我想我只要求 h.265 输出，但下面的输出日志似乎表明它正在尝试生成 2 个视频流作为输出。
"C:\SOFTWARE\ffmpeg\0-homebuilt-x64\built_for_generic_opencl\x64_8bit\ffmpeg.exe" -hide_banner -v verbose -threads 0 -i "G:\HDTV\0nvencc\test-mp4-03\ABC HD interlaced.aac.mp4" -t 15 -threads 0 -an -sws_flags lanczos+accurate_rnd+full_chroma_int+full_chroma_inp -filter_complex "[0:v]yadif=0:0:0" -pixel_format yuv420p -pix_fmt yuv420p -strict -1 -f yuv4mpegpipe - 2> .\zzz1.h265.txt
| "C:\SOFTWARE\ffmpeg\0-homebuilt-x64\built_for_generic_opencl\x64_8bit\ffmpeg.exe" -strict -1 -hide_banner -v verbose -threads 0 -i - -strict -1 -c:v:0 libx265 -crf 28 output.mp4 -an -y .\zzz.h265.mp4 2> .\zzz2.h265.txt
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<snip to make code block smaller>
Stream mapping:
Stream #0:0 (h264) -> yadif
yadif -> Stream #0:0 (wrapped_avframe)
Press [q] to stop, [?] for help
[h264 @ 000001b78ca87c00] Reinit context to 1920x1088, pix_fmt: yuv420p
[graph 0 input from stream 0:0 @ 000001b78ca264c0] w:1920 h:1080 pixfmt:yuv420p tb:1/90000 fr:25/1 sar:1/1 sws_param:flags=2
Output file #0 (pipe:):
Output stream #0:0 (video): 2 frames encoded; 2 packets muxed (1072 bytes);
Total: 2 packets (1072 bytes) muxed
Conversion failed!
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Routing option strict to both codec and muxer layer
Last message repeated 1 times
Input #0, yuv4mpegpipe, from 'pipe:':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo, 1 reference frame (I420 / 0x30323449), yuv420p(progressive, left), 1920x1080, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> hevc (libx265))
Stream #0:0 -> #1:0 (rawvideo (native) -> h264 (libx264))
[graph 0 input from stream 0:0 @ 0000027f5ebefa00] w:1920 h:1080 pixfmt:yuv420p tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
x265 [info]: HEVC encoder version 2.7+8-613d9f443769
x265 [info]: build info [Windows][GCC 7.3.0][64 bit] 8bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-4 (Main tier)
x265 [info]: Thread pool created using 8 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 3 / wpp(17 rows)
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最佳答案
删除 output.mp4在 -crf 28 output.mp4 -an -y .\zzz.h265.mp4 2> .\zzz2.h265.txt
关于ffmpeg - 为什么 ffmpeg 试图同时生成 h.264 和 h.265？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/49145266/