120 строки
3.2 KiB
C++
120 строки
3.2 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_DECODE_TEST_DRIVER_H_
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#define TEST_DECODE_TEST_DRIVER_H_
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#include <cstring>
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "vpx_config.h"
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#include "vpx/vpx_decoder.h"
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namespace libvpx_test {
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class CodecFactory;
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class CompressedVideoSource;
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// Provides an object to handle decoding output
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class DxDataIterator {
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public:
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explicit DxDataIterator(vpx_codec_ctx_t *decoder)
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: decoder_(decoder), iter_(NULL) {}
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const vpx_image_t *Next() {
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return vpx_codec_get_frame(decoder_, &iter_);
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}
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private:
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vpx_codec_ctx_t *decoder_;
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vpx_codec_iter_t iter_;
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};
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// Provides a simplified interface to manage one video decoding.
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//
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// TODO: similar to Encoder class, the exact services should be
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// added as more tests are added.
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class Decoder {
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public:
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Decoder(vpx_codec_dec_cfg_t cfg, unsigned long deadline)
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: cfg_(cfg), deadline_(deadline), init_done_(false) {
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memset(&decoder_, 0, sizeof(decoder_));
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}
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virtual ~Decoder() {
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vpx_codec_destroy(&decoder_);
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}
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vpx_codec_err_t DecodeFrame(const uint8_t *cxdata, int size);
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DxDataIterator GetDxData() {
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return DxDataIterator(&decoder_);
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}
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void set_deadline(unsigned long deadline) {
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deadline_ = deadline;
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}
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void Control(int ctrl_id, int arg) {
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InitOnce();
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const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
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ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
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}
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void Control(int ctrl_id, const void *arg) {
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InitOnce();
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const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
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ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
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}
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const char* DecodeError() {
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const char *detail = vpx_codec_error_detail(&decoder_);
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return detail ? detail : vpx_codec_error(&decoder_);
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}
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protected:
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virtual const vpx_codec_iface_t* CodecInterface() const = 0;
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void InitOnce() {
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if (!init_done_) {
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const vpx_codec_err_t res = vpx_codec_dec_init(&decoder_,
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CodecInterface(),
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&cfg_, 0);
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ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
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init_done_ = true;
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}
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}
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vpx_codec_ctx_t decoder_;
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vpx_codec_dec_cfg_t cfg_;
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unsigned int deadline_;
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bool init_done_;
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};
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// Common test functionality for all Decoder tests.
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class DecoderTest {
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public:
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// Main decoding loop
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virtual void RunLoop(CompressedVideoSource *video);
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// Hook to be called on every decompressed frame.
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virtual void DecompressedFrameHook(const vpx_image_t& img,
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const unsigned int frame_number) {}
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protected:
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explicit DecoderTest(const CodecFactory *codec) : codec_(codec) {}
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virtual ~DecoderTest() {}
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const CodecFactory *codec_;
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};
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} // namespace libvpx_test
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#endif // TEST_DECODE_TEST_DRIVER_H_
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