Space reserving tweaks for huge video resolutions

* improve space reserving, allows write better 4K/8K video data
* do not use cache dirs in the muxers, Android can force close NewPipe if the device is running out of storage. Is a aggressive cache cleaning >:/
* (for devs) webm & mkv are the same thing
* calculate the final file size inside of the mission, instead getting from the UI
* simplify ps algorithms constructors
* [missing old commit message] simplify the loading of pending downloads
This commit is contained in:
kapodamy 2019-04-25 00:34:29 -03:00
parent 34b2b96158
commit 7b948f83c3
11 changed files with 608 additions and 550 deletions

View file

@ -1,158 +1,191 @@
package us.shandian.giga.get;
import android.support.annotation.NonNull;
import android.util.Log;
import org.schabi.newpipe.streams.io.SharpStream;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.HttpURLConnection;
import java.nio.channels.ClosedByInterruptException;
import us.shandian.giga.util.Utility;
import static org.schabi.newpipe.BuildConfig.DEBUG;
public class DownloadInitializer extends Thread {
private final static String TAG = "DownloadInitializer";
final static int mId = 0;
private DownloadMission mMission;
private HttpURLConnection mConn;
DownloadInitializer(@NonNull DownloadMission mission) {
mMission = mission;
mConn = null;
}
@Override
public void run() {
if (mMission.current > 0) mMission.resetState(false, true, DownloadMission.ERROR_NOTHING);
int retryCount = 0;
while (true) {
try {
mMission.currentThreadCount = mMission.threadCount;
mConn = mMission.openConnection(mId, -1, -1);
mMission.establishConnection(mId, mConn);
if (!mMission.running || Thread.interrupted()) return;
mMission.length = Utility.getContentLength(mConn);
if (mMission.length == 0) {
mMission.notifyError(DownloadMission.ERROR_HTTP_NO_CONTENT, null);
return;
}
// check for dynamic generated content
if (mMission.length == -1 && mConn.getResponseCode() == 200) {
mMission.blocks = 0;
mMission.length = 0;
mMission.fallback = true;
mMission.unknownLength = true;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back (unknown length)");
}
} else {
// Open again
mConn = mMission.openConnection(mId, mMission.length - 10, mMission.length);
mMission.establishConnection(mId, mConn);
if (!mMission.running || Thread.interrupted()) return;
synchronized (mMission.blockState) {
if (mConn.getResponseCode() == 206) {
if (mMission.currentThreadCount > 1) {
mMission.blocks = mMission.length / DownloadMission.BLOCK_SIZE;
if (mMission.currentThreadCount > mMission.blocks) {
mMission.currentThreadCount = (int) mMission.blocks;
}
if (mMission.currentThreadCount <= 0) {
mMission.currentThreadCount = 1;
}
if (mMission.blocks * DownloadMission.BLOCK_SIZE < mMission.length) {
mMission.blocks++;
}
} else {
// if one thread is solicited don't calculate blocks, is useless
mMission.blocks = 1;
mMission.fallback = true;
mMission.unknownLength = false;
}
if (DEBUG) {
Log.d(TAG, "http response code = " + mConn.getResponseCode());
}
} else {
// Fallback to single thread
mMission.blocks = 0;
mMission.fallback = true;
mMission.unknownLength = false;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back due http response code = " + mConn.getResponseCode());
}
}
for (long i = 0; i < mMission.currentThreadCount; i++) {
mMission.threadBlockPositions.add(i);
mMission.threadBytePositions.add(0L);
}
}
if (!mMission.running || Thread.interrupted()) return;
}
SharpStream fs = mMission.storage.getStream();
fs.setLength(mMission.offsets[mMission.current] + mMission.length);
fs.seek(mMission.offsets[mMission.current]);
fs.close();
if (!mMission.running || Thread.interrupted()) return;
mMission.running = false;
break;
} catch (InterruptedIOException | ClosedByInterruptException e) {
return;
} catch (Exception e) {
if (!mMission.running) return;
if (e instanceof IOException && e.getMessage().contains("Permission denied")) {
mMission.notifyError(DownloadMission.ERROR_PERMISSION_DENIED, e);
return;
}
if (retryCount++ > mMission.maxRetry) {
Log.e(TAG, "initializer failed", e);
mMission.notifyError(e);
return;
}
Log.e(TAG, "initializer failed, retrying", e);
}
}
mMission.start();
}
@Override
public void interrupt() {
super.interrupt();
if (mConn != null) {
try {
mConn.disconnect();
} catch (Exception e) {
// nothing to do
}
}
}
}
package us.shandian.giga.get;
import android.support.annotation.NonNull;
import android.util.Log;
import org.schabi.newpipe.streams.io.SharpStream;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.HttpURLConnection;
import java.nio.channels.ClosedByInterruptException;
