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x265 is not available most of time so use va h265 encoder instead (available in flatpak). May not work always, to be improved.

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brunoherbelin
2025-11-18 12:03:04 +01:00
parent 08d6d60f57
commit 9807da71dc
1 changed files with 14 additions and 21 deletions
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35
src/Recorder.cpp
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@@ -164,25 +164,18 @@ const std::vector<std::string> VideoRecorder::profile_description {
// fast (5)
"video/x-raw, format=I420 ! x264enc tune=\"zerolatency\" pass=4 quantizer=22 speed-preset=2 ! video/x-h264, profile=baseline ! h264parse ! ",
"video/x-raw, format=Y444_10LE ! x264enc tune=\"zerolatency\" pass=4 quantizer=18 speed-preset=3 ! video/x-h264, profile=(string)high-4:4:4 ! h264parse ! ",
// Control x265 encoder quality :
// NB: apparently x265 only accepts I420 format :(
// speed-preset
// superfast (2)
// veryfast (3)
// faster (4)
// fast (5)
// Tune
// psnr (1)
// ssim (2) DEFAULT
// grain (3)
// zerolatency (4) Encoder latency is removed
// fastdecode (5)
// animation (6) optimize the encode quality for animation content without impacting the encode speed
// crf Quality-controlled variable bitrate [0 51]
// default 28
// 24 for x265 should be visually transparent; anything lower will probably just waste file size
"video/x-raw, format=I420 ! x265enc tune=\"zerolatency\" speed-preset=2 option-string=\"crf=24\" ! video/x-h265, profile=(string)main ! h265parse ! ",
"video/x-raw, format=I420 ! x265enc tune=\"zerolatency\" speed-preset=5 option-string=\"crf=12\" ! video/x-h265, profile=(string)main ! h265parse ! ",
// Control vah265enc encoder quality :
// target-usage : The target usage to control and balance the encoding speed/quality
// The lower value has better quality but slower speed, the higher value has faster speed but lower quality.
// Unsigned Integer. Range: 1 - 7 Default: 4
// max-qp : Maximum quantizer value for each frame
// Unsigned Integer. Range: 0 - 51 Default: 51
// rate-control : The desired rate control mode for the encoder
// (2): cbr - Constant Bitrate
// (4): vbr - Variable Bitrate
// (16): cqp - Constant Quantizer
"video/x-raw, format=NV12 ! vah265enc rate-control=\"cqp\" target-usage=5 ! video/x-h265, profile=(string)main ! h265parse ! ",
"video/x-raw, format=NV12 ! vah265enc rate-control=\"cqp\" max-qp=18 target-usage=2 ! video/x-h265, profile=(string)main ! h265parse ! ",
// Apple ProRes encoding parameters
// pass
// cbr (0) – Constant Bitrate Encoding
@@ -249,8 +242,8 @@ std::vector<std::string> nvidia_profile_description {
"video/x-raw, format=RGBA ! nvh264enc rc-mode=1 zerolatency=true ! video/x-h264, profile=(string)main ! h264parse ! ",
"video/x-raw, format=RGBA ! nvh264enc rc-mode=1 qp-const=18 ! video/x-h264, profile=(string)high-4:4:4 ! h264parse ! ",
// Control nvh265enc encoder
"video/x-raw, format=RGBA ! nvh265enc rc-mode=1 zerolatency=true ! video/x-h265, profile=(string)main-10 ! h265parse ! ",
"video/x-raw, format=RGBA ! nvh265enc rc-mode=1 qp-const=18 ! video/x-h265, profile=(string)main-444 ! h265parse ! ",
"video/x-raw, format=RGBA ! nvh265enc rc-mode=1 zerolatency=true ! video/x-h265, profile=(string)main ! h265parse ! ",
"video/x-raw, format=RGBA ! nvh265enc rc-mode=1 qp-const=18 ! video/x-h265, profile=(string)main ! h265parse ! ",
"", "", "", ""
};