Merge "MediaMuxer: Add setLocation API" into klp-dev

This commit is contained in:
Zhijun He
2013-09-10 19:41:10 +00:00
committed by Android (Google) Code Review
3 changed files with 52 additions and 0 deletions

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@@ -12790,6 +12790,7 @@ package android.media {
ctor public MediaMuxer(java.lang.String, int) throws java.io.IOException;
method public int addTrack(android.media.MediaFormat);
method public void release();
method public void setLocation(float, float);
method public void setOrientationHint(int);
method public void start();
method public void stop();

View File

@@ -92,6 +92,7 @@ final public class MediaMuxer {
Object[] values);
private static native void nativeSetOrientationHint(int nativeObject,
int degrees);
private static native void nativeSetLocation(int nativeObject, int latitude, int longitude);
private static native void nativeWriteSampleData(int nativeObject,
int trackIndex, ByteBuffer byteBuf,
int offset, int size, long presentationTimeUs, int flags);
@@ -164,6 +165,41 @@ final public class MediaMuxer {
}
}
/**
* Set and store the geodata (latitude and longitude) in the output file.
* This method should be called before {@link #start}. The geodata is stored
* in udta box if the output format is
* {@link OutputFormat#MUXER_OUTPUT_MPEG_4}, and is ignored for other output
* formats. The geodata is stored according to ISO-6709 standard.
*
* @param latitude Latitude in degrees. Its value must be in the range [-90,
* 90].
* @param longitude Longitude in degrees. Its value must be in the range
* [-180, 180].
* @throws IllegalArgumentException If the given latitude or longitude is out
* of range.
* @throws IllegalStateException If this method is called after {@link #start}.
*/
public void setLocation(float latitude, float longitude) {
int latitudex10000 = (int) (latitude * 10000 + 0.5);
int longitudex10000 = (int) (longitude * 10000 + 0.5);
if (latitudex10000 > 900000 || latitudex10000 < -900000) {
String msg = "Latitude: " + latitude + " out of range.";
throw new IllegalArgumentException(msg);
}
if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
String msg = "Longitude: " + longitude + " out of range";
throw new IllegalArgumentException(msg);
}
if (mState == MUXER_STATE_INITIALIZED && mNativeObject != 0) {
nativeSetLocation(mNativeObject, latitudex10000, longitudex10000);
} else {
throw new IllegalStateException("Can't set location due to wrong state.");
}
}
/**
* Starts the muxer.
* <p>Make sure this is called after {@link #addTrack} and before

View File

@@ -164,6 +164,18 @@ static void android_media_MediaMuxer_setOrientationHint(
}
static void android_media_MediaMuxer_setLocation(
JNIEnv *env, jclass clazz, jint nativeObject, jint latitude, jint longitude) {
MediaMuxer* muxer = reinterpret_cast<MediaMuxer *>(nativeObject);
status_t res = muxer->setLocation(latitude, longitude);
if (res != OK) {
jniThrowException(env, "java/lang/IllegalStateException",
"Failed to set location");
return;
}
}
static void android_media_MediaMuxer_start(JNIEnv *env, jclass clazz,
jint nativeObject) {
sp<MediaMuxer> muxer(reinterpret_cast<MediaMuxer *>(nativeObject));
@@ -216,6 +228,9 @@ static JNINativeMethod gMethods[] = {
{ "nativeSetOrientationHint", "(II)V",
(void *)android_media_MediaMuxer_setOrientationHint},
{ "nativeSetLocation", "(III)V",
(void *)android_media_MediaMuxer_setLocation},
{ "nativeStart", "(I)V", (void *)android_media_MediaMuxer_start},
{ "nativeWriteSampleData", "(IILjava/nio/ByteBuffer;IIJI)V",