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android_frameworks_base/media/jni/android_media_Utils.cpp
Colin Cross 76de4f6b4d Convert libmedia_jni to Android.bp 
See build/soong/README.md for more information.

Test: m -j checkbuild
Change-Id: I1817c75ee45537ca0d5fc40a035f94a3dfeccc11
2017-05-16 13:07:57 -07:00

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/*
* Copyright 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.
*/
// #define LOG_NDEBUG 0
#define LOG_TAG "AndroidMediaUtils"
#include <hardware/camera3.h>
#include <utils/Log.h>
#include "android_media_Utils.h"
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/AMessage.h>
#include <nativehelper/ScopedLocalRef.h>
#define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) )
namespace android {
AssetStream::AssetStream(SkStream* stream)
: mStream(stream), mPosition(0) {
}
AssetStream::~AssetStream() {
}
piex::Error AssetStream::GetData(
const size_t offset, const size_t length, std::uint8_t* data) {
// Seek first.
if (mPosition != offset) {
if (!mStream->seek(offset)) {
return piex::Error::kFail;
}
}
// Read bytes.
size_t size = mStream->read((void*)data, length);
mPosition = offset + size;
return size == length ? piex::Error::kOk : piex::Error::kFail;
}
BufferedStream::BufferedStream(SkStream* stream)
: mStream(stream) {
}
BufferedStream::~BufferedStream() {
}
piex::Error BufferedStream::GetData(
const size_t offset, const size_t length, std::uint8_t* data) {
// Seek first.
if (offset + length > mStreamBuffer.bytesWritten()) {
size_t sizeToRead = offset + length - mStreamBuffer.bytesWritten();
if (sizeToRead <= kMinSizeToRead) {
sizeToRead = kMinSizeToRead;
}
void* tempBuffer = malloc(sizeToRead);
if (tempBuffer == NULL) {
return piex::Error::kFail;
}
size_t bytesRead = mStream->read(tempBuffer, sizeToRead);
if (bytesRead != sizeToRead) {
free(tempBuffer);
return piex::Error::kFail;
}
mStreamBuffer.write(tempBuffer, bytesRead);
free(tempBuffer);
}
// Read bytes.
if (mStreamBuffer.read((void*)data, offset, length)) {
return piex::Error::kOk;
} else {
return piex::Error::kFail;
}
}
FileStream::FileStream(const int fd)
: mPosition(0) {
mFile = fdopen(fd, "r");
if (mFile == NULL) {
return;
}
}
FileStream::FileStream(const String8 filename)
: mPosition(0) {
mFile = fopen(filename.string(), "r");
if (mFile == NULL) {
return;
}
}
FileStream::~FileStream() {
if (mFile != NULL) {
fclose(mFile);
mFile = NULL;
}
}
piex::Error FileStream::GetData(
const size_t offset, const size_t length, std::uint8_t* data) {
if (mFile == NULL) {
return piex::Error::kFail;
}
// Seek first.
if (mPosition != offset) {
fseek(mFile, offset, SEEK_SET);
}
// Read bytes.
size_t size = fread((void*)data, sizeof(std::uint8_t), length, mFile);
mPosition += size;
// Handle errors and verify the size.
if (ferror(mFile) || size != length) {
ALOGV("GetData read failed: (offset: %zu, length: %zu)", offset, length);
return piex::Error::kFail;
}
return piex::Error::kOk;
}
bool FileStream::exists() const {
return mFile != NULL;
}
bool GetExifFromRawImage(
piex::StreamInterface* stream, const String8& filename,
piex::PreviewImageData& image_data) {
// Reset the PreviewImageData to its default.
image_data = piex::PreviewImageData();
if (!piex::IsRaw(stream)) {
// Format not supported.
ALOGV("Format not supported: %s", filename.string());
return false;
}
piex::Error err = piex::GetPreviewImageData(stream, &image_data);
if (err != piex::Error::kOk) {
// The input data seems to be broken.
