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https://github.com/kasmtech/KasmVNC.git
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70 lines
2.9 KiB
C++
70 lines
2.9 KiB
C++
/* Copyright (C) 2025 Kasm. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#pragma once
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#include <vector>
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#include <span>
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#include "SupportedVideoEncoders.h"
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#include "rfb/ffmpeg.h"
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namespace rfb::video_encoders {
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class EncoderProbe {
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KasmVideoEncoders::EncoderConfig best_encoder{KasmVideoEncoders::Encoder::h264_software};
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KasmVideoEncoders::EncoderConfigs available_encoder_configs;
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FFmpeg &ffmpeg;
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struct EncoderCandidate {
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KasmVideoEncoders::Encoder encoder;
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AVCodecID codec_id;
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AVHWDeviceType hw_type;
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};
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explicit EncoderProbe(FFmpeg &ffmpeg, const std::vector<std::string_view> &parsed_encoders, const char *dri_node);
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static bool dri_node_supports_hwdevice_type(const char *dri_node, int hw_type);
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bool try_open_codec(const char *dri_node, const AVCodec *codec, const EncoderCandidate &candidate) const;
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KasmVideoEncoders::EncoderConfigs probe(const char *dri_node, std::span<EncoderCandidate> candidates);
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public:
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EncoderProbe(const EncoderProbe &) = delete;
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EncoderProbe &operator=(const EncoderProbe &) = delete;
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EncoderProbe(EncoderProbe &&) = delete;
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EncoderProbe &operator=(EncoderProbe &&) = delete;
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static EncoderProbe &get(FFmpeg &ffmpeg, const std::vector<std::string_view> &parsed_encoders, const char *dri_node) {
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static EncoderProbe instance{ffmpeg, parsed_encoders, dri_node};
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return instance;
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}
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// [[nodiscard]] static bool is_acceleration_available();
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[[nodiscard]] KasmVideoEncoders::EncoderConfig get_best_encoder() const {
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return best_encoder;
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}
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[[nodiscard]] const KasmVideoEncoders::EncoderConfigs &get_available_encoders() const {
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return available_encoder_configs;
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}
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/*[[nodiscard]] const KasmVideoEncoders::Encoders &update_encoders(const std::vector<std::string_view> &codecs) {
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available_encoders = SupportedVideoEncoders::filter_available_encoders(SupportedVideoEncoders::map_encoders(codecs), available_encoders);
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return available_encoders;
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}*/
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};
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} // namespace rfb::video_encoders
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