/**
* select the first codec that match a specific MIME type
*
* @param mimeType
* @return
*/
private static final MediaCodecInfo selectAudioCodec(final String mimeType) {
if (DEBUG) Log.v(TAG, "selectAudioCodec:");
MediaCodecInfo result = null;
// get the list of available codecs
final int numCodecs = MediaCodecList.getCodecCount();
LOOP:
for (int i = 0; i < numCodecs; i++) {
final MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
if (!codecInfo.isEncoder()) { // skipp decoder
continue;
}
final String[] types = codecInfo.getSupportedTypes();
for (int j = 0; j < types.length; j++) {
if (DEBUG) Log.i(TAG, "supportedType:" + codecInfo.getName() + ",MIME=" + types[j]);
if (types[j].equalsIgnoreCase(mimeType)) {
if (result == null) {
result = codecInfo;
break LOOP;
}
}
}
}
return result;
}
private static DecoderProperties findDecoder(String mime, String[] supportedCodecPrefixes) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return null; // MediaCodec.setParameters is missing.
}
for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
if (info.isEncoder()) {
continue;
}
String name = null;
for (String mimeType : info.getSupportedTypes()) {
if (mimeType.equals(mime)) {
name = info.getName();
break;
}
}
if (name == null) {
continue; // No HW support in this codec; try the next one.
}
Logging.v(TAG, "Found candidate decoder " + name);
// Check if this is supported decoder.
boolean supportedCodec = false;
for (String codecPrefix : supportedCodecPrefixes) {
if (name.startsWith(codecPrefix)) {
supportedCodec = true;
break;
}
}
if (!supportedCodec) {
continue;
}
// Check if codec supports either yuv420 or nv12.
CodecCapabilities capabilities = info.getCapabilitiesForType(mime);
for (int colorFormat : capabilities.colorFormats) {
Logging.v(TAG, " Color: 0x" + Integer.toHexString(colorFormat));
}
for (int supportedColorFormat : supportedColorList) {
for (int codecColorFormat : capabilities.colorFormats) {
if (codecColorFormat == supportedColorFormat) {
// Found supported HW decoder.
Logging.d(
TAG,
"Found target decoder "
+ name
+ ". Color: 0x"
+ Integer.toHexString(codecColorFormat));
return new DecoderProperties(name, codecColorFormat);
}
}
}
}
return null; // No HW decoder.
}
private static boolean hasCodecForMime(boolean encoder, String mime) {
for (MediaCodecInfo info : sMCL.getCodecInfos()) {
if (encoder != info.isEncoder()) {
continue;
}
for (String type : info.getSupportedTypes()) {
if (type.equalsIgnoreCase(mime)) {
Log.i(TAG, "found codec " + info.getName() + " for mime " + mime);
return true;
}
}
}
return false;
}
/**
* Returns the first codec capable of encoding the specified MIME type, or null if no match was
* found.
*/
private static MediaCodecInfo selectCodec(String mimeType) {
int numCodecs = MediaCodecList.getCodecCount();
for (int i = 0; i < numCodecs; i++) {
MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
if (!codecInfo.isEncoder()) {
continue;
}
String[] types = codecInfo.getSupportedTypes();
for (int j = 0; j < types.length; j++) {
if (types[j].equalsIgnoreCase(mimeType)) {
return codecInfo;
}
}
}
return null;
}
@SuppressWarnings("RedundantThrows")
public static String dumpDecoders() throws Exception {
String str = "";
for (MediaCodecInfo codecInfo : getMediaCodecList()) {
// Skip encoders
if (codecInfo.isEncoder()) {
continue;
}
str += "Decoder: " + codecInfo.getName() + "\n";
for (String type : codecInfo.getSupportedTypes()) {
str += "\t" + type + "\n";
CodecCapabilities caps = codecInfo.getCapabilitiesForType(type);
for (CodecProfileLevel profile : caps.profileLevels) {
str += "\t\t" + profile.profile + " " + profile.level + "\n";
}
}
}
return str;
}
// We declare this method as explicitly throwing Exception
// since some bad decoders can throw IllegalArgumentExceptions unexpectedly
// and we want to be sure all callers are handling this possibility
@SuppressWarnings("RedundantThrows")
private static MediaCodecInfo findKnownSafeDecoder(String mimeType, int requiredProfile)
throws Exception {
for (MediaCodecInfo codecInfo : getMediaCodecList()) {
// Skip encoders
if (codecInfo.isEncoder()) {
continue;
}
// Check for explicitly blacklisted decoders
if (isDecoderInList(blacklistedDecoderPrefixes, codecInfo.getName())) {
LimeLog.info("Skipping blacklisted decoder: " + codecInfo.getName());
continue;
}
// Find a decoder that supports the requested video format
for (String mime : codecInfo.getSupportedTypes()) {
if (mime.equalsIgnoreCase(mimeType)) {
LimeLog.info("Examining decoder capabilities of " + codecInfo.getName());
CodecCapabilities caps = codecInfo.getCapabilitiesForType(mime);
if (requiredProfile != -1) {
