> 8) + 128;
cr += chromaStep;
cb += chromaStep;
}
// Skip alpha
index++;
}
yPlane += yStride;
if (jEven) {
crPlane += chromaStride;
cbPlane += chromaStride;
}
}
}
static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, android_ycbcr* ycbcr) {
size_t cStep = ycbcr->chroma_step;
size_t cStride = ycbcr->cstride;
size_t yStride = ycbcr->ystride;
ALOGV("%s: yStride is: %zu, cStride is: %zu, cStep is: %zu", __FUNCTION__, yStride, cStride,
cStep);
rgbToYuv420(rgbBuf, width, height, reinterpret_cast<uint8_t*>(ycbcr->y),
reinterpret_cast<uint8_t*>(ycbcr->cr), reinterpret_cast<uint8_t*>(ycbcr->cb),
cStep, yStride, cStride);
}
static status_t connectSurface(const sp<Surface>& surface, int32_t maxBufferSlack) {
status_t err = NO_ERROR;
err = surface->connect(NATIVE_WINDOW_API_CAMERA, /*listener*/NULL);
if (err != OK) {
ALOGE("%s: Unable to connect to surface, error %s (%d).", __FUNCTION__,
strerror(-err), err);
return err;
}
err = native_window_set_usage(surface.get(), GRALLOC_USAGE_SW_WRITE_OFTEN);
if (err != NO_ERROR) {
ALOGE("%s: Failed to set native window usage flag, error %s (%d).", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
int minUndequeuedBuffers;
err = static_cast<ANativeWindow*>(surface.get())->query(surface.get(),
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBuffers);
if (err != NO_ERROR) {
ALOGE("%s: Failed to get native window min undequeued buffers, error %s (%d).",
__FUNCTION__, strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
ALOGV("%s: Setting buffer count to %d", __FUNCTION__,
maxBufferSlack + 1 + minUndequeuedBuffers);
err = native_window_set_buffer_count(surface.get(), maxBufferSlack + 1 + minUndequeuedBuffers);
if (err != NO_ERROR) {
ALOGE("%s: Failed to set native window buffer count, error %s (%d).", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
/**
* Produce a frame in the given surface.
*
* Args:
* anw - a surface to produce a frame in.
* pixelBuffer - image buffer to generate a frame from.
* width - width of the pixelBuffer in pixels.
* height - height of the pixelBuffer in pixels.
* pixelFmt - format of the pixelBuffer, one of:
* HAL_PIXEL_FORMAT_YCrCb_420_SP,
* HAL_PIXEL_FORMAT_YCbCr_420_888,
* HAL_PIXEL_FORMAT_BLOB
* bufSize - the size of the pixelBuffer in bytes.
*/
static status_t produceFrame(const sp<ANativeWindow>& anw,
uint8_t* pixelBuffer,
int32_t bufWidth, // Width of the pixelBuffer
int32_t bufHeight, // Height of the pixelBuffer
int32_t pixelFmt, // Format of the pixelBuffer
int32_t bufSize) {
ATRACE_CALL();
status_t err = NO_ERROR;
ANativeWindowBuffer* anb;
ALOGV("%s: Dequeue buffer from %p %dx%d (fmt=%x, size=%x)",
__FUNCTION__, anw.get(), bufWidth, bufHeight, pixelFmt, bufSize);
if (anw == 0) {
ALOGE("%s: anw must not be NULL", __FUNCTION__);
return BAD_VALUE;
} else if (pixelBuffer == NULL) {
ALOGE("%s: pixelBuffer must not be NULL", __FUNCTION__);
return BAD_VALUE;
} else if (bufWidth < 0) {
ALOGE("%s: width must be non-negative", __FUNCTION__);
return BAD_VALUE;
} else if (bufHeight < 0) {
ALOGE("%s: height must be non-negative", __FUNCTION__);
return BAD_VALUE;
} else if (bufSize < 0) {
ALOGE("%s: bufSize must be non-negative", __FUNCTION__);
return BAD_VALUE;
}
size_t width = static_cast<size_t>(bufWidth);
size_t height = static_cast<size_t>(bufHeight);
size_t bufferLength = static_cast<size_t>(bufSize);
// TODO: Switch to using Surface::lock and Surface::unlockAndPost
err = native_window_dequeue_buffer_and_wait(anw.get(), &anb);
