WhyCan Forum(哇酷开发者社区)

# mplayer -zoom -x 320 -y 240 ruguomeiyou.FLV -fs -ao alsa -framedrop
MPlayer 1.5-7.2.1 (C) 2000-2022 MPlayer Team

Playing ruguomeiyou.FLV.
libavformat version 59.17.102 (internal)
libavformat file format detected.
[lavf] stream 0: video (h264), -vid 0
[lavf] stream 1: audio (aac), -aid 0
VIDEO:  [H264]  1280x720  0bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 59.21.100 (internal)
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
==========================================================================
Load subtitles in ./
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 44100 Hz, 2 ch, floatle, 0.0 kbit/0.00% (ratio: 0->352800)
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
[AO_ALSA] alsa-lib: pcm_hw.c:1895:(_snd_pcm_hw_open) Unknown field slave
[AO_ALSA] Playback open error: Invalid argument
Failed to initialize audio driver 'alsa'
Could not open/initialize audio device -> no sound.
Audio: no sound
Starting playback...
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
[swscaler @ 0xf2d958]bicubic scaler, from yuv420p to bgra using C
VO: [fbdev] 320x240 => 320x240 BGRA  [fs] [zoom]
V:  45.5   0/  0 178% 150%  0.0% 0 0

MPlayer interrupted by signal 2 in module: flip_page
V:  45.5   0/  0 178% 150%  0.0% 0 0

Exiting... (Quit)
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# mplayer help
MPlayer 1.5-7.2.1 (C) 2000-2022 MPlayer Team

Playing help.
File not found: 'help'
Failed to open help.