Yes, we encode it on the fly: Abit I-N73HD motherboard with overclocked Intel Pentium E2160 processor. Working like a charm, about 50-60% loading of the each of processors. Here is my encoding line: (Middle quality) cat $OUT.avi & /usr/bin/mencoder "$IN" -vf scale=512:384 -ovc x264 -x264encopts bitrate=300:threads=auto -oac lavc -lavcopts acodec=aac:abitrate=20 -o $OUT.avi &>$OUT.log

High quality: cat $OUT.avi & /usr/bin/mencoder "$IN" -vf scale=512:384 -ovc x264 -x264encopts bitrate=256:subq=5:8x8dct:frameref=2:bframes=3:b_pyramid:weight_b:threads=auto -oac lavc -lavcopts acodec=aac:abitrate=20 -o $OUT.avi &>$OUT.log

Yarema

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We (me and my friend from the States) have the following problem. My friend wants to watch tv programs from Europe, which I stream to him. Because my upload is not too big (about 0.5 megabits) we used externremux script together with stream-device plugin for vdr to encode stream with h264 codec and after that stream it into internet.

do you encode mpeg2 satellite channels to h.264 on the fly ? It seems to me it's very hard job for CPU or do you stream in Internet h.264 dvb-s2 channels ?

Igor

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BTW - does the picture's quality change after high quality h264 decoding ?

Sure it changes! The only one problem is the low upload speed.

Which bitrate and resolution have the mpeg2 channels ?

Here is extract from log file:

VIDEO: MPEG2 704x576 (aspect 2) 25.000 fps 3900.0 kbps (487.5 kbyte/s) [V] filefmt:29 fourcc:0x10000002 size:704x576 fps:25.00 ftime:=0.0400 ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 AUDIO: 48000 Hz, 2 ch, s16le, 160.0 kbit/10.42% (ratio: 20000->192000) Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3) ========================================================================== Opening video filter: [expand osd=1] Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 Opening video filter: [scale w=512 h=384] ========================================================================== Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough VDec: vo config request - 704 x 576 (preferred colorspace: Mpeg PES) The selected video_out device is incompatible with this codec. Try adding the scale filter, e.g. -vf spp,scale instead of -vf spp. VDecoder init failed :( Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2)) ========================================================================== VDec: vo config request - 704 x 576 (preferred colorspace: Planar YV12) VDec: using Planar YV12 as output csp (no 0) Movie-Aspect is 1.33:1 - prescaling to correct movie aspect. SwScaler: reducing / aligning filtersize 7 -> 8 SwScaler: reducing / aligning filtersize 7 -> 8 SwScaler: reducing / aligning filtersize 7 -> 6 SwScaler: reducing / aligning filtersize 7 -> 6

SwScaler: BICUBIC scaler, from yuv420p to yuv420p using MMX2 SwScaler: using 8-tap MMX scaler for horizontal luminance scaling SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling SwScaler: using n-tap MMX scaler for vertical scaling (YV12 like) SwScaler: 704x576 -> 512x384 x264 [info]: using SAR=1/1 x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 Pos: 0.0s 2f ( 0%) 0.00fps Trem: 0min 0mb A-V:-0.004 [0:0]

Yarema