if (err != NO_ERROR) {
ALOGE("%s: Failed to dequeue buffer, error %s (%d).", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
uint32_t grallocBufWidth = buf->getWidth();
uint32_t grallocBufHeight = buf->getHeight();
uint32_t grallocBufStride = buf->getStride();
if (grallocBufWidth != width || grallocBufHeight != height) {
ALOGE("%s: Received gralloc buffer with bad dimensions %" PRIu32 "x%" PRIu32
", expecting dimensions %zu x %zu", __FUNCTION__, grallocBufWidth,
grallocBufHeight, width, height);
return BAD_VALUE;
}
int32_t bufFmt = 0;
err = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &bufFmt);
if (err != NO_ERROR) {
ALOGE("%s: Error while querying surface pixel format %s (%d).", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
uint64_t tmpSize = (pixelFmt == HAL_PIXEL_FORMAT_BLOB) ? grallocBufWidth :
4 * grallocBufHeight * grallocBufWidth;
if (bufFmt != pixelFmt) {
if (bufFmt == HAL_PIXEL_FORMAT_RGBA_8888 && pixelFmt == HAL_PIXEL_FORMAT_BLOB) {
ALOGV("%s: Using BLOB to RGBA format override.", __FUNCTION__);
tmpSize = 4 * (grallocBufWidth + grallocBufStride * (grallocBufHeight - 1));
} else {
ALOGW("%s: Format mismatch in produceFrame: expecting format %#" PRIx32
", but received buffer with format %#" PRIx32, __FUNCTION__, pixelFmt, bufFmt);
}
}
if (tmpSize > SIZE_MAX) {
ALOGE("%s: Overflow calculating size, buffer with dimens %zu x %zu is absurdly large...",
__FUNCTION__, width, height);
return BAD_VALUE;
}
size_t totalSizeBytes = tmpSize;
ALOGV("%s: Pixel format chosen: %x", __FUNCTION__, pixelFmt);
switch(pixelFmt) {
case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
if (bufferLength < totalSizeBytes) {
ALOGE("%s: PixelBuffer size %zu too small for given dimensions",
__FUNCTION__, bufferLength);
return BAD_VALUE;
}
uint8_t* img = NULL;
ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get());
err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
if (err != NO_ERROR) return err;
uint8_t* yPlane = img;
uint8_t* uPlane = img + height * width;
uint8_t* vPlane = uPlane + 1;
size_t chromaStep = 2;
size_t yStride = width;
size_t chromaStride = width;
rgbToYuv420(pixelBuffer, width, height, yPlane,
uPlane, vPlane, chromaStep, yStride, chromaStride);
break;
}
case HAL_PIXEL_FORMAT_YV12: {
if (bufferLength < totalSizeBytes) {
ALOGE("%s: PixelBuffer size %zu too small for given dimensions",
__FUNCTION__, bufferLength);
return BAD_VALUE;
}
if ((width & 1) || (height & 1)) {
ALOGE("%s: Dimens %zu x %zu are not divisible by 2.", __FUNCTION__, width, height);
return BAD_VALUE;
}
uint8_t* img = NULL;
ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get());
err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
if (err != NO_ERROR) {
ALOGE("%s: Error %s (%d) while locking gralloc buffer for write.", __FUNCTION__,
strerror(-err), err);
return err;
}
uint32_t stride = buf->getStride();
ALOGV("%s: stride is: %" PRIu32, __FUNCTION__, stride);
LOG_ALWAYS_FATAL_IF(stride % 16, "Stride is not 16 pixel aligned %d", stride);
uint32_t cStride = ALIGN(stride / 2, 16);
size_t chromaStep = 1;
uint8_t* yPlane = img;
uint8_t* crPlane = img + static_cast<uint32_t>(height) * stride;
uint8_t* cbPlane = crPlane + cStride * static_cast<uint32_t>(height) / 2;
rgbToYuv420(pixelBuffer, width, height, yPlane,
crPlane, cbPlane, chromaStep, stride, cStride);
break;
}
case HAL_PIXEL_FORMAT_YCbCr_420_888: {
// Software writes with YCbCr_420_888 format are unsupported
