Add CTS tests for MediaCodec.flush()
b/8543366
Change-Id: I4df45c6e9ead5b6ded5a6813cd1109aeb7c7c7d6
diff --git a/tests/tests/media/res/raw/loudsoftaac.aac b/tests/tests/media/res/raw/loudsoftaac.aac
new file mode 100644
index 0000000..1534ef2
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftaac.aac
Binary files differ
diff --git a/tests/tests/media/res/raw/loudsoftfaac.m4a b/tests/tests/media/res/raw/loudsoftfaac.m4a
new file mode 100644
index 0000000..b4895b5
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftfaac.m4a
Binary files differ
diff --git a/tests/tests/media/res/raw/loudsoftitunes.m4a b/tests/tests/media/res/raw/loudsoftitunes.m4a
new file mode 100644
index 0000000..b01b36b
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftitunes.m4a
Binary files differ
diff --git a/tests/tests/media/res/raw/loudsoftmp3.mp3 b/tests/tests/media/res/raw/loudsoftmp3.mp3
new file mode 100644
index 0000000..b32c8bd
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftmp3.mp3
Binary files differ
diff --git a/tests/tests/media/res/raw/loudsoftogg.ogg b/tests/tests/media/res/raw/loudsoftogg.ogg
new file mode 100644
index 0000000..dc122d9
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftogg.ogg
Binary files differ
diff --git a/tests/tests/media/res/raw/loudsoftwav.wav b/tests/tests/media/res/raw/loudsoftwav.wav
new file mode 100644
index 0000000..9930dcb
--- /dev/null
+++ b/tests/tests/media/res/raw/loudsoftwav.wav
Binary files differ
diff --git a/tests/tests/media/src/android/media/cts/DecoderTest.java b/tests/tests/media/src/android/media/cts/DecoderTest.java
index 54a670d..e04c0d3 100644
--- a/tests/tests/media/src/android/media/cts/DecoderTest.java
+++ b/tests/tests/media/src/android/media/cts/DecoderTest.java
@@ -691,5 +691,110 @@
return crc.getValue();
}
+ public void testFlush() throws Exception {
+ testFlush(R.raw.loudsoftwav);
+ testFlush(R.raw.loudsoftogg);
+ testFlush(R.raw.loudsoftmp3);
+ testFlush(R.raw.loudsoftaac);
+ testFlush(R.raw.loudsoftfaac);
+ testFlush(R.raw.loudsoftitunes);
+ }
+
+ private void testFlush(int resource) throws Exception {
+
+ AssetFileDescriptor testFd = mResources.openRawResourceFd(resource);
+
+ MediaExtractor extractor;
+ MediaCodec codec;
+ ByteBuffer[] codecInputBuffers;
+ ByteBuffer[] codecOutputBuffers;
+
+ extractor = new MediaExtractor();
+ extractor.setDataSource(testFd.getFileDescriptor(), testFd.getStartOffset(),
+ testFd.getLength());
+ testFd.close();
+
+ assertEquals("wrong number of tracks", 1, extractor.getTrackCount());
+ MediaFormat format = extractor.getTrackFormat(0);
+ String mime = format.getString(MediaFormat.KEY_MIME);
+ assertTrue("not an audio file", mime.startsWith("audio/"));
+
+ codec = MediaCodec.createDecoderByType(mime);
+ codec.configure(format, null /* surface */, null /* crypto */, 0 /* flags */);
+ codec.start();
+ codecInputBuffers = codec.getInputBuffers();
+ codecOutputBuffers = codec.getOutputBuffers();
+
+ extractor.selectTrack(0);
+
+ // decode a bit of the first part of the file, and verify the amplitude
+ short maxvalue1 = getAmplitude(extractor, codec);
+
+ // flush the codec and seek the extractor a different position, then decode a bit more
+ // and check the amplitude
+ extractor.seekTo(8000000, 0);
+ codec.flush();
+ short maxvalue2 = getAmplitude(extractor, codec);
+
+ assertTrue(maxvalue1 > 20000);
+ assertTrue(maxvalue2 < 5000);
+ codec.stop();
+ codec.release();
+
+ }
+
+ private short getAmplitude(MediaExtractor extractor, MediaCodec codec) {
+ short maxvalue = 0;
+ int numBytesDecoded = 0;
+ final long kTimeOutUs = 5000;
+ ByteBuffer[] codecInputBuffers = codec.getInputBuffers();
+ ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers();
+ MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
+
+ while(numBytesDecoded < 44100 * 2) {
+ int inputBufIndex = codec.dequeueInputBuffer(kTimeOutUs);
+
+ if (inputBufIndex >= 0) {
+ ByteBuffer dstBuf = codecInputBuffers[inputBufIndex];
+
+ int sampleSize = extractor.readSampleData(dstBuf, 0 /* offset */);
+ long presentationTimeUs = extractor.getSampleTime();
+
+ codec.queueInputBuffer(
+ inputBufIndex,
+ 0 /* offset */,
+ sampleSize,
+ presentationTimeUs,
+ 0 /* flags */);
+
+ extractor.advance();
+ }
+ int res = codec.dequeueOutputBuffer(info, kTimeOutUs);
+
+ if (res >= 0) {
+
+ int outputBufIndex = res;
+ ByteBuffer buf = codecOutputBuffers[outputBufIndex];
+
+ for (int i = 0; i < info.size; i += 2) {
+ short sample = buf.getShort(i);
+ if (maxvalue < sample) {
+ maxvalue = sample;
+ }
+ int idx = (numBytesDecoded + i) / 2;
+ }
+
+ numBytesDecoded += info.size;
+
+ codec.releaseOutputBuffer(outputBufIndex, false /* render */);
+ } else if (res == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
+ codecOutputBuffers = codec.getOutputBuffers();
+ } else if (res == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
+ MediaFormat oformat = codec.getOutputFormat();
+ }
+ }
+ return maxvalue;
+ }
+
}
