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android / platform / hardware / msm7k / refs/heads/jb-mr1.1-dev / . / libcamera / QualcommCameraHardware.cpp
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/*
** Copyright 2008, 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.
*/
// TODO
// -- replace Condition::wait with Condition::waitRelative
// -- use read/write locks
#define LOG_NDEBUG 0
#define LOG_TAG "QualcommCameraHardware"
#include <utils/Log.h>
#include <utils/threads.h>
#include <binder/MemoryHeapPmem.h>
#include <utils/String16.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#if HAVE_ANDROID_OS
#include <linux/android_pmem.h>
#endif
#include <camera_ifc.h>
#if DLOPEN_LIBQCAMERA
#include <dlfcn.h>
#endif
#define PRINT_TIME 0
extern "C" {
static inline void print_time()
{
#if PRINT_TIME
struct timeval time;
gettimeofday(&time, NULL);
ALOGV("time: %lld us.", time.tv_sec * 1000000LL + time.tv_usec);
#endif
}
typedef struct {
int width;
int height;
} preview_size_type;
// These sizes have to be a multiple of 16 in each dimension
static preview_size_type preview_sizes[] = {
{ 480, 320 }, // HVGA
{ 432, 320 }, // 1.35-to-1, for photos. (Rounded up from 1.3333 to 1)
{ 352, 288 }, // CIF
{ 320, 240 }, // QVGA
{ 240, 160 }, // SQVGA
{ 176, 144 }, // QCIF
};
#define PREVIEW_SIZE_COUNT (sizeof(preview_sizes)/sizeof(preview_size_type))
// default preview size is QVGA
#define DEFAULT_PREVIEW_SETTING 0
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
/* some functions we need from libqcamera */
extern void rex_start();
extern void rex_shutdown();
/* callbacks */
#if DLOPEN_LIBQCAMERA == 0
extern void (*rex_signal_ready)();
extern uint8_t* (*cam_mmap_preview)(uint32_t size,
uint32_t *phy_addr,
uint32_t index);
extern uint8_t* (*cam_mmap_snapshot)(uint32_t size,
uint32_t *phy_addr,
uint32_t index);
extern int (*cam_munmap_preview)(uint32_t *phy_addr,
uint32_t size,
uint32_t index);
extern int (*cam_munmap_snapshot)(uint32_t *phy_addr,
uint32_t size,
uint32_t index);
extern clear_module_pmem(qdsp_module_type module);
extern void camera_assoc_pmem(qdsp_module_type module,
int pmem_fd,
void *addr,
uint32_t length,
int external);
extern int camera_release_pmem(qdsp_module_type module,
void *addr,
uint32_t size,
uint32_t force);
#define LINK_camera_assoc_pmem camera_assoc_pmem
#define LINK_clear_module_pmem clear_module_pmem
#define LINK_camera_release_pmem camera_release_pmem
#define LINK_camera_encode_picture camera_encode_picture
#define LINK_camera_init camera_init
#define LINK_camera_af_init camera_af_init
#define LINK_camera_release_frame camera_release_frame
#define LINK_camera_set_dimensions camera_set_dimensions
#define LINK_camera_set_encode_properties camera_set_encode_properties
#define LINK_camera_set_parm camera_set_parm
#define LINK_camera_set_parm_2 camera_set_parm_2
#define LINK_camera_set_position camera_set_position
#define LINK_camera_set_thumbnail_properties camera_set_thumbnail_properties
#define LINK_camera_start camera_start
#define LINK_camera_start_preview camera_start_preview
#define LINK_camera_start_focus camera_start_focus
#define LINK_camera_stop_focus camera_stop_focus
#define LINK_camera_stop camera_stop
#define LINK_camera_stop_preview camera_stop_preview
#define LINK_camera_take_picture camera_take_picture
#define LINK_rex_shutdown rex_shutdown
#define LINK_rex_start rex_start
#define LINK_rex_signal_ready rex_signal_ready
#define LINK_cam_mmap_preview cam_mmap_preview
#define LINK_cam_munmap_preview cam_munmap_preview
#define LINK_cam_mmap_snapshot cam_mmap_snapshot
#define LINK_cam_munmap_snapshot cam_munmap_snapshot
#else
/* Function pointers to assign to */
void (**LINK_rex_signal_ready)();
uint8_t* (**LINK_cam_mmap_preview)(
uint32_t size,
uint32_t *phy_addr,
uint32_t index);
int (**LINK_cam_munmap_preview)(
uint32_t *phy_addr,
uint32_t size,
uint32_t index);
uint8_t* (**LINK_cam_mmap_snapshot)(
uint32_t size,
uint32_t *phy_addr,
uint32_t index);
int (**LINK_cam_munmap_snapshot)(
uint32_t *phy_addr,
uint32_t size,
uint32_t index);
/* Function pointers to resolve */
void (*LINK_camera_assoc_pmem)(qdsp_module_type module,
int pmem_fd,
void *addr,
uint32_t length,
int external);
void (*LINK_clear_module_pmem)(qdsp_module_type module);
int (*LINK_camera_release_pmem)(qdsp_module_type module,
void *addr,
uint32_t size,
uint32_t force);
camera_ret_code_type (*LINK_camera_encode_picture) (
camera_frame_type *frame,
camera_handle_type *handle,
camera_cb_f_type callback,
void *client_data);
void (*LINK_camera_init)(void);
void (*LINK_camera_af_init)(void);
camera_ret_code_type (*LINK_camera_release_frame)(void);
camera_ret_code_type (*LINK_camera_set_dimensions) (
uint16_t picture_width,
uint16_t picture_height,
uint16_t display_width,
#ifdef FEATURE_CAMERA_V7
uint16_t display_height,
#endif
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_set_encode_properties)(
camera_encode_properties_type *encode_properties);
camera_ret_code_type (*LINK_camera_set_parm) (
camera_parm_type id,
int32_t parm,
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_set_parm_2) (
camera_parm_type id,
int32_t parm1,
int32_t parm2,
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_set_position) (
camera_position_type *position,
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_set_thumbnail_properties) (
uint32_t width,
uint32_t height,
uint32_t quality);
camera_ret_code_type (*LINK_camera_start) (
camera_cb_f_type callback,
void *client_data
#ifdef FEATURE_NATIVELINUX
,int display_height,
int display_width
#endif /* FEATURE_NATIVELINUX */
);
camera_ret_code_type (*LINK_camera_start_preview) (
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_start_focus) (
camera_focus_e_type focus,
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_stop_focus) (void);
camera_ret_code_type (*LINK_camera_stop) (
camera_cb_f_type callback,
void *client_data);
camera_ret_code_type (*LINK_camera_stop_preview) (void);
camera_ret_code_type (*LINK_camera_take_picture) (
camera_cb_f_type callback,
void *client_data
#if !defined FEATURE_CAMERA_ENCODE_PROPERTIES && defined FEATURE_CAMERA_V7
,camera_raw_type camera_raw_mode
#endif /* nFEATURE_CAMERA_ENCODE_PROPERTIES && FEATURE_CAMERA_V7 */
);
int (*LINK_rex_start)(void);
int (*LINK_rex_shutdown)(void);
#endif
}
#include "QualcommCameraHardware.h"
namespace android {
static Mutex singleton_lock;
static Mutex rex_init_lock;
static Condition rex_init_wait;
static uint8_t* malloc_preview(uint32_t, uint32_t *, uint32_t);
static uint8_t* malloc_raw(uint32_t, uint32_t *, uint32_t);
static int free_preview(uint32_t *, uint32_t , uint32_t);
static int free_raw(uint32_t *, uint32_t , uint32_t);
static int reassoc(qdsp_module_type module);
static void cb_rex_signal_ready(void);
QualcommCameraHardware::QualcommCameraHardware()
: mParameters(),
mPreviewHeight(-1),
mPreviewWidth(-1),
mRawHeight(-1),
mRawWidth(-1),
mCameraState(QCS_INIT),
mShutterCallback(0),
mRawPictureCallback(0),
mJpegPictureCallback(0),
mPictureCallbackCookie(0),
mAutoFocusCallback(0),
mAutoFocusCallbackCookie(0),
mPreviewCallback(0),
mPreviewCallbackCookie(0),
mRecordingCallback(0),
mRecordingCallbackCookie(0),
mPreviewFrameSize(0),
mRawSize(0),
mPreviewCount(0)
{
ALOGV("constructor EX");
}
void QualcommCameraHardware::initDefaultParameters()
{
CameraParameters p;
preview_size_type* ps = &preview_sizes[DEFAULT_PREVIEW_SETTING];
p.setPreviewSize(ps->width, ps->height);
p.setPreviewFrameRate(15);
p.setPreviewFormat("yuv420sp");
p.setPictureFormat("jpeg"); // we do not look at this currently
p.setPictureSize(2048, 1536);
p.set("jpeg-quality", "100"); // maximum quality
// These values must be multiples of 16, so we can't do 427x320, which is the exact size on
// screen we want to display at. 480x360 doesn't work either since it's a multiple of 8.