// by the gralloc module for now
if (bufferLength < totalSizeBytes) {
ALOGE("%s: PixelBuffer size %zu too small for given dimensions",
__FUNCTION__, bufferLength);
return BAD_VALUE;
}
android_ycbcr ycbcr = android_ycbcr();
ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get());
err = buf->lockYCbCr(GRALLOC_USAGE_SW_WRITE_OFTEN, &ycbcr);
if (err != NO_ERROR) {
ALOGE("%s: Failed to lock ycbcr buffer, error %s (%d).", __FUNCTION__,
strerror(-err), err);
return err;
}
rgbToYuv420(pixelBuffer, width, height, &ycbcr);
break;
}
case HAL_PIXEL_FORMAT_BLOB: {
int8_t* img = NULL;
struct camera3_jpeg_blob footer = {
.jpeg_blob_id = CAMERA3_JPEG_BLOB_ID,
.jpeg_size = (uint32_t)bufferLength
};
size_t totalJpegSize = bufferLength + sizeof(footer);
totalJpegSize = (totalJpegSize + 3) & ~0x3; // round up to nearest octonibble
if (totalJpegSize > totalSizeBytes) {
ALOGE("%s: Pixel buffer needs size %zu, cannot fit in gralloc buffer of size %zu",
__FUNCTION__, totalJpegSize, totalSizeBytes);
return BAD_VALUE;
}
err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
if (err != NO_ERROR) {
ALOGE("%s: Failed to lock buffer, error %s (%d).", __FUNCTION__, strerror(-err),
err);
return err;
}
memcpy(img, pixelBuffer, bufferLength);
memcpy(img + totalSizeBytes - sizeof(footer), &footer, sizeof(footer));
break;
}
default: {
ALOGE("%s: Invalid pixel format in produceFrame: %x", __FUNCTION__, pixelFmt);
return BAD_VALUE;
}
}
ALOGV("%s: Unlock buffer from %p", __FUNCTION__, anw.get());
err = buf->unlock();
if (err != NO_ERROR) {
ALOGE("%s: Failed to unlock buffer, error %s (%d).", __FUNCTION__, strerror(-err), err);
return err;
}
ALOGV("%s: Queue buffer to %p", __FUNCTION__, anw.get());
err = anw->queueBuffer(anw.get(), buf->getNativeBuffer(), /*fenceFd*/-1);
if (err != NO_ERROR) {
ALOGE("%s: Failed to queue buffer, error %s (%d).", __FUNCTION__, strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
static sp<ANativeWindow> getNativeWindow(JNIEnv* env, jobject surface) {
sp<ANativeWindow> anw;
if (surface) {
anw = android_view_Surface_getNativeWindow(env, surface);
if (env->ExceptionCheck()) {
return NULL;
}
} else {
jniThrowNullPointerException(env, "surface");
return NULL;
}
if (anw == NULL) {
ALOGE("%s: Surface had no valid native window.", __FUNCTION__);
return NULL;
}
return anw;
}
static sp<ANativeWindow> getNativeWindowFromTexture(JNIEnv* env, jobject surfaceTexture) {
sp<ANativeWindow> anw;
if (surfaceTexture) {
anw = android_SurfaceTexture_getNativeWindow(env, surfaceTexture);
if (env->ExceptionCheck()) {
return NULL;
}
} else {
jniThrowNullPointerException(env, "surfaceTexture");
return NULL;
}
if (anw == NULL) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
"SurfaceTexture had no valid native window.");
return NULL;
}
return anw;
}
static sp<Surface> getSurface(JNIEnv* env, jobject surface) {
sp<Surface> s;
if (surface) {
s = android_view_Surface_getSurface(env, surface);
if (env->ExceptionCheck()) {
return NULL;
}
} else {
jniThrowNullPointerException(env, "surface");
return NULL;
}
if (s == NULL) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
"Surface had no valid native Surface.");
return NULL;
}
return s;
}
extern "C" {
static jint LegacyCameraDevice_nativeDetectSurfaceType(JNIEnv* env, jobject thiz, jobject surface) {
ALOGV("nativeDetectSurfaceType");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
int32_t fmt = 0;
