Make MediaWriter stop and pause return errors if necessary
o Make the API consistent with SF framework, which the MediaSource
provides a return status for stop
o Also, helps to convey errors that occurred right when a
premature stop() is called, leading to a potentially
mal-formed output file.
Change-Id: I52a932345f38570fdf8ea04d67d73dd94ccd30ef
diff --git a/media/libstagefright/AMRWriter.cpp b/media/libstagefright/AMRWriter.cpp
index c71743e..71d48b3 100644
--- a/media/libstagefright/AMRWriter.cpp
+++ b/media/libstagefright/AMRWriter.cpp
@@ -136,16 +136,17 @@
return OK;
}
-void AMRWriter::pause() {
+status_t AMRWriter::pause() {
if (!mStarted) {
- return;
+ return OK;
}
mPaused = true;
+ return OK;
}
-void AMRWriter::stop() {
+status_t AMRWriter::stop() {
if (!mStarted) {
- return;
+ return OK;
}
mDone = true;
@@ -153,9 +154,17 @@
void *dummy;
pthread_join(mThread, &dummy);
- mSource->stop();
+ status_t err = (status_t) dummy;
+ {
+ status_t status = mSource->stop();
+ if (err == OK &&
+ (status != OK && status != ERROR_END_OF_STREAM)) {
+ err = status;
+ }
+ }
mStarted = false;
+ return err;
}
bool AMRWriter::exceedsFileSizeLimit() {
@@ -174,21 +183,20 @@
// static
void *AMRWriter::ThreadWrapper(void *me) {
- static_cast<AMRWriter *>(me)->threadFunc();
-
- return NULL;
+ return (void *) static_cast<AMRWriter *>(me)->threadFunc();
}
-void AMRWriter::threadFunc() {
+status_t AMRWriter::threadFunc() {
mEstimatedDurationUs = 0;
mEstimatedSizeBytes = 0;
bool stoppedPrematurely = true;
int64_t previousPausedDurationUs = 0;
int64_t maxTimestampUs = 0;
+ status_t err = OK;
while (!mDone) {
MediaBuffer *buffer;
- status_t err = mSource->read(&buffer);
+ err = mSource->read(&buffer);
if (err != OK) {
break;
@@ -260,6 +268,10 @@
fclose(mFile);
mFile = NULL;
mReachedEOS = true;
+ if (err == ERROR_END_OF_STREAM) {
+ return OK;
+ }
+ return err;
}
bool AMRWriter::reachedEOS() {