ALOGV("Raw image not detected: %s (piex error code: %d)", filename.string(), (int32_t)err);
return false;
}
return true;
}
bool ConvertKeyValueArraysToKeyedVector(
JNIEnv *env, jobjectArray keys, jobjectArray values,
KeyedVector<String8, String8>* keyedVector) {
int nKeyValuePairs = 0;
bool failed = false;
if (keys != NULL && values != NULL) {
nKeyValuePairs = env->GetArrayLength(keys);
failed = (nKeyValuePairs != env->GetArrayLength(values));
}
if (!failed) {
failed = ((keys != NULL && values == NULL) ||
(keys == NULL && values != NULL));
}
if (failed) {
ALOGE("keys and values arrays have different length");
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return false;
}
for (int i = 0; i < nKeyValuePairs; ++i) {
// No need to check on the ArrayIndexOutOfBoundsException, since
// it won't happen here.
jstring key = (jstring) env->GetObjectArrayElement(keys, i);
jstring value = (jstring) env->GetObjectArrayElement(values, i);
const char* keyStr = env->GetStringUTFChars(key, NULL);
if (!keyStr) { // OutOfMemoryError
return false;
}
const char* valueStr = env->GetStringUTFChars(value, NULL);
if (!valueStr) { // OutOfMemoryError
env->ReleaseStringUTFChars(key, keyStr);
return false;
}
keyedVector->add(String8(keyStr), String8(valueStr));
env->ReleaseStringUTFChars(key, keyStr);
env->ReleaseStringUTFChars(value, valueStr);
env->DeleteLocalRef(key);
env->DeleteLocalRef(value);
}
return true;
}
static jobject makeIntegerObject(JNIEnv *env, int32_t value) {
ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Integer"));
CHECK(clazz.get() != NULL);
jmethodID integerConstructID =
env->GetMethodID(clazz.get(), "<init>", "(I)V");
CHECK(integerConstructID != NULL);
return env->NewObject(clazz.get(), integerConstructID, value);
}
static jobject makeLongObject(JNIEnv *env, int64_t value) {
ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Long"));
CHECK(clazz.get() != NULL);
jmethodID longConstructID = env->GetMethodID(clazz.get(), "<init>", "(J)V");
CHECK(longConstructID != NULL);
return env->NewObject(clazz.get(), longConstructID, value);
}
static jobject makeFloatObject(JNIEnv *env, float value) {
ScopedLocalRef<jclass> clazz(env, env->FindClass("java/lang/Float"));
CHECK(clazz.get() != NULL);
jmethodID floatConstructID =
env->GetMethodID(clazz.get(), "<init>", "(F)V");
CHECK(floatConstructID != NULL);
return env->NewObject(clazz.get(), floatConstructID, value);
}
static jobject makeByteBufferObject(
JNIEnv *env, const void *data, size_t size) {
jbyteArray byteArrayObj = env->NewByteArray(size);
env->SetByteArrayRegion(byteArrayObj, 0, size, (const jbyte *)data);
ScopedLocalRef<jclass> clazz(env, env->FindClass("java/nio/ByteBuffer"));
CHECK(clazz.get() != NULL);
jmethodID byteBufWrapID =
env->GetStaticMethodID(
clazz.get(), "wrap", "([B)Ljava/nio/ByteBuffer;");
CHECK(byteBufWrapID != NULL);
jobject byteBufObj = env->CallStaticObjectMethod(
clazz.get(), byteBufWrapID, byteArrayObj);
env->DeleteLocalRef(byteArrayObj); byteArrayObj = NULL;
return byteBufObj;
}
static void SetMapInt32(
JNIEnv *env, jobject hashMapObj, jmethodID hashMapPutID,
const char *key, int32_t value) {
jstring keyObj = env->NewStringUTF(key);
jobject valueObj = makeIntegerObject(env, value);
env->CallObjectMethod(hashMapObj, hashMapPutID, keyObj, valueObj);
env->DeleteLocalRef(valueObj); valueObj = NULL;
