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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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diff --git a/third_party/aom/test/decode_test_driver.h b/third_party/aom/test/decode_test_driver.h
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+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef TEST_DECODE_TEST_DRIVER_H_
+#define TEST_DECODE_TEST_DRIVER_H_
+#include <cstring>
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "./aom_config.h"
+#include "aom/aom_decoder.h"
+
+namespace libaom_test {
+
+class CodecFactory;
+class CompressedVideoSource;
+
+// Provides an object to handle decoding output
+class DxDataIterator {
+ public:
+ explicit DxDataIterator(aom_codec_ctx_t *decoder)
+ : decoder_(decoder), iter_(NULL) {}
+
+ const aom_image_t *Next() { return aom_codec_get_frame(decoder_, &iter_); }
+
+ private:
+ aom_codec_ctx_t *decoder_;
+ aom_codec_iter_t iter_;
+};
+
+// Provides a simplified interface to manage one video decoding.
+// Similar to Encoder class, the exact services should be added
+// as more tests are added.
+class Decoder {
+ public:
+ explicit Decoder(aom_codec_dec_cfg_t cfg)
+ : cfg_(cfg), flags_(0), init_done_(false) {
+ memset(&decoder_, 0, sizeof(decoder_));
+ }
+
+ Decoder(aom_codec_dec_cfg_t cfg, const aom_codec_flags_t flag)
+ : cfg_(cfg), flags_(flag), init_done_(false) {
+ memset(&decoder_, 0, sizeof(decoder_));
+ }
+
+ virtual ~Decoder() { aom_codec_destroy(&decoder_); }
+
+ aom_codec_err_t PeekStream(const uint8_t *cxdata, size_t size,
+ aom_codec_stream_info_t *stream_info);
+
+ aom_codec_err_t DecodeFrame(const uint8_t *cxdata, size_t size);
+
+ aom_codec_err_t DecodeFrame(const uint8_t *cxdata, size_t size,
+ void *user_priv);
+
+ DxDataIterator GetDxData() { return DxDataIterator(&decoder_); }
+
+ void Control(int ctrl_id, int arg) { Control(ctrl_id, arg, AOM_CODEC_OK); }
+
+ void Control(int ctrl_id, const void *arg) {
+ InitOnce();
+ const aom_codec_err_t res = aom_codec_control_(&decoder_, ctrl_id, arg);
+ ASSERT_EQ(AOM_CODEC_OK, res) << DecodeError();
+ }
+
+ void Control(int ctrl_id, int arg, aom_codec_err_t expected_value) {
+ InitOnce();
+ const aom_codec_err_t res = aom_codec_control_(&decoder_, ctrl_id, arg);
+ ASSERT_EQ(expected_value, res) << DecodeError();
+ }
+
+ const char *DecodeError() {
+ const char *detail = aom_codec_error_detail(&decoder_);
+ return detail ? detail : aom_codec_error(&decoder_);
+ }
+
+ // Passes the external frame buffer information to libaom.
+ aom_codec_err_t SetFrameBufferFunctions(
+ aom_get_frame_buffer_cb_fn_t cb_get,
+ aom_release_frame_buffer_cb_fn_t cb_release, void *user_priv) {
+ InitOnce();
+ return aom_codec_set_frame_buffer_functions(&decoder_, cb_get, cb_release,
+ user_priv);
+ }
+
+ const char *GetDecoderName() const {
+ return aom_codec_iface_name(CodecInterface());
+ }
+
+ bool IsVP8() const;
+
+ bool IsAV1() const;
+
+ aom_codec_ctx_t *GetDecoder() { return &decoder_; }
+
+ protected:
+ virtual aom_codec_iface_t *CodecInterface() const = 0;
+
+ void InitOnce() {
+ if (!init_done_) {
+ const aom_codec_err_t res =
+ aom_codec_dec_init(&decoder_, CodecInterface(), &cfg_, flags_);
+ ASSERT_EQ(AOM_CODEC_OK, res) << DecodeError();
+ init_done_ = true;
+ }
+ }
+
+ aom_codec_ctx_t decoder_;
+ aom_codec_dec_cfg_t cfg_;
+ aom_codec_flags_t flags_;
+ bool init_done_;
+};
+
+// Common test functionality for all Decoder tests.
+class DecoderTest {
+ public:
+ // Main decoding loop
+ virtual void RunLoop(CompressedVideoSource *video);
+ virtual void RunLoop(CompressedVideoSource *video,
+ const aom_codec_dec_cfg_t &dec_cfg);
+
+ virtual void set_cfg(const aom_codec_dec_cfg_t &dec_cfg);
+ virtual void set_flags(const aom_codec_flags_t flags);
+
+ // Hook to be called before decompressing every frame.
+ virtual void PreDecodeFrameHook(const CompressedVideoSource & /*video*/,
+ Decoder * /*decoder*/) {}
+
+ // Hook to be called to handle decode result. Return true to continue.
+ virtual bool HandleDecodeResult(const aom_codec_err_t res_dec,
+ Decoder *decoder) {
+ EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
+ return AOM_CODEC_OK == res_dec;
+ }
+
+ // Hook to be called on every decompressed frame.
+ virtual void DecompressedFrameHook(const aom_image_t & /*img*/,
+ const unsigned int /*frame_number*/) {}
+
+ // Hook to be called on peek result
+ virtual void HandlePeekResult(Decoder *const decoder,
+ CompressedVideoSource *video,
+ const aom_codec_err_t res_peek);
+
+ protected:
+ explicit DecoderTest(const CodecFactory *codec)
+ : codec_(codec), cfg_(), flags_(0) {}
+
+ virtual ~DecoderTest() {}
+
+ const CodecFactory *codec_;
+ aom_codec_dec_cfg_t cfg_;
+ aom_codec_flags_t flags_;
+};
+
+} // namespace libaom_test
+
+#endif // TEST_DECODE_TEST_DRIVER_H_