/*
* Copyright (C) 2007 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 "BootAnimation"
#include <stdint.h>
#include <sys/types.h>
#include <math.h>
#include <fcntl.h>
#include <utils/misc.h>
#include <signal.h>
#include <time.h>
#include <cutils/properties.h>
#include <androidfw/AssetManager.h>
#include <binder/IPCThreadState.h>
#include <utils/Atomic.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <ui/Region.h>
#include <ui/DisplayInfo.h>
#include <gui/ISurfaceComposer.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
// TODO: Fix Skia.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#include <SkBitmap.h>
#include <SkStream.h>
#include <SkImageDecoder.h>
#pragma GCC diagnostic pop
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <EGL/eglext.h>
#include "BootAnimation.h"
#include "AudioPlayer.h"
#define OEM_BOOTANIMATION_FILE "/oem/media/bootanimation.zip"
#define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip"
#define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip"
#define EXIT_PROP_NAME "service.bootanim.exit"
namespace android {
static const int ANIM_ENTRY_NAME_MAX = 256;
// ---------------------------------------------------------------------------
BootAnimation::BootAnimation() : Thread(false), mZip(NULL)
{
mSession = new SurfaceComposerClient();
}
BootAnimation::~BootAnimation() {
if (mZip != NULL) {
delete mZip;
}
}
void BootAnimation::onFirstRef() {
status_t err = mSession->linkToComposerDeath(this);
ALOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err));
if (err == NO_ERROR) {
run("BootAnimation", PRIORITY_DISPLAY);
}
}
sp<SurfaceComposerClient> BootAnimation::session() const {
return mSession;
}
void BootAnimation::binderDied(const wp<IBinder>&)
{
// woah, surfaceflinger died!
ALOGD("SurfaceFlinger died, exiting...");
// calling requestExit() is not enough here because the Surface code
// might be blocked on a condition variable that will never be updated.
kill( getpid(), SIGKILL );
requestExit();
if (mAudioPlayer != NULL) {
mAudioPlayer->requestExit();
}
}
status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets,
const char* name) {
Asset* asset = assets.open(name, Asset::ACCESS_BUFFER);
if (asset == NULL)
return NO_INIT;
SkBitmap bitmap;
SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(),
&bitmap, kUnknown_SkColorType, SkImageDecoder::kDecodePixels_Mode);
asset->close();
delete asset;
// ensure we can call getPixels(). No need to call unlock, since the
// bitmap will go out of scope when we return from this method.
bitmap.lockPixels();
const int w = bitmap.width();
const int h = bitmap.height();
const void* p = bitmap.getPixels();
GLint crop[4] = { 0, h, w, -h };
texture->w = w;
texture->h = h;
glGenTextures(1, &texture->name);
glBindTexture(GL_TEXTURE_2D, texture->name);
switch (bitmap.colorType()) {
case kAlpha_8_SkColorType:
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA,
GL_UNSIGNED_BYTE, p);
break;
case kARGB_4444_SkColorType:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4, p);
break;
case kN32_SkColorType:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_BYTE, p);
break;
case kRGB_565_SkColorType:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, p);
break;
default:
break;
}
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
return NO_ERROR;
}
status_t BootAnimation::initTexture(const Animation::Frame& frame)
{
//StopWatch watch("blah");
SkBitmap bitmap;
SkMemoryStream stream(frame.map->getDataPtr(), frame.map->getDataLength());
SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
if (codec != NULL) {
codec->setDitherImage(false);
codec->decode(&stream, &bitmap,
kN32_SkColorType,
SkImageDecoder::kDecodePixels_Mode);
delete codec;
}
// FileMap memory is never released until application exit.