env->DeleteLocalRef(keyObj); keyObj = NULL;
}
status_t ConvertMessageToMap(
JNIEnv *env, const sp<AMessage> &msg, jobject *map) {
ScopedLocalRef<jclass> hashMapClazz(
env, env->FindClass("java/util/HashMap"));
if (hashMapClazz.get() == NULL) {
return -EINVAL;
}
jmethodID hashMapConstructID =
env->GetMethodID(hashMapClazz.get(), "<init>", "()V");
if (hashMapConstructID == NULL) {
return -EINVAL;
}
jmethodID hashMapPutID =
env->GetMethodID(
hashMapClazz.get(),
"put",
"(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
if (hashMapPutID == NULL) {
return -EINVAL;
}
jobject hashMap = env->NewObject(hashMapClazz.get(), hashMapConstructID);
for (size_t i = 0; i < msg->countEntries(); ++i) {
AMessage::Type valueType;
const char *key = msg->getEntryNameAt(i, &valueType);
if (!strncmp(key, "android._", 9)) {
// don't expose private keys (starting with android._)
continue;
}
jobject valueObj = NULL;
switch (valueType) {
case AMessage::kTypeInt32:
{
int32_t val;
CHECK(msg->findInt32(key, &val));
valueObj = makeIntegerObject(env, val);
break;
}
case AMessage::kTypeInt64:
{
int64_t val;
CHECK(msg->findInt64(key, &val));
valueObj = makeLongObject(env, val);
break;
}
case AMessage::kTypeFloat:
{
float val;
CHECK(msg->findFloat(key, &val));
valueObj = makeFloatObject(env, val);
break;
}
case AMessage::kTypeString:
{
AString val;
CHECK(msg->findString(key, &val));
valueObj = env->NewStringUTF(val.c_str());
break;
}
case AMessage::kTypeBuffer:
{
sp<ABuffer> buffer;
CHECK(msg->findBuffer(key, &buffer));
valueObj = makeByteBufferObject(
env, buffer->data(), buffer->size());
break;
}
case AMessage::kTypeRect:
{
int32_t left, top, right, bottom;
CHECK(msg->findRect(key, &left, &top, &right, &bottom));
SetMapInt32(
env,
hashMap,
hashMapPutID,
AStringPrintf("%s-left", key).c_str(),
left);
SetMapInt32(
env,
hashMap,
hashMapPutID,
AStringPrintf("%s-top", key).c_str(),
top);
SetMapInt32(
env,
hashMap,
hashMapPutID,
AStringPrintf("%s-right", key).c_str(),
right);
SetMapInt32(
env,
hashMap,
hashMapPutID,
AStringPrintf("%s-bottom", key).c_str(),
bottom);
break;
}
default:
break;
}
if (valueObj != NULL) {
jstring keyObj = env->NewStringUTF(key);
env->CallObjectMethod(hashMap, hashMapPutID, keyObj, valueObj);
env->DeleteLocalRef(keyObj); keyObj = NULL;
env->DeleteLocalRef(valueObj); valueObj = NULL;
}
}
*map = hashMap;
return OK;
}
status_t ConvertKeyValueArraysToMessage(
JNIEnv *env, jobjectArray keys, jobjectArray values,
sp<AMessage> *out) {
ScopedLocalRef<jclass> stringClass(env, env->FindClass("java/lang/String"));
CHECK(stringClass.get() != NULL);
ScopedLocalRef<jclass> integerClass(env, env->FindClass("java/lang/Integer"));
CHECK(integerClass.get() != NULL);
ScopedLocalRef<jclass> longClass(env, env->FindClass("java/lang/Long"));
CHECK(longClass.get() != NULL);
ScopedLocalRef<jclass> floatClass(env, env->FindClass("java/lang/Float"));
CHECK(floatClass.get() != NULL);
ScopedLocalRef<jclass> byteBufClass(env, env->FindClass("java/nio/ByteBuffer"));
CHECK(byteBufClass.get() != NULL);
sp<AMessage> msg = new AMessage;
jsize numEntries = 0;
if (keys != NULL) {
if (values == NULL) {
return -EINVAL;
}
numEntries = env->GetArrayLength(keys);
if (numEntries != env->GetArrayLength(values)) {
return -EINVAL;
}
} else if (values != NULL) {
return -EINVAL;
}
for (jsize i = 0; i < numEntries; ++i) {
jobject keyObj = env->GetObjectArrayElement(keys, i);
