Hi,This is my first post to ffmpeg, please advise if I misplaced this issue.I
have been using ffmpeg for many years and now have an issue with the latest
version:ffmpeg-20180731-481741e-win64-static
When transcoding a VOB, ntsc-dvd, I get "buffer underflow" errors. This is
especially true when using a delayed start time. I originally discovered the
problem on my own Linux build and reproduced it using pre built executables
from: //ffmpeg.zeranoe.com/builds/win64/static/
I managed to isolate the problem between two zeranoe
builds:ffmpeg-20180329-e5819fa-win64-static - seems to work correctly
ffmpeg-20180330-cdd6a52-win64-static - generates "buffer underflow"
The resulting output file from the problematic builds also generate errors when
processed by dvdauthor.
Below is the console output from the error'ed case case followed by the good
case between two versions produced with a day of each other. I will continue
to study the problem and post more information as I collect it and upon
request. Hopefully this can get resolved. Do I need to change some arguments,
is this a new bug or is what I am trying to do no longer supported??(Note: I
have not yet discovered where to put my sample files, I will continue
looking)Thanks a lot!
This is the latest version:c:\Developer>cd
ffmpeg-20180731-481741e-win64-static\bin
c:\Developer\ffmpeg-20180731-481741e-win64-static\bin>ffmpeg.exe -i
../../20180726_150335-phasebtop1.vob -ss 10 -target
ntsc-dvd -flags +cgop+ilme+ildct -alternate_scan 1 -top 1 -g 15 -sc_threshold
1000000000 -y bob.VOB -v debugffmpeg version N-91548-g481741ece0 Copyright (c)
2000-2018 the FFmpeg developers built with gcc 7.3.1 (GCC) 20180722
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-libmfx --enable-amf
--enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc
--enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 18.102 /
56. 18.102 libavcodec 58. 22.100 / 58. 22.100 libavformat 58. 17.101 /
58. 17.101 libavdevice 58. 4.101 / 58. 4.101 libavfilter 7. 26.100 /
7. 26.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 /
3. 2.100 libpostproc 55. 2.100 / 55. 2.100Splitting the
commandline.Reading option '-i' ... matched as input url with argument
'../../20180726_150335-phasebtop1.vob'.Reading option '-ss' ... matched as
option 'ss' (set the start time offset) with argument '10'.Reading option
'-target' ... matched as option 'target' (specify target file type ("vcd",
"svcd", "dvd", "dv" or "dv50"with optional prefixes "pal-", "ntsc-" or
"film-")) with argument 'ntsc-dvd'.Reading option '-flags' ... matched as
AVOption 'flags' with argument '+cgop+ilme+ildct'.Reading option
'-alternate_scan' ... matched as AVOption 'alternate_scan' with argument
'1'.Reading option '-top' ... matched as option 'top' (top=1/bottom=0/auto=-1
field first) with argument '1'.Reading option '-g' ... matched as AVOption 'g'
with argument '15'.Reading option '-sc_threshold' ... matched as AVOption
'sc_threshold' with argument '1000000000'.Reading option '-y' ... matched as
option 'y' (overwrite output files) with argument '1'.Reading option 'bob.VOB'
... matched as output url.Reading option '-v' ... matched as option 'v' (set
logging level) with argument 'debug'.Finished splitting the commandline.Parsing
a group of options: global .Applying option y (overwrite output files) with
argument 1.Applying option v (set logging level) with argument
debug.Successfully parsed a group of options.Parsing a group of options: input
url ../../20180726_150335-phasebtop1.vob.Successfully parsed a group of
options.Opening an input file: ../../20180726_150335-phasebtop1.vob.[NULL @
0000000000613ec0] Opening '../../20180726_150335-phasebtop1.vob' for
reading[file @ 00000000006145c0] Setting default whitelist 'file,crypto'[mpeg @
0000000000613ec0] Format mpeg probed with size=2048 and score=26[mpeg @
0000000000613ec0] Before avformat_find_stream_info() pos: 0 bytes read:32768
seeks:0 nb_streams:0[mpeg @ 0000000000613ec0] probing stream 1 pp:2500[mpeg @
0000000000613ec0] Probe with size=2011, packets=1 detected mpegvideo with
score=25[mpeg @ 0000000000613ec0] probed stream 1[mpeg2video @
0000000000614b80] Format yuv420p chosen by get_format().[mpeg @
0000000000613ec0] max_analyze_duration 5000000 reached at 5005000 microseconds
st:1[mpeg @ 0000000000613ec0] start time for stream 0 is not set in
