harry
f2eb7139da
clipbin-obs starts the pinned libobs on a dedicated thread, opens exactly the bundled plugin allowlist, and records official capture sources through one hardware encoder into keyframe-aligned Matroska segments. Status reaches Recording only once the source has a picture and the segment grows on disk. clipbin-probe lists and verifies hardware encoders and records from a real capture source, printing status, health and segment events for validation.
110 lines
3.2 KiB
Rust
110 lines
3.2 KiB
Rust
use clipbin_core::VideoCodec;
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/// Official OBS hardware encoders for each codec, most preferred first.
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///
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/// Texture-based encoders come first because they take frames straight from
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/// the GPU; their counterparts copy each frame through system memory. Software
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/// encoders are deliberately absent: a codec without a working hardware
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/// encoder is unavailable, never silently software-encoded.
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pub fn hardware_candidates(codec: VideoCodec) -> &'static [&'static str] {
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#[cfg(windows)]
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return match codec {
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VideoCodec::H264 => &[
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"obs_nvenc_h264_tex",
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"h264_texture_amf",
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"obs_qsv11_v2",
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"obs_nvenc_h264_soft",
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"obs_qsv11_soft_v2",
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"h264_fallback_amf",
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],
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VideoCodec::Hevc => &[
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"obs_nvenc_hevc_tex",
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"h265_texture_amf",
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"obs_qsv11_hevc",
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"obs_nvenc_hevc_soft",
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"obs_qsv11_hevc_soft",
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"h265_fallback_amf",
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],
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VideoCodec::Av1 => &[
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"obs_nvenc_av1_tex",
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"av1_texture_amf",
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"obs_qsv11_av1",
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"obs_nvenc_av1_soft",
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"obs_qsv11_av1_soft",
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"av1_fallback_amf",
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],
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};
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#[cfg(not(windows))]
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return match codec {
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VideoCodec::H264 => &[
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"obs_nvenc_h264_tex",
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"ffmpeg_vaapi_tex",
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"obs_nvenc_h264_soft",
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"ffmpeg_vaapi",
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],
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VideoCodec::Hevc => &[
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"obs_nvenc_hevc_tex",
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"hevc_ffmpeg_vaapi_tex",
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"obs_nvenc_hevc_soft",
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"hevc_ffmpeg_vaapi",
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],
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VideoCodec::Av1 => &[
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"obs_nvenc_av1_tex",
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"av1_ffmpeg_vaapi_tex",
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"obs_nvenc_av1_soft",
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"av1_ffmpeg_vaapi",
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],
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};
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}
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/// Registered encoders for `codec`, in preference order.
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///
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/// Registration only means the plugin loaded. Whether the device can actually
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/// encode is proven by starting an output; see `Recorder`.
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pub fn registered_candidates<'a>(
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codec: VideoCodec,
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registered: &[impl AsRef<str>],
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) -> Vec<&'a str> {
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hardware_candidates(codec)
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.iter()
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.copied()
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.filter(|id| registered.iter().any(|r| r.as_ref() == *id))
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.collect()
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}
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pub const ALL_CODECS: [VideoCodec; 3] = [VideoCodec::H264, VideoCodec::Hevc, VideoCodec::Av1];
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn candidates_keep_preference_order_and_skip_unregistered() {
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let first = hardware_candidates(VideoCodec::Hevc)[0];
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let third = hardware_candidates(VideoCodec::Hevc)[2];
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let registered = [third, "obs_x264", first];
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assert_eq!(
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registered_candidates(VideoCodec::Hevc, ®istered),
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[first, third]
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);
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}
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#[test]
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fn software_encoders_are_never_candidates() {
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for codec in ALL_CODECS {
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for id in hardware_candidates(codec) {
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assert!(
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![
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"obs_x264",
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"ffmpeg_svt_av1",
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"ffmpeg_aom_av1",
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"ffmpeg_openh264"
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]
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.contains(id)
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);
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}
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}
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}
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}
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