314 lines
8.8 KiB
Python
314 lines
8.8 KiB
Python
import argparse
|
|
import json
|
|
import subprocess
|
|
import sys
|
|
from pathlib import Path
|
|
from pymediainfo import MediaInfo
|
|
from typing import Optional, Tuple
|
|
|
|
__version__ = "0.1.3"
|
|
|
|
|
|
def exit_print(message: Optional[str] = "", exit_code: Optional[int] = 0) -> None:
|
|
print(message)
|
|
sys.exit(exit_code)
|
|
|
|
|
|
def parse_arguments() -> Tuple[Path, Path, Path, bool, bool, Path]:
|
|
parser = argparse.ArgumentParser(prog="DV Check")
|
|
parser.add_argument("-f", "--ffmpeg", type=str, help="Path to FFMPEG executable.")
|
|
parser.add_argument(
|
|
"-d", "--dovi-tool", type=str, help="Path to dovi_tool executable."
|
|
)
|
|
parser.add_argument(
|
|
"-p",
|
|
"--prompt",
|
|
action="store_true",
|
|
help="Prompt user with an exit code of 1 if FEL with a message.",
|
|
)
|
|
parser.add_argument(
|
|
"-c",
|
|
"--create-fel-mkv",
|
|
action="store_true",
|
|
help="Create FEL output mkv if FEL layer exists (input name_el.ext).",
|
|
)
|
|
parser.add_argument(
|
|
"-w", "--working-dir", type=str, help="Directory to store working files in."
|
|
)
|
|
parser.add_argument(
|
|
"-v", "--version", action="version", version=f"%(prog)s {__version__}"
|
|
)
|
|
parser.add_argument("input", type=str, help="Path to input file.")
|
|
|
|
args = parser.parse_args()
|
|
|
|
if args.create_fel_mkv and args.prompt:
|
|
exit_print("You can only supply one of '-c' or '-p'.", 1)
|
|
|
|
if not args.input:
|
|
exit_print("Program requires an input file", 1)
|
|
|
|
if not args.ffmpeg:
|
|
exit_print("Program requires FFEMPG", 1)
|
|
|
|
if not args.dovi_tool:
|
|
exit_print("Program requires dovi_tool", 1)
|
|
|
|
working_dir = (
|
|
Path(args.working_dir) if args.working_dir else Path(args.input).parent
|
|
)
|
|
|
|
return (
|
|
Path(args.input),
|
|
Path(args.ffmpeg),
|
|
Path(args.dovi_tool),
|
|
args.prompt,
|
|
args.create_fel_mkv,
|
|
working_dir,
|
|
)
|
|
|
|
|
|
def data_path(file_input: Path, working_dir: Path) -> Path:
|
|
json_output = working_dir / "dv_check" / f"{file_input.stem}_el_data.json"
|
|
json_output.parent.mkdir(exist_ok=True, parents=True)
|
|
return json_output
|
|
|
|
|
|
def load_existing_data(file_input: Path, working_dir: Path) -> Optional[dict]:
|
|
json_path = data_path(file_input, working_dir)
|
|
if not json_path.exists():
|
|
return None
|
|
|
|
try:
|
|
with open(json_path, "r") as json_file:
|
|
data = json.load(json_file)
|
|
if (
|
|
data
|
|
and file_input.name == data.get("filename")
|
|
and data.get("rpu_status")
|
|
):
|
|
return data
|
|
except json.JSONDecodeError:
|
|
json_path.unlink()
|
|
return None
|
|
|
|
|
|
def detect_el_layer(file_input: Path) -> bool:
|
|