estimate_timings_from_pts[mpeg @ 0000000000613ec0] After
avformat_find_stream_info() pos: 0 bytes read:3559568 seeks:2 frames:299Input
#0, mpeg, from '../../20180726_150335-phasebtop1.vob': Duration: 00:01:30.93,
start: 0.528033, bitrate: 5065 kb/s Stream #0:0[0x1bf], 0, 1/90000: Data:
dvd_nav_packet, 0/1 Stream #0:1[0x1e0], 152, 1/90000: Video: mpeg2video
(Main), 1 reference frame, yuv420p(tv, top first, left), 720x480 [SAR 8:9 DAR
4:3], 0/1, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0:2[0x80], 147,
1/90000: Audio: ac3, 48000 Hz, stereo, fltp, 448 kb/sSuccessfully opened the
file.Parsing a group of options: output url bob.VOB.Applying option ss (set the
start time offset) with argument 10.Applying option target (specify target file
type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-",
"ntsc-" or "film-")) with argument ntsc-dvd.Applying option top
(top=1/bottom=0/auto=-1 field first) with argument 1.Successfully parsed a
group of options.Opening an output file: bob.VOB.[file @ 00000000028c7740]
Setting default whitelist 'file,crypto'Successfully opened the file.detected 8
logical coresStream mapping: Stream #0:1 -> #0:0 (mpeg2video (native) ->
mpeg2video (native)) Stream #0:2 -> #0:1 (ac3 (native) -> ac3 (native))Press
[q] to stop, [?] for helpcur_dts is invalid (this is harmless if it occurs once
at the start per stream)[graph_1_in_0_2 @ 000000000061b540] Setting 'time_base'
to value '1/48000'[graph_1_in_0_2 @ 000000000061b540] Setting 'sample_rate' to
value '48000'[graph_1_in_0_2 @ 000000000061b540] Setting 'sample_fmt' to value
'fltp'[graph_1_in_0_2 @ 000000000061b540] Setting 'channel_layout' to value
'0x3'[graph_1_in_0_2 @ 000000000061b540] tb:1/48000 samplefmt:fltp
samplerate:48000 chlayout:0x3[format_out_0_1 @ 0000000002aac640] Setting
'sample_fmts' to value 'fltp'[format_out_0_1 @ 0000000002aac640] Setting
'sample_rates' to value '48000'[format_out_0_1 @ 0000000002aac640] Setting
'channel_layouts' to value
'0x4|0x3|0x103|0x7|0x603|0x33|0x107|0x607|0x37|0xc|0xb|0x10b|0xf|0x60b|0x3b|0x10f|0x60f|0x3f'[AVFilterGraph
@ 0000000002aa8e00] query_formats: 5 queried, 12 merged, 0 already done, 0
delayedcur_dts is invalid (this is harmless if it occurs once at the start per
stream)[mpeg2video @ 0000000002ae1e00] Format yuv420p chosen by
get_format().cur_dts is invalid (this is harmless if it occurs once at the
start per stream)[graph 0 input from stream 0:1 @ 0000000002ac9540] Setting
'video_size' to value '720x480'[graph 0 input from stream 0:1 @
0000000002ac9540] Setting 'pix_fmt' to value '0'[graph 0 input from stream 0:1
@ 0000000002ac9540] Setting 'time_base' to value '1/90000'[graph 0 input from
stream 0:1 @ 0000000002ac9540] Setting 'pixel_aspect' to value '8/9'[graph 0
input from stream 0:1 @ 0000000002ac9540] Setting 'sws_param' to value
'flags=2'[graph 0 input from stream 0:1 @ 0000000002ac9540] Setting
'frame_rate' to value '30000/1001'[graph 0 input from stream 0:1 @
0000000002ac9540] w:720 h:480 pixfmt:yuv420p tb:1/90000 fr:30000/1001 sar:8/9
sws_param:flags=2[scaler_out_0_0 @ 000000000284dc40] Setting 'w' to value
'720'[scaler_out_0_0 @ 000000000284dc40] Setting 'h' to value
'480'[scaler_out_0_0 @ 000000000284dc40] Setting 'flags' to value
'bicubic'[scaler_out_0_0 @ 000000000284dc40] w:720 h:480 flags:'bicubic'
interl:0[format @ 0000000002aa8600] Setting 'pix_fmts' to value
'yuv420p'[AVFilterGraph @ 0000000002aa8880] query_formats: 6 queried, 5 merged,
0 already done, 0 delayed[scaler_out_0_0 @ 000000000284dc40] w:720 h:480
fmt:yuv420p sar:8/9 -> w:720 h:480 fmt:yuv420p sar:8/9 flags:0x4[mpeg2video @
000000000297b940] intra_quant_bias = 96 inter_quant_bias = 0Output #0, dvd, to
'bob.VOB': Metadata: encoder : Lavf58.17.101 Stream #0:0, 0,
1/90000: Video: mpeg2video (Main), 1 reference frame, yuv420p(top first, left),
720x480 [SAR 8:9 DAR 4:3], 0/1, q=2-31, 6000 kb/s, 29.97 fps, 90k tbn, 29.97
tbc Metadata: encoder : Lavc58.22.100 mpeg2video Side data:
cpb: bitrate max/min/avg: 9000000/0/6000000 buffer size: 1835008 vbv_delay:
-1 Stream #0:1, 0, 1/90000: Audio: ac3, 48000 Hz, stereo, fltp, delay 256,
448 kb/s Metadata: encoder : Lavc58.22.100 ac3cur_dts is
invalid (this is harmless if it occurs once at the start per stream) Last
message repeated 295 timescur_dts is invalid (this is harmless if it occurs
once at the start per stream) 0x Last message repeated 299 timescur_dts is