p.set("jpeg-thumbnail-width", "512");
p.set("jpeg-thumbnail-height", "384");
p.set("jpeg-thumbnail-quality", "90");
p.set("nightshot-mode", "0"); // off
p.set("luma-adaptation", "0"); // FIXME: turning it on causes a crash
p.set("antibanding", "auto"); // flicker detection and elimination
p.set("whitebalance", "auto");
p.set("rotation", "0");
#if 0
p.set("gps-timestamp", "1199145600"); // Jan 1, 2008, 00:00:00
p.set("gps-latitude", "37.736071"); // A little house in San Francisco
p.set("gps-longitude", "-122.441983");
p.set("gps-altitude", "21"); // meters
#endif
// List supported picture size values
p.set("picture-size-values", "2048x1536,1600x1200,1024x768");
// List supported antibanding values
p.set("antibanding-values",
"off,50hz,60hz,auto");
// List supported effects:
p.set("effect-values",
"off,mono,negative,solarize,sepia,posterize,whiteboard,"\
"blackboard,aqua");
// List supported exposure-offset:
p.set("exposure-offset-values",
"0,1,2,3,4,5,6,7,8,9,10");
// List of whitebalance values
p.set("whitebalance-values",
"auto,incandescent,fluorescent,daylight,cloudy");
// List of ISO values
p.set("iso-values", "auto,high");
if (setParameters(p) != NO_ERROR) {
ALOGE("Failed to set default parameters?!");
}
}
#define ROUND_TO_PAGE(x) (((x)+0xfff)&~0xfff)
// Called with mStateLock held!
void QualcommCameraHardware::startCameraIfNecessary()
{
if (mCameraState == QCS_INIT) {
#if DLOPEN_LIBQCAMERA == 1
ALOGV("loading libqcamera");
libqcamera = ::dlopen("liboemcamera.so", RTLD_NOW);
if (!libqcamera) {
ALOGE("FATAL ERROR: could not dlopen liboemcamera.so: %s", dlerror());
return;
}
*(void **)&LINK_camera_assoc_pmem =
::dlsym(libqcamera, "camera_assoc_pmem");
*(void **)&LINK_clear_module_pmem =
::dlsym(libqcamera, "clear_module_pmem");
*(void **)&LINK_camera_release_pmem =
::dlsym(libqcamera, "camera_release_pmem");
*(void **)&LINK_camera_encode_picture =
::dlsym(libqcamera, "camera_encode_picture");
*(void **)&LINK_camera_init =
::dlsym(libqcamera, "camera_init");
*(void **)&LINK_camera_af_init =
::dlsym(libqcamera, "camera_af_init");
*(void **)&LINK_camera_release_frame =
::dlsym(libqcamera, "camera_release_frame");
*(void **)&LINK_camera_set_dimensions =
::dlsym(libqcamera, "camera_set_dimensions");
*(void **)&LINK_camera_set_encode_properties =
::dlsym(libqcamera, "camera_set_encode_properties");
*(void **)&LINK_camera_set_parm =
::dlsym(libqcamera, "camera_set_parm");
*(void **)&LINK_camera_set_parm_2 =
::dlsym(libqcamera, "camera_set_parm_2");
*(void **)&LINK_camera_set_position =
::dlsym(libqcamera, "camera_set_position");
*(void **)&LINK_camera_set_thumbnail_properties =
::dlsym(libqcamera, "camera_set_thumbnail_properties");
*(void **)&LINK_camera_start =
::dlsym(libqcamera, "camera_start");
*(void **)&LINK_camera_start_preview =
::dlsym(libqcamera, "camera_start_preview");
*(void **)&LINK_camera_start_focus =
::dlsym(libqcamera, "camera_start_focus");
*(void **)&LINK_camera_stop_focus =
::dlsym(libqcamera, "camera_stop_focus");
*(void **)&LINK_camera_stop =
::dlsym(libqcamera, "camera_stop");
*(void **)&LINK_camera_stop_preview =
::dlsym(libqcamera, "camera_stop_preview");
*(void **)&LINK_camera_take_picture =
::dlsym(libqcamera, "camera_take_picture");
*(void **)&LINK_rex_shutdown =
::dlsym(libqcamera, "rex_shutdown");
*(void **)&LINK_rex_start =
::dlsym(libqcamera, "rex_start");
*(void **)&LINK_rex_signal_ready =
::dlsym(libqcamera, "rex_signal_ready");
*(void **)&LINK_cam_mmap_preview =
::dlsym(libqcamera, "cam_mmap_preview");
*(void **)&LINK_cam_munmap_preview =
::dlsym(libqcamera, "cam_munmap_preview");
*(void **)&LINK_cam_mmap_snapshot =
::dlsym(libqcamera, "cam_mmap_snapshot");
*(void **)&LINK_cam_munmap_snapshot =
::dlsym(libqcamera, "cam_munmap_snapshot");
*LINK_rex_signal_ready = cb_rex_signal_ready;
*LINK_cam_mmap_preview = malloc_preview;
*LINK_cam_munmap_preview = free_preview;
*LINK_cam_mmap_snapshot = malloc_raw;
*LINK_cam_munmap_snapshot = free_raw;
#else
LINK_rex_signal_ready = cb_rex_signal_ready;
LINK_cam_mmap_preview = malloc_preview;
LINK_cam_munmap_preview = free_preview;
LINK_cam_mmap_snapshot = malloc_raw;
LINK_cam_munmap_snapshot = free_raw;
#endif // DLOPEN_LIBQCAMERA == 1
rex_init_lock.lock();
LINK_rex_start();
ALOGV("waiting for REX to initialize.");
rex_init_wait.wait(rex_init_lock);
ALOGV("REX is ready.");
rex_init_lock.unlock();
LINK_camera_init();
ALOGV("starting REX emulation");
// NOTE: camera_start() takes (height, width), not (width, height).
LINK_camera_start(camera_cb, this,
mPreviewHeight, mPreviewWidth);
while(mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("init camera: waiting for QCS_IDLE");
mStateWait.wait(mStateLock);
ALOGV("init camera: woke up");
}
ALOGV("init camera: initializing parameters");
}
else ALOGV("camera hardware has been started already");
}
status_t QualcommCameraHardware::dump(int fd, const Vector<String16>& args) const
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
// Dump internal primitives.
snprintf(buffer, 255, "QualcommCameraHardware::dump: state (%d)\n", mCameraState);
result.append(buffer);
snprintf(buffer, 255, "preview width(%d) x height (%d)\n", mPreviewWidth, mPreviewHeight);
result.append(buffer);
snprintf(buffer, 255, "raw width(%d) x height (%d)\n", mRawWidth, mRawHeight);
result.append(buffer);
snprintf(buffer, 255, "preview frame size(%d), raw size (%d), jpeg size (%d) and jpeg max size (%d)\n", mPreviewFrameSize, mRawSize, mJpegSize, mJpegMaxSize);
result.append(buffer);
write(fd, result.string(), result.size());
// Dump internal objects.
if (mPreviewHeap != 0) {
mPreviewHeap->dump(fd, args);
}
if (mRawHeap != 0) {
mRawHeap->dump(fd, args);
}
if (mJpegHeap != 0) {
mJpegHeap->dump(fd, args);
}
mParameters.dump(fd, args);
return NO_ERROR;
}
bool QualcommCameraHardware::initPreview()
{
// LINK_clear_module_pmem(QDSP_MODULE_VFETASK);
startCameraIfNecessary();
// Tell libqcamera what the preview and raw dimensions are. We
// call this method even if the preview dimensions have not changed,
// because the picture ones may have.
//
// NOTE: if this errors out, mCameraState != QCS_IDLE, which will be
// checked by the caller of this method.
setCameraDimensions();
ALOGV("initPreview: preview size=%dx%d", mPreviewWidth, mPreviewHeight);
mPreviewFrameSize = mPreviewWidth * mPreviewHeight * 3 / 2; // reality
mPreviewHeap =
new PreviewPmemPool(kRawFrameHeaderSize +
mPreviewWidth * mPreviewHeight * 2, // worst
kPreviewBufferCount,
mPreviewFrameSize,
kRawFrameHeaderSize,
"preview");
if (!mPreviewHeap->initialized()) {
mPreviewHeap = NULL;
return false;
}
// LINK_camera_af_init();
return true;
}
void QualcommCameraHardware::deinitPreview()
{
mPreviewHeap = NULL;
}
// Called with mStateLock held!
bool QualcommCameraHardware::initRaw(bool initJpegHeap)
{
ALOGV("initRaw E");
startCameraIfNecessary();
// Tell libqcamera what the preview and raw dimensions are. We
// call this method even if the preview dimensions have not changed,
// because the picture ones may have.
