[FFmpeg-user] h264+mpegts encode problem, frame size too big

[sheng gui]

command line

ffmpeg -i 00.ts -f mpegts -s 720x576 -acodec mp2 -ac 2 -ar 48000 -ab 128000
-vcodec libx264 -coder 1 -g 25 -bf 2 -partitions
+parti8x8+partp8x8+partb8x8 -me_method umh -subq 0 -me_range 16 -r 25.0
-threads 0 -flags +loop+ildct -top 0 -rc_strategy 2 -b_strategy 0
-directpred 1 -chromaoffset -1 -sc_threshold 0 -flags2
+fastpskip-dct8x8+wpred+aud -cmp chroma -deblockalpha -1 -deblockbeta -1
-qdiff 8 -qmax 69 -qmin 2 -qcomp 0.67 -i_qfactor 0.6 -b_qfactor 1.5 -refs 3
-minrate 2000000 -maxrate 2000000 -bufsize 2000000 -vsync 1 -async 1 -vb
2000000 -level 30 -rc_lookahead 250 -y 11.ts

output

Input #0, mpegts, from '00.ts':
  Duration: 00:18:26.55, start: 26213.841756, bitrate: 2372 kb/s
  Program 4
    Stream #0.0[0x120]: Video: h264 (Main), yuvj420p, 720x576 [PAR 16:15
DAR 4:3], 28.40 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0.1[0x131]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
[buffer @ 0x9f1fca0] w:720 h:576 pixfmt:yuvj420p
[scale @ 0x9f3ffc0] w:720 h:576 fmt:yuvj420p colorspace:BT709 -> w:720
h:576 fmt:yuvj420p colorspace:BT709 flags:0x4
[libx264 @ 0x9f1e3e0] using SAR=16/15
[libx264 @ 0x9f1e3e0] using cpu capabilities: MMX2 SSE2Fast SSSE3
FastShuffle SSE4.1 Cache64
[libx264 @ 0x9f1e3e0] profile Main, level 3.0
[mpegts @ 0x9f1d260] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt
every 40 pkts
Output #0, mpegts, to '11.ts':
    Stream #0.0: Video: libx264, yuvj420p, 720x576 [PAR 16:15 DAR 4:3],
q=2-69, 2000 kb/s, 90k tbn, 25 tbc
    Stream #0.1: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
frame=   91 fps= 33 q=13667017.8 Lsize=    1055kB time=1.73
bitrate=5001.1kbits/s date=Thu Dec  8 10:31:09 2011  dup=50 drop=0
video:929kB audio:27kB global headers:0kB muxing overhead 10.293651%
frame I:4     Avg QP: 6.91  size: 46879
[libx264 @ 0x9f1e3e0] frame P:29    Avg QP:11.05  size: 12865
[libx264 @ 0x9f1e3e0] frame B:58    Avg QP:14.22  size:  6744
[libx264 @ 0x9f1e3e0] consecutive B-frames:  4.4%  0.0% 95.6%
[libx264 @ 0x9f1e3e0] mb I  I16..4: 60.1%  0.0% 39.9%
[libx264 @ 0x9f1e3e0] mb P  I16..4: 12.4%  0.0%  0.0%  P16..4: 12.3%  8.1%
 6.5%  0.0%  0.0%    skip:60.6%
[libx264 @ 0x9f1e3e0] mb B  I16..4:  0.6%  0.0%  0.0%  B16..8: 12.0%  6.2%
 1.1%  direct: 5.7%  skip:74.4%  L0:44.4% L1:42.9% BI:12.8%
[libx264 @ 0x9f1e3e0] field mbs: intra: 100.0% inter:100.0% skip:100.0%
[libx264 @ 0x9f1e3e0] coded y,uvDC,uvAC intra: 52.1% 67.8% 45.8% inter:
9.3% 13.4% 2.0%
[libx264 @ 0x9f1e3e0] i16 v,h,dc,p: 53% 24% 16%  8%
[libx264 @ 0x9f1e3e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 36% 17%  5%  6%
 3%  9%  2% 10%
[libx264 @ 0x9f1e3e0] i8c dc,h,v,p: 49% 27% 16%  8%
[libx264 @ 0x9f1e3e0] ref P L0: 50.5% 33.8%  7.4%  5.2%  1.6%  1.5%
[libx264 @ 0x9f1e3e0] ref B L0: 60.1% 34.1%  3.3%  2.5%
[libx264 @ 0x9f1e3e0] ref B L1: 63.2% 36.8%
[libx264 @ 0x9f1e3e0] kb/s:2091.83


2011/12/8 Carl Eugen Hoyos <cehoyos at ag.or.at>

> sheng gui <guisheng315 <at> gmail.com> writes:
>
> > But there are some encode frame size bigger than 65535, which is the
> > decoder's max PES buffer size. and the decoder can not decode the frame.
> >
> > As some I frame's packet->size > 65536, and frame missed and video
> > freeze.
> >
> > Is there any parameters to make sure the frame size smaller than 65535?
>
> Command line and complete, uncut console output missing.
>
> Can you also reproduce the problem with an internal encoder (like mpeg4)?
>
> Carl Eugen
>
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