Sorry, I would have posted sooner, but I did not get notified of a new response to this thread...that sometimes happens...hmmm.


Quote Originally Posted by FakeOutdoorsman View Post
Your original post is confusing me. Are you saying your cat dump from the Hauppauge produces a file with H.264 video and AAC audio?
Correct. By default, the device outputs H.264 and AAC.

Quote Originally Posted by FakeOutdoorsman View Post
Can you show the FFmpeg output of one of these files that MythTV produces that contain the AC3 audio?
Code:
ffmpeg -i input_from_mythtv.foo

$ ffmpeg -i /mythtv/recordings/1171_20110616153000.mpg
ffmpeg version git-N-30720-g7aa5947, Copyright (c) 2000-2011 the FFmpeg developers
built on Jun 11 2011 01:37:14 with gcc 4.4.5
configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-x11grab --enable-libvpx
libavutil 51. 8. 0 / 51. 8. 0
libavcodec 53. 7. 0 / 53. 7. 0
libavformat 53. 3. 1 / 53. 3. 1
libavdevice 53. 1. 1 / 53. 1. 1
libavfilter 2. 15. 0 / 2. 15. 0
libswscale 0. 14. 1 / 0. 14. 1
libpostproc 51. 2. 0 / 51. 2. 0
[mpegts @ 0xa70d360] max_analyze_duration 5000000 reached at 5024000
Input #0, mpegts, from '/mythtv/recordings/1171_20110616153000.mpg':
Duration: 00:30:56.13, start: 59665.128544, bitrate: 6828 kb/s
Program 1
Stream #0.0[0x31]: Video: mpeg2video (Main), yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 15980 kb/s, 59.96 fps, 59.94 tbr, 90k tbn, 119.88 tbc
Stream #0.1[0x34](eng): Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
Stream #0.2[0x35](spa): Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s