ede59e17d8
1. Spatial AQ, for some reason NVENC have problems recovering details on flat regions of static images over multiple frames, official docs recommend to enable it for "game-streaming" 2. Percentage increase of default single-frame VBV/HRD, can act as low latency variable bitrate substitute
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
#pragma once
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namespace nvenc {
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enum class nvenc_two_pass {
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// Single pass, the fastest and no extra vram
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disabled,
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// Larger motion vectors being caught, faster and uses less extra vram
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quarter_resolution,
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// Better overall statistics, slower and uses more extra vram
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full_resolution,
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};
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struct nvenc_config {
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// Quality preset from 1 to 7, higher is slower
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int quality_preset = 1;
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// Use optional preliminary pass for better motion vectors, bitrate distribution and stricter VBV(HRD), uses CUDA cores
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nvenc_two_pass two_pass = nvenc_two_pass::quarter_resolution;
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// Percentage increase of VBV/HRD from the default single frame, allows low-latency variable bitrate
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int vbv_percentage_increase = 0;
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// Improves fades compression, uses CUDA cores
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bool weighted_prediction = false;
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// Allocate more bitrate to flat regions since they're visually more perceptible, uses CUDA cores
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bool adaptive_quantization = false;
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// Don't use QP below certain value, limits peak image quality to save bitrate
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bool enable_min_qp = false;
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// Min QP value for H.264 when enable_min_qp is selected
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unsigned min_qp_h264 = 19;
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// Min QP value for HEVC when enable_min_qp is selected
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unsigned min_qp_hevc = 23;
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// Min QP value for AV1 when enable_min_qp is selected
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unsigned min_qp_av1 = 23;
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// Use CAVLC entropy coding in H.264 instead of CABAC, not relevant and here for historical reasons
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bool h264_cavlc = false;
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// Add filler data to encoded frames to stay at target bitrate, mainly for testing
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bool insert_filler_data = false;
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};
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} // namespace nvenc
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