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.
10 #include "test/codec_factory.h"
11 #include "test/decode_test_driver.h"
12 #include "third_party/googletest/src/include/gtest/gtest.h"
13 #include "test/register_state_check.h"
14 #include "test/video_source.h"
16 namespace libvpx_test {
18 const char kVP8Name[] = "WebM Project VP8";
20 vpx_codec_err_t Decoder::PeekStream(const uint8_t *cxdata, size_t size,
21 vpx_codec_stream_info_t *stream_info) {
22 return vpx_codec_peek_stream_info(CodecInterface(),
23 cxdata, static_cast<unsigned int>(size),
27 vpx_codec_err_t Decoder::DecodeFrame(const uint8_t *cxdata, size_t size) {
28 return DecodeFrame(cxdata, size, NULL);
31 vpx_codec_err_t Decoder::DecodeFrame(const uint8_t *cxdata, size_t size,
33 vpx_codec_err_t res_dec;
35 API_REGISTER_STATE_CHECK(
36 res_dec = vpx_codec_decode(&decoder_,
37 cxdata, static_cast<unsigned int>(size),
42 bool Decoder::IsVP8() const {
43 const char *codec_name = GetDecoderName();
44 return strncmp(kVP8Name, codec_name, sizeof(kVP8Name) - 1) == 0;
47 void DecoderTest::HandlePeekResult(Decoder *const decoder,
48 CompressedVideoSource *video,
49 const vpx_codec_err_t res_peek) {
50 const bool is_vp8 = decoder->IsVP8();
52 /* Vp8's implementation of PeekStream returns an error if the frame you
53 * pass it is not a keyframe, so we only expect VPX_CODEC_OK on the first
54 * frame, which must be a keyframe. */
55 if (video->frame_number() == 0)
56 ASSERT_EQ(VPX_CODEC_OK, res_peek) << "Peek return failed: "
57 << vpx_codec_err_to_string(res_peek);
59 /* The Vp9 implementation of PeekStream returns an error only if the
60 * data passed to it isn't a valid Vp9 chunk. */
61 ASSERT_EQ(VPX_CODEC_OK, res_peek) << "Peek return failed: "
62 << vpx_codec_err_to_string(res_peek);
66 void DecoderTest::RunLoop(CompressedVideoSource *video,
67 const vpx_codec_dec_cfg_t &dec_cfg) {
68 Decoder* const decoder = codec_->CreateDecoder(dec_cfg, 0);
69 ASSERT_TRUE(decoder != NULL);
70 bool end_of_file = false;
73 for (video->Begin(); !::testing::Test::HasFailure() && !end_of_file;
75 PreDecodeFrameHook(*video, decoder);
77 vpx_codec_stream_info_t stream_info;
78 stream_info.sz = sizeof(stream_info);
80 if (video->cxdata() != NULL) {
81 const vpx_codec_err_t res_peek = decoder->PeekStream(video->cxdata(),
84 HandlePeekResult(decoder, video, res_peek);
85 ASSERT_FALSE(::testing::Test::HasFailure());
87 vpx_codec_err_t res_dec = decoder->DecodeFrame(video->cxdata(),
89 if (!HandleDecodeResult(res_dec, *video, decoder))
92 // Signal end of the file to the decoder.
93 const vpx_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0);
94 ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder->DecodeError();
98 DxDataIterator dec_iter = decoder->GetDxData();
99 const vpx_image_t *img = NULL;
101 // Get decompressed data
102 while ((img = dec_iter.Next()))
103 DecompressedFrameHook(*img, video->frame_number());
108 void DecoderTest::RunLoop(CompressedVideoSource *video) {
109 vpx_codec_dec_cfg_t dec_cfg = {0};
110 RunLoop(video, dec_cfg);
113 } // namespace libvpx_test