Removed commit history

Signed-off-by: Marko Korhonen <marko.korhonen@reekynet.com>

home/.config/mpv/scripts/slicing.lua

@@ -0,0 +1,145 @@
+local msg = require "mp.msg"
+local utils = require "mp.utils"
+local options = require "mp.options"
+
+local cut_pos = nil
+local copy_audio = true
+local o = {
+    target_dir = "~",
+    vcodec = "rawvideo",
+    acodec = "pcm_s16le",
+    prevf = "",
+    vf = "format=yuv444p16$hqvf,scale=in_color_matrix=$matrix,format=bgr24",
+    hqvf = "",
+    postvf = "",
+    opts = "",
+    ext = "avi",
+    command_template = [[
+        ffmpeg -v warning -y -stats
+        -ss $shift -i "$in" -t $duration
+        -c:v $vcodec -c:a $acodec $audio
+        -vf $prevf$vf$postvf $opts "$out.$ext"
+    ]],
+}
+options.read_options(o)
+
+function timestamp(duration)
+    local hours = duration / 3600
+    local minutes = duration % 3600 / 60
+    local seconds = duration % 60
+    return string.format("%02d:%02d:%02.03f", hours, minutes, seconds)
+end
+
+function osd(str)
+    return mp.osd_message(str, 3)
+end
+
+function get_homedir()
+  -- It would be better to do platform detection instead of fallback but
+  -- it's not that easy in Lua.
+  return os.getenv("HOME") or os.getenv("USERPROFILE") or ""
+end
+
+function log(str)
+    local logpath = utils.join_path(
+        o.target_dir:gsub("~", get_homedir()),
+        "mpv_slicing.log")
+    f = io.open(logpath, "a")
+    f:write(string.format("# %s\n%s\n",
+        os.date("%Y-%m-%d %H:%M:%S"),
+        str))
+    f:close()
+end
+
+function escape(str)
+    -- FIXME(Kagami): This escaping is NOT enough, see e.g.
+    -- https://stackoverflow.com/a/31413730
+    -- Consider using `utils.subprocess` instead.
+    return str:gsub("\\", "\\\\"):gsub('"', '\\"')
+end
+
+function trim(str)
+    return str:gsub("^%s+", ""):gsub("%s+$", "")
+end
+
+function get_csp()
+    local csp = mp.get_property("colormatrix")
+    if csp == "bt.601" then return "bt601"
+        elseif csp == "bt.709" then return "bt709"
+        elseif csp == "smpte-240m" then return "smpte240m"
+        else
+            local err = "Unknown colorspace: " .. csp
+            osd(err)
+            error(err)
+    end
+end
+
+function get_outname(shift, endpos)
+    local name = mp.get_property("filename")
+    local dotidx = name:reverse():find(".", 1, true)
+    if dotidx then name = name:sub(1, -dotidx-1) end
+    name = name:gsub(" ", "_")
+    name = name:gsub(":", "-")
+    name = name .. string.format(".%s-%s", timestamp(shift), timestamp(endpos))
+    return name
+end
+
+function cut(shift, endpos)
+    local cmd = trim(o.command_template:gsub("%s+", " "))
+    local inpath = escape(utils.join_path(
+        utils.getcwd(),
+        mp.get_property("stream-path")))
+    local outpath = escape(utils.join_path(
+        o.target_dir:gsub("~", get_homedir()),
+        get_outname(shift, endpos)))
+
+    cmd = cmd:gsub("$shift", shift)
+    cmd = cmd:gsub("$duration", endpos - shift)
+    cmd = cmd:gsub("$vcodec", o.vcodec)
+    cmd = cmd:gsub("$acodec", o.acodec)
+    cmd = cmd:gsub("$audio", copy_audio and "" or "-an")
+    cmd = cmd:gsub("$prevf", o.prevf)
+    cmd = cmd:gsub("$vf", o.vf)
+    cmd = cmd:gsub("$hqvf", o.hqvf)
+    cmd = cmd:gsub("$postvf", o.postvf)
+    cmd = cmd:gsub("$matrix", get_csp())
+    cmd = cmd:gsub("$opts", o.opts)
+    -- Beware that input/out filename may contain replacing patterns.
+    cmd = cmd:gsub("$ext", o.ext)
+    cmd = cmd:gsub("$out", outpath)
+    cmd = cmd:gsub("$in", inpath, 1)
+
+    msg.info(cmd)
+    log(cmd)
+    os.execute(cmd)
+end
+
+function toggle_mark()
+    local pos = mp.get_property_number("time-pos")
+    if cut_pos then
+        local shift, endpos = cut_pos, pos
+        if shift > endpos then
+            shift, endpos = endpos, shift
+        end
+        if shift == endpos then
+            osd("Cut fragment is empty")
+        else
+            cut_pos = nil
+            osd(string.format("Cut fragment: %s - %s",
+                timestamp(shift),
+                timestamp(endpos)))
+            cut(shift, endpos)
+        end
+    else
+        cut_pos = pos
+        osd(string.format("Marked %s as start position", timestamp(pos)))
+    end
+end
+
+function toggle_audio()
+    copy_audio = not copy_audio
+    osd("Audio capturing is " .. (copy_audio and "enabled" or "disabled"))
+end
+
+mp.add_key_binding("c", "slicing_mark", toggle_mark)
+mp.add_key_binding("a", "slicing_audio", toggle_audio)