status_t err = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &fmt);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying surface pixel format %s (%d).", __FUNCTION__, strerror(-err),
err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return fmt;
}
static jint LegacyCameraDevice_nativeDetectSurfaceDataspace(JNIEnv* env, jobject thiz, jobject surface) {
ALOGV("nativeDetectSurfaceDataspace");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
int32_t fmt = 0;
status_t err = anw->query(anw.get(), NATIVE_WINDOW_DEFAULT_DATASPACE, &fmt);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying surface dataspace %s (%d).", __FUNCTION__, strerror(-err),
err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return fmt;
}
static jint LegacyCameraDevice_nativeDetectSurfaceDimens(JNIEnv* env, jobject thiz,
jobject surface, jintArray dimens) {
ALOGV("nativeGetSurfaceDimens");
if (dimens == NULL) {
ALOGE("%s: Null dimens argument passed to nativeDetectSurfaceDimens", __FUNCTION__);
return BAD_VALUE;
}
if (env->GetArrayLength(dimens) < 2) {
ALOGE("%s: Invalid length of dimens argument in nativeDetectSurfaceDimens", __FUNCTION__);
return BAD_VALUE;
}
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
int32_t dimenBuf[2];
status_t err = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, dimenBuf);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying surface width %s (%d).", __FUNCTION__, strerror(-err),
err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
err = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, dimenBuf + 1);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying surface height %s (%d).", __FUNCTION__, strerror(-err),
err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
env->SetIntArrayRegion(dimens, /*start*/0, /*length*/ARRAY_SIZE(dimenBuf), dimenBuf);
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeDetectSurfaceUsageFlags(JNIEnv* env, jobject thiz,
jobject surface) {
ALOGV("nativeDetectSurfaceUsageFlags");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
jniThrowException(env, "java/lang/UnsupportedOperationException;",
"Could not retrieve native window from surface.");
return BAD_VALUE;
}
int32_t usage = 0;
status_t err = anw->query(anw.get(), NATIVE_WINDOW_CONSUMER_USAGE_BITS, &usage);
if(err != NO_ERROR) {
jniThrowException(env, "java/lang/UnsupportedOperationException;",
"Error while querying surface usage bits");
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return usage;
}
static jint LegacyCameraDevice_nativeDisconnectSurface(JNIEnv* env, jobject thiz,
jobject surface) {
ALOGV("nativeDisconnectSurface");
if (surface == nullptr) return NO_ERROR;
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGV("Buffer queue has already been abandoned.");
return NO_ERROR;
}
status_t err = native_window_api_disconnect(anw.get(), NATIVE_WINDOW_API_CAMERA);
if(err != NO_ERROR) {
jniThrowException(env, "java/lang/UnsupportedOperationException;",
"Error while disconnecting surface");
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeDetectTextureDimens(JNIEnv* env, jobject thiz,
jobject surfaceTexture, jintArray dimens) {
ALOGV("nativeDetectTextureDimens");
sp<ANativeWindow> anw;
if ((anw = getNativeWindowFromTexture(env, surfaceTexture)) == NULL) {
ALOGE("%s: Could not retrieve native window from SurfaceTexture.", __FUNCTION__);
return BAD_VALUE;
}
int32_t dimenBuf[2];
status_t err = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, dimenBuf);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying SurfaceTexture width %s (%d)", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
err = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, dimenBuf + 1);
if(err != NO_ERROR) {
ALOGE("%s: Error while querying SurfaceTexture height %s (%d)", __FUNCTION__,
strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
env->SetIntArrayRegion(dimens, /*start*/0, /*length*/ARRAY_SIZE(dimenBuf), dimenBuf);
if (env->ExceptionCheck()) {
return BAD_VALUE;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeConnectSurface(JNIEnv* env, jobject thiz, jobject surface) {
ALOGV("nativeConnectSurface");
sp<Surface> s;
if ((s = getSurface(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve surface.", __FUNCTION__);
return BAD_VALUE;
}
status_t err = connectSurface(s, CAMERA_DEVICE_BUFFER_SLACK);
if (err != NO_ERROR) {
ALOGE("%s: Error while configuring surface %s (%d).", __FUNCTION__, strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeProduceFrame(JNIEnv* env, jobject thiz, jobject surface,
jbyteArray pixelBuffer, jint width, jint height, jint pixelFormat) {
ALOGV("nativeProduceFrame");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
if (pixelBuffer == NULL) {
jniThrowNullPointerException(env, "pixelBuffer");
return DONT_CARE;
}
int32_t bufSize = static_cast<int32_t>(env->GetArrayLength(pixelBuffer));
jbyte* pixels = env->GetByteArrayElements(pixelBuffer, /*is_copy*/NULL);
if (pixels == NULL) {
jniThrowNullPointerException(env, "pixels");
return DONT_CARE;
}
status_t err = produceFrame(anw, reinterpret_cast<uint8_t*>(pixels), width, height,
pixelFormat, bufSize);
env->ReleaseByteArrayElements(pixelBuffer, pixels, JNI_ABORT);
if (err != NO_ERROR) {
ALOGE("%s: Error while producing frame %s (%d).", __FUNCTION__, strerror(-err), err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeSetSurfaceFormat(JNIEnv* env, jobject thiz, jobject surface,
jint pixelFormat) {
ALOGV("nativeSetSurfaceType");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
status_t err = native_window_set_buffers_format(anw.get(), pixelFormat);
if (err != NO_ERROR) {
ALOGE("%s: Error while setting surface format %s (%d).", __FUNCTION__, strerror(-err), err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeSetSurfaceDimens(JNIEnv* env, jobject thiz, jobject surface,
jint width, jint height) {
ALOGV("nativeSetSurfaceDimens");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
// Set user dimensions only
// The producer dimensions are owned by GL
status_t err = native_window_set_buffers_user_dimensions(anw.get(), width, height);
if (err != NO_ERROR) {
ALOGE("%s: Error while setting surface user dimens %s (%d).", __FUNCTION__, strerror(-err),
err);
OVERRIDE_SURFACE_ERROR(err);
return err;
}
return NO_ERROR;
}
static jlong LegacyCameraDevice_nativeGetSurfaceId(JNIEnv* env, jobject thiz, jobject surface) {
ALOGV("nativeGetSurfaceId");
sp<Surface> s;
if ((s = getSurface(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native Surface from surface.", __FUNCTION__);
return 0;
}
sp<IGraphicBufferProducer> gbp = s->getIGraphicBufferProducer();
if (gbp == NULL) {
ALOGE("%s: Could not retrieve IGraphicBufferProducer from surface.", __FUNCTION__);
return 0;
}
sp<IBinder> b = IInterface::asBinder(gbp);
if (b == NULL) {
ALOGE("%s: Could not retrieve IBinder from surface.", __FUNCTION__);
return 0;
}
/*
* FIXME: Use better unique ID for surfaces than native IBinder pointer. Fix also in the camera
* service (CameraDeviceClient.h).
