我有一系列 361 .png 文件，我正在尝试将其转换为视频，无论出于何种原因，生成的视频都是黑色的。这是我正在使用的 FFmpeg 代码：
ffmpeg -f image2 -i "FeatureTour_%05d.png" -r 30 -vcodec libx264 -b:v 9600k "FeatureTour.mp4"
文件格式正确 ( FeatureTour_00001.png) 并且没有引发错误。它只会产生一个 160kb 的黑色 mp4 文件。
知道我做错了什么吗？
编辑
这是我使用上述代码后的输出：
ffmpeg version N-46206-g0e4d34e Copyright (c) 2000-2012 the FFmpeg developers
built on Oct 30 2012 23:07:44 with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libaacplus --enable-libass --enable-libcelt --enable-libfaac --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-openssl --enable-libopus --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --prefix=/usr/local
libavutil 52. 1.100 / 52. 1.100
libavcodec 54. 70.100 / 54. 70.100
libavformat 54. 35.100 / 54. 35.100
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 20.113 / 3. 20.113
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 16.100 / 0. 16.100
libpostproc 52. 1.100 / 52. 1.100
[image2 @ 0x7fa68381e200] max_analyze_duration 5000000 reached at 5000000
Input #0, image2, from 'FeatureTour_%05d.png':
Duration: 00:00:14.44, start: 0.000000, bitrate: N/A
Stream #0:0: Video: png, rgb24, 114x151 [SAR 2835:2835 DAR 114:151], 25 fps, 25 tbr, 25 tbn, 25 tbc
[libx264 @ 0x7fa683826c00] using SAR=1/1
[libx264 @ 0x7fa683826c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x7fa683826c00] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
[libx264 @ 0x7fa683826c00] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=12 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=abr mbtree=1 bitrate=9600 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'FeatureTour.mp4':
Metadata:
encoder : Lavf54.35.100
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 114x151 [SAR 1:1 DAR 114:151], q=-1--1, 9600 kb/s, 15360 tbn, 30 tbc
Stream mapping:
Stream #0:0 -> #0:0 (png -> libx264)
Press [q] to stop, [?] for help
frame= 432 fps=0.0 q=-2.0 Lsize= 152kB time=00:00:14.33 bitrate= 86.9kbits/s dup=71 drop=0
video:146kB audio:0kB subtitle:0 global headers:0kB muxing overhead 3.905020%
[libx264 @ 0x7fa683826c00] frame I:3 Avg QP: 0.06 size: 8557
[libx264 @ 0x7fa683826c00] frame P:135 Avg QP: 0.10 size: 653
[libx264 @ 0x7fa683826c00] frame B:294 Avg QP: 0.43 size: 120
[libx264 @ 0x7fa683826c00] consecutive B-frames: 8.8% 0.9% 1.4% 88.9%
[libx264 @ 0x7fa683826c00] mb I I16..4: 30.0% 0.4% 69.6%
[libx264 @ 0x7fa683826c00] mb P I16..4: 2.1% 0.0% 1.9% P16..4: 7.5% 1.2% 0.8% 0.0% 0.0% skip:86.5%
[libx264 @ 0x7fa683826c00] mb B I16..4: 0.2% 0.0% 0.1% B16..8: 4.4% 0.3% 0.2% direct: 0.9% skip:93.8% L0:46.5% L1:48.9% BI: 4.5%
[libx264 @ 0x7fa683826c00] final ratefactor: -45.15
[libx264 @ 0x7fa683826c00] 8x8 transform intra:0.7% inter:19.3%
[libx264 @ 0x7fa683826c00] coded y,u,v intra: 44.4% 32.1% 31.5% inter: 2.3% 1.6% 1.4%
[libx264 @ 0x7fa683826c00] i16 v,h,dc,p: 25% 75% 0% 0%
[libx264 @ 0x7fa683826c00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 40% 10% 0% 5% 0% 10% 0% 5%
[libx264 @ 0x7fa683826c00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 71% 5% 1% 1% 1% 2% 1% 2%
[libx264 @ 0x7fa683826c00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fa683826c00] ref P L0: 88.0% 3.9% 5.0% 3.1%
[libx264 @ 0x7fa683826c00] ref B L0: 85.4% 12.4% 2.1%
[libx264 @ 0x7fa683826c00] ref B L1: 98.1% 1.9%
[libx264 @ 0x7fa683826c00] kb/s:82.86