Delete ffmpeg_dnx.py

ffmpeg_dnx.py

@@ -1,186 +0,0 @@
-#!/usr/bin/env python3
-
-import sys
-import subprocess
-import json
-import csv
-import re
-import io
-import pprint
-
-# https://askubuntu.com/questions/907398/how-to-convert-a-video-with-ffmpeg-into-the-dnxhd-dnxhr-format
-# https://en.wikipedia.org/wiki/List_of_Avid_DNxHD_resolutions
-# Resolution,Frame Width, Frame Height,Chroma Subsampling,Bits,Frames Per Second,Megabits per second,Minutes per Gigabyte
-
-dnx_rates = """Avid DNxHD 440x,1920,1080,p,yuv422p10,60/1,440,0.325
-Avid DNxHD 440,1920,1080,p,yuv422p,60/1,440,0.325
-Avid DNxHD 290,1920,1080,p,yuv422p,60/1,291,0.492
-Avid DNxHD 90,1920,1080,p,yuv422p,60/1,90,1.585
-Avid DNxHD 440x,1920,1080,p,yuv422p10,60000/1001,440,0.325
-Avid DNxHD 440,1920,1080,p,yuv422p,60000/1001,440,0.325
-Avid DNxHD 290,1920,1080,p,yuv422p,60000/1001,291,0.493
-Avid DNxHD 90,1920,1080,p,yuv422p,60000/1001,90,1.585
-Avid DNxHD 365x,1920,1080,p,yuv422p10,50/1,367,0.39
-Avid DNxHD 365,1920,1080,p,yuv422p,50/1,367,0.39
-Avid DNxHD 240,1920,1080,p,yuv422p,50/1,242,0.59
-Avid DNxHD 75,1920,1080,p,yuv422p,50/1,75,1.9
-Avid DNxHD 220x,1920,1080,i,yuv422p10,30000/1001,220,0.651
-Avid DNxHD 220,1920,1080,i,yuv422p,30000/1001,220,0.651
-Avid DNxHD 145,1920,1080,i,yuv422p,30000/1001,145,0.985
-Avid DNxHD 100,1920,1080,i,yuv422p,30000/1001,100,1.429
-Avid DNxHD 440x,1920,1080,p,yuv444p10,30000/1001,440,0.325
-Avid DNxHD 220x,1920,1080,p,yuv422p10,30000/1001,220,0.651
-Avid DNxHD 220,1920,1080,p,yuv422p,30000/1001,220,0.651
-Avid DNxHD 145,1920,1080,p,yuv422p,30000/1001,145,0.985
-Avid DNxHD 100,1920,1080,p,yuv422p,30000/1001,100,1.429
-Avid DNxHD 45,1920,1080,p,yuv422p,30000/1001,45,3.18
-Avid DNxHD 185x,1920,1080,i,yuv422p10,25/1,184,0.78
-Avid DNxHD 185,1920,1080,i,yuv422p,25/1,184,0.78
-Avid DNxHD 120,1920,1080,i,yuv422p,25/1,121,1.713
-Avid DNxHD 85,1920,1080,i,yuv422p,25/1,84,1.181
-Avid DNxHD 365x,1920,1080,p,yuv444p10,25/1,367,0.39
-Avid DNxHD 185x,1920,1080,p,yuv422p10,25/1,184,0.78
-Avid DNxHD 185,1920,1080,p,yuv422p,25/1,184,0.78
-Avid DNxHD 120,1920,1080,p,yuv422p,25/1,121,1.181
-Avid DNxHD 85,1920,1080,p,yuv422p,25/1,84,1.713
-Avid DNxHD 36,1920,1080,p,yuv422p,25/1,36,3.98
-Avid DNxHD 350x,1920,1080,p,yuv444p10,24/1,352,0.406
-Avid DNxHD 175x,1920,1080,p,yuv422p10,24/1,176,0.814
-Avid DNxHD 175,1920,1080,p,yuv422p,24/1,176,0.814
-Avid DNxHD 115,1920,1080,p,yuv422p,24/1,116,1.231
-Avid DNxHD 80,1920,1080,p,yuv422p,24/1,80,1.785
-Avid DNxHD 36,1920,1080,p,yuv422p,24/1,36,3.98
-Avid DNxHD 350x,1920,1080,p,yuv444p10,24000/1001,352,0.407
-Avid DNxHD 175x,1920,1080,p,yuv422p10,24000/1001,176,0.814
-Avid DNxHD 175,1920,1080,p,yuv422p,24000/1001,176,0.814
-Avid DNxHD 115,1920,1080,p,yuv422p,24000/1001,116,1.231
-Avid DNxHD 80,1920,1080,p,yuv422p,24000/1001,80,1.787
-Avid DNxHD 36,1920,1080,p,yuv422p,24000/1001,36,3.98
-Avid DNxHD 220x,1280,720,p,yuv422p10,60000/1001,220,0.651
-Avid DNxHD 220,1280,720,p,yuv422p,60000/1001,220,0.651
-Avid DNxHD 145,1280,720,p,yuv422p,60000/1001,145,0.985
-Avid DNxHD 100,1280,720,p,yuv422p,60000/1001,100,1.402
-Avid DNxHD 175x,1280,720,p,yuv422p10,50/1,175,0.818
-Avid DNxHD 175,1280,720,p,yuv422p,50/1,175,0.818
-Avid DNxHD 115,1280,720,p,yuv422p,50/1,115,1.244
-Avid DNxHD 85,1280,720,p,yuv422p,50/1,85,1.68
-Avid DNxHD 110x,1280,720,p,yuv422p10,30000/1001,110,1.3
-Avid DNxHD 110,1280,720,p,yuv422p,30000/1001,110,1.3
-Avid DNxHD 75,1280,720,p,yuv422p,30000/1001,72,2.05
-Avid DNxHD 50,1280,720,p,yuv422p,30000/1001,51,2.8
-Avid DNxHD 90x,1280,720,p,yuv422p10,25/1,92,1.59
-Avid DNxHD 90,1280,720,p,yuv422p,25/1,92,1.59
-Avid DNxHD 60,1280,720,p,yuv422p,25/1,60,2.39
-Avid DNxHD 45,1280,720,p,yuv422p,25/1,43,3.361
-Avid DNxHD 90x,1280,720,p,yuv422p10,24000/1001,92,1.566
-Avid DNxHD 90,1280,720,p,yuv422p,24000/1001,92,1.566
-Avid DNxHD 60,1280,720,p,yuv422p,24000/1001,60,2.381
-Avid DNxHD 45,1280,720,p,yuv422p,24000/1001,43,3.504