*/
return reinterpret_cast<jlong>(b.get());
}
static jint LegacyCameraDevice_nativeSetSurfaceOrientation(JNIEnv* env, jobject thiz,
jobject surface, jint facing, jint orientation) {
ALOGV("nativeSetSurfaceOrientation");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
status_t err = NO_ERROR;
CameraMetadata staticMetadata;
int32_t orientVal = static_cast<int32_t>(orientation);
uint8_t facingVal = static_cast<uint8_t>(facing);
staticMetadata.update(ANDROID_SENSOR_ORIENTATION, &orientVal, 1);
staticMetadata.update(ANDROID_LENS_FACING, &facingVal, 1);
int32_t transform = 0;
if ((err = CameraUtils::getRotationTransform(staticMetadata, /*out*/&transform)) != NO_ERROR) {
ALOGE("%s: Invalid rotation transform %s (%d)", __FUNCTION__, strerror(-err),
err);
return err;
}
ALOGV("%s: Setting buffer sticky transform to %d", __FUNCTION__, transform);
if ((err = native_window_set_buffers_sticky_transform(anw.get(), transform)) != NO_ERROR) {
ALOGE("%s: Unable to configure surface transform, error %s (%d)", __FUNCTION__,
strerror(-err), err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeSetNextTimestamp(JNIEnv* env, jobject thiz, jobject surface,
jlong timestamp) {
ALOGV("nativeSetNextTimestamp");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
status_t err = NO_ERROR;
if ((err = native_window_set_buffers_timestamp(anw.get(), static_cast<int64_t>(timestamp))) !=
NO_ERROR) {
ALOGE("%s: Unable to set surface timestamp, error %s (%d)", __FUNCTION__, strerror(-err),
err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeSetScalingMode(JNIEnv* env, jobject thiz, jobject surface,
jint mode) {
ALOGV("nativeSetScalingMode");
sp<ANativeWindow> anw;
if ((anw = getNativeWindow(env, surface)) == NULL) {
ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
return BAD_VALUE;
}
status_t err = NO_ERROR;
if ((err = native_window_set_scaling_mode(anw.get(), static_cast<int>(mode))) != NO_ERROR) {
ALOGE("%s: Unable to set surface scaling mode, error %s (%d)", __FUNCTION__,
strerror(-err), err);
return err;
}
return NO_ERROR;
}
static jint LegacyCameraDevice_nativeGetJpegFooterSize(JNIEnv* env, jobject thiz) {
ALOGV("nativeGetJpegFooterSize");
return static_cast<jint>(sizeof(struct camera3_jpeg_blob));
}
} // extern "C"
static const JNINativeMethod gCameraDeviceMethods[] = {
{ "nativeDetectSurfaceType",
"(Landroid/view/Surface;)I",
(void *)LegacyCameraDevice_nativeDetectSurfaceType },
{ "nativeDetectSurfaceDataspace",
"(Landroid/view/Surface;)I",
(void *)LegacyCameraDevice_nativeDetectSurfaceDataspace },
{ "nativeDetectSurfaceDimens",
"(Landroid/view/Surface;[I)I",
(void *)LegacyCameraDevice_nativeDetectSurfaceDimens },
{ "nativeConnectSurface",
"(Landroid/view/Surface;)I",
(void *)LegacyCameraDevice_nativeConnectSurface },
{ "nativeProduceFrame",
"(Landroid/view/Surface;[BIII)I",
(void *)LegacyCameraDevice_nativeProduceFrame },
{ "nativeSetSurfaceFormat",
"(Landroid/view/Surface;I)I",
(void *)LegacyCameraDevice_nativeSetSurfaceFormat },
{ "nativeSetSurfaceDimens",
"(Landroid/view/Surface;II)I",
(void *)LegacyCameraDevice_nativeSetSurfaceDimens },
{ "nativeGetSurfaceId",
"(Landroid/view/Surface;)J",
(void *)LegacyCameraDevice_nativeGetSurfaceId },
{ "nativeDetectTextureDimens",
"(Landroid/graphics/SurfaceTexture;[I)I",
(void *)LegacyCameraDevice_nativeDetectTextureDimens },
{ "nativeSetSurfaceOrientation",
"(Landroid/view/Surface;II)I",
(void *)LegacyCameraDevice_nativeSetSurfaceOrientation },
{ "nativeSetNextTimestamp",
"(Landroid/view/Surface;J)I",
(void *)LegacyCameraDevice_nativeSetNextTimestamp },
{ "nativeGetJpegFooterSize",
"()I",
(void *)LegacyCameraDevice_nativeGetJpegFooterSize },
{ "nativeDetectSurfaceUsageFlags",
"(Landroid/view/Surface;)I",
(void *)LegacyCameraDevice_nativeDetectSurfaceUsageFlags },
{ "nativeSetScalingMode",
"(Landroid/view/Surface;I)I",
(void *)LegacyCameraDevice_nativeSetScalingMode },
{ "nativeDisconnectSurface",
"(Landroid/view/Surface;)I",
(void *)LegacyCameraDevice_nativeDisconnectSurface },
};
// Get all the required offsets in java class and register native functions
int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv* env)
{
// Register native functions
return RegisterMethodsOrDie(env,
CAMERA_DEVICE_CLASS_NAME,
gCameraDeviceMethods,
NELEM(gCameraDeviceMethods));
}