Merge pull request #5179 from RandomShaper/better-android-export

Enhanced Android export
This commit is contained in:
Juan Linietsky 2016-06-13 15:06:37 -03:00 committed by GitHub
commit 5f674bdca1
2 changed files with 172 additions and 20 deletions

View File

@ -1031,10 +1031,19 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
if (lSeek!=0)
{
if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
lSeek=0;
else
err=UNZ_ERRNO;
if (lSeek<0) {
// WORKAROUND for backwards seeking
z_off_t pos = ZTELL64(s->z_filefunc, s->filestream);
if (ZSEEK64(s->z_filefunc, s->filestream,pos+lSeek,ZLIB_FILEFUNC_SEEK_SET)==0)
lSeek=0;
else
err=UNZ_ERRNO;
} else {
if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
lSeek=0;
else
err=UNZ_ERRNO;
}
}
while(acc < file_info.size_file_extra)

View File

@ -9,6 +9,7 @@
#include "os/file_access.h"
#include "os/os.h"
#include "platform/android/logo.h"
#include <string.h>
static const char* android_perms[]={
@ -231,6 +232,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
void _fix_manifest(Vector<uint8_t>& p_manifest, bool p_give_internet);
void _fix_resources(Vector<uint8_t>& p_manifest);
static Error save_apk_file(void *p_userdata,const String& p_path, const Vector<uint8_t>& p_data,int p_file,int p_total);
static bool _should_compress_asset(const String& p_path);
protected:
@ -1001,7 +1003,7 @@ Error EditorExportPlatformAndroid::save_apk_file(void *p_userdata,const String&
NULL,
0,
NULL,
Z_DEFLATED,
_should_compress_asset(p_path) ? Z_DEFLATED : 0,
Z_DEFAULT_COMPRESSION);
@ -1012,13 +1014,63 @@ Error EditorExportPlatformAndroid::save_apk_file(void *p_userdata,const String&
}
bool EditorExportPlatformAndroid::_should_compress_asset(const String& p_path) {
/*
* By not compressing files with little or not benefit in doing so,
* a performance gain is expected at runtime. Moreover, if the APK is
* zip-aligned, assets stored as they are can be efficiently read by
* Android by memory-mapping them.
*/
// -- Unconditional uncompress to mimic AAPT plus some other
static const char* unconditional_compress_ext[] = {
// From https://github.com/android/platform_frameworks_base/blob/master/tools/aapt/Package.cpp
// These formats are already compressed, or don't compress well:
".jpg", ".jpeg", ".png", ".gif",
".wav", ".mp2", ".mp3", ".ogg", ".aac",
".mpg", ".mpeg", ".mid", ".midi", ".smf", ".jet",
".rtttl", ".imy", ".xmf", ".mp4", ".m4a",
".m4v", ".3gp", ".3gpp", ".3g2", ".3gpp2",
".amr", ".awb", ".wma", ".wmv",
// Godot-specific:
".webp", // Same reasoning as .png
".cfb", // Don't let small config files slow-down startup
// Trailer for easier processing
NULL
};
for (const char** ext=unconditional_compress_ext; *ext; ++ext) {
if (p_path.to_lower().ends_with(String(*ext))) {
return false;
}
}
// -- Compressed resource?
FileAccess *f=FileAccess::open(p_path,FileAccess::READ);
ERR_FAIL_COND_V(!f,true);
uint8_t header[4];
f->get_buffer(header,4);
if (header[0]=='R' && header[1]=='S' && header[2]=='C' && header[3]=='C') {
// Already compressed
return false;
}
// --- TODO: Decide on texture resources according to their image compression setting
return true;
}
Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_debug, int p_flags) {
String src_apk;
EditorProgress ep("export","Exporting for Android",104);
EditorProgress ep("export","Exporting for Android",105);
if (p_debug)
src_apk=custom_debug_package;
@ -1058,7 +1110,8 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
zlib_filefunc_def io2=io;
FileAccess *dst_f=NULL;
io2.opaque=&dst_f;
zipFile apk=zipOpen2(p_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
String unaligned_path=EditorSettings::get_singleton()->get_settings_path()+"/tmp/tmpexport-unaligned.apk";
zipFile unaligned_apk=zipOpen2(unaligned_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
while(ret==UNZ_OK) {
@ -1137,7 +1190,11 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
print_line("ADDING: "+file);
if (!skip) {
zipOpenNewFileInZip(apk,
// Respect decision on compression made by AAPT for the export template
const bool uncompressed = info.compression_method == 0;