//
// NOTE: if this errors out, mCameraState != QCS_IDLE, which will be
// checked by the caller of this method.
setCameraDimensions();
ALOGV("initRaw: picture size=%dx%d",
mRawWidth, mRawHeight);
// Note that we enforce yuv420 in setParameters().
mRawSize =
mRawWidth * mRawHeight * 3 / 2; /* reality */
mJpegMaxSize = mRawWidth * mRawHeight * 2;
ALOGV("initRaw: clearing old mJpegHeap.");
mJpegHeap = NULL;
ALOGV("initRaw: initializing mRawHeap.");
mRawHeap =
new RawPmemPool("/dev/pmem_camera",
kRawFrameHeaderSize + mJpegMaxSize, /* worst */
kRawBufferCount,
mRawSize,
kRawFrameHeaderSize,
"snapshot camera");
if (!mRawHeap->initialized()) {
ALOGE("initRaw X failed: error initializing mRawHeap");
mRawHeap = NULL;
return false;
}
if (initJpegHeap) {
ALOGV("initRaw: initializing mJpegHeap.");
mJpegHeap =
new AshmemPool(mJpegMaxSize,
kJpegBufferCount,
0, // we do not know how big the picture wil be
0,
"jpeg");
if (!mJpegHeap->initialized()) {
ALOGE("initRaw X failed: error initializing mJpegHeap.");
mJpegHeap = NULL;
mRawHeap = NULL;
return false;
}
}
ALOGV("initRaw X success");
return true;
}
void QualcommCameraHardware::release()
{
ALOGV("release E");
Mutex::Autolock l(&mLock);
// Either preview was ongoing, or we are in the middle or taking a
// picture. It's the caller's responsibility to make sure the camera
// is in the idle or init state before destroying this object.
if (mCameraState != QCS_IDLE && mCameraState != QCS_INIT) {
ALOGE("Serious error: the camera state is %s, "
"not QCS_IDLE or QCS_INIT!",
getCameraStateStr(mCameraState));
}
mStateLock.lock();
if (mCameraState != QCS_INIT) {
// When libqcamera detects an error, it calls camera_cb from the
// call to LINK_camera_stop, which would cause a deadlock if we
// held the mStateLock. For this reason, we have an intermediate
// state QCS_INTERNAL_STOPPING, which we use to check to see if the
// camera_cb was called inline.
mCameraState = QCS_INTERNAL_STOPPING;
mStateLock.unlock();
ALOGV("stopping camera.");
LINK_camera_stop(stop_camera_cb, this);
mStateLock.lock();
if (mCameraState == QCS_INTERNAL_STOPPING) {
while (mCameraState != QCS_INIT &&
mCameraState != QCS_ERROR) {
ALOGV("stopping camera: waiting for QCS_INIT");
mStateWait.wait(mStateLock);
}
}
ALOGV("Shutting REX down.");
LINK_rex_shutdown();
ALOGV("REX has shut down.");
#if DLOPEN_LIBQCAMERA
if (libqcamera) {
unsigned ref = ::dlclose(libqcamera);
ALOGV("dlclose(libqcamera) refcount %d", ref);
}
#endif
mCameraState = QCS_INIT;
}
mStateLock.unlock();
ALOGV("release X");
}
QualcommCameraHardware::~QualcommCameraHardware()
{
ALOGV("~QualcommCameraHardware E");
Mutex::Autolock singletonLock(&singleton_lock);
singleton.clear();
ALOGV("~QualcommCameraHardware X");
}
sp<IMemoryHeap> QualcommCameraHardware::getPreviewHeap() const
{
ALOGV("getPreviewHeap");
return mPreviewHeap != NULL ? mPreviewHeap->mHeap : NULL;
}
sp<IMemoryHeap> QualcommCameraHardware::getRawHeap() const
{
return mRawHeap != NULL ? mRawHeap->mHeap : NULL;
}
bool QualcommCameraHardware::setCallbacks(
preview_callback pcb, void *puser,
recording_callback rcb, void *ruser)
{
Mutex::Autolock cbLock(&mCallbackLock);
mPreviewCallback = pcb;
mPreviewCallbackCookie = puser;
mRecordingCallback = rcb;
mRecordingCallbackCookie = ruser;
return mPreviewCallback != NULL ||
mRecordingCallback != NULL;
}
status_t QualcommCameraHardware::startPreviewInternal(
preview_callback pcb, void *puser,
recording_callback rcb, void *ruser)
{
ALOGV("startPreview E");
if (mCameraState == QCS_PREVIEW_IN_PROGRESS) {
ALOGE("startPreview is already in progress, doing nothing.");
// We might want to change the callback functions while preview is
// streaming, for example to enable or disable recording.
setCallbacks(pcb, puser, rcb, ruser);
return NO_ERROR;
}
// We check for these two states explicitly because it is possible
// for startPreview() to be called in response to a raw or JPEG
// callback, but before we've updated the state from QCS_WAITING_RAW
// or QCS_WAITING_JPEG to QCS_IDLE. This is because in camera_cb(),
// we update the state *after* we've made the callback. See that
// function for an explanation.
if (mCameraState == QCS_WAITING_RAW ||
mCameraState == QCS_WAITING_JPEG) {
while (mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("waiting for QCS_IDLE");
mStateWait.wait(mStateLock);
}
}
if (mCameraState != QCS_IDLE) {
ALOGE("startPreview X Camera state is %s, expecting QCS_IDLE!",
getCameraStateStr(mCameraState));
return INVALID_OPERATION;
}
if (!initPreview()) {
ALOGE("startPreview X initPreview failed. Not starting preview.");
return UNKNOWN_ERROR;
}
setCallbacks(pcb, puser, rcb, ruser);
// hack to prevent first preview frame from being black
mPreviewCount = 0;
mCameraState = QCS_INTERNAL_PREVIEW_REQUESTED;
camera_ret_code_type qret =
LINK_camera_start_preview(camera_cb, this);
if (qret == CAMERA_SUCCESS) {
while(mCameraState != QCS_PREVIEW_IN_PROGRESS &&
mCameraState != QCS_ERROR) {
ALOGV("waiting for QCS_PREVIEW_IN_PROGRESS");
mStateWait.wait(mStateLock);
}
}
else {
ALOGE("startPreview failed: sensor error.");
mCameraState = QCS_ERROR;
}
ALOGV("startPreview X");
return mCameraState == QCS_PREVIEW_IN_PROGRESS ?
NO_ERROR : UNKNOWN_ERROR;
}
void QualcommCameraHardware::stopPreviewInternal()
{
ALOGV("stopPreviewInternal E");
if (mCameraState != QCS_PREVIEW_IN_PROGRESS) {
ALOGE("Preview not in progress!");
return;
}
if (mAutoFocusCallback != NULL) {
// WARNING: clear mAutoFocusCallback BEFORE you call
// camera_stop_focus. The CAMERA_EXIT_CB_ABORT is (erroneously)
// delivered inline camera_stop_focus(), and we cannot acquire
// mStateLock, because that would cause a deadlock. In any case,
// CAMERA_EXIT_CB_ABORT is delivered only when we call
// camera_stop_focus.
mAutoFocusCallback = NULL;
LINK_camera_stop_focus();
}
setCallbacks(NULL, NULL, NULL, NULL);
mCameraState = QCS_INTERNAL_PREVIEW_STOPPING;
LINK_camera_stop_preview();
while (mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("waiting for QCS_IDLE");
mStateWait.wait(mStateLock);
}
ALOGV("stopPreviewInternal: Freeing preview heap.");
mPreviewHeap = NULL;
mPreviewCallback = NULL;
ALOGV("stopPreviewInternal: X Preview has stopped.");
}
status_t QualcommCameraHardware::startPreview(
preview_callback pcb, void *puser)
{
Mutex::Autolock l(&mLock);
Mutex::Autolock stateLock(&mStateLock);
return startPreviewInternal(pcb, puser,
mRecordingCallback,
mRecordingCallbackCookie);
}
void QualcommCameraHardware::stopPreview() {
ALOGV("stopPreview: E");
Mutex::Autolock l(&mLock);
if (!setCallbacks(NULL, NULL,
mRecordingCallback,
mRecordingCallbackCookie)) {
Mutex::Autolock statelock(&mStateLock);
stopPreviewInternal();
}
ALOGV("stopPreview: X");
}
bool QualcommCameraHardware::previewEnabled() {
Mutex::Autolock l(&mLock);
return mCameraState == QCS_PREVIEW_IN_PROGRESS;
}
status_t QualcommCameraHardware::startRecording(
recording_callback rcb, void *ruser)
{
Mutex::Autolock l(&mLock);
Mutex::Autolock stateLock(&mStateLock);
return startPreviewInternal(mPreviewCallback,
mPreviewCallbackCookie,
rcb, ruser);
}
void QualcommCameraHardware::stopRecording() {
ALOGV("stopRecording: E");
Mutex::Autolock l(&mLock);
if (!setCallbacks(mPreviewCallback,
mPreviewCallbackCookie,
NULL, NULL)) {
Mutex::Autolock statelock(&mStateLock);
stopPreviewInternal();
}
ALOGV("stopRecording: X");
}
bool QualcommCameraHardware::recordingEnabled() {
Mutex::Autolock l(&mLock);
Mutex::Autolock stateLock(&mStateLock);
return mCameraState == QCS_PREVIEW_IN_PROGRESS &&
mRecordingCallback != NULL;
}
void QualcommCameraHardware::releaseRecordingFrame(
const sp<IMemory>& mem __attribute__((unused)))
{
Mutex::Autolock l(&mLock);
LINK_camera_release_frame();
}
status_t QualcommCameraHardware::autoFocus(autofocus_callback af_cb,
void *user)
{
ALOGV("Starting auto focus.");
Mutex::Autolock l(&mLock);
Mutex::Autolock lock(&mStateLock);
if (mCameraState != QCS_PREVIEW_IN_PROGRESS) {
ALOGE("Invalid camera state %s: expecting QCS_PREVIEW_IN_PROGRESS,"
" cannot start autofocus!",
getCameraStateStr(mCameraState));
return INVALID_OPERATION;
}
if (mAutoFocusCallback != NULL) {
ALOGV("Auto focus is already in progress");
return mAutoFocusCallback == af_cb ? NO_ERROR : INVALID_OPERATION;
}
mAutoFocusCallback = af_cb;
mAutoFocusCallbackCookie = user;
LINK_camera_start_focus(CAMERA_AUTO_FOCUS, camera_cb, this);
return NO_ERROR;
}
status_t QualcommCameraHardware::takePicture(shutter_callback shutter_cb,
raw_callback raw_cb,
jpeg_callback jpeg_cb,
void* user)
{
ALOGV("takePicture: E raw_cb = %p, jpeg_cb = %p",
raw_cb, jpeg_cb);
print_time();
Mutex::Autolock l(&mLock);
Mutex::Autolock stateLock(&mStateLock);
qualcomm_camera_state last_state = mCameraState;
if (mCameraState == QCS_PREVIEW_IN_PROGRESS) {
stopPreviewInternal();
}
// We check for these two states explicitly because it is possible
// for takePicture() to be called in response to a raw or JPEG
// callback, but before we've updated the state from QCS_WAITING_RAW
// or QCS_WAITING_JPEG to QCS_IDLE. This is because in camera_cb(),
// we update the state *after* we've made the callback. See that
// function for an explanation why.
if (mCameraState == QCS_WAITING_RAW ||
mCameraState == QCS_WAITING_JPEG) {
while (mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("waiting for QCS_IDLE");
mStateWait.wait(mStateLock);
}
}
if (mCameraState != QCS_IDLE) {
ALOGE("takePicture: %sunexpected state %d, expecting QCS_IDLE",
(last_state == QCS_PREVIEW_IN_PROGRESS ?
