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media: Relax the filedescriptor check to allow write-only mode.

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Test: Use the MMS app to record video.
Bug: 34594319
Change-Id: I0680c48f5f240e2b18264dbf952622ad0497130b
This commit is contained in:
Hangyu Kuang
2017-01-23 13:23:17 -08:00
parent b7cab6a190
commit 82d2ea4a4f
1 changed files with 11 additions and 9 deletions
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20
media/java/android/media/MediaRecorder.java
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@@ -803,15 +803,17 @@ public class MediaRecorder
/**
* Sets the next output file descriptor to be used when the maximum filesize is reached
* on the prior output {@link #setOutputFile} or {@link #setNextOutputFile}). File descriptor
* must be seekable and in read-write mode. After setting the next output file, application
* should not use the file referenced by this file descriptor until {@link #stop}. Application
* must call this after receiving on the {@link android.media.MediaRecorder.OnInfoListener} a
* "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_APPROACHING} and before receiving
* a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED}. The file is not used
* until switching to that output. Application will receive
* {@link #MEDIA_RECORDER_INFO_NEXT_OUTPUT_FILE_STARTED} when the next output file is used.
* Application will not be able to set a new output file if the previous one has not been used.
* Application is responsible for cleaning up unused files after {@link #stop} is called.
* must be seekable and writable. After setting the next output file, application should not
* use the file referenced by this file descriptor until {@link #stop}. It is the application's
* responsibility to close the file descriptor. It is safe to do so as soon as this call returns.
* Application must call this after receiving on the
* {@link android.media.MediaRecorder.OnInfoListener} a "what" code of
* {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_APPROACHING} and before receiving a "what" code of
* {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED}. The file is not used until switching to
* that output. Application will receive{@link #MEDIA_RECORDER_INFO_NEXT_OUTPUT_FILE_STARTED}
* when the next output file is used. Application will not be able to set a new output file if
* the previous one has not been used. Application is responsible for cleaning up unused files
* after {@link #stop} is called.
*
* @param fd an open file descriptor to be written into.
* @throws IllegalStateException if it is called before prepare().