// Release it now as the texture is already loaded and the memory used for
// the packed resource can be released.
delete frame.map;
// ensure we can call getPixels(). No need to call unlock, since the
// bitmap will go out of scope when we return from this method.
bitmap.lockPixels();
const int w = bitmap.width();
const int h = bitmap.height();
const void* p = bitmap.getPixels();
GLint crop[4] = { 0, h, w, -h };
int tw = 1 << (31 - __builtin_clz(w));
int th = 1 << (31 - __builtin_clz(h));
if (tw < w) tw <<= 1;
if (th < h) th <<= 1;
switch (bitmap.colorType()) {
case kN32_SkColorType:
if (tw != w || th != h) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
GL_UNSIGNED_BYTE, 0);
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p);
} else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA,
GL_UNSIGNED_BYTE, p);
}
break;
case kRGB_565_SkColorType:
if (tw != w || th != h) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, 0);
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p);
} else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, p);
}
break;
default:
break;
}
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
return NO_ERROR;
}
status_t BootAnimation::readyToRun() {
mAssets.addDefaultAssets();
sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay(
ISurfaceComposer::eDisplayIdMain));
DisplayInfo dinfo;
status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &dinfo);
if (status)
return -1;
// create the native surface
sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"),
dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
SurfaceComposerClient::openGlobalTransaction();
control->setLayer(0x40000000);
SurfaceComposerClient::closeGlobalTransaction();
sp<Surface> s = control->getSurface();
// initialize opengl and egl
const EGLint attribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_DEPTH_SIZE, 0,
EGL_NONE
};
EGLint w, h;
EGLint numConfigs;
EGLConfig config;
EGLSurface surface;
EGLContext context;
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, 0, 0);
eglChooseConfig(display, attribs, &config, 1, &numConfigs);
surface = eglCreateWindowSurface(display, config, s.get(), NULL);
context = eglCreateContext(display, config, NULL, NULL);
eglQuerySurface(display, surface, EGL_WIDTH, &w);
eglQuerySurface(display, surface, EGL_HEIGHT, &h);
if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE)
return NO_INIT;
mDisplay = display;
mContext = context;
mSurface = surface;
mWidth = w;
mHeight = h;
mFlingerSurfaceControl = control;
mFlingerSurface = s;
// If the device has encryption turned on or is in process
// of being encrypted we show the encrypted boot animation.
char decrypt[PROPERTY_VALUE_MAX];
property_get("vold.decrypt", decrypt, "");
bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt);
ZipFileRO* zipFile = NULL;
if ((encryptedAnimation &&
(access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) &&
((zipFile = ZipFileRO::open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE)) != NULL)) ||
((access(OEM_BOOTANIMATION_FILE, R_OK) == 0) &&
((zipFile = ZipFileRO::open(OEM_BOOTANIMATION_FILE)) != NULL)) ||
((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) &&
((zipFile = ZipFileRO::open(SYSTEM_BOOTANIMATION_FILE)) != NULL))) {
mZip = zipFile;
}
return NO_ERROR;
}
bool BootAnimation::threadLoop()
{
bool r;
// We have no bootanimation file, so we use the stock android logo
// animation.
if (mZip == NULL) {
r = android();
} else {
r = movie();
}
eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(mDisplay, mContext);
eglDestroySurface(mDisplay, mSurface);
mFlingerSurface.clear();
mFlingerSurfaceControl.clear();
eglTerminate(mDisplay);
IPCThreadState::self()->stopProcess();
return r;
}
bool BootAnimation::android()
{
initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png");
initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png");
// clear screen
glShadeModel(GL_FLAT);
glDisable(GL_DITHER);
glDisable(GL_SCISSOR_TEST);
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(mDisplay, mSurface);
glEnable(GL_TEXTURE_2D);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
const GLint xc = (mWidth - mAndroid[0].w) / 2;
const GLint yc = (mHeight - mAndroid[0].h) / 2;
const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h);
glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(),
updateRect.height());
// Blend state
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
const nsecs_t startTime = systemTime();
do {
nsecs_t now = systemTime();
double time = now - startTime;
float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w;
GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w;
GLint x = xc - offset;
glDisable(GL_SCISSOR_TEST);
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, mAndroid[1].name);
glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h);
glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h);
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, mAndroid[0].name);
glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h);
EGLBoolean res = eglSwapBuffers(mDisplay, mSurface);
if (res == EGL_FALSE)
break;
// 12fps: don't animate too fast to preserve CPU
const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now);
if (sleepTime > 0)
usleep(sleepTime);
checkExit();
} while (!exitPending());
glDeleteTextures(1, &mAndroid[0].name);
glDeleteTextures(1, &mAndroid[1].name);
return false;
}
void BootAnimation::checkExit() {
// Allow surface flinger to gracefully request shutdown
char value[PROPERTY_VALUE_MAX];
property_get(EXIT_PROP_NAME, value, "0");
int exitnow = atoi(value);
if (exitnow) {
requestExit();
if (mAudioPlayer != NULL) {
mAudioPlayer->requestExit();
}
}
}
// Parse a color represented as an HTML-style 'RRGGBB' string: each pair of
// characters in str is a hex number in [0, 255], which are converted to
// floating point values in the range [0.0, 1.0] and placed in the
// corresponding elements of color.
