173 lines
3.6 KiB
Go
173 lines
3.6 KiB
Go
package ffmpeg
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import (
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"fmt"
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"os/exec"
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"github.com/photoprism/photoprism/pkg/fs"
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)
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// AvcConvertCommand returns the command for converting video files to MPEG-4 AVC.
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func AvcConvertCommand(fileName, avcName string, opt Options) (result *exec.Cmd, useMutex bool, err error) {
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if fileName == "" {
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return nil, false, fmt.Errorf("empty input filename")
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} else if avcName == "" {
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return nil, false, fmt.Errorf("empty output filename")
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}
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// Don't transcode more than one video at the same time.
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useMutex = true
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// Don't use hardware transcoding for animated images.
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if fs.TypeAnimated[fs.FileType(fileName)] != "" {
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result = exec.Command(
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opt.Bin,
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"-i", fileName,
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"-movflags", "faststart",
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"-pix_fmt", FormatYUV420P.String(),
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"-vf", "scale=trunc(iw/2)*2:trunc(ih/2)*2",
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"-f", "mp4",
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"-y",
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avcName,
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)
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return result, useMutex, nil
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}
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// Display encoder info.
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if opt.Encoder != SoftwareEncoder {
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log.Infof("convert: ffmpeg encoder %s selected", opt.Encoder.String())
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}
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switch opt.Encoder {
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case IntelEncoder:
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// ffmpeg -hide_banner -h encoder=h264_qsv
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result = exec.Command(
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opt.Bin,
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"-qsv_device", "/dev/dri/renderD128",
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"-i", fileName,
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"-c:a", "aac",
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"-vf", opt.VideoFilter(FormatRGB32),
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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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"-vsync", "vfr",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-bitrate", opt.Bitrate,
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"-f", "mp4",
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"-y",
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avcName,
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)
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case AppleEncoder:
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// ffmpeg -hide_banner -h encoder=h264_videotoolbox
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result = exec.Command(
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opt.Bin,
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"-i", fileName,
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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(FormatYUV420P),
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"-profile", "high",
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"-level", "51",
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"-vsync", "vfr",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-f", "mp4",
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"-y",
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avcName,
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)
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case VAAPIEncoder:
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result = exec.Command(
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opt.Bin,
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"-hwaccel", "vaapi",
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"-i", fileName,
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"-c:a", "aac",
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"-vf", opt.VideoFilter(FormatNV12),
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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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"-vsync", "vfr",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-f", "mp4",
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"-y",
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avcName,
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)
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case NvidiaEncoder:
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// ffmpeg -hide_banner -h encoder=h264_nvenc
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result = exec.Command(
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opt.Bin,
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"-hwaccel", "auto",
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"-i", fileName,
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"-pix_fmt", FormatYUV420P.String(),
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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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"-preset", "15",
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"-pixel_format", "yuv420p",
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"-gpu", "any",
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"-vf", opt.VideoFilter(FormatYUV420P),
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"-rc:v", "constqp",
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"-cq", "0",
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"-tune", "2",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-profile:v", "1",
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"-level:v", "auto",
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"-coder:v", "1",
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"-f", "mp4",
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"-y",
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avcName,
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)
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case Video4LinuxEncoder:
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// ffmpeg -hide_banner -h encoder=h264_v4l2m2m
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result = exec.Command(
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opt.Bin,
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"-i", fileName,
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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(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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"-crf", "23",
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"-vsync", "vfr",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-f", "mp4",
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"-y",
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avcName,
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)
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default:
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result = exec.Command(
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opt.Bin,
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"-i", fileName,
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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(FormatYUV420P),
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"-max_muxing_queue_size", "1024",
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"-crf", "23",
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"-vsync", "vfr",
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"-r", "30",
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"-b:v", opt.Bitrate,
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"-f", "mp4",
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"-y",
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avcName,
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)
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}
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return result, useMutex, nil
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}
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