"(stop preview) " : ""),
mCameraState);
// If we had to stop preview in order to take a picture, and
// we failed to transition to a QCS_IDLE state, that's because
// of an internal error.
return last_state == QCS_PREVIEW_IN_PROGRESS ?
UNKNOWN_ERROR :
INVALID_OPERATION;
}
if (!initRaw(jpeg_cb != NULL)) {
ALOGE("initRaw failed. Not taking picture.");
return UNKNOWN_ERROR;
}
if (mCameraState != QCS_IDLE) {
ALOGE("takePicture: (init raw) "
"unexpected state %d, expecting QCS_IDLE",
mCameraState);
// If we had to stop preview in order to take a picture, and
// we failed to transition to a QCS_IDLE state, that's because
// of an internal error.
return last_state == QCS_PREVIEW_IN_PROGRESS ?
UNKNOWN_ERROR :
INVALID_OPERATION;
}
{
Mutex::Autolock cbLock(&mCallbackLock);
mShutterCallback = shutter_cb;
mRawPictureCallback = raw_cb;
mJpegPictureCallback = jpeg_cb;
mPictureCallbackCookie = user;
}
mCameraState = QCS_INTERNAL_RAW_REQUESTED;
LINK_camera_take_picture(camera_cb, this);
// It's possible for the YUV callback as well as the JPEG callbacks
// to be invoked before we even make it here, so we check for all
// possible result states from takePicture.
while (mCameraState != QCS_WAITING_RAW &&
mCameraState != QCS_WAITING_JPEG &&
mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("takePicture: waiting for QCS_WAITING_RAW or QCS_WAITING_JPEG");
mStateWait.wait(mStateLock);
ALOGV("takePicture: woke up, state is %s",
getCameraStateStr(mCameraState));
}
ALOGV("takePicture: X");
print_time();
return mCameraState != QCS_ERROR ?
NO_ERROR : UNKNOWN_ERROR;
}
status_t QualcommCameraHardware::cancelPicture(
bool cancel_shutter, bool cancel_raw, bool cancel_jpeg)
{
ALOGV("cancelPicture: E cancel_shutter = %d, cancel_raw = %d, cancel_jpeg = %d",
cancel_shutter, cancel_raw, cancel_jpeg);
Mutex::Autolock l(&mLock);
Mutex::Autolock stateLock(&mStateLock);
switch (mCameraState) {
case QCS_INTERNAL_RAW_REQUESTED:
case QCS_WAITING_RAW:
case QCS_WAITING_JPEG:
ALOGV("camera state is %s, stopping picture.",
getCameraStateStr(mCameraState));
{
Mutex::Autolock cbLock(&mCallbackLock);
if (cancel_shutter) mShutterCallback = NULL;
if (cancel_raw) mRawPictureCallback = NULL;
if (cancel_jpeg) mJpegPictureCallback = NULL;
}
while (mCameraState != QCS_IDLE &&
mCameraState != QCS_ERROR) {
ALOGV("cancelPicture: waiting for QCS_IDLE");
mStateWait.wait(mStateLock);
}
break;
default:
ALOGV("not taking a picture (state %s)",
getCameraStateStr(mCameraState));
}
ALOGV("cancelPicture: X");
return NO_ERROR;
}
status_t QualcommCameraHardware::setParameters(
const CameraParameters& params)
{
ALOGV("setParameters: E params = %p", &params);
Mutex::Autolock l(&mLock);
Mutex::Autolock lock(&mStateLock);
// FIXME: verify params
// yuv422sp is here only for legacy reason. Unfortunately, we release
// the code with yuv422sp as the default and enforced setting. The
// correct setting is yuv420sp.
if ((strcmp(params.getPreviewFormat(), "yuv420sp") != 0) &&
(strcmp(params.getPreviewFormat(), "yuv422sp") != 0)) {
ALOGE("Only yuv420sp preview is supported");
return INVALID_OPERATION;
}
// FIXME: will this make a deep copy/do the right thing? String8 i
// should handle it
mParameters = params;
// libqcamera only supports certain size/aspect ratios
// find closest match that doesn't exceed app's request
int width, height;
params.getPreviewSize(&width, &height);
ALOGV("requested size %d x %d", width, height);
preview_size_type* ps = preview_sizes;
size_t i;
for (i = 0; i < PREVIEW_SIZE_COUNT; ++i, ++ps) {
if (width >= ps->width && height >= ps->height) break;
}
// app requested smaller size than supported, use smallest size
if (i == PREVIEW_SIZE_COUNT) ps--;
ALOGV("actual size %d x %d", ps->width, ps->height);
mParameters.setPreviewSize(ps->width, ps->height);
mParameters.getPreviewSize(&mPreviewWidth, &mPreviewHeight);
mParameters.getPictureSize(&mRawWidth, &mRawHeight);
mPreviewWidth = (mPreviewWidth + 1) & ~1;
mPreviewHeight = (mPreviewHeight + 1) & ~1;
mRawHeight = (mRawHeight + 1) & ~1;
mRawWidth = (mRawWidth + 1) & ~1;
initCameraParameters();
ALOGV("setParameters: X mCameraState=%d", mCameraState);
return mCameraState == QCS_IDLE ?
NO_ERROR : UNKNOWN_ERROR;
}
CameraParameters QualcommCameraHardware::getParameters() const
{
ALOGV("getParameters: EX");
return mParameters;
}
static CameraInfo sCameraInfo[] = {
{
CAMERA_FACING_BACK,
90, /* orientation */
}
};
extern "C" int HAL_getNumberOfCameras()
{
return sizeof(sCameraInfo) / sizeof(sCameraInfo[0]);
}
extern "C" void HAL_getCameraInfo(int cameraId, struct CameraInfo* cameraInfo)
{
memcpy(cameraInfo, &sCameraInfo[cameraId], sizeof(CameraInfo));
}
extern "C" sp<CameraHardwareInterface> HAL_openCameraHardware(int cameraId)
{
ALOGV("openCameraHardware: call createInstance");
return QualcommCameraHardware::createInstance();
}
wp<QualcommCameraHardware> QualcommCameraHardware::singleton;
// If the hardware already exists, return a strong pointer to the current
// object. If not, create a new hardware object, put it in the singleton,
// and return it.
sp<CameraHardwareInterface> QualcommCameraHardware::createInstance()
{
ALOGV("createInstance: E");
singleton_lock.lock();
if (singleton != 0) {
sp<CameraHardwareInterface> hardware = singleton.promote();
if (hardware != 0) {
ALOGV("createInstance: X return existing hardware=%p",
&(*hardware));
singleton_lock.unlock();
return hardware;
}
}
{
struct stat st;
int rc = stat("/dev/oncrpc", &st);
if (rc < 0) {
ALOGV("createInstance: X failed to create hardware: %s",
strerror(errno));
singleton_lock.unlock();
return NULL;
}
}
QualcommCameraHardware *cam = new QualcommCameraHardware();
sp<QualcommCameraHardware> hardware(cam);
singleton = hardware;
singleton_lock.unlock();
// initDefaultParameters() will cause the camera_cb() to be called.
// Since the latter tries to promote the singleton object to make sure
// it still exists, we need to call this function after we have set the
// singleton.
cam->initDefaultParameters();
ALOGV("createInstance: X created hardware=%p", &(*hardware));
return hardware;
}
// For internal use only, hence the strong pointer to the derived type.
sp<QualcommCameraHardware> QualcommCameraHardware::getInstance()
{
Mutex::Autolock singletonLock(&singleton_lock);
sp<CameraHardwareInterface> hardware = singleton.promote();
return (hardware != 0) ?
sp<QualcommCameraHardware>(static_cast<QualcommCameraHardware*>
(hardware.get())) :
NULL;
}
void* QualcommCameraHardware::get_preview_mem(uint32_t size,
uint32_t *phy_addr,
uint32_t index)
{
if (mPreviewHeap != NULL && mPreviewHeap->mHeap != NULL) {
uint8_t *base = (uint8_t *)mPreviewHeap->mHeap->base();
if (base && size <= mPreviewHeap->mSize.len) {
// For preview, associate the memory with the VFE task in the
// DSP. This way, when the DSP gets a command that has a
// physical address, it knows which pmem region to patch it
// against.
