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 #ifndef VPX_TEST_WEBM_VIDEO_SOURCE_H_
11 #define VPX_TEST_WEBM_VIDEO_SOURCE_H_
17 #include "../tools_common.h"
18 #include "../webmdec.h"
19 #include "test/video_source.h"
21 namespace libvpx_test {
23 // This class extends VideoSource to allow parsing of WebM files,
24 // so that we can do actual file decodes.
25 class WebMVideoSource : public CompressedVideoSource {
27 explicit WebMVideoSource(const std::string &file_name)
28 : file_name_(file_name), vpx_ctx_(new VpxInputContext()),
29 webm_ctx_(new WebmInputContext()), buf_(nullptr), buf_sz_(0), frame_(0),
30 end_of_file_(false) {}
32 virtual ~WebMVideoSource() {
33 if (vpx_ctx_->file != nullptr) fclose(vpx_ctx_->file);
39 virtual void Init() {}
41 virtual void Begin() {
42 vpx_ctx_->file = OpenTestDataFile(file_name_);
43 ASSERT_NE(vpx_ctx_->file, nullptr)
44 << "Input file open failed. Filename: " << file_name_;
46 ASSERT_EQ(file_is_webm(webm_ctx_, vpx_ctx_), 1) << "file is not WebM";
57 ASSERT_NE(vpx_ctx_->file, nullptr);
58 const int status = webm_read_frame(webm_ctx_, &buf_, &buf_sz_);
59 ASSERT_GE(status, 0) << "webm_read_frame failed";
65 void SeekToNextKeyFrame() {
66 ASSERT_NE(vpx_ctx_->file, nullptr);
68 const int status = webm_read_frame(webm_ctx_, &buf_, &buf_sz_);
69 ASSERT_GE(status, 0) << "webm_read_frame failed";
74 } while (!webm_ctx_->is_key_frame && !end_of_file_);
77 virtual const uint8_t *cxdata() const {
78 return end_of_file_ ? nullptr : buf_;
80 virtual size_t frame_size() const { return buf_sz_; }
81 virtual unsigned int frame_number() const { return frame_; }
84 std::string file_name_;
85 VpxInputContext *vpx_ctx_;
86 WebmInputContext *webm_ctx_;
93 } // namespace libvpx_test
95 #endif // VPX_TEST_WEBM_VIDEO_SOURCE_H_