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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
#define WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
#include <vector>
#include "webrtc/common_video/interface/video_image.h"
namespace webrtc {
namespace test {
// Contains statistics of a single frame that has been processed.
struct FrameStatistic {
FrameStatistic();
bool encoding_successful;
bool decoding_successful;
int encode_return_code;
int decode_return_code;
int encode_time_in_us;
int decode_time_in_us;
int frame_number;
// How many packets were discarded of the encoded frame data (if any).
int packets_dropped;
size_t total_packets;
// Current bit rate. Calculated out of the size divided with the time
// interval per frame.
int bit_rate_in_kbps;
// Copied from EncodedImage
size_t encoded_frame_length_in_bytes;
webrtc::VideoFrameType frame_type;
};
// Handles statistics from a single video processing run.
// Contains calculation methods for interesting metrics from these stats.
class Stats {
public:
typedef std::vector<FrameStatistic>::iterator FrameStatisticsIterator;
Stats();
virtual ~Stats();
// Add a new statistic data object.
// The frame number must be incrementing and start at zero in order to use
// it as an index for the frame_statistics_ vector.
// Returns the newly created statistic object.
FrameStatistic& NewFrame(int frame_number);
// Prints a summary of all the statistics that have been gathered during the
// processing
void PrintSummary();
std::vector<FrameStatistic> stats_;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
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