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Commit ad8f19c6 authored by James Dong's avatar James Dong
Browse files

Add a new public API to support recording rotated videos 

o changed a comment about the rotation orientation from counter-clockwise
  to clockwise.

Change-Id: I16ad73ce1a55cc627d9a516e23d1325753b3037e
parent ce22d608

api/current.xml

+13 −0
Original line number Diff line number Diff line
@@ -86967,6 +86967,19 @@ 
<parameter name="listener" type="android.media.MediaRecorder.OnInfoListener">

</parameter>

</method>

<method name="setOrientationHint"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="degrees" type="int">

</parameter>

</method>

<method name="setOutputFile"

 return="void"

 abstract="false"

media/java/android/media/MediaRecorder.java

+25 −0
Original line number Diff line number Diff line
@@ -284,6 +284,31 @@ public class MediaRecorder 
        setAudioEncoder(profile.audioCodec);

    }



    /**

     * Sets the orientation hint for output video playback.

     * This method should be called before start(). This method will not

     * trigger the source video frame to rotate during video recording, but to

     * add a composition matrix containing the rotation angle in the output

     * video if the output format is OutputFormat.THREE_GPP or

     * OutputFormat.MPEG_4 so that a video player can choose the proper

     * orientation for playback. Note that some video players may choose

     * to ignore the compostion matrix in a video during playback.

     *

     * @param degrees the angle to be rotated clockwise in degrees.

     * The supported angles are 0, 90, 180, and 270 degrees.

     * @throws IllegalArgumentException if the angle is not supported.

     *

     */

    public void setOrientationHint(int degrees) {

        if (degrees != 0   &&

            degrees != 90  &&

            degrees != 180 &&

            degrees != 270) {

            throw new IllegalArgumentException("Unsupported angle: " + degrees);

        }

        setParameter(String.format("video-param-rotation-angle-degrees=%d", degrees));

    }



    /**

     * Sets the format of the output file produced during recording. Call this

     * after setAudioSource()/setVideoSource() but before prepare().