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Code Issues 1 Projects Releases Wiki Activity

Add support for selecting files

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This commit is contained in:
Sebastian Dröge 2012-10-02 13:31:39 +02:00
parent 3111a6f6e2
commit e3b897f4b5
4 changed files with 58 additions and 14 deletions
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3
gst-sdk/tutorials/android-tutorial-1/jni/tutorial-1.c
View file

@ -345,8 +345,11 @@ void gst_native_set_uri (JNIEnv* env, jobject thiz, jstring uri) {
if (!data) return;
const jbyte *char_uri = (*env)->GetStringUTFChars (env, uri, NULL);
GST_DEBUG ("Setting URI to %s", char_uri);
if (data->target_state >= GST_STATE_READY)
gst_element_set_state (data->pipeline, GST_STATE_READY);
g_object_set(data->pipeline, "uri", char_uri);
(*env)->ReleaseStringUTFChars (env, uri, char_uri);
data->is_live = (gst_element_set_state (data->pipeline, data->target_state) == GST_STATE_CHANGE_NO_PREROLL);
}
void gst_native_play (JNIEnv* env, jobject thiz) {

10
gst-sdk/tutorials/android-tutorial-1/res/layout/main.xml
View file

@ -29,6 +29,14 @@
android:contentDescription="@string/button_stop"
android:src="@android:drawable/ic_media_pause"
android:text="@string/button_stop" />
<ImageButton
android:id="@+id/button_select"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@string/button_select"
android:src="@android:drawable/ic_media_next"
android:text="@string/button_select" />
<TextView
android:id="@+id/textview_time"
@ -52,4 +60,4 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout>

1
gst-sdk/tutorials/android-tutorial-1/res/values/strings.xml
View file

@ -3,4 +3,5 @@
<string name="app_name">Android tutorial 1</string>
<string name="button_play">Play</string>
<string name="button_stop">Stop</string>
<string name="button_select">Select</string>
</resources>

58
gst-sdk/tutorials/android-tutorial-1/src/com/gst_sdk_tutorials/tutorial_1/Tutorial1.java
View file

@ -22,8 +22,13 @@ import java.util.TimeZone;
import com.gst_sdk.GStreamer;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
@ -54,10 +59,11 @@ public class Tutorial1 extends Activity implements SurfaceHolder.Callback, OnSee
private Bundle initialization_data;
private final String mediaUri = "http://docs.gstreamer.com/media/sintel_trailer-480p.ogv";
/* Called when the activity is first created.
@Override */
private String mediaUri = "http://docs.gstreamer.com/media/sintel_trailer-480p.ogv";
static private final int PICK_FILE_CODE = 1;
/* Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
@ -87,6 +93,15 @@ public class Tutorial1 extends Activity implements SurfaceHolder.Callback, OnSee
nativePause();
}
});
ImageButton select = (ImageButton) this.findViewById(R.id.button_select);
select.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent i = new Intent(Intent.ACTION_PICK);
i.setDataAndType(Uri.fromFile(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES)), "video/*;audio/*");
startActivityForResult(i, PICK_FILE_CODE);
}
});
SurfaceView sv = (SurfaceView) this.findViewById(R.id.surface_video);
SurfaceHolder sh = sv.getHolder();
@ -104,10 +119,11 @@ public class Tutorial1 extends Activity implements SurfaceHolder.Callback, OnSee
}
protected void onSaveInstanceState (Bundle outState) {
Log.d ("GStreamer", "Saving state, playing:" + is_playing_desired + " position:" + position);
Log.d ("GStreamer", "Saving state, playing:" + is_playing_desired + " position:" + position + " uri: " + mediaUri);
outState.putBoolean("playing", is_playing_desired);
outState.putInt("position", position);
outState.putInt("duration", duration);
outState.putString("mediaUri", mediaUri);
}
protected void onDestroy() {
@ -124,27 +140,30 @@ public class Tutorial1 extends Activity implements SurfaceHolder.Callback, OnSee
}
});
}
/* Called from native code */
private void onGStreamerInitialized () {
private void setMediaUri() {
nativeSetUri (mediaUri);
if (mediaUri.startsWith("file://")) is_local_media = true;
}
/* Called from native code */
private void onGStreamerInitialized () {
if (initialization_data != null) {
is_playing_desired = initialization_data.getBoolean("playing");
int milliseconds = initialization_data.getInt("position");
Log.i ("GStreamer", "Restoring state, playing:" + is_playing_desired + " position:" + milliseconds + " ms.");
mediaUri = initialization_data.getString ("mediaUri");
/* Actually, move to one millisecond in the future. Otherwise, due to rounding errors between the
* milliseconds used here and the nanoseconds used by GStreamer, we would be jumping a bit behind
* where we were before. This, combined with seeking to keyframe positions, would skip one keyframe
* backwards on each iteration.
*/
nativeSetPosition(milliseconds + 1);
if (is_playing_desired) {
nativePlay();
} else {
nativePause();
}
}
setMediaUri ();
if (is_playing_desired) {
nativePlay();
} else {
nativePause();
}
@ -244,4 +263,17 @@ public class Tutorial1 extends Activity implements SurfaceHolder.Callback, OnSee
if (!is_local_media) nativeSetPosition(desired_position);
if (is_playing_desired) nativePlay();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (resultCode == RESULT_OK && requestCode == PICK_FILE_CODE) {
String[] proj = { MediaStore.Video.Media.DATA };
Cursor c = managedQuery(data.getData(), proj, null, null, null);
int column_index = c.getColumnIndexOrThrow(MediaStore.Video.Media.DATA);
c.moveToFirst();
mediaUri = "file://" + c.getString(column_index);
setMediaUri();
}
}
}