for (CodecProfileLevel profile : caps.profileLevels) {
if (profile.profile == requiredProfile) {
LimeLog.info("Decoder " + codecInfo.getName() + " supports required profile");
return codecInfo;
}
}
LimeLog.info("Decoder " + codecInfo.getName() + " does NOT support required profile");
} else {
return codecInfo;
}
}
}
}
return null;
}
private boolean supports(String mimeType, int profile, int level, boolean testLevel) {
int numCodecs = MediaCodecList.getCodecCount();
for (int i = 0; i < numCodecs; i++) {
MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
if (codecInfo.isEncoder()) {
continue;
}
if (!supportsMimeType(codecInfo, mimeType)) {
continue;
}
CodecCapabilities capabilities = codecInfo.getCapabilitiesForType(mimeType);
for (CodecProfileLevel profileLevel : capabilities.profileLevels) {
if (profileLevel.profile == profile && (!testLevel || profileLevel.level >= level)) {
return true;
}
}
}
return false;
}
private static MediaCodecInfo findPreferredDecoder() {
// This is a different algorithm than the other findXXXDecoder functions,
// because we want to evaluate the decoders in our list's order
// rather than MediaCodecList's order
for (String preferredDecoder : preferredDecoders) {
for (MediaCodecInfo codecInfo : getMediaCodecList()) {
// Skip encoders
if (codecInfo.isEncoder()) {
continue;
}
// Check for preferred decoders
if (preferredDecoder.equalsIgnoreCase(codecInfo.getName())) {
LimeLog.info("Preferred decoder choice is " + codecInfo.getName());
return codecInfo;
}
}
}
return null;
}
public static MediaCodecInfo findFirstDecoder(String mimeType) {
for (MediaCodecInfo codecInfo : getMediaCodecList()) {
// Skip encoders
if (codecInfo.isEncoder()) {
continue;
}
// Check for explicitly blacklisted decoders
if (isDecoderInList(blacklistedDecoderPrefixes, codecInfo.getName())) {
LimeLog.info("Skipping blacklisted decoder: " + codecInfo.getName());
continue;
}
// Find a decoder that supports the specified video format
for (String mime : codecInfo.getSupportedTypes()) {
if (mime.equalsIgnoreCase(mimeType)) {
LimeLog.info("First decoder choice is " + codecInfo.getName());
return codecInfo;
}
}
}
return null;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
mSurfaceView = (SurfaceView) findViewById(R.id.surface_view);
// mSurfaceView.setBackgroundColor(Color.RED);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(
new View.OnClickListener() {
private VideoPlayer mVideoPlayer = null;
@Override
public void onClick(View view) {
if (mVideoPlayer != null) {
mVideoPlayer.stop();
}
mVideoPlayer =
new VideoPlayer(
MainActivity.mSelectedEncoder,
mSurfaceView.getHolder().getSurface(),
BASE_FOLDER + MainActivity.mSelectedFile);
VideoPlayer.PlayTask task = new VideoPlayer.PlayTask(mVideoPlayer);
task.execute();
// Snackbar.make(view, "Replace with your own action",
// Snackbar.LENGTH_LONG)
// .setAction("Action", null).show();
}
});
List<String> decodersNames = new ArrayList<String>();
for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
Log.d(TAG, "onCreate: info " + i + info.getName());
if (!info.isEncoder()
&& (info.getName().contains("avc")
|| info.getName().contains("AVC")
|| info.getName().contains("h264")
|| info.getName().contains("H264"))) {
decodersNames.add(info.getName());
}
// mEncodersNames. = info.getName();
// String[] types = info.getSupportedTypes();
// String allTypes = "";
// for ( String type: types )
// {
// allTypes += type + "; ";
// }
// Log.d(TAG, "XXXXXX - " +
// "Name: " + info.getName() + ", " +
// "Types: " + allTypes + ", " +
// (info.isEncoder() ? "Encoder" : "Decoder"));
}
{
mEncodersNames = new String[decodersNames.size()];
decodersNames.toArray(mEncodersNames);
Spinner spinner = (Spinner) findViewById(R.id.listEncoders);
ArrayAdapter<String> adapter =
new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, mEncodersNames);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
// Apply the adapter to the spinner.
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
}
{
File f = new File(new String(BASE_FOLDER));
File filesDir = f; // getFilesDir()
Log.d(TAG, "searching for files in " + filesDir.toString());
mFilesNames = com.android.grafika.MiscUtils.getFiles(filesDir, "*");
Log.d(TAG, "files: " + mFilesNames.toString());
for (String file : mFilesNames) {
Log.d(TAG, file);
}
Spinner spinner = (Spinner) findViewById(R.id.listFiles);
ArrayAdapter<String> adapter =
new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, mFilesNames);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
// Apply the adapter to the spinner.
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
}
}
public boolean isEncoder() {
return codecInfo.isEncoder();
}