uint32_t vaddr = (uint32_t)(base + size*index);
ALOGV("get_preview_mem: base %p MALLOC size %d index %d --> %p",
base, size, index, (void *)vaddr);
*phy_addr = vaddr;
return (void *)vaddr;
}
}
ALOGV("get_preview_mem: X NULL");
return NULL;
}
void QualcommCameraHardware::free_preview_mem(uint32_t *phy_addr,
uint32_t size,
uint32_t index)
{
ALOGV("free_preview_mem: EX NOP");
return;
}
void* QualcommCameraHardware::get_raw_mem(uint32_t size,
uint32_t *phy_addr,
uint32_t index)
{
if (mRawHeap != NULL && mRawHeap->mHeap != NULL) {
uint8_t *base = (uint8_t *)mRawHeap->mHeap->base();
if (base && size <= mRawHeap->mSize.len) {
// For raw snapshot, associate the memory with the VFE and LPM
// tasks in the DSP. This way, when the DSP gets a command
// that has a physical address, it knows which pmem region to
// patch it against.
uint32_t vaddr = (uint32_t)(base + size*index);
ALOGV("get_raw_mem: base %p MALLOC size %d index %d --> %p",
base, size, index, (void *)vaddr);
*phy_addr = vaddr;
return (void *)vaddr;
}
}
ALOGV("get_raw_mem: X NULL");
return NULL;
}
void QualcommCameraHardware::free_raw_mem(uint32_t *phy_addr,
uint32_t size,
uint32_t index)
{
ALOGV("free_raw_mem: EX NOP");
return;
}
void QualcommCameraHardware::receivePreviewFrame(camera_frame_type *frame)
{
Mutex::Autolock cbLock(&mCallbackLock);
// Ignore the first frame--there is a bug in the VFE pipeline and that
// frame may be bad.
if (++mPreviewCount == 1) {
LINK_camera_release_frame();
return;
}
// Find the offset within the heap of the current buffer.
ssize_t offset = (uint32_t)frame->buf_Virt_Addr;
offset -= (uint32_t)mPreviewHeap->mHeap->base();
ssize_t frame_size = kRawFrameHeaderSize + frame->dx * frame->dy * 2;
if (offset + frame_size <=
(ssize_t)mPreviewHeap->mHeap->virtualSize()) {
#if 0
// frame->buffer includes the header, frame->buf_Virt_Addr skips it
ALOGV("PREVIEW FRAME CALLBACK "
"base %p addr %p offset %ld "
"framesz %dx%d=%ld (expect %d) rotation %d "
"(index %ld) size %d header_size 0x%x",
mPreviewHeap->mHeap->base(),
frame->buf_Virt_Addr,
offset,
frame->dx, frame->dy,
frame_size,
mPreviewFrameSize,
frame->rotation,
offset / frame_size,
mPreviewFrameSize, frame->header_size);
#endif
offset /= frame_size;
if (mPreviewCallback != NULL)
mPreviewCallback(mPreviewHeap->mBuffers[offset],
mPreviewCallbackCookie);
if (mRecordingCallback != NULL)
mRecordingCallback(mPreviewHeap->mBuffers[offset],
mRecordingCallbackCookie);
else {
// When we are doing preview but not recording, we need to
// release every preview frame immediately so that the next
// preview frame is delivered. However, when we are recording
// (whether or not we are also streaming the preview frames to
// the screen), we have the user explicitly release a preview
// frame via method releaseRecordingFrame(). In this way we
// allow a video encoder which is potentially slower than the
// preview stream to skip frames. Note that we call
// LINK_camera_release_frame() in this method because we first
// need to check to see if mPreviewCallback != NULL, which
// requires holding mCallbackLock.
LINK_camera_release_frame();
}
}
else ALOGE("Preview frame virtual address %p is out of range!",
frame->buf_Virt_Addr);
}
void
QualcommCameraHardware::notifyShutter()
{
ALOGV("notifyShutter: E");
print_time();
Mutex::Autolock lock(&mStateLock);
if (mShutterCallback)
mShutterCallback(mPictureCallbackCookie);
print_time();
ALOGV("notifyShutter: X");
}
// Pass the pre-LPM raw picture to raw picture callback.
// This method is called by a libqcamera thread, different from the one on
// which startPreview() or takePicture() are called.
void QualcommCameraHardware::receiveRawPicture(camera_frame_type *frame)
{
ALOGV("receiveRawPicture: E");
print_time();
Mutex::Autolock cbLock(&mCallbackLock);
if (mRawPictureCallback != NULL) {
// FIXME: WHY IS buf_Virt_Addr ZERO??
frame->buf_Virt_Addr = (uint32_t*)frame->buffer;
// Find the offset within the heap of the current buffer.
ssize_t offset = (uint32_t)frame->buf_Virt_Addr;
offset -= (uint32_t)mRawHeap->mHeap->base();
ssize_t frame_size = kRawFrameHeaderSize +
frame->captured_dx * frame->captured_dy * 2;
if (offset + frame_size <=
(ssize_t)mRawHeap->mHeap->virtualSize()) {
#if 0
// frame->buffer includes the header, frame->buf_Virt_Addr
// skips it.
ALOGV("receiveRawPicture: RAW CALLBACK (CB %p) "
"base %p addr %p buffer %p offset %ld "
"framesz %dx%d=%ld (expect %d) rotation %d "
"(index %ld) size %d header_size 0x%x",
mRawPictureCallback,
mRawHeap->mHeap->base(),
frame->buf_Virt_Addr,
frame->buffer,
offset,
frame->captured_dx, frame->captured_dy,
frame_size,
mRawSize,
frame->rotation,
offset / frame_size,
mRawSize, frame->header_size);
#endif
offset /= frame_size;
mRawPictureCallback(mRawHeap->mBuffers[offset],
mPictureCallbackCookie);
}
else ALOGE("receiveRawPicture: virtual address %p is out of range!",
frame->buf_Virt_Addr);
}
else ALOGV("Raw-picture callback was canceled--skipping.");
print_time();
ALOGV("receiveRawPicture: X");
}
// Encode the post-LPM raw picture.
// This method is called by a libqcamera thread, different from the one on
// which startPreview() or takePicture() are called.
void
QualcommCameraHardware::receivePostLpmRawPicture(camera_frame_type *frame)
{
ALOGV("receivePostLpmRawPicture: E");
print_time();
qualcomm_camera_state new_state = QCS_ERROR;
Mutex::Autolock cbLock(&mCallbackLock);
if (mJpegPictureCallback != NULL) {
bool encode_location = true;
#define PARSE_LOCATION(what,type,fmt,desc) do { \
pt.what = 0; \
const char *what##_str = mParameters.get("gps-"#what); \
ALOGV("receiveRawPicture: GPS PARM %s --> [%s]", "gps-"#what, what##_str); \
if (what##_str) { \
type what = 0; \
if (sscanf(what##_str, fmt, &what) == 1) \
pt.what = what; \
else { \
ALOGE("GPS " #what " %s could not" \
" be parsed as a " #desc, \
what##_str); \
encode_location = false; \
} \
} \
else { \
ALOGW("receiveRawPicture: GPS " #what " not specified: " \
"defaulting to zero in EXIF header."); \
encode_location = false; \
} \
} while(0)
PARSE_LOCATION(timestamp, long, "%ld", "long");
if (!pt.timestamp) pt.timestamp = time(NULL);
PARSE_LOCATION(altitude, short, "%hd", "short");
PARSE_LOCATION(latitude, double, "%lf", "double float");
PARSE_LOCATION(longitude, double, "%lf", "double float");
#undef PARSE_LOCATION
if (encode_location) {
ALOGV("receiveRawPicture: setting image location ALT %d LAT %lf LON %lf",
pt.altitude, pt.latitude, pt.longitude);
if (LINK_camera_set_position(&pt, NULL, NULL) != CAMERA_SUCCESS) {
ALOGE("receiveRawPicture: camera_set_position: error");
/* return; */ // not a big deal
}
}
else ALOGV("receiveRawPicture: not setting image location");
mJpegSize = 0;
camera_handle.device = CAMERA_DEVICE_MEM;
camera_handle.mem.encBuf_num = MAX_JPEG_ENCODE_BUF_NUM;
for (int cnt = 0; cnt < MAX_JPEG_ENCODE_BUF_NUM; cnt++) {
camera_handle.mem.encBuf[cnt].buffer = (uint8_t *)
malloc(MAX_JPEG_ENCODE_BUF_LEN);
camera_handle.mem.encBuf[cnt].buf_len =
MAX_JPEG_ENCODE_BUF_LEN;
camera_handle.mem.encBuf[cnt].used_len = 0;
} /* for */
LINK_camera_encode_picture(frame, &camera_handle, camera_cb, this);
}
else {
ALOGV("JPEG callback was cancelled--not encoding image.");
// We need to keep the raw heap around until the JPEG is fully
// encoded, because the JPEG encode uses the raw image contained in
// that heap.
mRawHeap = NULL;
}
print_time();
ALOGV("receivePostLpmRawPicture: X");
}
void
QualcommCameraHardware::receiveJpegPictureFragment(
JPEGENC_CBrtnType *encInfo)
{
camera_encode_mem_type *enc =
(camera_encode_mem_type *)encInfo->outPtr;
int index = enc - camera_handle.mem.encBuf;
uint8_t *base = (uint8_t *)mJpegHeap->mHeap->base();
uint32_t size = encInfo->size;
uint32_t remaining = mJpegHeap->mHeap->virtualSize();
remaining -= mJpegSize;
ALOGV("receiveJpegPictureFragment: (index %d status %d size %d)",
index,
encInfo->status,
size);
if (size > remaining) {
ALOGE("receiveJpegPictureFragment: size %d exceeds what "
"remains in JPEG heap (%d), truncating",
size,
remaining);
size = remaining;
}
camera_handle.mem.encBuf[index].used_len = 0;
memcpy(base + mJpegSize, enc->buffer, size);
mJpegSize += size;
}
// This method is called by a libqcamera thread, different from the one on
// which startPreview() or takePicture() are called.
