Increase stream quality conservatively

Author: bonnieking

src/ac_training_lab/picam/device.py

@@ -151,11 +151,11 @@ def start_stream(ffmpeg_url, stream_key):
         "--mode",
         "1280:720",
         "--width",
-        "640",
+        "960",
         "--height",
-        "360",
+        "540",
         "--framerate",
-        "10",
+        "12",
         "--codec",
         "yuv420",
     ]
@@ -188,9 +188,9 @@ def start_stream(ffmpeg_url, stream_key):
         "-pix_fmt",
         "yuv420p",
         "-s",
-        "640x360",
+        "960x540",
         "-r",
-        "10",
+        "12",
         "-i",
         "pipe:0",
         "-c:v",
@@ -208,11 +208,11 @@ def start_stream(ffmpeg_url, stream_key):
         "-sc_threshold",
         "0",
         "-b:v",
-        "500k",
+        "800k",
         "-maxrate",
-        "500k",
+        "800k",
         "-bufsize",
-        "1000k",
+        "1600k",
         "-c:a",
         "aac",
         "-b:a",