//
// If the input string isn't valid, parseColor returns false and color is
// left unchanged.
static bool parseColor(const char str[7], float color[3]) {
float tmpColor[3];
for (int i = 0; i < 3; i++) {
int val = 0;
for (int j = 0; j < 2; j++) {
val *= 16;
char c = str[2*i + j];
if (c >= '0' && c <= '9') val += c - '0';
else if (c >= 'A' && c <= 'F') val += (c - 'A') + 10;
else if (c >= 'a' && c <= 'f') val += (c - 'a') + 10;
else return false;
}
tmpColor[i] = static_cast<float>(val) / 255.0f;
}
memcpy(color, tmpColor, sizeof(tmpColor));
return true;
}
bool BootAnimation::readFile(const char* name, String8& outString)
{
ZipEntryRO entry = mZip->findEntryByName(name);
ALOGE_IF(!entry, "couldn't find %s", name);
if (!entry) {
return false;
}
FileMap* entryMap = mZip->createEntryFileMap(entry);
mZip->releaseEntry(entry);
ALOGE_IF(!entryMap, "entryMap is null");
if (!entryMap) {
return false;
}
outString.setTo((char const*)entryMap->getDataPtr(), entryMap->getDataLength());
delete entryMap;
return true;
}
bool BootAnimation::movie()
{
String8 desString;
if (!readFile("desc.txt", desString)) {
return false;
}
char const* s = desString.string();
// Create and initialize an AudioPlayer if we have an audio_conf.txt file
String8 audioConf;
if (readFile("audio_conf.txt", audioConf)) {
mAudioPlayer = new AudioPlayer;
if (!mAudioPlayer->init(audioConf.string())) {
ALOGE("mAudioPlayer.init failed");
mAudioPlayer = NULL;
}
}
Animation animation;
// Parse the description file
for (;;) {
const char* endl = strstr(s, "\n");
if (endl == NULL) break;
String8 line(s, endl - s);
const char* l = line.string();
int fps, width, height, count, pause;
char path[ANIM_ENTRY_NAME_MAX];
char color[7] = "000000"; // default to black if unspecified
char pathType;
if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) {
// ALOGD("> w=%d, h=%d, fps=%d", width, height, fps);
animation.width = width;
animation.height = height;
animation.fps = fps;
}
else if (sscanf(l, " %c %d %d %s #%6s", &pathType, &count, &pause, path, color) >= 4) {
// ALOGD("> type=%c, count=%d, pause=%d, path=%s, color=%s", pathType, count, pause, path, color);
Animation::Part part;
part.playUntilComplete = pathType == 'c';
part.count = count;
part.pause = pause;
part.path = path;
part.audioFile = NULL;
if (!parseColor(color, part.backgroundColor)) {
ALOGE("> invalid color '#%s'", color);
part.backgroundColor[0] = 0.0f;
part.backgroundColor[1] = 0.0f;
part.backgroundColor[2] = 0.0f;
}
animation.parts.add(part);
}
s = ++endl;
}
// read all the data structures
const size_t pcount = animation.parts.size();
void *cookie = NULL;
if (!mZip->startIteration(&cookie)) {
return false;
}
ZipEntryRO entry;
char name[ANIM_ENTRY_NAME_MAX];
while ((entry = mZip->nextEntry(cookie)) != NULL) {
const int foundEntryName = mZip->getEntryFileName(entry, name, ANIM_ENTRY_NAME_MAX);
if (foundEntryName > ANIM_ENTRY_NAME_MAX || foundEntryName == -1) {
ALOGE("Error fetching entry file name");
continue;
}
const String8 entryName(name);
const String8 path(entryName.getPathDir());
const String8 leaf(entryName.getPathLeaf());
if (leaf.size() > 0) {
for (size_t j=0 ; j<pcount ; j++) {
if (path == animation.parts[j].path) {
uint16_t method;