void
QualcommCameraHardware::receiveJpegPicture(void)
{
ALOGV("receiveJpegPicture: E image (%d bytes out of %d)",
mJpegSize, mJpegHeap->mBufferSize);
print_time();
Mutex::Autolock cbLock(&mCallbackLock);
int index = 0;
if (mJpegPictureCallback) {
// The reason we do not allocate into mJpegHeap->mBuffers[offset] is
// that the JPEG image's size will probably change from one snapshot
// to the next, so we cannot reuse the MemoryBase object.
sp<MemoryBase> buffer = new
MemoryBase(mJpegHeap->mHeap,
index * mJpegHeap->mBufferSize +
mJpegHeap->mFrameOffset,
mJpegSize);
mJpegPictureCallback(buffer, mPictureCallbackCookie);
buffer = NULL;
}
else ALOGV("JPEG callback was cancelled--not delivering image.");
// NOTE: the JPEG encoder uses the raw image contained in mRawHeap, so we need
// to keep the heap around until the encoding is complete.
mJpegHeap = NULL;
mRawHeap = NULL;
for (int cnt = 0; cnt < MAX_JPEG_ENCODE_BUF_NUM; cnt++) {
if (camera_handle.mem.encBuf[cnt].buffer != NULL) {
free(camera_handle.mem.encBuf[cnt].buffer);
memset(camera_handle.mem.encBuf + cnt, 0,
sizeof(camera_encode_mem_type));
}
} /* for */
print_time();
ALOGV("receiveJpegPicture: X callback done.");
}
struct str_map {
const char *const desc;
int val;
};
static const struct str_map wb_map[] = {
{ "auto", CAMERA_WB_AUTO },
{ "custom", CAMERA_WB_CUSTOM },
{ "incandescent", CAMERA_WB_INCANDESCENT },
{ "fluorescent", CAMERA_WB_FLUORESCENT },
{ "daylight", CAMERA_WB_DAYLIGHT },
{ "cloudy", CAMERA_WB_CLOUDY_DAYLIGHT },
{ "twilight", CAMERA_WB_TWILIGHT },
{ "shade", CAMERA_WB_SHADE },
{ NULL, 0 }
};
static const struct str_map effect_map[] = {
{ "off", CAMERA_EFFECT_OFF },
{ "mono", CAMERA_EFFECT_MONO },
{ "negative", CAMERA_EFFECT_NEGATIVE },
{ "solarize", CAMERA_EFFECT_SOLARIZE },
{ "pastel", CAMERA_EFFECT_PASTEL },
{ "mosaic", CAMERA_EFFECT_MOSAIC },
{ "resize", CAMERA_EFFECT_RESIZE },
{ "sepia", CAMERA_EFFECT_SEPIA },
{ "posterize", CAMERA_EFFECT_POSTERIZE },
{ "whiteboard", CAMERA_EFFECT_WHITEBOARD },
{ "blackboard", CAMERA_EFFECT_BLACKBOARD },
{ "aqua", CAMERA_EFFECT_AQUA },
{ NULL, 0 }
};
static const struct str_map brightness_map[] = {
{ "0", CAMERA_BRIGHTNESS_0 },
{ "1", CAMERA_BRIGHTNESS_1 },
{ "2", CAMERA_BRIGHTNESS_2 },
{ "3", CAMERA_BRIGHTNESS_3 },
{ "4", CAMERA_BRIGHTNESS_4 },
{ "5", CAMERA_BRIGHTNESS_5 },
{ "6", CAMERA_BRIGHTNESS_6 },
{ "7", CAMERA_BRIGHTNESS_7 },
{ "8", CAMERA_BRIGHTNESS_8 },
{ "9", CAMERA_BRIGHTNESS_9 },
{ "10", CAMERA_BRIGHTNESS_10 },
{ NULL, 0 }
};
static const struct str_map antibanding_map[] = {
{ "off", CAMERA_ANTIBANDING_OFF },
{ "50hz", CAMERA_ANTIBANDING_50HZ },
{ "60hz", CAMERA_ANTIBANDING_60HZ },
{ "auto", CAMERA_ANTIBANDING_AUTO },
{ NULL, 0 }
};
static const struct str_map iso_map[] = {
{ "auto", CAMERA_ISO_AUTO },
{ "high", CAMERA_ISO_HIGH },
{ NULL, 0 }
};
static int lookup(const struct str_map *const arr, const char *name, int def)
{
if (name) {
const struct str_map * trav = arr;
while (trav->desc) {
if (!strcmp(trav->desc, name))
return trav->val;
trav++;
}
}
return def;
}
void QualcommCameraHardware::initCameraParameters()
{
ALOGV("initCameraParameters: E");
// Because libqcamera is broken, for the camera_set_parm() calls
// QualcommCameraHardware camera_cb() is called synchronously,
// so we cannot wait on a state change. Also, we have to unlock
// the mStateLock, because camera_cb() acquires it.
startCameraIfNecessary();
#define SET_PARM(x,y) do { \
ALOGV("initCameraParameters: set parm: %s, %d", #x, y); \
LINK_camera_set_parm (x, y, NULL, NULL); \
} while(0)
/* Preview Mode: snapshot or movie */
SET_PARM(CAMERA_PARM_PREVIEW_MODE, CAMERA_PREVIEW_MODE_SNAPSHOT);
/* Default Rotation - none */
int rotation = mParameters.getInt("rotation");
// Rotation may be negative, but may not be -1, because it has to be a
// multiple of 90. That's why we can still interpret -1 as an error,
if (rotation == -1) {
ALOGV("rotation not specified or is invalid, defaulting to 0");
rotation = 0;
}
else if (rotation % 90) {
ALOGE("rotation %d is not a multiple of 90 degrees! Defaulting to zero.",
rotation);
rotation = 0;
}
else {
// normalize to [0 - 270] degrees
rotation %= 360;
if (rotation < 0) rotation += 360;
}
SET_PARM(CAMERA_PARM_ENCODE_ROTATION, rotation);
SET_PARM(CAMERA_PARM_WB,
lookup(wb_map,
mParameters.get("whitebalance"),
CAMERA_WB_AUTO));
SET_PARM(CAMERA_PARM_EFFECT,
lookup(effect_map,
mParameters.get("effect"),
CAMERA_EFFECT_OFF));
SET_PARM(CAMERA_PARM_BRIGHTNESS,
lookup(brightness_map,
mParameters.get("exposure-offset"),
CAMERA_BRIGHTNESS_DEFAULT));
SET_PARM(CAMERA_PARM_ISO,
lookup(iso_map,
mParameters.get("iso"),
CAMERA_ISO_AUTO));
SET_PARM(CAMERA_PARM_ANTIBANDING,
lookup(antibanding_map,
mParameters.get("antibanding"),
CAMERA_ANTIBANDING_AUTO));
int ns_mode = mParameters.getInt("nightshot-mode");
if (ns_mode < 0) ns_mode = 0;
SET_PARM(CAMERA_PARM_NIGHTSHOT_MODE, ns_mode);
int luma_adaptation = mParameters.getInt("luma-adaptation");
if (luma_adaptation < 0) luma_adaptation = 0;
SET_PARM(CAMERA_PARM_LUMA_ADAPTATION, luma_adaptation);
#undef SET_PARM
#if 0
/* Default Auto FPS: 30 (maximum) */
LINK_camera_set_parm_2 (CAMERA_PARM_PREVIEW_FPS,
(1<<16|20), // max frame rate 30
(4<<16|20), // min frame rate 5
NULL,
NULL);
#endif
int th_w, th_h, th_q;
th_w = mParameters.getInt("jpeg-thumbnail-width");
if (th_w < 0) ALOGW("property jpeg-thumbnail-width not specified");
th_h = mParameters.getInt("jpeg-thumbnail-height");
if (th_h < 0) ALOGW("property jpeg-thumbnail-height not specified");
th_q = mParameters.getInt("jpeg-thumbnail-quality");
if (th_q < 0) ALOGW("property jpeg-thumbnail-quality not specified");
if (th_w > 0 && th_h > 0 && th_q > 0) {
ALOGI("setting thumbnail dimensions to %dx%d, quality %d",
th_w, th_h, th_q);
int ret = LINK_camera_set_thumbnail_properties(th_w, th_h, th_q);
if (ret != CAMERA_SUCCESS) {
ALOGE("LINK_camera_set_thumbnail_properties returned %d", ret);
}
}
#if defined FEATURE_CAMERA_ENCODE_PROPERTIES
/* Set Default JPEG encoding--this does not cause a callback */
encode_properties.quality = mParameters.getInt("jpeg-quality");
if (encode_properties.quality < 0) {
ALOGW("JPEG-image quality is not specified "
"or is negative, defaulting to %d",
encode_properties.quality);
encode_properties.quality = 100;
}
else ALOGV("Setting JPEG-image quality to %d",
encode_properties.quality);
encode_properties.format = CAMERA_JPEG;
encode_properties.file_size = 0x0;
LINK_camera_set_encode_properties(&encode_properties);
#else
#warning 'FEATURE_CAMERA_ENCODE_PROPERTIES should be enabled!'