-"""
-
-
-
-available_dnx_resolutions = []
-dnx_reader = csv.DictReader(io.StringIO(dnx_rates),
-                            ["name","width","height","interlaced",
-                               "pix_fmt","frame_rate","mb","mins_per_gig"])
-
-for res in dnx_reader:
-    available_dnx_resolutions += [res]
-
-available_dnx_resolutions = sorted(available_dnx_resolutions, 
-                                   key=lambda x: float(x["mins_per_gig"]), reverse=True)
-
-# ffmpeg -loglevel error -f lavfi -i testsrc2 -c:v dnxhd -f null -
-
-result = subprocess.run(["/usr/local/bin/ffmpeg",
-                         "-hide_banner",
-                         "-loglevel",
-                         "error",
-                         "-f",
-                         "lavfi",
-                         "-i",
-                         "testsrc2",
-                         "-c:v",
-                         "dnxhd",
-                         "-f",
-                         "null",
-                         "-"], capture_output=True)
-
-# result.check_returncode()
-
-ffmpeg_dnx_resolutions = []
-for line in result.stderr.splitlines():
-    line = line.decode("utf-8")
-    matches = re.match(".*Frame size: (\d+)x(\d+)([pi]).*", line)
-    if matches is not None:
-        width, height = matches[1], matches[2]
-        interlace = matches[3]
-
-        matches = re.match(".*format: (yuv\w+).*", line)
-        fmt = matches[1]
-
-        matches = re.match(".*bitrate: (\d+)Mbps.*", line)
-        mbps = matches[1]
-
-        ffmpeg_dnx_resolutions += [{
-            "width": width,
-            "height": height,
-            "pix_fmt": fmt,
-            "mb": mbps,
-            "interlaced": interlace
-        }]
-
-def filter_pred(res):
-    def inner_pred(ff_res):
-        # print(res, ff_res)
-        # input("Press return...")
-        result = ff_res["interlaced"] == res["interlaced"] and \
-                ff_res["width"] == res["width"] and \
-                ff_res["height"] == res["height"] and \
-                ff_res["pix_fmt"] == res["pix_fmt"] and \
-                ff_res["mb"] == res["mb"]
-
-        # print("Result", result)
-        return result
-    
-    found = filter(inner_pred,ffmpeg_dnx_resolutions)
-    return len(list(found)) > 0
-
-available_dnx_resolutions = list(filter(filter_pred, available_dnx_resolutions))
-
-# probe input file
-
-input_file = sys.argv[1]
-result = subprocess.run(["/usr/local/bin/ffprobe","-hide_banner","-of","json",
-                         "-show_streams","-select_streams","v",
-                         input_file], capture_output=True)
-
-result.check_returncode()
-
-probe_output = json.loads(result.stdout)
-
-pix_fmt = probe_output["streams"][0]["pix_fmt"]
-frame_size = (probe_output["streams"][0]["width"], probe_output["streams"][0]["height"])
-frame_rate = probe_output["streams"][0]["r_frame_rate"]
-field_order_progressive = "p" if probe_output["streams"][0]["field_order"] == "progressive" else "i"
-
-def filter_for_frame_rate(res):
-    return  res["frame_rate"] == frame_rate and res["interlaced"] == field_order_progressive
-
-def filter_for_scale(res):
-    return res["width"] == frame_size[0] and res["height"] == frame_size[1] and \
-            res["interlaced"] == field_order_progressive
-
-# print("Available DNx resolutions:")
-for n in filter(lambda r: filter_for_frame_rate(r) and filter_for_scale(r), available_dnx_resolutions):
-    print(f"-vcodec dnxhd -b:v {n['mb']}M -pix_fmt {n['pix_fmt']}")
-
-# print("Available with scaling:")
-for n in filter(filter_for_frame_rate, available_dnx_resolutions):
-    # https://superuser.com/questions/991371/ffmpeg-scale-and-pad
-    print(f"""-vf "scale=w={n['width']}:h={n['height']}:force_original_aspect_ratio=1,"""
-          f"""pad={n['width']}:{n['height']}:(ow-iw)/2:(oh-ih)/2" -vcodec dnxhd -b:v {n['mb']}M -pix_fmt {n['pix_fmt']}""")
-
-
-