if (!env->IsInstanceOf(keyObj, stringClass.get())) {
return -EINVAL;
}
const char *tmp = env->GetStringUTFChars((jstring)keyObj, NULL);
if (tmp == NULL) {
return -ENOMEM;
}
AString key = tmp;
env->ReleaseStringUTFChars((jstring)keyObj, tmp);
tmp = NULL;
if (key.startsWith("android._")) {
// don't propagate private keys (starting with android._)
continue;
}
jobject valueObj = env->GetObjectArrayElement(values, i);
if (env->IsInstanceOf(valueObj, stringClass.get())) {
const char *value = env->GetStringUTFChars((jstring)valueObj, NULL);
if (value == NULL) {
return -ENOMEM;
}
msg->setString(key.c_str(), value);
env->ReleaseStringUTFChars((jstring)valueObj, value);
value = NULL;
} else if (env->IsInstanceOf(valueObj, integerClass.get())) {
jmethodID intValueID =
env->GetMethodID(integerClass.get(), "intValue", "()I");
CHECK(intValueID != NULL);
jint value = env->CallIntMethod(valueObj, intValueID);
msg->setInt32(key.c_str(), value);
} else if (env->IsInstanceOf(valueObj, longClass.get())) {
jmethodID longValueID =
env->GetMethodID(longClass.get(), "longValue", "()J");
CHECK(longValueID != NULL);
jlong value = env->CallLongMethod(valueObj, longValueID);
msg->setInt64(key.c_str(), value);
} else if (env->IsInstanceOf(valueObj, floatClass.get())) {
jmethodID floatValueID =
env->GetMethodID(floatClass.get(), "floatValue", "()F");
CHECK(floatValueID != NULL);
jfloat value = env->CallFloatMethod(valueObj, floatValueID);
msg->setFloat(key.c_str(), value);
} else if (env->IsInstanceOf(valueObj, byteBufClass.get())) {
jmethodID positionID =
env->GetMethodID(byteBufClass.get(), "position", "()I");
CHECK(positionID != NULL);
jmethodID limitID =
env->GetMethodID(byteBufClass.get(), "limit", "()I");
CHECK(limitID != NULL);
jint position = env->CallIntMethod(valueObj, positionID);
jint limit = env->CallIntMethod(valueObj, limitID);
sp<ABuffer> buffer = new ABuffer(limit - position);
void *data = env->GetDirectBufferAddress(valueObj);
if (data != NULL) {
memcpy(buffer->data(),
(const uint8_t *)data + position,
buffer->size());
} else {
jmethodID arrayID =
env->GetMethodID(byteBufClass.get(), "array", "()[B");
CHECK(arrayID != NULL);
jbyteArray byteArray =
(jbyteArray)env->CallObjectMethod(valueObj, arrayID);
CHECK(byteArray != NULL);
env->GetByteArrayRegion(
byteArray,
position,
buffer->size(),
(jbyte *)buffer->data());
env->DeleteLocalRef(byteArray); byteArray = NULL;
}
msg->setBuffer(key.c_str(), buffer);
}
}
*out = msg;
return OK;
}
// -----------Utility functions used by ImageReader/Writer JNI-----------------
enum {
IMAGE_MAX_NUM_PLANES = 3,
};
bool usingRGBAToJpegOverride(int32_t imageFormat,
int32_t containerFormat) {
return containerFormat == HAL_PIXEL_FORMAT_BLOB && imageFormat == HAL_PIXEL_FORMAT_RGBA_8888;
}
int32_t applyFormatOverrides(int32_t imageFormat, int32_t containerFormat) {
// Using HAL_PIXEL_FORMAT_RGBA_8888 gralloc buffers containing JPEGs to get around SW
// write limitations for some platforms (b/17379185).
if (usingRGBAToJpegOverride(imageFormat, containerFormat)) {
return HAL_PIXEL_FORMAT_BLOB;
}
return containerFormat;
}
bool isFormatOpaque(int format) {
// This is the only opaque format exposed in the ImageFormat public API.
// Note that we do support CPU access for HAL_PIXEL_FORMAT_RAW_OPAQUE
// (ImageFormat#RAW_PRIVATE) so it doesn't count as opaque here.
