有人可以帮助我解决以下 FFMPEG 错误吗：
STDOUT:
STDERR: ffmpeg version 4.4.1-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2021 the FFmpeg developers
built with gcc 8 (Debian 8.3.0-6)
configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
libavutil 56. 70.100 / 56. 70.100
libavcodec 58.134.100 / 58.134.100
libavformat 58. 76.100 / 58. 76.100
libavdevice 58. 13.100 / 58. 13.100
libavfilter 7.110.100 / 7.110.100
libswscale 5. 9.100 / 5. 9.100
libswresample 3. 9.100 / 3. 9.100
libpostproc 55. 9.100 / 55. 9.100
Input #0, hevc, from '/home/ubuntu/flixer/tmpofmcrjst/animation/input_clip.h265':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: hevc (Main), yuvj420p(pc), 3264x2448 [SAR 1:1 DAR 4:3], 60 fps, 60 tbr, 1200k tbn, 60 tbc
Input #1, hevc, from '/home/ubuntu/flixer/tmpofmcrjst/animation/animated_text_clip.h265':
Duration: N/A, bitrate: N/A
Stream #1:0: Video: hevc (Main), yuvj420p(pc, bt470bg/unknown/unknown), 2448x244 [SAR 1:1 DAR 612:61], 60 fps, 60 tbr, 1200k tbn, 60 tbc
Stream mapping:
Stream #0:0 (hevc) -> overlay:main
Stream #1:0 (hevc) -> overlay:overlay
overlay -> Stream #0:0 (libx265)
Press [q] to stop, [?] for help
[swscaler @ 0x7e03080] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x7e746c0] deprecated pixel format used, make sure you did set range correctly
x265 [info]: HEVC encoder version 3.5+1-f0c1022b6
x265 [info]: build info [Linux][GCC 8.3.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
x265 [info]: Main profile, Level-5.1 (Main tier)
x265 [info]: Thread pool created using 4 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 2 / wpp(39 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 3
x265 [info]: Keyframe min / max / scenecut / bias : 25 / 250 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2
x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
x265 [info]: References / ref-limit cu / depth : 3 / off / on
x265 [info]: AQ: mode / str / qg-size / cu-tree : 2 / 1.0 / 32 / 1
x265 [info]: Rate Control / qCompress : CRF-28.0 / 0.60
x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip mode=1 signhide tmvp
x265 [info]: tools: b-intra strong-intra-smoothing lslices=8 deblock sao
Output #0, hevc, to '/home/ubuntu/flixer/tmpofmcrjst/clips/clip1.h265':
Metadata:
encoder : Lavf58.76.100
Stream #0:0: Video: hevc, yuv420p(tv, progressive), 3264x2448 [SAR 1:1 DAR 4:3], q=2-31, 60 fps, 60 tbn (default)
Metadata:
encoder : Lavc58.134.100 libx265
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame= 1 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 9 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 19 fps= 16 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 25 fps= 15 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 27 fps=5.8 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 28 fps=5.3 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 29 fps=4.1 q=26.6 size= 69kB time=-00:00:00.01 bitrate=N/A speed=N/A
frame= 32 fps=4.2 q=38.9 size= 74kB time=00:00:00.03 bitrate=18296.1kbits/s speed=0.00436x
frame= 33 fps=3.9 q=38.9 size= 75kB time=00:00:00.05 bitrate=12286.1kbits/s speed=0.00591x
我是新手，在理解上述错误时遇到了麻烦。我尝试animated_text_clip.h265使用input_clip.h265ffmpeg-pythonpython 中的包。该包将错误输出到 STDERR，以上是我收到的消息。