63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#pragma once
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#include "VideoEncoderBase.h"
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#include "common/config.h"
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#include <string>
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#include <vector>
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// 合规守护：DISABLE_FFMPEG_FOR_TEST=1 时整类移出编译单元，避免 GPL 传染（与 c0a632a 对齐）
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#if defined(_WIN64) && !DISABLE_FFMPEG_FOR_TEST
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struct AVCodecContext;
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struct AVFrame;
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struct AVPacket;
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// FFmpeg 硬编 AV1 实现。
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// 后端探测顺序：av1_nvenc (NVIDIA RTX 40+) → av1_amf (AMD RX 7000+) → av1_qsv
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// (Intel Arc / 11 代+ 部分核显)。AV1 硬编硬件门槛比 H.264 高得多 —— 没合适
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// 硬件时 open 全部失败，由 EncoderFactory 自动回退到 H.264 路径。
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//
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// 注意：FFmpeg 7.1 没有 av1_mf 兜底，因此本类的探测列表比 H.264 短一项。
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class CFFmpegAV1Encoder : public VideoEncoderBase
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{
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public:
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CFFmpegAV1Encoder();
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~CFFmpegAV1Encoder() override;
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bool open(const EncoderParams& params) override;
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void close() override;
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int encode(
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uint8_t* rgb,
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uint8_t bpp,
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uint32_t stride,
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uint32_t width,
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uint32_t height,
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uint8_t** lppData,
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uint32_t* lpSize,
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int direction = 1
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) override;
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void forceIDR() override { m_forceIDR = true; }
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void setBitrate(int kbps) override;
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VideoCodec codec() const override { return VideoCodec::AV1; }
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const char* backendName() const override { return m_backend.c_str(); }
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private:
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bool tryOpenBackend(const char* name, const EncoderParams& p);
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void cleanupCodec();
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int convertRGB24ToNV12(uint8_t* rgb, uint32_t stride,
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uint32_t width, uint32_t height, int direction);
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AVCodecContext* m_ctx = nullptr;
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AVFrame* m_frame = nullptr;
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AVPacket* m_packet = nullptr;
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std::vector<uint8_t> m_outputBuffer;
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std::vector<uint8_t> m_i420Scratch;
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int64_t m_pts = 0;
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bool m_forceIDR = false;
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std::string m_backend;
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};
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#endif // _WIN64 && !DISABLE_FFMPEG_FOR_TEST
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