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30 lines
723 B
Go
30 lines
723 B
Go
package v4l
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import (
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"os/exec"
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"github.com/photoprism/photoprism/internal/ffmpeg/encode"
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)
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// TranscodeToAvcCmd returns the FFmpeg command for hardware-accelerated transcoding to MPEG-4 AVC.
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func TranscodeToAvcCmd(srcName, destName string, opt encode.Options) *exec.Cmd {
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// ffmpeg -hide_banner -h encoder=h264_v4l2m2m
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return exec.Command(
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opt.Bin,
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"-hide_banner", "-y",
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"-strict", "-2",
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"-i", srcName,
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"-c:v", opt.Encoder.String(),
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"-map", opt.MapVideo,
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"-map", opt.MapAudio,
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"-c:a", "aac",
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"-vf", opt.VideoFilter(encode.FormatYUV420P),
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"-num_output_buffers", "72",
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"-num_capture_buffers", "64",
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"-max_muxing_queue_size", "1024",
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"-f", "mp4",
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"-movflags", opt.MovFlags,
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destName,
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)
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}
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