return format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
}
bool isPossiblyYUV(PixelFormat format) {
switch (static_cast<int>(format)) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_Y8:
case HAL_PIXEL_FORMAT_Y16:
case HAL_PIXEL_FORMAT_RAW16:
case HAL_PIXEL_FORMAT_RAW10:
case HAL_PIXEL_FORMAT_RAW_OPAQUE:
case HAL_PIXEL_FORMAT_BLOB:
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
return false;
case HAL_PIXEL_FORMAT_YV12:
case HAL_PIXEL_FORMAT_YCbCr_420_888:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
default:
return true;
}
}
uint32_t Image_getJpegSize(LockedImage* buffer, bool usingRGBAOverride) {
ALOGV("%s", __FUNCTION__);
LOG_ALWAYS_FATAL_IF(buffer == NULL, "Input buffer is NULL!!!");
uint32_t size = 0;
uint32_t width = buffer->width;
uint8_t* jpegBuffer = buffer->data;
if (usingRGBAOverride) {
width = (buffer->width + buffer->stride * (buffer->height - 1)) * 4;
}
// First check for JPEG transport header at the end of the buffer
uint8_t* header = jpegBuffer + (width - sizeof(struct camera3_jpeg_blob));
struct camera3_jpeg_blob *blob = (struct camera3_jpeg_blob*)(header);
if (blob->jpeg_blob_id == CAMERA3_JPEG_BLOB_ID) {
size = blob->jpeg_size;
ALOGV("%s: Jpeg size = %d", __FUNCTION__, size);
}
// failed to find size, default to whole buffer
if (size == 0) {
/*
* This is a problem because not including the JPEG header
* means that in certain rare situations a regular JPEG blob
* will be mis-identified as having a header, in which case
* we will get a garbage size value.
*/
ALOGW("%s: No JPEG header detected, defaulting to size=width=%d",
__FUNCTION__, width);
size = width;
}
return size;
}
status_t getLockedImageInfo(LockedImage* buffer, int idx,
int32_t containerFormat, uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride) {
ALOGV("%s", __FUNCTION__);
LOG_ALWAYS_FATAL_IF(buffer == NULL, "Input buffer is NULL!!!");
LOG_ALWAYS_FATAL_IF(base == NULL, "base is NULL!!!");
LOG_ALWAYS_FATAL_IF(size == NULL, "size is NULL!!!");
LOG_ALWAYS_FATAL_IF(pixelStride == NULL, "pixelStride is NULL!!!");
LOG_ALWAYS_FATAL_IF(rowStride == NULL, "rowStride is NULL!!!");
LOG_ALWAYS_FATAL_IF((idx >= IMAGE_MAX_NUM_PLANES) || (idx < 0), "idx (%d) is illegal", idx);
ALOGV("%s: buffer: %p", __FUNCTION__, buffer);
uint32_t dataSize, ySize, cSize, cStride;
uint32_t pStride = 0, rStride = 0;
uint8_t *cb, *cr;
uint8_t *pData = NULL;
int bytesPerPixel = 0;
dataSize = ySize = cSize = cStride = 0;
int32_t fmt = buffer->flexFormat;
bool usingRGBAOverride = usingRGBAToJpegOverride(fmt, containerFormat);
fmt = applyFormatOverrides(fmt, containerFormat);
switch (fmt) {
case HAL_PIXEL_FORMAT_YCbCr_420_888:
pData =
(idx == 0) ?
buffer->data :
(idx == 1) ?
buffer->dataCb :
buffer->dataCr;
// only map until last pixel
if (idx == 0) {
pStride = 1;
rStride = buffer->stride;
dataSize = buffer->stride * (buffer->height - 1) + buffer->width;
} else {
pStride = buffer->chromaStep;
rStride = buffer->chromaStride;
dataSize = buffer->chromaStride * (buffer->height / 2 - 1) +
buffer->chromaStep * (buffer->width / 2 - 1) + 1;
}
break;
// NV21
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
cr = buffer->data + (buffer->stride * buffer->height);
cb = cr + 1;
// only map until last pixel
ySize = buffer->width * (buffer->height - 1) + buffer->width;
cSize = buffer->width * (buffer->height / 2 - 1) + buffer->width - 1;
pData =
(idx == 0) ?
buffer->data :
(idx == 1) ?
cb:
cr;
dataSize = (idx == 0) ? ySize : cSize;
pStride = (idx == 0) ? 1 : 2;
rStride = buffer->width;
break;
case HAL_PIXEL_FORMAT_YV12:
// Y and C stride need to be 16 pixel aligned.
