2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VPX_TEST_DECODE_TEST_DRIVER_H_
12 #define VPX_TEST_DECODE_TEST_DRIVER_H_
14 #include "third_party/googletest/src/include/gtest/gtest.h"
15 #include "./vpx_config.h"
16 #include "vpx/vpx_decoder.h"
18 namespace libvpx_test {
21 class CompressedVideoSource;
23 // Provides an object to handle decoding output
24 class DxDataIterator {
26 explicit DxDataIterator(vpx_codec_ctx_t *decoder)
27 : decoder_(decoder), iter_(NULL) {}
29 const vpx_image_t *Next() { return vpx_codec_get_frame(decoder_, &iter_); }
32 vpx_codec_ctx_t *decoder_;
33 vpx_codec_iter_t iter_;
36 // Provides a simplified interface to manage one video decoding.
37 // Similar to Encoder class, the exact services should be added
38 // as more tests are added.
41 explicit Decoder(vpx_codec_dec_cfg_t cfg)
42 : cfg_(cfg), flags_(0), init_done_(false) {
43 memset(&decoder_, 0, sizeof(decoder_));
46 Decoder(vpx_codec_dec_cfg_t cfg, const vpx_codec_flags_t flag)
47 : cfg_(cfg), flags_(flag), init_done_(false) {
48 memset(&decoder_, 0, sizeof(decoder_));
51 virtual ~Decoder() { vpx_codec_destroy(&decoder_); }
53 vpx_codec_err_t PeekStream(const uint8_t *cxdata, size_t size,
54 vpx_codec_stream_info_t *stream_info);
56 vpx_codec_err_t DecodeFrame(const uint8_t *cxdata, size_t size);
58 vpx_codec_err_t DecodeFrame(const uint8_t *cxdata, size_t size,
61 DxDataIterator GetDxData() { return DxDataIterator(&decoder_); }
63 void Control(int ctrl_id, int arg) { Control(ctrl_id, arg, VPX_CODEC_OK); }
65 void Control(int ctrl_id, const void *arg) {
67 const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
68 ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
71 void Control(int ctrl_id, int arg, vpx_codec_err_t expected_value) {
73 const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
74 ASSERT_EQ(expected_value, res) << DecodeError();
77 const char *DecodeError() {
78 const char *detail = vpx_codec_error_detail(&decoder_);
79 return detail ? detail : vpx_codec_error(&decoder_);
82 // Passes the external frame buffer information to libvpx.
83 vpx_codec_err_t SetFrameBufferFunctions(
84 vpx_get_frame_buffer_cb_fn_t cb_get,
85 vpx_release_frame_buffer_cb_fn_t cb_release, void *user_priv) {
87 return vpx_codec_set_frame_buffer_functions(&decoder_, cb_get, cb_release,
91 const char *GetDecoderName() const {
92 return vpx_codec_iface_name(CodecInterface());
97 vpx_codec_ctx_t *GetDecoder() { return &decoder_; }
100 virtual vpx_codec_iface_t *CodecInterface() const = 0;
104 const vpx_codec_err_t res =
105 vpx_codec_dec_init(&decoder_, CodecInterface(), &cfg_, flags_);
106 ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
111 vpx_codec_ctx_t decoder_;
112 vpx_codec_dec_cfg_t cfg_;
113 vpx_codec_flags_t flags_;
117 // Common test functionality for all Decoder tests.
120 // Main decoding loop
121 virtual void RunLoop(CompressedVideoSource *video);
122 virtual void RunLoop(CompressedVideoSource *video,
123 const vpx_codec_dec_cfg_t &dec_cfg);
125 virtual void set_cfg(const vpx_codec_dec_cfg_t &dec_cfg);
126 virtual void set_flags(const vpx_codec_flags_t flags);
128 // Hook to be called before decompressing every frame.
129 virtual void PreDecodeFrameHook(const CompressedVideoSource & /*video*/,
130 Decoder * /*decoder*/) {}
132 // Hook to be called to handle decode result. Return true to continue.
133 virtual bool HandleDecodeResult(const vpx_codec_err_t res_dec,
134 const CompressedVideoSource & /*video*/,
136 EXPECT_EQ(VPX_CODEC_OK, res_dec) << decoder->DecodeError();
137 return VPX_CODEC_OK == res_dec;
140 // Hook to be called on every decompressed frame.
141 virtual void DecompressedFrameHook(const vpx_image_t & /*img*/,
142 const unsigned int /*frame_number*/) {}
144 // Hook to be called on peek result
145 virtual void HandlePeekResult(Decoder *const decoder,
146 CompressedVideoSource *video,
147 const vpx_codec_err_t res_peek);
150 explicit DecoderTest(const CodecFactory *codec)
151 : codec_(codec), cfg_(), flags_(0) {}
153 virtual ~DecoderTest() {}
155 const CodecFactory *codec_;
156 vpx_codec_dec_cfg_t cfg_;
157 vpx_codec_flags_t flags_;
160 } // namespace libvpx_test
162 #endif // VPX_TEST_DECODE_TEST_DRIVER_H_