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Diffstat (limited to 'media/libvpx/libvpx/test/decode_test_driver.h')
-rw-r--r-- | media/libvpx/libvpx/test/decode_test_driver.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/decode_test_driver.h b/media/libvpx/libvpx/test/decode_test_driver.h new file mode 100644 index 0000000000..f446ab4664 --- /dev/null +++ b/media/libvpx/libvpx/test/decode_test_driver.h @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2012 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef VPX_TEST_DECODE_TEST_DRIVER_H_ +#define VPX_TEST_DECODE_TEST_DRIVER_H_ +#include <cstring> +#include "third_party/googletest/src/include/gtest/gtest.h" +#include "./vpx_config.h" +#include "vpx/vpx_decoder.h" + +namespace libvpx_test { + +class CodecFactory; +class CompressedVideoSource; + +// Provides an object to handle decoding output +class DxDataIterator { + public: + explicit DxDataIterator(vpx_codec_ctx_t *decoder) + : decoder_(decoder), iter_(nullptr) {} + + const vpx_image_t *Next() { return vpx_codec_get_frame(decoder_, &iter_); } + + private: + vpx_codec_ctx_t *decoder_; + vpx_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(vpx_codec_dec_cfg_t cfg) + : cfg_(cfg), flags_(0), init_done_(false) { + memset(&decoder_, 0, sizeof(decoder_)); + } + + Decoder(vpx_codec_dec_cfg_t cfg, const vpx_codec_flags_t flag) + : cfg_(cfg), flags_(flag), init_done_(false) { + memset(&decoder_, 0, sizeof(decoder_)); + } + + virtual ~Decoder() { vpx_codec_destroy(&decoder_); } + + vpx_codec_err_t PeekStream(const uint8_t *cxdata, size_t size, + vpx_codec_stream_info_t *stream_info); + + vpx_codec_err_t DecodeFrame(const uint8_t *cxdata, size_t size); + + vpx_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, VPX_CODEC_OK); } + + void Control(int ctrl_id, const void *arg) { + InitOnce(); + const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg); + ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError(); + } + + void Control(int ctrl_id, int arg, vpx_codec_err_t expected_value) { + InitOnce(); + const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg); + ASSERT_EQ(expected_value, res) << DecodeError(); + } + + const char *DecodeError() { + const char *detail = vpx_codec_error_detail(&decoder_); + return detail ? detail : vpx_codec_error(&decoder_); + } + + // Passes the external frame buffer information to libvpx. + vpx_codec_err_t SetFrameBufferFunctions( + vpx_get_frame_buffer_cb_fn_t cb_get, + vpx_release_frame_buffer_cb_fn_t cb_release, void *user_priv) { + InitOnce(); + return vpx_codec_set_frame_buffer_functions(&decoder_, cb_get, cb_release, + user_priv); + } + + const char *GetDecoderName() const { + return vpx_codec_iface_name(CodecInterface()); + } + + bool IsVP8() const; + + vpx_codec_ctx_t *GetDecoder() { return &decoder_; } + + protected: + virtual vpx_codec_iface_t *CodecInterface() const = 0; + + void InitOnce() { + if (!init_done_) { + const vpx_codec_err_t res = + vpx_codec_dec_init(&decoder_, CodecInterface(), &cfg_, flags_); + ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError(); + init_done_ = true; + } + } + + vpx_codec_ctx_t decoder_; + vpx_codec_dec_cfg_t cfg_; + vpx_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 vpx_codec_dec_cfg_t &dec_cfg); + + virtual void set_cfg(const vpx_codec_dec_cfg_t &dec_cfg); + virtual void set_flags(const vpx_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 vpx_codec_err_t res_dec, + const CompressedVideoSource & /*video*/, + Decoder *decoder) { + EXPECT_EQ(VPX_CODEC_OK, res_dec) << decoder->DecodeError(); + return VPX_CODEC_OK == res_dec; + } + + // Hook to be called on every decompressed frame. + virtual void DecompressedFrameHook(const vpx_image_t & /*img*/, + const unsigned int /*frame_number*/) {} + + // Hook to be called on peek result + virtual void HandlePeekResult(Decoder *const decoder, + CompressedVideoSource *video, + const vpx_codec_err_t res_peek); + + protected: + explicit DecoderTest(const CodecFactory *codec) + : codec_(codec), cfg_(), flags_(0) {} + + virtual ~DecoderTest() {} + + const CodecFactory *codec_; + vpx_codec_dec_cfg_t cfg_; + vpx_codec_flags_t flags_; +}; + +} // namespace libvpx_test + +#endif // VPX_TEST_DECODE_TEST_DRIVER_H_ |