if not file_input.exists() or not file_input.is_file():
|
|
exit_print("Input file not found", 1)
|
|
|
|
if file_input.suffix not in {".mp4", ".mkv"}:
|
|
exit_print("Only MP4/MKV inputs are supported", 1)
|
|
|
|
media_info = MediaInfo.parse(file_input)
|
|
try:
|
|
video_track = media_info.video_tracks[0]
|
|
if "Dolby Vision" in video_track.hdr_format:
|
|
if "EL" in video_track.hdr_format_settings:
|
|
return True
|
|
exit_print("EL layer not detected", 0)
|
|
exit_print("No Dolby Vision metadata detected", 0)
|
|
except IndexError:
|
|
exit_print("Input has no video track", 1)
|
|
return False
|
|
|
|
|
|
def read_rpu(
|
|
file_input: Path, ffmpeg_path: Path, dovi_tool_path: Path, working_dir: Path
|
|
) -> Optional[str]:
|
|
output_bin = file_input.with_suffix(".bin")
|
|
ffmpeg_command = [
|
|
str(ffmpeg_path),
|
|
"-ss",
|
|
"00:00:10",
|
|
"-i",
|
|
str(file_input),
|
|
"-t",
|
|
"00:00:01",
|
|
"-map",
|
|
"0:v:0",
|
|
"-c:v:0",
|
|
"copy",
|
|
"-bsf:v",
|
|
"hevc_mp4toannexb",
|
|
"-f",
|
|
"hevc",
|
|
"-",
|
|
"-hide_banner",
|
|
"-v",
|
|
"panic",
|
|
]
|
|
dovi_tool_command = [str(dovi_tool_path), "extract-rpu", "-", "-o", str(output_bin)]
|
|
|
|
with subprocess.Popen(
|
|
ffmpeg_command, stdout=subprocess.PIPE, cwd=file_input.parent
|
|
) as ffmpeg_proc:
|
|
with subprocess.Popen(
|
|
dovi_tool_command, stdin=ffmpeg_proc.stdout, cwd=file_input.parent
|
|
) as dovi_proc:
|
|
ffmpeg_proc.stdout.close()
|
|
dovi_proc.communicate()
|
|
|
|
json_out = data_path(file_input, working_dir)
|
|
|
|
if output_bin.exists():
|
|
rpu_data_cmd = [str(dovi_tool_path), "info", "-f", "0", "-i", str(output_bin)]
|
|
rpu_data_job = subprocess.run(rpu_data_cmd, check=True, capture_output=True)
|
|
rpu_stdout_data = json.loads(
|
|
rpu_data_job.stdout.decode().split("Parsing RPU file...")[1]
|
|
)
|
|
el_type = rpu_stdout_data.get("el_type")
|
|
|
|
json_data = {"filename": file_input.name, "rpu_status": True, "EL": el_type}
|
|
with open(json_out, "w") as json_file:
|
|
json.dump(json_data, json_file)
|
|
|
|
output_bin.unlink()
|
|
return el_type
|
|
|
|
json_data = {"filename": file_input.name, "rpu_status": False, "EL": None}
|
|
with open(json_out, "w") as json_file:
|
|
json.dump(json_data, json_file)
|
|
return None
|
|
|
|
|
|
def create_fel(
|
|
file_input: Path, working_dir: Path, ffmpeg_path: Path, dovi_tool_path: Path
|
|
) -> str:
|
|
data = load_existing_data(file_input, working_dir) or {}
|
|
|
|
el_path = data.get("EL_path")
|
|
if el_path:
|
|
return el_path
|
|
|
|
el_output_path = (
|
|
working_dir
|
|
/ "dv_check"
|
|
/ file_input.with_name(f"{file_input.stem}_el.hevc").name
|
|
)
|
|
el_mkv_output_path = el_output_path.with_suffix(".mkv")
|
|
|
|
ffmpeg_command = [
|
|
str(ffmpeg_path),
|
|
"-i",
|
|
str(file_input),