invalid (this is harmless if it occurs once at the start per stream) 0x Last
message repeated 289 timescur_dts is invalid (this is harmless if it occurs
once at the start per stream) 0x Last message repeated 285 timescur_dts is
invalid (this is harmless if it occurs once at the start per stream) 0x Last
message repeated 54 times[dvd @ 000000000297a600] First SCR: 0 First DTS:
45000[dvd @ 000000000297a600] Non-monotonous DTS in output stream 0:1;
previous: 535200, current: 535200; changing to 535201. This may result in
incorrect timestamps in the output file.[dvd @ 000000000297a600] buffer
underflow st=1 bufi=1175 size=1792=6409.3kbits/s speed= 2.5x[dvd @
000000000297a600] Non-monotonous DTS in output stream 0:1; previous: 1263840,
current: 1263840; changing to 1263841. This may result in incorrect timestamps
in the output file.[dvd @ 000000000297a600] Non-monotonous DTS in output stream
0:1; previous: 1992480, current: 1992480; changing to 1992481. This may result
in incorrect timestamps in the output file.[dvd @ 000000000297a600] buffer
underflow st=1 bufi=1173 size=1792[dvd @ 000000000297a600] Non-monotonous DTS
in output stream 0:1; previous: 4152480, current: 4152480; changing to 4152481.
This may result in incorrect timestamps in the output file.[dvd @
000000000297a600] Non-monotonous DTS in output stream 0:1; previous: 4881120,
current: 4881120; changing to 4881121. This may result in incorrect timestamps
in the output file.[dvd @ 000000000297a600] buffer underflow st=1 bufi=1177
size=1792[dvd @ 000000000297a600] Non-monotonous DTS in output stream 0:1;
previous: 5609760, current: 5609760; changing to 5609761. This may result in
incorrect timestamps in the output file.[dvd @ 000000000297a600] buffer
underflow st=1 bufi=1176 size=1792[dvd @ 000000000297a600] Non-monotonous DTS
in output stream 0:1; previous: 6338400, current: 6338400; changing to 6338401.
This may result in incorrect timestamps in the output file.[dvd @
000000000297a600] Non-monotonous DTS in output stream 0:1; previous: 7067040,
current: 7067040; changing to 7067041. This may result in incorrect timestamps
in the output file.[dvd @ 000000000297a600] buffer underflow st=1 bufi=1174
size=1792[out_0_0 @ 000000000284db40] EOF on sink link out_0_0:default.[out_0_1
@ 0000000002aac540] EOF on sink link out_0_1:default.No more output streams to
write to, finishing.frame= 2425 fps=326 q=3.3 Lsize= 65038kB time=00:01:20.89
bitrate=6586.6kbits/s speed=10.9xvideo:59318kB audio:4424kB subtitle:0kB other
streams:0kB global headers:0kB muxing overhead: 2.032480%Input file #0
(../../20180726_150335-phasebtop1.vob): Input stream #0:0 (data): 0 packets
read (0 bytes); Input stream #0:1 (video): 2725 packets read (51214402 bytes);
2725 frames decoded; Input stream #0:2 (audio): 2840 packets read (5089280
bytes); 2840 frames decoded (4362240 samples); Total: 5565 packets (56303682
bytes) demuxedOutput file #0 (bob.VOB): Output stream #0:0 (video): 2425
frames encoded; 2425 packets muxed (60742090 bytes); Output stream #0:1
(audio): 2528 frames encoded (3882240 samples); 2528 packets muxed (4530176
bytes); Total: 4953 packets (65272266 bytes) muxed5565 frames successfully
decoded, 0 decoding errors[AVIOContext @ 00000000028a2440] Statistics: 0 seeks,
32357 writeouts[AVIOContext @ 000000000061c840] Statistics: 61134992 bytes
read, 2 seeksc:\Developer\ffmpeg-20180731-481741e-win64-static\bin>
------------------------------------------------------------------------
This is the first problematic
version:c:\Developer\ffmpeg-20180330-cdd6a52-win64-static\bin>ffmpeg.exe -i
../../20180726_150335-phasebtop1.vob -ss 10 -targetntsc-dvd -flags
+cgop+ilme+ildct -alternate_scan 1 -top 1 -g 15 -sc_threshold 1000000000 -y
bob.VOB -v debugffmpeg version N-90535-gcdd6a525e4 Copyright (c) 2000-2018 the
FFmpeg developers built with gcc 7.3.0 (GCC) configuration: --enable-gpl
--enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis
--enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid
--enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid
--enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 12.100 / 56. 12.100 libavcodec 58. 16.100 / 58. 16.100
libavformat 58. 10.100 / 58. 10.100 libavdevice 58. 2.100 / 58. 2.100
libavfilter 7. 13.100 / 7. 13.100 libswscale 5. 0.102 / 5. 0.102
libswresample 3. 0.101 / 3. 0.101 libpostproc 55. 0.100 / 55.
