我使用以下命令：
ffmpeg
-i "video1a.flv"
-i "video1b.flv"
-i "video1c.flv"
-i "video2a.flv"
-i "video3a.flv"
-i "video4a.flv"
-i "video4b.flv"
-i "video4c.flv"
-i "video4d.flv"
-i "video4e.flv"
-filter_complex
nullsrc=size=640x480[base];
[0:v]setpts=PTS-STARTPTS+0.12/TB,scale=320x240[1a];
[1:v]setpts=PTS-STARTPTS+3469.115/TB,scale=320x240[1b];
[2:v]setpts=PTS-STARTPTS+7739.299/TB,scale=320x240[1c];
[5:v]setpts=PTS-STARTPTS+4390.466/TB,scale=320x240[4a];
[6:v]setpts=PTS-STARTPTS+6803.937/TB,scale=320x240[4b];
[7:v]setpts=PTS-STARTPTS+8242.005/TB,scale=320x240[4c];
[8:v]setpts=PTS-STARTPTS+9811.577/TB,scale=320x240[4d];
[9:v]setpts=PTS-STARTPTS+10765.19/TB,scale=320x240[4e];
[base][1a]overlay=eof_action=pass[o1];
[o1][1b]overlay=eof_action=pass[o1];
[o1][1c]overlay=eof_action=pass:shortest=1[o1];
[o1][4a]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4b]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4c]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4d]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4e]overlay=eof_action=pass:x=320:y=240;
[0:a]asetpts=PTS-STARTPTS+0.12/TB,aresample=async=1,pan=1c|c0=c0,apad[a1a];
[1:a]asetpts=PTS-STARTPTS+3469.115/TB,aresample=async=1,pan=1c|c0=c0,apad[a1b];
[2:a]asetpts=PTS-STARTPTS+7739.299/TB,aresample=async=1,pan=1c|c0=c0[a1c];
[3:a]asetpts=PTS-STARTPTS+82.55/TB,aresample=async=1,pan=1c|c0=c0,apad[a2a];
[4:a]asetpts=PTS-STARTPTS+2687.265/TB,aresample=async=1,pan=1c|c0=c0,apad[a3a];
[a1a][a1b][a1c][a2a][a3a]amerge=inputs=5
-c:v libx264 -c:a aac -ac 2 output.mp4
这是来自ffmpeg的流数据：
Input #0
Stream #0:0: Video: vp6f, yuv420p, 160x128, 1k tbr, 1k tbn
Stream #0:1: Audio: nellymoser, 11025 Hz, mono, flt
Input #1
Stream #1:0: Audio: nellymoser, 11025 Hz, mono, flt
Stream #1:1: Video: vp6f, yuv420p, 160x128, 1k tbr, 1k tbn
Input #2
Stream #2:0: Audio: nellymoser, 11025 Hz, mono, flt
Stream #2:1: Video: vp6f, yuv420p, 160x128, 1k tbr, 1k tbn
Input #3
Stream #3:0: Audio: nellymoser, 11025 Hz, mono, flt
Input #4
Stream #4:0: Audio: nellymoser, 11025 Hz, mono, flt
Input #5
Stream #5:0: Video: vp6f, yuv420p, 1680x1056, 1k tbr, 1k tbn
Input #6
Stream #6:0: Video: vp6f, yuv420p, 1680x1056, 1k tbr, 1k tbn
Input #7
Stream #7:0: Video: vp6f, yuv420p, 1680x1056, 1k tbr, 1k tbn
Input #8
Stream #8:0: Video: vp6f, yuv420p, 1680x1056, 1k tbr, 1k tbn
Input #9
Stream #9:0: Video: vp6f, yuv420p, 1680x1056, 1k tbr, 1k tbn
Stream mapping:
Stream #0:0 (vp6f) -> setpts
Stream #0:1 (nellymoser) -> asetpts
Stream #1:0 (nellymoser) -> asetpts
Stream #1:1 (vp6f) -> setpts
Stream #2:0 (nellymoser) -> asetpts
Stream #2:1 (vp6f) -> setpts
Stream #3:0 (nellymoser) -> asetpts
Stream #4:0 (nellymoser) -> asetpts
Stream #5:0 (vp6f) -> setpts
Stream #6:0 (vp6f) -> setpts
Stream #7:0 (vp6f) -> setpts
Stream #8:0 (vp6f) -> setpts
Stream #9:0 (vp6f) -> setpts
overlay -> Stream #0:0 (libx264)
amerge -> Stream #0:1 (aac)
这是错误：
Press [q] to stop, [?] for help