|
|
"-map",
|
|
"0:v:0",
|
|
"-c:v:0",
|
|
"copy",
|
|
"-bsf:v",
|
|
"hevc_mp4toannexb",
|
|
"-f",
|
|
"hevc",
|
|
"-",
|
|
"-hide_banner",
|
|
"-v",
|
|
"panic",
|
|
"-stats",
|
|
]
|
|
dovi_tool_command = [
|
|
str(dovi_tool_path),
|
|
"demux",
|
|
"--el-only",
|
|
"-",
|
|
"-e",
|
|
str(el_output_path),
|
|
]
|
|
|
|
with subprocess.Popen(
|
|
ffmpeg_command, stdout=subprocess.PIPE, cwd=file_input.parent
|
|
) as ffmpeg_proc:
|
|
with subprocess.Popen(
|
|
dovi_tool_command, stdin=ffmpeg_proc.stdout, cwd=file_input.parent
|
|
) as dovi_proc:
|
|
ffmpeg_proc.stdout.close()
|
|
dovi_proc.communicate()
|
|
|
|
ffmpeg_mux_command = [
|
|
str(ffmpeg_path),
|
|
"-y",
|
|
"-i",
|
|
str(el_output_path),
|
|
"-c",
|
|
"copy",
|
|
"-f",
|
|
"hevc",
|
|
str(el_mkv_output_path),
|
|
]
|
|
subprocess.run(ffmpeg_mux_command)
|
|
|
|
data["EL_path"] = str(el_mkv_output_path)
|
|
with open(data_path(file_input, working_dir), "w") as json_file:
|
|
json.dump(data, json_file)
|
|
|
|
return el_mkv_output_path
|
|
|
|
|
|
def handle_fel_detection(
|
|
el_type: str,
|
|
prompt: bool,
|
|
create_fel_mkv: bool,
|
|
file_input: Path,
|
|
working_dir: Path,
|
|
ffmpeg: Path,
|
|
dovi_tool: Path,
|
|
) -> None:
|
|
if el_type != "FEL" and create_fel_mkv:
|
|
exit_print(
|
|
"You have loaded a Dolby Vision source file that does NOT have a Full "
|
|
"Enhancement Layer (FEL). You must load a standard template to continue "
|
|
"processing this file.",
|
|
1,
|
|
)
|
|
if el_type == "FEL":
|
|
if prompt:
|
|
exit_print(
|
|
"You have loaded a Dolby Vision source file with a Full Enhancement "
|
|
"Layer (FEL). You must load a FEL-enabled template to continue "
|
|
"processing this file.",
|
|
1,
|
|
)
|
|
if create_fel_mkv:
|
|
created_fel = create_fel(file_input, working_dir, ffmpeg, dovi_tool)
|
|
exit_print(f"FEL layer: {created_fel}", 0)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
file_input, ffmpeg, dovi_tool, prompt, create_fel_mkv, working_dir = (
|
|
parse_arguments()
|
|
)
|
|
|
|
working_dir.mkdir(exist_ok=True, parents=True)
|
|
|
|
if detect_el_layer(file_input):
|
|
existing_data = load_existing_data(file_input, working_dir)
|
|
if existing_data:
|
|
el_type = existing_data.get("EL")
|
|
if el_type:
|
|
print(f"Data loaded, EL type: {el_type}")
|
|
handle_fel_detection(
|
|
el_type,
|
|
prompt,
|
|
create_fel_mkv,
|
|
file_input,
|
|
working_dir,
|
|
ffmpeg,
|
|
dovi_tool,
|
|
)
|
|
else:
|
|
rpu = read_rpu(file_input, ffmpeg, dovi_tool, working_dir)
|
|
if rpu:
|
|
handle_fel_detection(
|
|
rpu,
|
|
prompt,
|
|
create_fel_mkv,
|
|
file_input,
|
|
working_dir,
|
|
ffmpeg,
|
|
dovi_tool,
|
|
)
|
|
else:
|
|
exit_print("No RPU data extracted", 1)
|
|
else:
|
|
exit_print("No EL layer detected", 0)
|