0.100Splitting the commandline.Reading option '-i' ... matched as input url
with argument '../../20180726_150335-phasebtop1.vob'.Reading option '-ss' ...
matched as option 'ss' (set the start time offset) with argument '10'.Reading
option '-target' ... matched as option 'target' (specify target file type
("vcd", "svcd", "dvd", "dv" or "dv50"with optional prefixes "pal-", "ntsc-" or
"film-")) with argument 'ntsc-dvd'.Reading option '-flags' ... matched as
AVOption 'flags' with argument '+cgop+ilme+ildct'.Reading option
'-alternate_scan' ... matched as AVOption 'alternate_scan' with argument
'1'.Reading option '-top' ... matched as option 'top' (top=1/bottom=0/auto=-1
field first) with argument '1'.Reading option '-g' ... matched as AVOption 'g'
with argument '15'.Reading option '-sc_threshold' ... matched as AVOption
'sc_threshold' with argument '1000000000'.Reading option '-y' ... matched as
option 'y' (overwrite output files) with argument '1'.Reading option 'bob.VOB'
... matched as output url.Reading option '-v' ... matched as option 'v' (set
logging level) with argument 'debug'.Finished splitting the commandline.Parsing
a group of options: global .Applying option y (overwrite output files) with
argument 1.Applying option v (set logging level) with argument
debug.Successfully parsed a group of options.Parsing a group of options: input
url ../../20180726_150335-phasebtop1.vob.Successfully parsed a group of
options.Opening an input file: ../../20180726_150335-phasebtop1.vob.[NULL @
0000000000393ec0] Opening '../../20180726_150335-phasebtop1.vob' for
reading[file @ 00000000003945c0] Setting default whitelist 'file,crypto'[mpeg @
0000000000393ec0] Format mpeg probed with size=2048 and score=26[mpeg @
0000000000393ec0] Before avformat_find_stream_info() pos: 0 bytes read:32768
seeks:0 nb_streams:0[mpeg @ 0000000000393ec0] probing stream 1 pp:2500[mpeg @
0000000000393ec0] Probe with size=2011, packets=1 detected mpegvideo with
score=25[mpeg @ 0000000000393ec0] probed stream 1[mpeg2video @
0000000000394b80] Format yuv420p chosen by get_format().[mpeg @
0000000000393ec0] max_analyze_duration 5000000 reached at 5005000 microseconds
st:1[mpeg @ 0000000000393ec0] start time for stream 0 is not set in
estimate_timings_from_pts[mpeg @ 0000000000393ec0] After
avformat_find_stream_info() pos: 0 bytes read:3559568 seeks:2 frames:299Input
#0, mpeg, from '../../20180726_150335-phasebtop1.vob': Duration: 00:01:30.93,
start: 0.528033, bitrate: 5065 kb/s Stream #0:0[0x1bf], 0, 1/90000: Data:
dvd_nav_packet, 0/1 Stream #0:1[0x1e0], 152, 1/90000: Video: mpeg2video
(Main), 1 reference frame, yuv420p(tv, top first, left), 720x480 [SAR 8:9 DAR
4:3], 0/1, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0:2[0x80], 147,
1/90000: Audio: ac3, 48000 Hz, stereo, fltp, 448 kb/sSuccessfully opened the
file.Parsing a group of options: output url bob.VOB.Applying option ss (set the
start time offset) with argument 10.Applying option target (specify target file
type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-",
"ntsc-" or "film-")) with argument ntsc-dvd.Applying option top
(top=1/bottom=0/auto=-1 field first) with argument 1.Successfully parsed a
group of options.Opening an output file: bob.VOB.[file @ 000000000039c080]
Setting default whitelist 'file,crypto'Successfully opened the file.detected 8
logical coresStream mapping: Stream #0:1 -> #0:0 (mpeg2video (native) ->
mpeg2video (native)) Stream #0:2 -> #0:1 (ac3 (native) -> ac3 (native))Press
[q] to stop, [?] for helpcur_dts is invalid (this is harmless if it occurs once
at the start per stream)[graph_1_in_0_2 @ 0000000002a1d340] Setting 'time_base'
to value '1/48000'[graph_1_in_0_2 @ 0000000002a1d340] Setting 'sample_rate' to
value '48000'[graph_1_in_0_2 @ 0000000002a1d340] Setting 'sample_fmt' to value
