我遇到了一个非常奇怪的错误。
这是我的命令控制台输出：
ffmpeg -i /transcodes/original/883_1000_1403436916_00001.MTS -y -vcodec libx264 -tune zerolatency -
movflags faststart -crf 20 -profile:v high -level:v 4.0 -maxrate 6000k -bufsize 12000k -acodec libfdk_aac -b:a 256k /transcodes/883_1000_1403436916_00001_HQ.mp4 -vcodec libx264 -s 848x480 -tune zerolatency -movflags faststart -crf 25 -profile:v main -level:v 3.1 -maxrate 1400k -bufsize 1400k -acodec libfdk_aac -b:a 256k /transcodes/883_1000_1403436916_00001_SQ.mp4 -ss 166.16 -f image2 -vframes 1 /transcodes/883_1000_1403436916_00001_poster.jpg -ss 166.16 -f image2 -vf scale=-1:240 -vframes 1 /transcodes/883_1000_1403436916_00001_thumb.jpg
ffmpeg version 2.2.git Copyright (c) 2000-2014 the FFmpeg developers
built on Jun 13 2014 02:40:27 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
configuration: --prefix=/home/ubuntu/ffmpeg_build --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --bindir=/home/ubuntu/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
libavutil 52. 89.100 / 52. 89.100
libavcodec 55. 66.100 / 55. 66.100
libavformat 55. 43.100 / 55. 43.100
libavdevice 55. 13.101 / 55. 13.101
libavfilter 4. 8.100 / 4. 8.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 19.100 / 0. 19.100
libpostproc 52. 3.100 / 52. 3.100
Input #0, mpegts, from '/transcodes/original/883_1000_1403436916_00001.MTS':
Duration: 00:04:11.74, start: 0.382511, bitrate: 25222 kb/s
Program 1
Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 384 kb/s
Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
[swscaler @ 0x216fe40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x2188c20] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x2143e60] using SAR=1/1
[libx264 @ 0x2143e60] MB rate (489110) > level limit (245760)
[libx264 @ 0x2143e60] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
[libx264 @ 0x2143e60] profile High, level 4.0
[libx264 @ 0x2143e60] 264 - core 142 - 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=-2 threads=2 lookahead_threads=2 sliced_threads=1 slices=2 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=0 rc=crf mbtree=0 crf=20.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=6000 vbv_bufsize=12000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
[libx264 @ 0x2150680] using SAR=160/159
[libx264 @ 0x2150680] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
[libx264 @ 0x2150680] profile Main, level 3.1
[libx264 @ 0x2150680] 264 - core 142 - 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=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=2 lookahead_threads=2 sliced_threads=1 slices=2 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=0 rc=crf mbtree=0 crf=25.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=1400 vbv_bufsize=1400 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/transcodes/883_1000_1403436916_00001_HQ.mp4':
Metadata:
encoder : Lavf55.43.100
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, max. 6000 kb/s, 59.94 fps, 60k tbn, 59.94 tbc
Metadata:
encoder : Lavc55.66.100 libx264
Stream #0:1: Audio: aac (libfdk_aac) ([64][0][0][0] / 0x0040), 48000 Hz, 5.1, s16, 256 kb/s
Metadata:
encoder : Lavc55.66.100 libfdk_aac
Output #1, mp4, to '/transcodes/883_1000_1403436916_00001_SQ.mp4':
Metadata:
encoder : Lavf55.43.100
Stream #1:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 848x480 [SAR 160:159 DAR 16:9], q=-1--1, max. 1400 kb/s, 59.94 fps, 60k tbn, 59.94 tbc
Metadata:
