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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_TEST_WEBM_VIDEO_SOURCE_H_
#define AOM_TEST_WEBM_VIDEO_SOURCE_H_
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <new>
#include <string>
#include "common/tools_common.h"
#include "common/webmdec.h"
#include "test/video_source.h"
namespace libaom_test {
// This class extends VideoSource to allow parsing of WebM files,
// so that we can do actual file decodes.
class WebMVideoSource : public CompressedVideoSource {
public:
explicit WebMVideoSource(const std::string &file_name)
: file_name_(file_name), aom_ctx_(new AvxInputContext()),
webm_ctx_(new WebmInputContext()), buf_(nullptr), buf_sz_(0),
frame_sz_(0), frame_number_(0), end_of_file_(false) {}
~WebMVideoSource() override {
if (aom_ctx_->file != nullptr) fclose(aom_ctx_->file);
webm_free(webm_ctx_);
delete aom_ctx_;
delete webm_ctx_;
}
void Init() override {
ASSERT_NE(aom_ctx_, nullptr);
ASSERT_NE(webm_ctx_, nullptr);
}
void Begin() override {
ASSERT_NE(aom_ctx_, nullptr);
ASSERT_NE(webm_ctx_, nullptr);
aom_ctx_->file = OpenTestDataFile(file_name_);
ASSERT_NE(aom_ctx_->file, nullptr)
<< "Input file open failed. Filename: " << file_name_;
ASSERT_EQ(file_is_webm(webm_ctx_, aom_ctx_), 1) << "file is not WebM";
FillFrame();
}
void Next() override {
++frame_number_;
FillFrame();
}
void FillFrame() {
ASSERT_NE(aom_ctx_, nullptr);
ASSERT_NE(webm_ctx_, nullptr);
ASSERT_NE(aom_ctx_->file, nullptr);
const int status = webm_read_frame(webm_ctx_, &buf_, &frame_sz_, &buf_sz_);
ASSERT_GE(status, 0) << "webm_read_frame failed";
if (status == 1) {
end_of_file_ = true;
}
}
void SeekToNextKeyFrame() {
ASSERT_NE(aom_ctx_, nullptr);
ASSERT_NE(webm_ctx_, nullptr);
ASSERT_NE(aom_ctx_->file, nullptr);
do {
const int status =
webm_read_frame(webm_ctx_, &buf_, &frame_sz_, &buf_sz_);
ASSERT_GE(status, 0) << "webm_read_frame failed";
++frame_number_;
if (status == 1) {
end_of_file_ = true;
}
} while (!webm_ctx_->is_key_frame && !end_of_file_);
}
const uint8_t *cxdata() const override {
return end_of_file_ ? nullptr : buf_;
}
size_t frame_size() const override { return frame_sz_; }
unsigned int frame_number() const override { return frame_number_; }
protected:
std::string file_name_;
AvxInputContext *aom_ctx_;
WebmInputContext *webm_ctx_;
uint8_t *buf_; // Owned by webm_ctx_ and freed when webm_ctx_ is freed.
size_t buf_sz_;
size_t frame_sz_;
unsigned int frame_number_;
bool end_of_file_;
};
} // namespace libaom_test
#endif // AOM_TEST_WEBM_VIDEO_SOURCE_H_
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