'fltp'[graph_1_in_0_2 @ 0000000002a1d340] Setting 'channel_layout' to value
'0x3'[graph_1_in_0_2 @ 0000000002a1d340] tb:1/48000 samplefmt:fltp
samplerate:48000 chlayout:0x3[format_out_0_1 @ 00000000003e0bc0] Setting
'sample_fmts' to value 'fltp'[format_out_0_1 @ 00000000003e0bc0] Setting
'sample_rates' to value '48000'[format_out_0_1 @ 00000000003e0bc0] Setting
'channel_layouts' to value
'0x4|0x3|0x103|0x7|0x603|0x33|0x107|0x607|0x37|0xc|0xb|0x10b|0xf|0x60b|0x3b|0x10f|0x60f|0x3f'[AVFilterGraph
@ 0000000002a1e040] query_formats: 5 queried, 12 merged, 0 already done, 0
delayedcur_dts is invalid (this is harmless if it occurs once at the start per
stream)[mpeg2video @ 00000000003fdd40] Format yuv420p chosen by
get_format().cur_dts is invalid (this is harmless if it occurs once at the
start per stream)[graph 0 input from stream 0:1 @ 00000000026eb640] Setting
'video_size' to value '720x480'[graph 0 input from stream 0:1 @
00000000026eb640] Setting 'pix_fmt' to value '0'[graph 0 input from stream 0:1
@ 00000000026eb640] Setting 'time_base' to value '1/90000'[graph 0 input from
stream 0:1 @ 00000000026eb640] Setting 'pixel_aspect' to value '8/9'[graph 0
input from stream 0:1 @ 00000000026eb640] Setting 'sws_param' to value
'flags=2'[graph 0 input from stream 0:1 @ 00000000026eb640] Setting
'frame_rate' to value '30000/1001'[graph 0 input from stream 0:1 @
00000000026eb640] w:720 h:480 pixfmt:yuv420p tb:1/90000 fr:30000/1001 sar:8/9
sws_param:flags=2[scaler_out_0_0 @ 000000000272cac0] Setting 'w' to value
'720'[scaler_out_0_0 @ 000000000272cac0] Setting 'h' to value
'480'[scaler_out_0_0 @ 000000000272cac0] Setting 'flags' to value
'bicubic'[scaler_out_0_0 @ 000000000272cac0] w:720 h:480 flags:'bicubic'
interl:0[format @ 00000000027e7880] Setting 'pix_fmts' to value
'yuv420p'[AVFilterGraph @ 0000000002a1e940] query_formats: 6 queried, 5 merged,
0 already done, 0 delayed[scaler_out_0_0 @ 000000000272cac0] w:720 h:480
fmt:yuv420p sar:8/9 -> w:720 h:480 fmt:yuv420p sar:8/9 flags:0x4[mpeg2video @
00000000003966c0] intra_quant_bias = 96 inter_quant_bias = 0Output #0, dvd, to
'bob.VOB': Metadata: encoder : Lavf58.10.100 Stream #0:0, 0,
1/90000: Video: mpeg2video (Main), 1 reference frame, yuv420p(left), 720x480
[SAR 8:9 DAR 4:3], 0/1, q=2-31, 6000 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
Metadata: encoder : Lavc58.16.100 mpeg2video Side data:
cpb: bitrate max/min/avg: 9000000/0/6000000 buffer size: 1835008 vbv_delay: -1
Stream #0:1, 0, 1/90000: Audio: ac3, 48000 Hz, stereo, fltp, delay 256, 448
kb/s Metadata: encoder : Lavc58.16.100 ac3cur_dts is invalid
(this is harmless if it occurs once at the start per stream) Last message
repeated 303 timescur_dts is invalid (this is harmless if it occurs once at the
start per stream) 0x Last message repeated 291 timescur_dts is invalid (this
is harmless if it occurs once at the start per stream) 0x Last message
repeated 309 timescur_dts is invalid (this is harmless if it occurs once at the
start per stream) 0x Last message repeated 69 times[ac3 @ 00000000003fe1c0]
Multiple frames in a packet.cur_dts is invalid (this is harmless if it occurs
once at the start per stream) Last message repeated 229 timescur_dts is
invalid (this is harmless if it occurs once at the start per stream) 0x Last
message repeated 18 times[dvd @ 00000000003fe600] First SCR: 0 First DTS:
45000[dvd @ 00000000003fe600] Non-monotonous DTS in output stream 0:1;
previous: 538080, current: 538080; changing to 538081. This may result in
incorrect timestamps in the output file.[dvd @ 00000000003fe600] buffer
underflow st=1 bufi=1398 size=1792[dvd @ 00000000003fe600] Non-monotonous DTS
in output stream 0:1; previous: 1266720, current: 1266720; changing to 1266721.