zipOpenNewFileInZip(unaligned_apk,
file.utf8().get_data(),
NULL,
NULL,
@ -1145,11 +1202,11 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
NULL,
0,
NULL,
Z_DEFLATED,
uncompressed ? 0 : Z_DEFLATED,
Z_DEFAULT_COMPRESSION);
zipWriteInFileInZip(apk,data.ptr(),data.size());
zipCloseFileInZip(apk);
zipWriteInFileInZip(unaligned_apk,data.ptr(),data.size());
zipCloseFileInZip(unaligned_apk);
}
ret = unzGoToNextFile(pkg);
@ -1206,7 +1263,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
APKExportData ed;
ed.ep=&ep;
ed.apk=apk;
ed.apk=unaligned_apk;
err = export_project_files(save_apk_file,&ed,false);
}
@ -1235,7 +1292,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
print_line(itos(i)+" param: "+cl[i]);
}
zipOpenNewFileInZip(apk,
zipOpenNewFileInZip(unaligned_apk,
"assets/_cl_",
NULL,
NULL,
@ -1243,15 +1300,15 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
NULL,
0,
NULL,
Z_DEFLATED,
0, // No compress (little size gain and potentially slower startup)
Z_DEFAULT_COMPRESSION);
zipWriteInFileInZip(apk,clf.ptr(),clf.size());
zipCloseFileInZip(apk);
zipWriteInFileInZip(unaligned_apk,clf.ptr(),clf.size());
zipCloseFileInZip(unaligned_apk);
}
zipClose(apk,NULL);
zipClose(unaligned_apk,NULL);
unzClose(pkg);
if (err) {
@ -1308,7 +1365,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
args.push_back(keystore);
args.push_back("-storepass");
args.push_back(password);
args.push_back(p_path);
args.push_back(unaligned_path);
args.push_back(user);
int retval;
int err = OS::get_singleton()->execute(jarsigner,args,true,NULL,NULL,&retval);
@ -1321,16 +1378,102 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
args.clear();
args.push_back("-verify");
args.push_back(p_path);
args.push_back(unaligned_path);
args.push_back("-verbose");
err = OS::get_singleton()->execute(jarsigner,args,true,NULL,NULL,&retval);
if (retval) {
EditorNode::add_io_error("'jarsigner' verificaiton of APK failed. Make sure to use jarsigner from Java 6.");
EditorNode::add_io_error("'jarsigner' verification of APK failed. Make sure to use jarsigner from Java 6.");
return ERR_CANT_CREATE;
}
}
// Let's zip-align (must be done after signing)
static const int ZIP_ALIGNMENT = 4;
ep.step("Aligning APK..",105);
unzFile tmp_unaligned = unzOpen2(unaligned_path.utf8().get_data(), &io);
if (!tmp_unaligned) {
EditorNode::add_io_error("Could not find temp unaligned APK.");
return ERR_FILE_NOT_FOUND;
}
ERR_FAIL_COND_V(!tmp_unaligned, ERR_CANT_OPEN);
ret = unzGoToFirstFile(tmp_unaligned);
io2=io;
dst_f=NULL;
io2.opaque=&dst_f;
zipFile final_apk=zipOpen2(p_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
// Take files from the unaligned APK and write them out to the aligned one
// in raw mode, i.e. not uncompressing and recompressing, aligning them as needed,
// following what is done in https://github.com/android/platform_build/blob/master/tools/zipalign/ZipAlign.cpp
int bias = 0;
while(ret==UNZ_OK) {
unz_file_info info;
memset(&info, 0, sizeof(info));
char fname[16384];
char extra[16384];
ret = unzGetCurrentFileInfo(tmp_unaligned,&info,fname,16384,extra,16384-ZIP_ALIGNMENT,NULL,0);
String file=fname;
Vector<uint8_t> data;
data.resize(info.compressed_size);
// read
int method, level;
unzOpenCurrentFile2(tmp_unaligned, &method, &level, 1); // raw read
long file_offset = unzGetCurrentFileZStreamPos64(tmp_unaligned);
unzReadCurrentFile(tmp_unaligned,data.ptr(),data.size());
unzCloseCurrentFile(tmp_unaligned);
// align
int padding = 0;
if (!info.compression_method) {
// Uncompressed file => Align
long new_offset = file_offset + bias;
padding = (ZIP_ALIGNMENT - (new_offset % ZIP_ALIGNMENT)) % ZIP_ALIGNMENT;
}
memset(extra + info.size_file_extra, 0, padding);
// write
zipOpenNewFileInZip2(final_apk,
file.utf8().get_data(),
NULL,
extra,
info.size_file_extra + padding,
NULL,
0,
NULL,
method,
level,
1); // raw write
zipWriteInFileInZip(final_apk,data.ptr(),data.size());
zipCloseFileInZipRaw(final_apk,info.uncompressed_size,info.crc);
bias += padding;
ret = unzGoToNextFile(tmp_unaligned);
}
zipClose(final_apk,NULL);
unzClose(tmp_unaligned);
if (err) {
return err;
}
return OK;
}