[FFmpeg-user] ffplay with "-map" possible?

[Roger Pack]

Hello.

I have an MPEG incoming stream:

Input #0, mpegts, from 'dshowbda:video=Hauppauge WinTV 885 BDA Tuner/Demod':
  Duration: N/A, start: 8801.945367, bitrate: N/A
  Program 1
    Stream #0:0[0x41]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions,
max. 24000 kb/s, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:1[0x44](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
5.1(side), fltp, 384 kb/s
    Stream #0:2[0x46](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
    Stream #0:3[0x48](fre): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
  Program 2
    Stream #0:5[0x51]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions,
max. 24000 kb/s, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:8[0x54](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
5.1(side), fltp, 384 kb/s
    Stream #0:9[0x56](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
    Stream #0:10[0x59](fre): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
  Program 3
    Stream #0:6[0x72]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 704x480 [SAR 10:11 DAR 4:3], Closed Captions,
max. 15000 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Stream #0:4[0x76](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s
    Stream #0:7[0x77](por): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, fltp, 192 kb/s


Is there a way to specify which stream to watch initially? -map perhaps?

update: appears that hitting the "v" and "a" keys go to the various
channels, thank you.
-roger-