This may result in incorrect timestamps in the output file.[dvd @
00000000003fe600] Non-monotonous DTS in output stream 0:1; previous: 1995360,
current: 1995360; changing to 1995361. This may result in incorrect timestamps
in the output file.[dvd @ 00000000003fe600] buffer underflow st=1 bufi=1396
size=1792[dvd @ 00000000003fe600] Non-monotonous DTS in output stream 0:1;
previous: 4155360, current: 4155360; changing to 4155361. This may result in
incorrect timestamps in the output file.[dvd @ 00000000003fe600] Non-monotonous
DTS in output stream 0:1; previous: 4884000, current: 4884000; changing to
4884001. This may result in incorrect timestamps in the output file.[dvd @
00000000003fe600] buffer underflow st=1 bufi=1400 size=1792[dvd @
00000000003fe600] Non-monotonous DTS in output stream 0:1; previous: 5612640,
current: 5612640; changing to 5612641. This may result in incorrect timestamps
in the output file.[dvd @ 00000000003fe600] buffer underflow st=1 bufi=1399
size=1792=6560.2kbits/s speed=10.3x[dvd @ 00000000003fe600] Non-monotonous DTS
in output stream 0:1; previous: 6341280, current: 6341280; changing to 6341281.
This may result in incorrect timestamps in the output file.[dvd @
00000000003fe600] buffer underflow st=1 bufi=1398 size=1792[dvd @
00000000003fe600] Non-monotonous DTS in output stream 0:1; previous: 7069920,
current: 7069920; changing to 7069921. This may result in incorrect timestamps
in the output file.[dvd @ 00000000003fe600] buffer underflow st=1 bufi=1397
size=1792[out_0_0 @ 000000000272c900] EOF on sink link out_0_0:default.[out_0_1
@ 00000000003e0a00] EOF on sink link out_0_1:default.No more output streams to
write to, finishing.frame= 2425 fps=321 q=3.3 Lsize= 65038kB time=00:01:20.89
bitrate=6586.6kbits/s speed=10.7xvideo:59318kB audio:4424kB subtitle:0kB other
streams:0kB global headers:0kB muxing overhead: 2.032480%Input file #0
(../../20180726_150335-phasebtop1.vob): Input stream #0:0 (data): 0 packets
read (0 bytes); Input stream #0:1 (video): 2725 packets read (51214402 bytes);
2725 frames decoded; Input stream #0:2 (audio): 2831 packets read (5089280
bytes); 2840 frames decoded (4362240 samples); Total: 5556 packets (56303682
bytes) demuxedOutput file #0 (bob.VOB): Output stream #0:0 (video): 2425
frames encoded; 2425 packets muxed (60742090 bytes); Output stream #0:1
(audio): 2528 frames encoded (3882240 samples); 2528 packets muxed (4530176
bytes); Total: 4953 packets (65272266 bytes) muxed5565 frames successfully
decoded, 0 decoding errors[AVIOContext @ 000000000039c140] Statistics: 0 seeks,
32357 writeouts[AVIOContext @ 000000000039c840] Statistics: 61134992 bytes
read, 2 seeks
c:\Developer\ffmpeg-20180330-cdd6a52-win64-static\bin>
------------------------------------------------------------------------This is
the last seemingly OK version (build 1 day
older):c:\Developer\ffmpeg-20180329-e5819fa-win64-static\bin>
c:\Developer\ffmpeg-20180329-e5819fa-win64-static\bin>ffmpeg.exe -i
../../20180726_150335-phasebtop1.vob -ss 10 -targetntsc-dvd -flags
+cgop+ilme+ildct -alternate_scan 1 -top 1 -g 15 -sc_threshold 1000000000 -y
bob.VOB -v debugffmpeg version N-90480-ge5819fa629 Copyright (c) 2000-2018 the
FFmpeg developers built with gcc 7.3.0 (GCC) configuration: --enable-gpl
--enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis
--enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid
--enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil
56. 12.100 / 56. 12.100 libavcodec 58. 16.100 / 58. 16.100 libavformat
58. 10.100 / 58. 10.100 libavdevice 58. 2.100 / 58. 2.100 libavfilter
7. 13.100 / 7. 13.100 libswscale 5. 0.102 / 5. 0.102 libswresample
3. 0.101 / 3. 0.101 libpostproc 55. 0.100 / 55. 0.100Splitting the
commandline.Reading option '-i' ... matched as input url with argument
'../../20180726_150335-phasebtop1.vob'.Reading option '-ss' ... matched as
option 'ss' (set the start time offset) with argument '10'.Reading option
'-target' ... matched as option 'target' (specify target file type ("vcd",