// supports only stored png files
if (mZip->getEntryInfo(entry, &method, NULL, NULL, NULL, NULL, NULL)) {
if (method == ZipFileRO::kCompressStored) {
FileMap* map = mZip->createEntryFileMap(entry);
if (map) {
Animation::Part& part(animation.parts.editItemAt(j));
if (leaf == "audio.wav") {
// a part may have at most one audio file
part.audioFile = map;
} else {
Animation::Frame frame;
frame.name = leaf;
frame.map = map;
part.frames.add(frame);
}
}
}
}
}
}
}
}
mZip->endIteration(cookie);
glShadeModel(GL_FLAT);
glDisable(GL_DITHER);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
const int xc = (mWidth - animation.width) / 2;
const int yc = ((mHeight - animation.height) / 2);
nsecs_t frameDuration = s2ns(1) / animation.fps;
Region clearReg(Rect(mWidth, mHeight));
clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));
for (size_t i=0 ; i<pcount ; i++) {
const Animation::Part& part(animation.parts[i]);
const size_t fcount = part.frames.size();
glBindTexture(GL_TEXTURE_2D, 0);
for (int r=0 ; !part.count || r<part.count ; r++) {
// Exit any non playuntil complete parts immediately
if(exitPending() && !part.playUntilComplete)
break;
// only play audio file the first time we animate the part
if (r == 0 && mAudioPlayer != NULL && part.audioFile) {
mAudioPlayer->playFile(part.audioFile);
}
glClearColor(
part.backgroundColor[0],
part.backgroundColor[1],
part.backgroundColor[2],
1.0f);
for (size_t j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) {
const Animation::Frame& frame(part.frames[j]);
nsecs_t lastFrame = systemTime();
if (r > 0) {
glBindTexture(GL_TEXTURE_2D, frame.tid);
} else {
if (part.count != 1) {
glGenTextures(1, &frame.tid);
glBindTexture(GL_TEXTURE_2D, frame.tid);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
initTexture(frame);
}
if (!clearReg.isEmpty()) {
Region::const_iterator head(clearReg.begin());
Region::const_iterator tail(clearReg.end());
glEnable(GL_SCISSOR_TEST);
while (head != tail) {
const Rect& r2(*head++);
glScissor(r2.left, mHeight - r2.bottom,
r2.width(), r2.height());
glClear(GL_COLOR_BUFFER_BIT);
}
glDisable(GL_SCISSOR_TEST);
}
// specify the y center as ceiling((mHeight - animation.height) / 2)
// which is equivalent to mHeight - (yc + animation.height)
glDrawTexiOES(xc, mHeight - (yc + animation.height),
0, animation.width, animation.height);
eglSwapBuffers(mDisplay, mSurface);
nsecs_t now = systemTime();
nsecs_t delay = frameDuration - (now - lastFrame);
//ALOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay));
lastFrame = now;
if (delay > 0) {
struct timespec spec;
spec.tv_sec = (now + delay) / 1000000000;
spec.tv_nsec = (now + delay) % 1000000000;
int err;
do {
err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL);
} while (err<0 && errno == EINTR);
}
checkExit();
}
usleep(part.pause * ns2us(frameDuration));
// For infinite parts, we've now played them at least once, so perhaps exit
if(exitPending() && !part.count)
break;
}
// free the textures for this part
if (part.count != 1) {
for (size_t j=0 ; j<fcount ; j++) {
const Animation::Frame& frame(part.frames[j]);
glDeleteTextures(1, &frame.tid);
}
}
}
return false;
}
// ---------------------------------------------------------------------------
}
; // namespace android