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612f858ba0
Test enables single-nalu mode, sets limit for nalu lenght and verifies that encoder follows that limit. I found that QP jumps significantly when the mode is enabled. In result encoder might produce 4kbyte and 0.4kbyte frames back-to-back. But it seems that happens only to couple of frames in the beginning. This caused test to fail with default RC thresholds. To bypass this I increased frame size mismatch threshold from 20 to 30%. This should be Ok considering single-nalu mode is rare. BUG=webrtc:8070 Review-Url: https://codereview.webrtc.org/3014623002 Cr-Commit-Position: refs/heads/master@{#20023}
79 lines
2 KiB
C++
79 lines
2 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
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#define MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
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#include <vector>
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#include "common_types.h" // NOLINT(build/include)
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namespace webrtc {
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namespace test {
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// Statistics for one processed frame.
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struct FrameStatistic {
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explicit FrameStatistic(int frame_number) : frame_number(frame_number) {}
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const int frame_number = 0;
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// Encoding.
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int64_t encode_start_ns = 0;
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int encode_return_code = 0;
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bool encoding_successful = false;
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int encode_time_us = 0;
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int bitrate_kbps = 0;
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size_t encoded_frame_size_bytes = 0;
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webrtc::FrameType frame_type = kVideoFrameDelta;
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// H264 specific.
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rtc::Optional<size_t> max_nalu_length;
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// Decoding.
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int64_t decode_start_ns = 0;
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int decode_return_code = 0;
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bool decoding_successful = false;
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int decode_time_us = 0;
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int decoded_width = 0;
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int decoded_height = 0;
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// Quantization.
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int qp = -1;
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// How many packets were discarded of the encoded frame data (if any).
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int packets_dropped = 0;
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size_t total_packets = 0;
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size_t manipulated_length = 0;
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};
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// Statistics for a sequence of processed frames. This class is not thread safe.
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class Stats {
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public:
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Stats() = default;
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~Stats() = default;
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// Creates a FrameStatistic for the next frame to be processed.
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FrameStatistic* AddFrame();
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// Returns the FrameStatistic corresponding to |frame_number|.
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FrameStatistic* GetFrame(int frame_number);
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size_t size() const;
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// TODO(brandtr): Add output as CSV.
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void PrintSummary() const;
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private:
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std::vector<FrameStatistic> stats_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_TEST_STATS_H_
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