LOG_ALWAYS_FATAL_IF(buffer->stride % 16,
"Stride is not 16 pixel aligned %d", buffer->stride);
ySize = buffer->stride * buffer->height;
cStride = ALIGN(buffer->stride / 2, 16);
cr = buffer->data + ySize;
cSize = cStride * buffer->height / 2;
cb = cr + cSize;
pData =
(idx == 0) ?
buffer->data :
(idx == 1) ?
cb :
cr;
dataSize = (idx == 0) ? ySize : cSize;
pStride = 1;
rStride = (idx == 0) ? buffer->stride : ALIGN(buffer->stride / 2, 16);
break;
case HAL_PIXEL_FORMAT_Y8:
// Single plane, 8bpp.
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height;
pStride = 1;
rStride = buffer->stride;
break;
case HAL_PIXEL_FORMAT_Y16:
bytesPerPixel = 2;
// Single plane, 16bpp, strides are specified in pixels, not in bytes
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height * bytesPerPixel;
pStride = bytesPerPixel;
rStride = buffer->stride * 2;
break;
case HAL_PIXEL_FORMAT_BLOB:
// Used for JPEG data, height must be 1, width == size, single plane.
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
// When RGBA override is being used, buffer height will be equal to width
if (usingRGBAOverride) {
LOG_ALWAYS_FATAL_IF(buffer->height != buffer->width,
"RGBA override BLOB format buffer should have height == width");
} else {
LOG_ALWAYS_FATAL_IF(buffer->height != 1,
"BLOB format buffer should have height value 1");
}
pData = buffer->data;
dataSize = Image_getJpegSize(buffer, usingRGBAOverride);
pStride = 0;
rStride = 0;
break;
case HAL_PIXEL_FORMAT_RAW16:
// Single plane 16bpp bayer data.
bytesPerPixel = 2;
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height * bytesPerPixel;
pStride = bytesPerPixel;
rStride = buffer->stride * 2;
break;
case HAL_PIXEL_FORMAT_RAW_OPAQUE:
// Used for RAW_OPAQUE data, height must be 1, width == size, single plane.
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
LOG_ALWAYS_FATAL_IF(buffer->height != 1,
"RAW_PRIVATE should has height value one but got %d", buffer->height);
pData = buffer->data;
dataSize = buffer->width;
pStride = 0; // RAW OPAQUE doesn't have pixel stride
rStride = 0; // RAW OPAQUE doesn't have row stride
break;
case HAL_PIXEL_FORMAT_RAW10:
// Single plane 10bpp bayer data.
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
LOG_ALWAYS_FATAL_IF(buffer->width % 4,
"Width is not multiple of 4 %d", buffer->width);
LOG_ALWAYS_FATAL_IF(buffer->height % 2,
"Height is not even %d", buffer->height);
LOG_ALWAYS_FATAL_IF(buffer->stride < (buffer->width * 10 / 8),
"stride (%d) should be at least %d",
buffer->stride, buffer->width * 10 / 8);
pData = buffer->data;
dataSize = buffer->stride * buffer->height;
pStride = 0;
rStride = buffer->stride;
break;
case HAL_PIXEL_FORMAT_RAW12:
// Single plane 10bpp bayer data.
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
LOG_ALWAYS_FATAL_IF(buffer->width % 4,
"Width is not multiple of 4 %d", buffer->width);
LOG_ALWAYS_FATAL_IF(buffer->height % 2,
"Height is not even %d", buffer->height);
LOG_ALWAYS_FATAL_IF(buffer->stride < (buffer->width * 12 / 8),
"stride (%d) should be at least %d",
buffer->stride, buffer->width * 12 / 8);
pData = buffer->data;
dataSize = buffer->stride * buffer->height;
pStride = 0;
rStride = buffer->stride;
break;
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
// Single plane, 32bpp.
bytesPerPixel = 4;
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height * bytesPerPixel;
pStride = bytesPerPixel;
rStride = buffer->stride * 4;
break;
case HAL_PIXEL_FORMAT_RGB_565:
// Single plane, 16bpp.
bytesPerPixel = 2;
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height * bytesPerPixel;
pStride = bytesPerPixel;
rStride = buffer->stride * 2;
break;
case HAL_PIXEL_FORMAT_RGB_888:
// Single plane, 24bpp.
