Hi, When I playback a recorded ".mpg" file using mplayer, I can able to see only the video. There is no audio. I recorded the video streams using the following "ffmpeg" command. ffmpeg -vd /dev/video0 /root/scv_60.mpg. I am working in the following environment. Red Hat Linux 8.0, kernel 2.4.18-14 with bttv based "PixelView Play Tv Pro" Tv Tuner card. Following are displayed when I tried to playback a recorded mpeg file. [root@Suriya root]# mplayer -v /root/scv_60.mpg MPlayer dev-CVS-030729-17:46-3.2 (C) 2000-2003 MPlayer Team CPU: Intel Celeron 2/Pentium III Tualatin (Family: 6, Stepping: 1) Detected cache-line size is 32 bytes CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0 Compiled for x86 CPU with extensions: MMX MMX2 SSE Reading config file /root/.mplayer/config Reading /root/.mplayer/codecs.conf: 60 audio & 150 video codecs CommandLine: '-v' '/root/scv_60.mpg' get_path('font/font.desc') -> '/root/.mplayer/font/font.desc' Can't load font bitmap: cp1250-a.raw Can't load font bitmap: cp1250-a.raw init_freetype Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay Using Linux hardware RTC timing (1024Hz). get_path('input.conf') -> '/root/.mplayer/input.conf' Parsing input config file /root/.mplayer/input.conf Input config file /root/.mplayer/input.conf parsed: 52 binds get_path('scv_60.mpg.conf') -> '/root/.mplayer/scv_60.mpg.conf' Playing /root/scv_60.mpg Not an URL! [file] File size is 2113536 bytes STREAM: [file] /root/scv_60.mpg STREAM: Description: File STREAM: Author: Albeu STREAM: Comment: based on the code from ??? (probably Arpi) Checking for YUV4MPEG2 DEMUXER: freeing demuxer at 0x852d9a0 ASF_check: not ASF guid! DEMUXER: freeing demuxer at 0x852d9a0 Checking for NuppelVideo DEMUXER: freeing demuxer at 0x852d9a0 Checking for REAL DEMUXER: freeing demuxer at 0x852d9a0 Checking for SMJPEG DEMUXER: freeing demuxer at 0x852d9a0 DEMUXER: freeing demuxer at 0x852e208 Searching demuxer type for filename /root/scv_60.mpg ext: .mpg Checking for MOV DEMUXER: freeing demuxer at 0x852e208 Checking for VIVO header block 1 size: 0 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing demuxer at 0x852e208 Checking for PVA DEMUXER: freeing demuxer at 0x852e208 Checking for TS... TRIED UP TO POSITION 70780, FOUND 0, packet_size= 71 DEMUXER: freeing demuxer at 0x852e208 system stream synced at 0xB (0)! ==> Found video stream: 0 MPEG-PS file format detected. ==> Found audio stream: 0 Searching for sequence header... OK! VIDEO: MPEG1 160x128 (aspect 1) 25.00 fps 200.0 kbps (25.0 kbyte/s) [V] filefmt:2 fourcc:0x10000001 size:160x128 fps:25.00 ftime:=0.0400 get_path('sub/') -> '/root/.mplayer/sub/' get_path('default.sub') -> '/root/.mplayer/default.sub' ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 dec_audio: Allocating 4608 + 65536 = 70144 bytes for output buffer mp3lib: made decode tables with MMX optimization mp3lib: using MMX optimized decore! MP3lib: init layer2&3 finished, tables done MPEG 1.0, Layer II, 44100 Hz 64 kbit Single-Channel, BPF: 208 Channels: 1, copyright: No, original: Yes, CRC: No, emphasis: 0 AUDIO: 44100 Hz, 2 ch, 16 bit (0x10), ratio: 8000->176400 (64.0 kbit) Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3) ========================================================================== X11 opening display: :0 vo: X11 color mask: FFFFFF (R:FF0000 G:FF00 B:FF) vo: X11 running at 800x600 with depth 24 and 32 bpp (":0" => local display) [x11] Detected wm supports NetWM. [x11] Detected wm supports STAYS_ON_TOP