"svcd", "dvd", "dv" or "dv50"with optional prefixes "pal-", "ntsc-" or
"film-")) with argument 'ntsc-dvd'.Reading option '-flags' ... matched as
AVOption 'flags' with argument '+cgop+ilme+ildct'.Reading option
'-alternate_scan' ... matched as AVOption 'alternate_scan' with argument
'1'.Reading option '-top' ... matched as option 'top' (top=1/bottom=0/auto=-1
field first) with argument '1'.Reading option '-g' ... matched as AVOption 'g'
with argument '15'.Reading option '-sc_threshold' ... matched as AVOption
'sc_threshold' with argument '1000000000'.Reading option '-y' ... matched as
option 'y' (overwrite output files) with argument '1'.Reading option 'bob.VOB'
... matched as output url.Reading option '-v' ... matched as option 'v' (set
logging level) with argument 'debug'.Finished splitting the commandline.Parsing
a group of options: global .Applying option y (overwrite output files) with
argument 1.Applying option v (set logging level) with argument
debug.Successfully parsed a group of options.Parsing a group of options: input
url ../../20180726_150335-phasebtop1.vob.Successfully parsed a group of
options.Opening an input file: ../../20180726_150335-phasebtop1.vob.[NULL @
00000000005a3ec0] Opening '../../20180726_150335-phasebtop1.vob' for
reading[file @ 00000000005a45c0] Setting default whitelist 'file,crypto'[mpeg @
00000000005a3ec0] Format mpeg probed with size=2048 and score=26[mpeg @
00000000005a3ec0] Before avformat_find_stream_info() pos: 0 bytes read:32768
seeks:0 nb_streams:0[mpeg @ 00000000005a3ec0] probing stream 1 pp:2500[mpeg @
00000000005a3ec0] Probe with size=2011, packets=1 detected mpegvideo with
score=25[mpeg @ 00000000005a3ec0] probed stream 1[mpeg2video @
00000000005a4b80] Format yuv420p chosen by get_format().[mpeg @
00000000005a3ec0] max_analyze_duration 5000000 reached at 5005000 microseconds
st:1[mpeg @ 00000000005a3ec0] start time for stream 0 is not set in
estimate_timings_from_pts[mpeg @ 00000000005a3ec0] After
avformat_find_stream_info() pos: 0 bytes read:3559568 seeks:2 frames:299Input
#0, mpeg, from '../../20180726_150335-phasebtop1.vob': Duration: 00:01:30.93,
start: 0.528033, bitrate: 5065 kb/s Stream #0:0[0x1bf], 0, 1/90000: Data:
dvd_nav_packet, 0/1 Stream #0:1[0x1e0], 152, 1/90000: Video: mpeg2video
(Main), 1 reference frame, yuv420p(tv, top first, left), 720x480 [SAR 8:9 DAR
4:3], 0/1, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0:2[0x80], 147,
1/90000: Audio: ac3, 48000 Hz, stereo, fltp, 448 kb/sSuccessfully opened the
file.Parsing a group of options: output url bob.VOB.Applying option ss (set the
start time offset) with argument 10.Applying option target (specify target file
type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-",
"ntsc-" or "film-")) with argument ntsc-dvd.Applying option top
(top=1/bottom=0/auto=-1 field first) with argument 1.Successfully parsed a
group of options.Opening an output file: bob.VOB.[file @ 00000000005abf40]
Setting default whitelist 'file,crypto'Successfully opened the file.detected 8
logical coresStream mapping: Stream #0:1 -> #0:0 (mpeg2video (native) ->
mpeg2video (native)) Stream #0:2 -> #0:1 (ac3 (native) -> ac3 (native))Press
[q] to stop, [?] for helpcur_dts is invalid (this is harmless if it occurs once
at the start per stream)[graph_1_in_0_2 @ 000000000272fe80] Setting 'time_base'
to value '1/48000'[graph_1_in_0_2 @ 000000000272fe80] Setting 'sample_rate' to
value '48000'[graph_1_in_0_2 @ 000000000272fe80] Setting 'sample_fmt' to value
'fltp'[graph_1_in_0_2 @ 000000000272fe80] Setting 'channel_layout' to value
'0x3'[graph_1_in_0_2 @ 000000000272fe80] tb:1/48000 samplefmt:fltp
samplerate:48000 chlayout:0x3[format_out_0_1 @ 0000000002834ec0] Setting
'sample_fmts' to value 'fltp'[format_out_0_1 @ 0000000002834ec0] Setting
'sample_rates' to value '48000'[format_out_0_1 @ 0000000002834ec0] Setting
'channel_layouts' to value
'0x4|0x3|0x103|0x7|0x603|0x33|0x107|0x607|0x37|0xc|0xb|0x10b|0xf|0x60b|0x3b|0x10f|0x60f|0x3f'[AVFilterGraph
@ 0000000002851140] query_formats: 5 queried, 12 merged, 0 already done, 0