encoder : Lavc55.66.100 libx264
Stream #1:1: Audio: aac (libfdk_aac) ([64][0][0][0] / 0x0040), 48000 Hz, 5.1, s16, 256 kb/s
Metadata:
encoder : Lavc55.66.100 libfdk_aac
Output #2, image2, to '/transcodes/883_1000_1403436916_00001_poster.jpg':
Metadata:
encoder : Lavf55.43.100
Stream #2:0: Video: mjpeg, yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 59.94 fps, 90k tbn, 59.94 tbc
Metadata:
encoder : Lavc55.66.100 mjpeg
Output #3, image2, to '/transcodes/883_1000_1403436916_00001_thumb.jpg':
Metadata:
encoder : Lavf55.43.100
Stream #3:0: Video: mjpeg, yuvj420p, 427x240 [SAR 1280:1281 DAR 16:9], q=2-31, 200 kb/s, 59.94 fps, 90k tbn, 59.94 tbc
Metadata:
encoder : Lavc55.66.100 mjpeg
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #0:1 (ac3 (native) -> aac (libfdk_aac))
Stream #0:0 -> #1:0 (h264 (native) -> h264 (libx264))
Stream #0:1 -> #1:1 (ac3 (native) -> aac (libfdk_aac))
Stream #0:0 -> #2:0 (h264 (native) -> mjpeg (mjpeg))
Stream #0:0 -> #3:0 (h264 (native) -> mjpeg (mjpeg))
frame=15090 fps=1.0 q=39.0 q=30.0 q=6.6 q=4.3 size= 193843kB time=00:04:11.75 bitrate=6307.7kbits/s dup=0 drop=15088
[mp4 @ 0x210ae00] Starting second pass: moving the moov atom to the beginning of the file
[mp4 @ 0x210ae00] Unable to re-open /transcodes/883_1000_1403436916_00001_HQ.mp4 output file for the second pass (faststart)
[mp4 @ 0x214fc20] Starting second pass: moving the moov atom to the beginning of the file
[mp4 @ 0x214fc20] Unable to re-open /transcodes/883_1000_1403436916_00001_SQ.mp4 output file for the second pass (faststart)
frame=15090 fps=1.0 q=39.0 Lq=30.0 q=6.6 q=4.3 size= 193843kB time=00:04:11.77 bitrate=6307.1kbits/s dup=0 drop=15088
video:212914kB audio:15741kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libx264 @ 0x2143e60] frame I:162 Avg QP:23.31 size: 38205
[libx264 @ 0x2143e60] frame P:14928 Avg QP:25.47 size: 12322
[libx264 @ 0x2143e60] mb I I16..4: 24.9% 70.4% 4.6%
[libx264 @ 0x2143e60] mb P I16..4: 2.2% 3.2% 0.0% P16..4: 38.3% 3.7% 4.3% 0.0% 0.0% skip:48.3%
[libx264 @ 0x2143e60] 8x8 transform intra:60.6% inter:94.6%
[libx264 @ 0x2143e60] coded y,uvDC,uvAC intra: 25.5% 50.7% 2.8% inter: 9.7% 17.3% 0.0%
[libx264 @ 0x2143e60] i16 v,h,dc,p: 43% 17% 10% 29%
[libx264 @ 0x2143e60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 13% 34% 4% 4% 4% 5% 3% 3%
[libx264 @ 0x2143e60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 37% 18% 13% 5% 7% 6% 7% 4% 3%
[libx264 @ 0x2143e60] i8c dc,h,v,p: 64% 15% 19% 2%
[libx264 @ 0x2143e60] Weighted P-Frames: Y:0.2% UV:0.0%
[libx264 @ 0x2143e60] ref P L0: 67.7% 14.5% 13.8% 4.0% 0.0%
[libx264 @ 0x2143e60] kb/s:6042.08
[libx264 @ 0x2150680] frame I:72 Avg QP:24.70 size: 14016
[libx264 @ 0x2150680] frame P:15018 Avg QP:28.46 size: 1783
[libx264 @ 0x2150680] mb I I16..4: 39.4% 0.0% 60.6%
[libx264 @ 0x2150680] mb P I16..4: 0.8% 0.0% 0.3% P16..4: 36.3% 4.1% 2.6% 0.0% 0.0% skip:56.0%
[libx264 @ 0x2150680] coded y,uvDC,uvAC intra: 32.1% 41.1% 7.1% inter: 3.9% 6.6% 0.1%
[libx264 @ 0x2150680] i16 v,h,dc,p: 50% 12% 10% 27%
[libx264 @ 0x2150680] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 34% 15% 22% 5% 5% 5% 6% 5% 3%
[libx264 @ 0x2150680] i8c dc,h,v,p: 67% 11% 19% 3%
[libx264 @ 0x2150680] Weighted P-Frames: Y:0.7% UV:0.1%
[libx264 @ 0x2150680] ref P L0: 65.0% 22.3% 10.0% 2.6% 0.0%
[libx264 @ 0x2150680] kb/s:882.93
我在尝试之后尝试添加sleep（5）：
exec($cmd, $out, $ret);
让脚本有时间将moov原子移到前面，然后再将本地文件上传到s3然后删除本地文件，但它不是100％可靠。
有什么想法吗？