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-rw-r--r--media/libaom/src/test/webm_video_source.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/media/libaom/src/test/webm_video_source.h b/media/libaom/src/test/webm_video_source.h
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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_(NULL), buf_sz_(0), frame_sz_(0),
+ frame_number_(0), end_of_file_(false) {}
+
+ virtual ~WebMVideoSource() {
+ if (aom_ctx_->file != NULL) fclose(aom_ctx_->file);
+ webm_free(webm_ctx_);
+ delete aom_ctx_;
+ delete webm_ctx_;
+ }
+
+ virtual void Init() {}
+
+ virtual void Begin() {
+ aom_ctx_->file = OpenTestDataFile(file_name_);
+ ASSERT_TRUE(aom_ctx_->file != NULL)
+ << "Input file open failed. Filename: " << file_name_;
+
+ ASSERT_EQ(file_is_webm(webm_ctx_, aom_ctx_), 1) << "file is not WebM";
+
+ FillFrame();
+ }
+
+ virtual void Next() {
+ ++frame_number_;
+ FillFrame();
+ }
+
+ void FillFrame() {
+ ASSERT_TRUE(aom_ctx_->file != NULL);
+ 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_TRUE(aom_ctx_->file != NULL);
+ 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_);
+ }
+
+ virtual const uint8_t *cxdata() const { return end_of_file_ ? NULL : buf_; }
+ virtual size_t frame_size() const { return frame_sz_; }
+ virtual unsigned int frame_number() const { 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_