Enter command: <target>|all <time>|-1 <command>[ <argument>]
Parse error, at least 3 arguments were expected, only 1 given in string 'ho Oscar'
[Parsed_amerge_44 @ 0a7238c0] No channel layout for input 1
[Parsed_amerge_44 @ 0a7238c0] Input channel layouts overlap: output layout will be determined by the number of distinct input channels
[Parsed_pan_27 @ 07681880] Pure channel mapping detected: 0
[Parsed_pan_31 @ 07681b40] Pure channel mapping detected: 0
[Parsed_pan_35 @ 0a7232c0] Pure channel mapping detected: 0
[Parsed_pan_38 @ 0a7234c0] Pure channel mapping detected: 0
[Parsed_pan_42 @ 0a723740] Pure channel mapping detected: 0
[libx264 @ 069e8a40] using SAR=1/1
[libx264 @ 069e8a40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 069e8a40] profile High, level 3.0
[libx264 @ 069e8a40] 264 - core 155 r2901 7d0ff22 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - 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=15 lookahead_threads=2 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:
canSeekToEnd : false
encoder : Lavf58.16.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
Metadata:
encoder : Lavc58.19.102 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 11025 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
encoder : Lavc58.19.102 aac
frame= 200 fps=0.0 q=28.0 size= 0kB time=00:00:07.82 bitrate= 0.0kbits/s speed=15.6x
...
frame=30132 fps=497 q=28.0 size= 29952kB time=00:20:05.14 bitrate= 203.6kbits/s speed=19.9x
Error while filtering: Cannot allocate memory
Failed to inject frame into filter network: Cannot allocate memory
Error while processing the decoded data for stream #2:1
[libx264 @ 069e8a40] frame I:121 Avg QP: 8.83 size: 7052
[libx264 @ 069e8a40] frame P:7609 Avg QP:18.33 size: 1527
[libx264 @ 069e8a40] frame B:22367 Avg QP:25.44 size: 112
[libx264 @ 069e8a40] consecutive B-frames: 0.6% 0.7% 1.0% 97.8%
[libx264 @ 069e8a40] mb I I16..4: 75.7% 18.3% 6.0%
[libx264 @ 069e8a40] mb P I16..4: 0.3% 0.7% 0.1% P16..4: 10.6% 3.3% 1.6% 0.0% 0.0% skip:83.4%
[libx264 @ 069e8a40] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 3.2% 0.2% 0.0% direct: 0.2% skip:96.5% L0:47.7% L1:48.2% BI: 4.0%
[libx264 @ 069e8a40] 8x8 transform intra:37.4% inter:70.2%
[libx264 @ 069e8a40] coded y,uvDC,uvAC intra: 38.9% 46.1% 28.7% inter: 1.7% 3.3% 0.1%
[libx264 @ 069e8a40] i16 v,h,dc,p: 78% 8% 4% 10%
[libx264 @ 069e8a40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 20% 12% 3% 6% 8% 6% 6% 7%
[libx264 @ 069e8a40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 37% 22% 9% 4% 6% 7% 5% 5% 4%
[libx264 @ 069e8a40] i8c dc,h,v,p: 60% 16% 17% 7%
[libx264 @ 069e8a40] Weighted P-Frames: Y:0.7% UV:0.6%
[libx264 @ 069e8a40] ref P L0: 65.5% 12.3% 14.2% 8.0% 0.0%
[libx264 @ 069e8a40] ref B L0: 90.2% 7.5% 2.3%
[libx264 @ 069e8a40] ref B L1: 96.4% 3.6%
[libx264 @ 069e8a40] kb/s:99.58
[aac @ 069e9600] Qavg: 65519.982
[aac @ 069e9600] 2 frames left in the queue on closing
Conversion failed!