#endif
ALOGV("initCameraParameters: X");
}
// Called with mStateLock held!
void QualcommCameraHardware::setCameraDimensions()
{
if (mCameraState != QCS_IDLE) {
ALOGE("set camera dimensions: expecting state QCS_IDLE, not %s",
getCameraStateStr(mCameraState));
return;
}
LINK_camera_set_dimensions(mRawWidth,
mRawHeight,
mPreviewWidth,
mPreviewHeight,
NULL,
NULL);
}
QualcommCameraHardware::qualcomm_camera_state
QualcommCameraHardware::change_state(qualcomm_camera_state new_state,
bool lock)
{
if (lock) mStateLock.lock();
if (new_state != mCameraState) {
// Due to the fact that we allow only one thread at a time to call
// startPreview(), stopPreview(), or takePicture(), we know that
// only one thread at a time may be blocked waiting for a state
// transition on mStateWait. That's why we signal(), not
// broadcast().
ALOGV("state transition %s --> %s",
getCameraStateStr(mCameraState),
getCameraStateStr(new_state));
mCameraState = new_state;
mStateWait.signal();
}
if (lock) mStateLock.unlock();
return new_state;
}
#define CAMERA_STATE(n) case n: if(n != CAMERA_FUNC_START_PREVIEW || cb != CAMERA_EVT_CB_FRAME) ALOGV("STATE %s // STATUS %d", #n, cb);
#define TRANSITION(e,s) do { \
obj->change_state(obj->mCameraState == e ? s : QCS_ERROR); \
} while(0)
#define TRANSITION_LOCKED(e,s) do { \
obj->change_state((obj->mCameraState == e ? s : QCS_ERROR), false); \
} while(0)
#define TRANSITION_ALWAYS(s) obj->change_state(s)
// This callback is called from the destructor.
void QualcommCameraHardware::stop_camera_cb(camera_cb_type cb,
const void *client_data,
camera_func_type func,
int32_t parm4)
{
QualcommCameraHardware *obj =
(QualcommCameraHardware *)client_data;
switch(func) {
CAMERA_STATE(CAMERA_FUNC_STOP)
TRANSITION(QCS_INTERNAL_STOPPING, QCS_INIT);
break;
default:
break;
}
}
void QualcommCameraHardware::camera_cb(camera_cb_type cb,
const void *client_data,
camera_func_type func,
int32_t parm4)
{
QualcommCameraHardware *obj =
(QualcommCameraHardware *)client_data;
// Promote the singleton to make sure that we do not get destroyed
// while this callback is executing.
if (UNLIKELY(getInstance() == NULL)) {
ALOGE("camera object has been destroyed--returning immediately");
return;
}
if (cb == CAMERA_EXIT_CB_ABORT || /* Function aborted */
cb == CAMERA_EXIT_CB_DSP_ABORT || /* Abort due to DSP failure */
cb == CAMERA_EXIT_CB_ERROR || /* Failed due to resource */
cb == CAMERA_EXIT_CB_FAILED) /* Execution failed or rejected */
{
// Autofocus failures occur relatively often and are not fatal, so
// we do not transition to QCS_ERROR for them.
if (func != CAMERA_FUNC_START_FOCUS) {
ALOGE("QualcommCameraHardware::camera_cb: @CAMERA_EXIT_CB_FAILURE(%d) in state %s.",
parm4,
obj->getCameraStateStr(obj->mCameraState));
TRANSITION_ALWAYS(QCS_ERROR);
}
}
switch(func) {
// This is the commonest case.
CAMERA_STATE(CAMERA_FUNC_START_PREVIEW)
switch(cb) {
case CAMERA_RSP_CB_SUCCESS:
TRANSITION(QCS_INTERNAL_PREVIEW_REQUESTED,
QCS_PREVIEW_IN_PROGRESS);
break;
case CAMERA_EVT_CB_FRAME:
switch (obj->mCameraState) {
case QCS_PREVIEW_IN_PROGRESS:
if (parm4)
obj->receivePreviewFrame((camera_frame_type *)parm4);
break;
case QCS_INTERNAL_PREVIEW_STOPPING:
ALOGE("camera cb: discarding preview frame "
"while stopping preview");
break;
default:
// transition to QCS_ERROR
ALOGE("camera cb: invalid state %s for preview!",
obj->getCameraStateStr(obj->mCameraState));
break;
}
/* -- this function is called now inside of receivePreviewFrame.
LINK_camera_release_frame();
*/
break;
default:
// transition to QCS_ERROR
ALOGE("unexpected cb %d for CAMERA_FUNC_START_PREVIEW.",
cb);
}
break;
CAMERA_STATE(CAMERA_FUNC_START)
TRANSITION(QCS_INIT, QCS_IDLE);
break;
/* -- this case handled in stop_camera_cb() now.
CAMERA_STATE(CAMERA_FUNC_STOP)
TRANSITION(QCS_INTERNAL_STOPPING, QCS_INIT);
break;
*/
CAMERA_STATE(CAMERA_FUNC_STOP_PREVIEW)
TRANSITION(QCS_INTERNAL_PREVIEW_STOPPING,
QCS_IDLE);
break;
CAMERA_STATE(CAMERA_FUNC_TAKE_PICTURE)
if (cb == CAMERA_RSP_CB_SUCCESS) {
TRANSITION(QCS_INTERNAL_RAW_REQUESTED,
QCS_WAITING_RAW);
}
else if (cb == CAMERA_EVT_CB_SNAPSHOT_DONE) {
obj->notifyShutter();
// Received pre-LPM raw picture. Notify callback now.
obj->receiveRawPicture((camera_frame_type *)parm4);
}
else if (cb == CAMERA_EXIT_CB_DONE) {
// It's important that we call receiveRawPicture() before
// we transition the state because another thread may be
// waiting in cancelPicture(), and then delete this object.
// If the order were reversed, we might call
// receiveRawPicture on a dead object.
ALOGV("Receiving post LPM raw picture.");
obj->receivePostLpmRawPicture((camera_frame_type *)parm4);
{
Mutex::Autolock lock(&obj->mStateLock);
TRANSITION_LOCKED(QCS_WAITING_RAW,
obj->mJpegPictureCallback != NULL ?
QCS_WAITING_JPEG :
QCS_IDLE);
}
} else { // transition to QCS_ERROR
if (obj->mCameraState == QCS_ERROR) {
ALOGE("camera cb: invalid state %s for taking a picture!",
obj->getCameraStateStr(obj->mCameraState));
obj->mRawPictureCallback(NULL, obj->mPictureCallbackCookie);
obj->mJpegPictureCallback(NULL, obj->mPictureCallbackCookie);
TRANSITION_ALWAYS(QCS_IDLE);
}
}
break;
CAMERA_STATE(CAMERA_FUNC_ENCODE_PICTURE)
switch (cb) {
case CAMERA_RSP_CB_SUCCESS:
// We already transitioned the camera state to
// QCS_WAITING_JPEG when we called
// camera_encode_picture().
break;
case CAMERA_EXIT_CB_BUFFER:
if (obj->mCameraState == QCS_WAITING_JPEG) {
obj->receiveJpegPictureFragment(
(JPEGENC_CBrtnType *)parm4);
}
else ALOGE("camera cb: invalid state %s for receiving "
"JPEG fragment!",
obj->getCameraStateStr(obj->mCameraState));
break;
case CAMERA_EXIT_CB_DONE:
if (obj->mCameraState == QCS_WAITING_JPEG) {
// Receive the last fragment of the image.
obj->receiveJpegPictureFragment(
(JPEGENC_CBrtnType *)parm4);
// The size of the complete JPEG image is in
// mJpegSize.
// It's important that we call receiveJpegPicture()
// before we transition the state because another
// thread may be waiting in cancelPicture(), and then
// delete this object. If the order were reversed, we
// might call receiveRawPicture on a dead object.
obj->receiveJpegPicture();
TRANSITION(QCS_WAITING_JPEG, QCS_IDLE);
}
// transition to QCS_ERROR
else ALOGE("camera cb: invalid state %s for "
"receiving JPEG!",
obj->getCameraStateStr(obj->mCameraState));
break;
default:
// transition to QCS_ERROR
ALOGE("camera cb: unknown cb %d for JPEG!", cb);
}
break;
CAMERA_STATE(CAMERA_FUNC_START_FOCUS) {
// NO TRANSITION HERE. We acquire mStateLock here because it is
// possible for ::autoFocus to be called after the call to
// mAutoFocusCallback() but before we set mAutoFocusCallback
// to NULL.
if (obj->mAutoFocusCallback) {
switch (cb) {
case CAMERA_RSP_CB_SUCCESS:
ALOGV("camera cb: autofocus has started.");
break;
case CAMERA_EXIT_CB_DONE: {
ALOGV("camera cb: autofocus succeeded.");
Mutex::Autolock lock(&obj->mStateLock);
if (obj->mAutoFocusCallback) {
obj->mAutoFocusCallback(true,
obj->mAutoFocusCallbackCookie);
obj->mAutoFocusCallback = NULL;
}
}
break;
case CAMERA_EXIT_CB_ABORT:
ALOGE("camera cb: autofocus aborted");
break;
case CAMERA_EXIT_CB_FAILED: {
ALOGE("camera cb: autofocus failed");
Mutex::Autolock lock(&obj->mStateLock);
if (obj->mAutoFocusCallback) {
obj->mAutoFocusCallback(false,
obj->mAutoFocusCallbackCookie);
obj->mAutoFocusCallback = NULL;
}
}
break;
default:
ALOGE("camera cb: unknown cb %d for "
"CAMERA_FUNC_START_FOCUS!", cb);
}
}
} break;
default:
// transition to QCS_ERROR
ALOGE("Unknown camera-callback status %d", cb);
}
}
#undef TRANSITION
#undef TRANSITION_LOCKED
#undef TRANSITION_ALWAYS
#undef CAMERA_STATE
static unsigned clp2(unsigned x) {
x = x - 1;
x = x | (x >> 1);
x = x | (x >> 2);
x = x | (x >> 4);
x = x | (x >> 8);
x = x | (x >>16);
return x + 1;
}
QualcommCameraHardware::MemPool::MemPool(int buffer_size, int num_buffers,
int frame_size,
int frame_offset,
const char *name) :
mBufferSize(buffer_size),
mNumBuffers(num_buffers),
mFrameSize(frame_size),
mFrameOffset(frame_offset),
mBuffers(NULL), mName(name)
{
// empty
}
void QualcommCameraHardware::MemPool::completeInitialization()
{
// If we do not know how big the frame will be, we wait to allocate
// the buffers describing the individual frames until we do know their
// size.