bytesPerPixel = 3;
LOG_ALWAYS_FATAL_IF(idx != 0, "Wrong index: %d", idx);
pData = buffer->data;
dataSize = buffer->stride * buffer->height * bytesPerPixel;
pStride = bytesPerPixel;
rStride = buffer->stride * 3;
break;
default:
return BAD_VALUE;
}
*base = pData;
*size = dataSize;
*pixelStride = pStride;
*rowStride = rStride;
return OK;
}
status_t lockImageFromBuffer(sp<GraphicBuffer> buffer, uint32_t inUsage,
const Rect& rect, int fenceFd, LockedImage* outputImage) {
ALOGV("%s: Try to lock the GraphicBuffer", __FUNCTION__);
if (buffer == nullptr || outputImage == nullptr) {
ALOGE("Input BufferItem or output LockedImage is NULL!");
return BAD_VALUE;
}
if (isFormatOpaque(buffer->getPixelFormat())) {
ALOGE("Opaque format buffer is not lockable!");
return BAD_VALUE;
}
void* pData = NULL;
android_ycbcr ycbcr = android_ycbcr();
status_t res;
int format = buffer->getPixelFormat();
int flexFormat = format;
if (isPossiblyYUV(format)) {
res = buffer->lockAsyncYCbCr(inUsage, rect, &ycbcr, fenceFd);
pData = ycbcr.y;
flexFormat = HAL_PIXEL_FORMAT_YCbCr_420_888;
}
// lockAsyncYCbCr for YUV is unsuccessful.
if (pData == NULL) {
res = buffer->lockAsync(inUsage, rect, &pData, fenceFd);
if (res != OK) {
ALOGE("Lock buffer failed!");
return res;
}
}
outputImage->data = reinterpret_cast<uint8_t*>(pData);
outputImage->width = buffer->getWidth();
outputImage->height = buffer->getHeight();
outputImage->format = format;
outputImage->flexFormat = flexFormat;
outputImage->stride =
(ycbcr.y != NULL) ? static_cast<uint32_t>(ycbcr.ystride) : buffer->getStride();
outputImage->dataCb = reinterpret_cast<uint8_t*>(ycbcr.cb);
outputImage->dataCr = reinterpret_cast<uint8_t*>(ycbcr.cr);
outputImage->chromaStride = static_cast<uint32_t>(ycbcr.cstride);
outputImage->chromaStep = static_cast<uint32_t>(ycbcr.chroma_step);
ALOGV("%s: Successfully locked the image from the GraphicBuffer", __FUNCTION__);
// Crop, transform, scalingMode, timestamp, and frameNumber should be set by caller,
// and cann't be set them here.
return OK;
}
status_t lockImageFromBuffer(BufferItem* bufferItem, uint32_t inUsage,
int fenceFd, LockedImage* outputImage) {
ALOGV("%s: Try to lock the BufferItem", __FUNCTION__);
if (bufferItem == nullptr || outputImage == nullptr) {
ALOGE("Input BufferItem or output LockedImage is NULL!");
return BAD_VALUE;
}
status_t res = lockImageFromBuffer(bufferItem->mGraphicBuffer, inUsage, bufferItem->mCrop,
fenceFd, outputImage);
if (res != OK) {
ALOGE("%s: lock graphic buffer failed", __FUNCTION__);
return res;
}
outputImage->crop = bufferItem->mCrop;
outputImage->transform = bufferItem->mTransform;
outputImage->scalingMode = bufferItem->mScalingMode;
outputImage->timestamp = bufferItem->mTimestamp;
outputImage->dataSpace = bufferItem->mDataSpace;
outputImage->frameNumber = bufferItem->mFrameNumber;
ALOGV("%s: Successfully locked the image from the BufferItem", __FUNCTION__);
return OK;
}
int getBufferWidth(BufferItem* buffer) {
if (buffer == NULL) return -1;
if (!buffer->mCrop.isEmpty()) {
return buffer->mCrop.getWidth();
}
ALOGV("%s: buffer->mGraphicBuffer: %p", __FUNCTION__, buffer->mGraphicBuffer.get());
return buffer->mGraphicBuffer->getWidth();
}
int getBufferHeight(BufferItem* buffer) {
if (buffer == NULL) return -1;
if (!buffer->mCrop.isEmpty()) {
return buffer->mCrop.getHeight();
}
ALOGV("%s: buffer->mGraphicBuffer: %p", __FUNCTION__, buffer->mGraphicBuffer.get());
return buffer->mGraphicBuffer->getHeight();
}
} // namespace android
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