Hello FFmpeg-users,
I am struggling to get the concat demuxer working on FFMPEG Version 4.2.4.
I am attempting to combine multiple image files into a video by using the
command:
ffmpeg -f concat -i myFile.txt output.mp4
I get an output file from the command, but the total time is much shorter
than the time I specify in the file. I am fairly sure it has something to do
with these:
[concat @ 0x3517c20] DTS -230575710986727 < -9214782102262 out of order
DTS -221360928884465, next:40000 st:0 invalid dropping
PTS -221360928884465, next:40000 invalid dropping st:0
DTS -221360928884389, next:80000 st:0 invalid dropping
PTS -221360928884389, next:80000 invalid dropping st:0
*Does anyone have any idea what I can do to get this working?
Contents of myFile.txt:
file 'image0.png'
duration 2.018
file 'image1.png'
duration 3.018
file 'image2.png'
duration 4.018
Version Information for FFMPEG:
ffmpeg version 2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
built on Oct 10 2014 15:15:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample
--disable-debug --enable-nonfree --enable-gpl --enable-version3
--enable-x11grab --enable-libpulse --enable-libopencore-amrnb
--enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb
--enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis
--enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex
--enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid
libavutil 54. 7.100 / 54. 7.100
libavcodec 56. 1.100 / 56. 1.100
libavformat 56. 4.101 / 56. 4.101
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 1.100 / 5. 1.100
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 0.100 / 53. 0.100
Output from ffmpeg upon running the command:
ffmpeg version 2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
built on Oct 10 2014 15:15:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample
--disable-debug --enable-nonfree --enable-gpl --enable-version3
--enable-x11grab --enable-libpulse --enable-libopencore-amrnb
--enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb
--enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis
--enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex
--enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid
libavutil 54. 7.100 / 54. 7.100
libavcodec 56. 1.100 / 56. 1.100
libavformat 56. 4.101 / 56. 4.101
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 1.100 / 5. 1.100
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 0.100 / 53. 0.100
Input #0, concat, from 'myFile.txt':
Duration: 00:00:09.05, start: 775903366.480000, bitrate: 0 kb/s
Stream #0:0: Video: png, rgba, 1500x1000, 25 tbr, 25 tbn, 25 tbc
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x35240e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x35240e0] profile High 4:4:4 Predictive, level 4.0, 4:4:4 8-bit
[libx264 @ 0x35240e0] 264 - core 142 r2431 ac76440 - H.264/MPEG-4 AVC codec
- Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1
ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00
mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11
fast_pskip=1 chroma_qp_offset=4 threads=1 lookahead_threads=1
sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1
weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0
qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
Metadata:
encoder : Lavf56.4.101
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p,
1500x1000, q=-1--1, 25 fps, 12800 tbn, 25 tbc
Metadata:
encoder : Lavc56.1.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[concat @ 0x3517c20] DTS -230575710986727 < -9214782102262 out of order
DTS -221360928884465, next:40000 st:0 invalid dropping
PTS -221360928884465, next:40000 invalid dropping st:0
DTS -221360928884389, next:80000 st:0 invalid dropping
PTS -221360928884389, next:80000 invalid dropping st:0
frame= 3 fps=0.0 q=28.0 Lsize= 27kB time=00:00:00.04
bitrate=5587.6kbits/s
video:26kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 3.225568%
[libx264 @ 0x35240e0] frame I:1 Avg QP:14.32 size: 13024
[libx264 @ 0x35240e0] frame P:1 Avg QP:16.34 size: 246
[libx264 @ 0x35240e0] frame B:1 Avg QP:18.24 size: 13107
[libx264 @ 0x35240e0] consecutive B-frames: 33.3% 66.7% 0.0% 0.0%
[libx264 @ 0x35240e0] mb I I16..4: 73.4% 19.5% 7.1%
[libx264 @ 0x35240e0] mb P I16..4: 0.1% 0.1% 0.0% P16..4: 1.7% 0.1%
0.0% 0.0% 0.0% skip:98.0%
[libx264 @ 0x35240e0] mb B I16..4: 9.5% 6.3% 6.8% B16..8: 4.8% 0.5%
0.0% direct: 0.1% skip:72.0% L0:20.7% L1:79.0% BI: 0.3%
[libx264 @ 0x35240e0] 8x8 transform intra:21.1% inter:70.4%
[libx264 @ 0x35240e0] coded y,u,v intra: 10.0% 5.9% 3.9% inter: 0.5% 0.5%
0.5%
[libx264 @ 0x35240e0] i16 v,h,dc,p: 86% 12% 1% 1%
[libx264 @ 0x35240e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 12% 55% 1% 1% 1%
1% 1% 1%
[libx264 @ 0x35240e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 41% 27% 10% 3% 4% 4%
4% 3% 3%
[libx264 @ 0x35240e0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x35240e0] kb/s:1758.47
Any help would be much appreciated.
Ryan Vincent
--
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