if (mFrameSize > 0) {
mBuffers = new sp<MemoryBase>[mNumBuffers];
for (int i = 0; i < mNumBuffers; i++) {
mBuffers[i] = new
MemoryBase(mHeap,
i * mBufferSize + mFrameOffset,
mFrameSize);
}
}
}
QualcommCameraHardware::AshmemPool::AshmemPool(int buffer_size, int num_buffers,
int frame_size,
int frame_offset,
const char *name) :
QualcommCameraHardware::MemPool(buffer_size,
num_buffers,
frame_size,
frame_offset,
name)
{
ALOGV("constructing MemPool %s backed by ashmem: "
"%d frames @ %d bytes, offset %d, "
"buffer size %d",
mName,
num_buffers, frame_size, frame_offset, buffer_size);
int page_mask = getpagesize() - 1;
int ashmem_size = buffer_size * num_buffers;
ashmem_size += page_mask;
ashmem_size &= ~page_mask;
mHeap = new MemoryHeapBase(ashmem_size);
completeInitialization();
}
QualcommCameraHardware::PmemPool::PmemPool(const char *pmem_pool,
int buffer_size, int num_buffers,
int frame_size,
int frame_offset,
const char *name) :
QualcommCameraHardware::MemPool(buffer_size,
num_buffers,
frame_size,
frame_offset,
name)
{
ALOGV("constructing MemPool %s backed by pmem pool %s: "
"%d frames @ %d bytes, offset %d, buffer size %d",
mName,
pmem_pool, num_buffers, frame_size, frame_offset,
buffer_size);
// Make a new mmap'ed heap that can be shared across processes.
mAlignedSize = clp2(buffer_size * num_buffers);
sp<MemoryHeapBase> masterHeap =
new MemoryHeapBase(pmem_pool, mAlignedSize, 0);
sp<MemoryHeapPmem> pmemHeap = new MemoryHeapPmem(masterHeap, 0);
if (pmemHeap->getHeapID() >= 0) {
pmemHeap->slap();
masterHeap.clear();
mHeap = pmemHeap;
pmemHeap.clear();
mFd = mHeap->getHeapID();
if (::ioctl(mFd, PMEM_GET_SIZE, &mSize)) {
ALOGE("pmem pool %s ioctl(PMEM_GET_SIZE) error %s (%d)",
pmem_pool,
::strerror(errno), errno);
mHeap.clear();
return;
}
ALOGV("pmem pool %s ioctl(PMEM_GET_SIZE) is %ld",
pmem_pool,
mSize.len);
completeInitialization();
}
else ALOGE("pmem pool %s error: could not create master heap!",
pmem_pool);
}
QualcommCameraHardware::PreviewPmemPool::PreviewPmemPool(
int buffer_size, int num_buffers,
int frame_size,
int frame_offset,
const char *name) :
QualcommCameraHardware::PmemPool("/dev/pmem_adsp",
buffer_size,
num_buffers,
frame_size,
frame_offset,
name)
{
ALOGV("constructing PreviewPmemPool");
if (initialized()) {
LINK_camera_assoc_pmem(QDSP_MODULE_VFETASK,
mFd,
mHeap->base(),
mAlignedSize,
0); // external
}
}
QualcommCameraHardware::PreviewPmemPool::~PreviewPmemPool()
{
ALOGV("destroying PreviewPmemPool");
if(initialized()) {
void *base = mHeap->base();
ALOGV("releasing PreviewPmemPool memory %p from module %d",
base, QDSP_MODULE_VFETASK);
LINK_camera_release_pmem(QDSP_MODULE_VFETASK, base,
mAlignedSize,
true);
}
}
QualcommCameraHardware::RawPmemPool::RawPmemPool(
const char *pmem_pool,
int buffer_size, int num_buffers,
int frame_size,
int frame_offset,
const char *name) :
QualcommCameraHardware::PmemPool(pmem_pool,
buffer_size,
num_buffers,
frame_size,
frame_offset,
name)
{
ALOGV("constructing RawPmemPool");
if (initialized()) {
LINK_camera_assoc_pmem(QDSP_MODULE_VFETASK,
mFd,
mHeap->base(),
mAlignedSize,
0); // do not free, main module
LINK_camera_assoc_pmem(QDSP_MODULE_LPMTASK,
mFd,
mHeap->base(),
mAlignedSize,
2); // do not free, dependent module
LINK_camera_assoc_pmem(QDSP_MODULE_JPEGTASK,
mFd,
mHeap->base(),
mAlignedSize,
2); // do not free, dependent module
}
}
QualcommCameraHardware::RawPmemPool::~RawPmemPool()
{
ALOGV("destroying RawPmemPool");
if(initialized()) {
void *base = mHeap->base();
ALOGV("releasing RawPmemPool memory %p from modules %d, %d, and %d",
base, QDSP_MODULE_VFETASK, QDSP_MODULE_LPMTASK,
QDSP_MODULE_JPEGTASK);
LINK_camera_release_pmem(QDSP_MODULE_VFETASK,
base, mAlignedSize, true);
LINK_camera_release_pmem(QDSP_MODULE_LPMTASK,
base, mAlignedSize, true);
LINK_camera_release_pmem(QDSP_MODULE_JPEGTASK,
base, mAlignedSize, true);
}
}
QualcommCameraHardware::MemPool::~MemPool()
{
ALOGV("destroying MemPool %s", mName);
if (mFrameSize > 0)
delete [] mBuffers;
mHeap.clear();
ALOGV("destroying MemPool %s completed", mName);
}
status_t QualcommCameraHardware::MemPool::dump(int fd, const Vector<String16>& args) const
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
snprintf(buffer, 255, "QualcommCameraHardware::AshmemPool::dump\n");
result.append(buffer);
if (mName) {
snprintf(buffer, 255, "mem pool name (%s)\n", mName);
result.append(buffer);
}
if (mHeap != 0) {
snprintf(buffer, 255, "heap base(%p), size(%d), flags(%d), device(%s)\n",
mHeap->getBase(), mHeap->getSize(),
mHeap->getFlags(), mHeap->getDevice());
result.append(buffer);
}
snprintf(buffer, 255, "buffer size (%d), number of buffers (%d),"
" frame size(%d), and frame offset(%d)\n",
mBufferSize, mNumBuffers, mFrameSize, mFrameOffset);
result.append(buffer);
write(fd, result.string(), result.size());
return NO_ERROR;
}
static uint8_t* malloc_preview(uint32_t size,
uint32_t *phy_addr, uint32_t index)
{
sp<QualcommCameraHardware> obj = QualcommCameraHardware::getInstance();
if (obj != 0) {
return (uint8_t *)obj->get_preview_mem(size, phy_addr, index);
}
return NULL;
}
static int free_preview(uint32_t *phy_addr, uint32_t size,
uint32_t index)
{
sp<QualcommCameraHardware> obj = QualcommCameraHardware::getInstance();
if (obj != 0) {
obj->free_preview_mem(phy_addr, size, index);
}
return 0;
}
static uint8_t* malloc_raw(uint32_t size,
uint32_t *phy_addr,
uint32_t index)
{
sp<QualcommCameraHardware> obj = QualcommCameraHardware::getInstance();
if (obj != 0) {
return (uint8_t *)obj->get_raw_mem(size, phy_addr, index);
}
return NULL;
}
static int free_raw(uint32_t *phy_addr,
uint32_t size,
uint32_t index)
{
sp<QualcommCameraHardware> obj = QualcommCameraHardware::getInstance();
if (obj != 0) {
obj->free_raw_mem(phy_addr, size, index);
}
return 0;
}
static void cb_rex_signal_ready(void)
{
ALOGV("Received REX-ready signal.");
rex_init_lock.lock();
rex_init_wait.broadcast();
rex_init_lock.unlock();
}
const char* const QualcommCameraHardware::getCameraStateStr(
QualcommCameraHardware::qualcomm_camera_state s)
{
static const char* states[] = {
#define STATE_STR(x) #x
STATE_STR(QCS_INIT),
STATE_STR(QCS_IDLE),
STATE_STR(QCS_ERROR),
STATE_STR(QCS_PREVIEW_IN_PROGRESS),
STATE_STR(QCS_WAITING_RAW),
STATE_STR(QCS_WAITING_JPEG),
STATE_STR(QCS_INTERNAL_PREVIEW_STOPPING),
STATE_STR(QCS_INTERNAL_PREVIEW_REQUESTED),
STATE_STR(QCS_INTERNAL_RAW_REQUESTED),
STATE_STR(QCS_INTERNAL_STOPPING),
#undef STATE_STR
};
return states[s];
}
}; // namespace android