import us.shandian.giga.util.Utility;
import static org.schabi.newpipe.BuildConfig.DEBUG;
public class DownloadInitializer extends Thread {
private final static String TAG = "DownloadInitializer";
final static int mId = 0;
private final static int RESERVE_SPACE_DEFAULT = 5 * 1024 * 1024;// 5 MiB
private final static int RESERVE_SPACE_MAXIMUM = 150 * 1024 * 1024;// 150 MiB
private DownloadMission mMission;
private HttpURLConnection mConn;
DownloadInitializer(@NonNull DownloadMission mission) {
mMission = mission;
mConn = null;
}
@Override
public void run() {
if (mMission.current > 0) mMission.resetState(false, true, DownloadMission.ERROR_NOTHING);
int retryCount = 0;
while (true) {
try {
mMission.currentThreadCount = mMission.threadCount;
if (mMission.blocks < 0 && mMission.current == 0) {
// calculate the whole size of the mission
long finalLength = 0;
long lowestSize = Long.MAX_VALUE;
for (int i = 0; i < mMission.urls.length && mMission.running; i++) {
mConn = mMission.openConnection(mMission.urls[i], mId, -1, -1);
mMission.establishConnection(mId, mConn);
if (Thread.interrupted()) return;
long length = Utility.getContentLength(mConn);
if (i == 0) mMission.length = length;
if (length > 0) finalLength += length;
if (length < lowestSize) lowestSize = length;
}
mMission.nearLength = finalLength;
// reserve space at the start of the file
if (mMission.psAlgorithm != null && mMission.psAlgorithm.reserveSpace) {
if (lowestSize < 1) {
// the length is unknown use the default size
mMission.offsets[0] = RESERVE_SPACE_DEFAULT;
} else {
// use the smallest resource size to download, otherwise, use the maximum
mMission.offsets[0] = lowestSize < RESERVE_SPACE_MAXIMUM ? lowestSize : RESERVE_SPACE_MAXIMUM;
}
}
} else {
// ask for the current resource length
mConn = mMission.openConnection(mId, -1, -1);
mMission.establishConnection(mId, mConn);
if (!mMission.running || Thread.interrupted()) return;
mMission.length = Utility.getContentLength(mConn);
}
if (mMission.length == 0 || mConn.getResponseCode() == 204) {
mMission.notifyError(DownloadMission.ERROR_HTTP_NO_CONTENT, null);
return;
}
// check for dynamic generated content
if (mMission.length == -1 && mConn.getResponseCode() == 200) {
mMission.blocks = 0;
mMission.length = 0;
mMission.fallback = true;
mMission.unknownLength = true;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back (unknown length)");
}
} else {
// Open again
mConn = mMission.openConnection(mId, mMission.length - 10, mMission.length);
mMission.establishConnection(mId, mConn);
if (!mMission.running || Thread.interrupted()) return;
synchronized (mMission.blockState) {
if (mConn.getResponseCode() == 206) {
if (mMission.currentThreadCount > 1) {
mMission.blocks = mMission.length / DownloadMission.BLOCK_SIZE;
if (mMission.currentThreadCount > mMission.blocks) {
mMission.currentThreadCount = (int) mMission.blocks;
}
if (mMission.currentThreadCount <= 0) {
mMission.currentThreadCount = 1;
}
if (mMission.blocks * DownloadMission.BLOCK_SIZE < mMission.length) {
mMission.blocks++;
}
} else {
// if one thread is solicited don't calculate blocks, is useless
mMission.blocks = 1;
mMission.fallback = true;
mMission.unknownLength = false;
}
if (DEBUG) {
Log.d(TAG, "http response code = " + mConn.getResponseCode());
}
} else {
// Fallback to single thread
mMission.blocks = 0;
mMission.fallback = true;
mMission.unknownLength = false;
mMission.currentThreadCount = 1;
if (DEBUG) {
Log.d(TAG, "falling back due http response code = " + mConn.getResponseCode());
}
}
for (long i = 0; i < mMission.currentThreadCount; i++) {
mMission.threadBlockPositions.add(i);
mMission.threadBytePositions.add(0L);
}
}
if (!mMission.running || Thread.interrupted()) return;
}
SharpStream fs = mMission.storage.getStream();
fs.setLength(mMission.offsets[mMission.current] + mMission.length);
fs.seek(mMission.offsets[mMission.current]);
fs.close();
if (!mMission.running || Thread.interrupted()) return;
mMission.running = false;
break;
} catch (InterruptedIOException | ClosedByInterruptException e) {
return;
} catch (Exception e) {
if (!mMission.running) return;
if (e instanceof IOException && e.getMessage().contains("Permission denied")) {
mMission.notifyError(DownloadMission.ERROR_PERMISSION_DENIED, e);
return;
}
if (retryCount++ > mMission.maxRetry) {
Log.e(TAG, "initializer failed", e);
mMission.notifyError(e);
return;
}
Log.e(TAG, "initializer failed, retrying", e);
}
}
mMission.start();
}
@Override
public void interrupt() {
super.interrupt();
if (mConn != null) {
try {
mConn.disconnect();
} catch (Exception e) {
// nothing to do
}
}
}
}