delayedcur_dts is invalid (this is harmless if it occurs once at the start per
stream)[mpeg2video @ 00000000005a68c0] Format yuv420p chosen by
get_format().cur_dts is invalid (this is harmless if it occurs once at the
start per stream)[graph 0 input from stream 0:1 @ 000000000258d140] Setting
'video_size' to value '720x480'[graph 0 input from stream 0:1 @
000000000258d140] Setting 'pix_fmt' to value '0'[graph 0 input from stream 0:1
@ 000000000258d140] Setting 'time_base' to value '1/90000'[graph 0 input from
stream 0:1 @ 000000000258d140] Setting 'pixel_aspect' to value '8/9'[graph 0
input from stream 0:1 @ 000000000258d140] Setting 'sws_param' to value
'flags=2'[graph 0 input from stream 0:1 @ 000000000258d140] Setting
'frame_rate' to value '30000/1001'[graph 0 input from stream 0:1 @
000000000258d140] w:720 h:480 pixfmt:yuv420p tb:1/90000 fr:30000/1001 sar:8/9
sws_param:flags=2[scaler_out_0_0 @ 000000000272cdc0] Setting 'w' to value
'720'[scaler_out_0_0 @ 000000000272cdc0] Setting 'h' to value
'480'[scaler_out_0_0 @ 000000000272cdc0] Setting 'flags' to value
'bicubic'[scaler_out_0_0 @ 000000000272cdc0] w:720 h:480 flags:'bicubic'
interl:0[format @ 00000000025e0240] Setting 'pix_fmts' to value
'yuv420p'[AVFilterGraph @ 0000000002851a40] query_formats: 6 queried, 5 merged,
0 already done, 0 delayed[scaler_out_0_0 @ 000000000272cdc0] w:720 h:480
fmt:yuv420p sar:8/9 -> w:720 h:480 fmt:yuv420p sar:8/9 flags:0x4[mpeg2video @
000000000060fb00] intra_quant_bias = 96 inter_quant_bias = 0Output #0, dvd, to
'bob.VOB': Metadata: encoder : Lavf58.10.100 Stream #0:0, 0,
1/90000: Video: mpeg2video (Main), 1 reference frame, yuv420p(left), 720x480
[SAR 8:9 DAR 4:3], 0/1, q=2-31, 6000 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
Metadata: encoder : Lavc58.16.100 mpeg2video Side data:
cpb: bitrate max/min/avg: 9000000/0/6000000 buffer size: 1835008 vbv_delay: -1
Stream #0:1, 0, 1/90000: Audio: ac3, 48000 Hz, stereo, fltp, delay 256, 448
kb/s Metadata: encoder : Lavc58.16.100 ac3cur_dts is invalid
(this is harmless if it occurs once at the start per stream) Last message
repeated 293 timescur_dts is invalid (this is harmless if it occurs once at the
start per stream) 0x Last message repeated 289 timescur_dts is invalid (this
is harmless if it occurs once at the start per stream) 0x Last message
repeated 289 timescur_dts is invalid (this is harmless if it occurs once at the
start per stream) 0x Last message repeated 291 timescur_dts is invalid (this
is harmless if it occurs once at the start per stream) 0x Last message
repeated 60 times[dvd @ 000000000060e480] First SCR: 0 First DTS: 45000[out_0_0
@ 000000000258d240] EOF on sink link out_0_0:default.rate=6564.5kbits/s
speed=10.6x[out_0_1 @ 0000000002834d00] EOF on sink link out_0_1:default.No
more output streams to write to, finishing.frame= 2425 fps=324 q=3.3 Lsize=
65038kB time=00:01:20.89 bitrate=6586.6kbits/s speed=10.8xvideo:59318kB
audio:4424kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead:
2.032480%Input file #0 (../../20180726_150335-phasebtop1.vob): Input stream
#0:0 (data): 0 packets read (0 bytes); Input stream #0:1 (video): 2725 packets
read (51214402 bytes); 2725 frames decoded; Input stream #0:2 (audio): 2840
packets read (5089280 bytes); 2840 frames decoded (4362240 samples); Total:
5565 packets (56303682 bytes) demuxedOutput file #0 (bob.VOB): Output stream
#0:0 (video): 2425 frames encoded; 2425 packets muxed (60742090 bytes); Output
stream #0:1 (audio): 2528 frames encoded (3882240 samples); 2528 packets muxed
(4530176 bytes); Total: 4953 packets (65272266 bytes) muxed5565 frames
successfully decoded, 0 decoding errors[AVIOContext @ 00000000005ac000]
Statistics: 0 seeks, 32357 writeouts[AVIOContext @ 00000000005ac840]
Statistics: 61134992 bytes read, 2 seeks
c:\Developer\ffmpeg-20180329-e5819fa-win64-static\bin>
---------------------------------------------------------------------------------------------
Thank you for looking!-Bob
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