我想弄清楚如何解决这些错误：
Error while filtering: Cannot allocate memory
Failed to inject frame into filter network: Cannot allocate memory
Error while processing the decoded data for stream #2:1
观察＃1
如果我在流＃2：1上运行以下命令：
ffmpeg -i video1c.flv -vcodec libx264 -acodec aac video1c.mp4
文件转换正常，没有错误。
观察＃2
在video1c.flv上运行MediaInfo（流＃2）显示以下内容：
Format: Flash Video
Video Codecs: On2 VP6
Audio Codecs: Nellymoser
在解决此错误时，我们将不胜感激。
更新＃1
我已尝试按要求将过滤器图表拆分为两个但我收到相同的错误：
Error while filtering: Cannot allocate memory
Failed to inject frame into filter network: Cannot allocate memory
Error while processing the decoded data for stream #1:1
然而，我确实发现了一些东西，如果我尝试使用VLC Media Player调出上面提到的＃1：1流（video1b.flv），我可以听到音频文件，但我看不到视频，我收到此错误消息：
No suitable decoder module:
VLC Does not support the audio or video format "undf".
Unfortunately there is no way for you to fix this.
更新＃2
上述错误与32位版本的ffmpeg有关。我切换到64位机器，现在正在运行64位ffmpeg版本ffmpeg-20180605-b748772-win64-static。
现在我不再收到以下错误：
Error while processing the decoded data for stream #1:1
但是，我有一个新错误。运行大约一个小时后，我收到以下错误：
av_interleaved_write_frame(): Cannot allocate memory
[mp4 @ 000000000433f080] Application provided duration: 3327365388930198318
/ timestamp: 17178820096 is out of range for mov/mp4 format
我还尝试首先按照建议重新启动所有文件，并使用这些文件运行上述命令，这没有帮助。我仍然得到同样的错误。
答案 0 :(得分：0)
尝试使用不同滤镜图中的音频和视频
的ffmpeg
-i "video1a.flv"
-i "video1b.flv"
-i "video1c.flv"
-i "video2a.flv"
-i "video3a.flv"
-i "video4a.flv"
-i "video4b.flv"
-i "video4c.flv"
-i "video4d.flv"
-i "video4e.flv"
-filter_complex
nullsrc=size=640x480[base];
[0:v]setpts=PTS-STARTPTS+0.12/TB,scale=320x240[1a];
[1:v]setpts=PTS-STARTPTS+3469.115/TB,scale=320x240[1b];
[2:v]setpts=PTS-STARTPTS+7739.299/TB,scale=320x240[1c];
[5:v]setpts=PTS-STARTPTS+4390.466/TB,scale=320x240[4a];
[6:v]setpts=PTS-STARTPTS+6803.937/TB,scale=320x240[4b];
[7:v]setpts=PTS-STARTPTS+8242.005/TB,scale=320x240[4c];
[8:v]setpts=PTS-STARTPTS+9811.577/TB,scale=320x240[4d];
[9:v]setpts=PTS-STARTPTS+10765.19/TB,scale=320x240[4e];
[base][1a]overlay=eof_action=pass[o1];
[o1][1b]overlay=eof_action=pass[o1];
[o1][1c]overlay=eof_action=pass:shortest=1[o1];
[o1][4a]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4b]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4c]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4d]overlay=eof_action=pass:x=320:y=240[o4];
[o4][4e]overlay=eof_action=pass:x=320:y=240
-filter_complex
[0:a]asetpts=PTS-STARTPTS+0.12/TB,aresample=async=1,pan=1c|c0=c0,apad[a1a];
[1:a]asetpts=PTS-STARTPTS+3469.115/TB,aresample=async=1,pan=1c|c0=c0,apad[a1b];
[2:a]asetpts=PTS-STARTPTS+7739.299/TB,aresample=async=1,pan=1c|c0=c0[a1c];
[3:a]asetpts=PTS-STARTPTS+82.55/TB,aresample=async=1,pan=1c|c0=c0,apad[a2a];
[4:a]asetpts=PTS-STARTPTS+2687.265/TB,aresample=async=1,pan=1c|c0=c0,apad[a3a];
[a1a][a1b][a1c][a2a][a3a]amerge=inputs=5
-c:v libx264 -c:a aac -ac 2 output.mp4