Move Codec2-related code from hardware/google/av
Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/components/flac/C2SoftFlacEnc.h b/media/codec2/components/flac/C2SoftFlacEnc.h
new file mode 100644
index 0000000..cdf305e
--- /dev/null
+++ b/media/codec2/components/flac/C2SoftFlacEnc.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_C2_SOFT_FLAC_ENC_H_
+#define ANDROID_C2_SOFT_FLAC_ENC_H_
+
+#include <SimpleC2Component.h>
+
+#include "FLAC/stream_encoder.h"
+
+#define FLAC_COMPRESSION_LEVEL_MIN 0
+#define FLAC_COMPRESSION_LEVEL_DEFAULT 5
+#define FLAC_COMPRESSION_LEVEL_MAX 8
+
+#define FLAC_HEADER_SIZE 128
+
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+
+namespace android {
+
+class C2SoftFlacEnc : public SimpleC2Component {
+public:
+ class IntfImpl;
+
+ C2SoftFlacEnc(const char *name, c2_node_id_t id, const std::shared_ptr<IntfImpl> &intfImpl);
+ virtual ~C2SoftFlacEnc();
+
+ // From SimpleC2Component
+ c2_status_t onInit() override;
+ c2_status_t onStop() override;
+ void onReset() override;
+ void onRelease() override;
+ c2_status_t onFlush_sm() override;
+ void process(
+ const std::unique_ptr<C2Work> &work,
+ const std::shared_ptr<C2BlockPool> &pool) override;
+ c2_status_t drain(
+ uint32_t drainMode,
+ const std::shared_ptr<C2BlockPool> &pool) override;
+
+private:
+ status_t configureEncoder();
+ static FLAC__StreamEncoderWriteStatus flacEncoderWriteCallback(
+ const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[],
+ size_t bytes, unsigned samples, unsigned current_frame,
+ void *client_data);
+ FLAC__StreamEncoderWriteStatus onEncodedFlacAvailable(
+ const FLAC__byte buffer[], size_t bytes, unsigned samples,
+ unsigned current_frame);
+
+ std::shared_ptr<IntfImpl> mIntf;
+ const unsigned int kInBlockSize = 1152;
+ const unsigned int kMaxNumChannels = 2;
+ FLAC__StreamEncoder* mFlacStreamEncoder;
+ FLAC__int32* mInputBufferPcm32;
+ std::shared_ptr<C2LinearBlock> mOutputBlock;
+ bool mSignalledError;
+ bool mSignalledOutputEos;
+ uint32_t mCompressionLevel;
+ uint32_t mBlockSize;
+ bool mIsFirstFrame;
+ uint64_t mAnchorTimeStamp;
+ uint64_t mProcessedSamples;
+ // should the data received by the callback be written to the output port
+ bool mEncoderWriteData;
+ size_t mEncoderReturnedNbBytes;
+ unsigned mHeaderOffset;
+ bool mWroteHeader;
+ char mHeader[FLAC_HEADER_SIZE];
+
+ C2_DO_NOT_COPY(C2SoftFlacEnc);
+};
+
+} // namespace android
+
+#endif // ANDROID_C2_SOFT_FLAC_ENC_H_