more sensible defaults

py-packages/ffmpeg-parser/ffmpegparser/ffprobeparser.py

@@ -4,9 +4,9 @@ import subprocess
 import sys
 import os
 import time
-import parse
 import argparse
 import json
+import fractions
 from ansi.colour import fg, fx
 from datetime import datetime
 
@@ -106,7 +106,12 @@ Language: {tags-lang}""".format(
             float(stream["r_frame_rate"].split("/")[0])
             / float(stream["r_frame_rate"].split("/")[1])
         )
-        stream["display_aspect_ratio"] = stream.get("display_aspect_ratio", "NA")
+        stream["display_aspect_ratio"] = stream.get(
+            "display_aspect_ratio",
+            str(
+                fractions.Fraction(int(stream["width"]), int(stream["height"]))
+            ).replace("/", ":"),
+        )
         msg = """{Y}==== Stream:{index} ===={z}
        Type: {G}{codec_type}{z}
       Codec: {codec_long_name} ({codec_name})
@@ -122,12 +127,13 @@ Language: {tags-lang}""".format(
 
     def format_audio(self, stream):
         stream["hrate"] = self._speedfmt(stream.get("bit_rate", 0))
+        stream["channel_layout"] = stream.get("channel_layout", "")
         msg = """{Y}==== Stream:{index} ===={z}
        Type: {G}{codec_type}{z}
       Codec: {codec_long_name} ({codec_name})
     Bitrate: {hrate}
 Sample Rate: {sample_rate} Hz
-   Channels: {channels} ({channel_layout})""".format(
+   Channels: {channels} {channel_layout}""".format(
             **stream
         )