state. ========================================================================== Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough VDec: vo config request - 160 x 128 (preferred csp: Mpeg PES) Trying filter chain: vo Could not find matching colorspace - retrying with -vop scale... Opening video filter: [scale] SwScale params: -1 x -1 (-1=no scaling) Trying filter chain: scale vo The selected video_out device is incompatible with this codec. VDecoder init failed :( Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.3.1 Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG 1 or 2 (libmpeg2)) ========================================================================== Checking audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/16bit... [libaf] Adding filter dummy [dummy] Was reinitialized, rate=44100Hz, nch = 2, format = 0x00000001 and bps = 2 AF_pre: af format: 2 bps, 2 ch, 44100 hz, little endian signed int AF_pre: 44100Hz 2ch Signed 16-bit (Little-Endian) ao2: 44100 Hz 2 chans Signed 16-bit (Little-Endian) audio_setup: using '/dev/dsp' dsp device audio_setup: sample format: Signed 16-bit (Little-Endian) (requested: Signed 16-bit (Little-Endian)) audio_setup: using 2 channels (requested: 2) audio_setup: using 48000 Hz samplerate (requested: 44100) audio_setup: frags: 4/4 (16384 bytes/frag) free: 65536 AO: [oss] 48000Hz 2ch Signed 16-bit (Little-Endian) (2 bps) AO: Description: OSS/ioctl audio output AO: Author: A'rpi Building audio filter chain for 44100Hz/2ch/16bit -> 48000Hz/2ch/16bit... [dummy] Was reinitialized, rate=44100Hz, nch = 2, format = 0x00000001 and bps = 2 [libaf] Adding filter resample [resample] Changing sample rate to 48000Hz [resample] Using integer processing and inexact frequecy conversion. [resample] New filter designed up: 160 down: 147 [dummy] Was reinitialized, rate=44100Hz, nch = 2, format = 0x00000001 and bps = 2 [resample] Using integer processing and inexact frequecy conversion. Starting playback... [libaf] Reallocating memory in module resample, old len = 0, new len = 65536 VDec: vo config request - 160 x 128 (preferred csp: Planar YV12) Trying filter chain: vo VDec: using Planar YV12 as output csp (no 0) Movie-Aspect is undefined - no prescaling applied. VO Config (160x128->160x128,flags=0,'MPlayer',0x32315659) VO: [xv] 160x128 => 160x128 Planar YV12 VO: Description: X11/Xv VO: Author: Gerd Knorr and others Xvideo image format: 0x32595559 (YUY2) packed Xvideo image format: 0x32315659 (YV12) planar Xvideo image format: 0x30323449 (I420) planar Xvideo image format: 0x59565955 (UYVY) packed using Xvideo port 55 for hw scaling [xv] dx: 0 dy: 0 dw: 160 dh: 128 *** [vo] Allocating mp_image_t, 160x128x12bpp YUV planar, 30720 bytes [xv] dx: 0 dy: 0 dw: 160 dh: 128 *** [vo] Allocating mp_image_t, 160x128x12bpp YUV planar, 30720 bytes0% get_path('subfont.ttf') -> '/root/.mplayer/subfont.ttf' New_Face failed. Maybe the font path is wrong. Please supply the text font file (~/.mplayer/subfont.ttf). subtitle font: load_sub_face failed. Uninit audio filters...-0.011 ct: 0.066 478/478 1% 2% 1.7% 0 0 0% [libaf] Removing filter dummy [libaf] Removing filter resample uninit audio: mp3lib uninit video: libmpeg2 DEMUXER: freeing demuxer at 0x852e208 DEMUXER: freeing sh_audio at 0x852a848 DEMUXER: freeing sh_video at 0x852a478 vo: uninit ... Exiting... (Quit) How to add audio support ? With Regards, S.Suriya Mohan. ___________________________________________________ Meet your old school or college friends from 1 Million + database... Click here to reunite www.batchmates.com/rediff.asp