最简单的基于FFmpeg的AVDevice例子（屏幕录制） - 雷霄骅(leixiaohua1020)的专栏 - CSDN博客 https://blog.csdn.net/leixiaohua1020/article/details/39706721
D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640×480 -i video=”vide
o source name”:audio=”audio source name” -vcodec libx264 -b 600k -vpre slow -acodec libfaac -ab 1
28k -f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0-507aab7e9f4ffac0
88a294e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow indev @ 000000000050d3c0] Unable to parse option value "640脳480" as image size
[dshow indev @ 000000000050d3c0] Error setting option video_size to value 640脳480.
video=鈥漹ideo: Invalid argument D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640×480 -i video="video
source name":audio="audio source name" -vcodec libx264 -b 600k -vpre slow -acodec libfaac -ab 128k
-f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0-507aab7e9f4ffac088a2
94e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow indev @ 000000000033d180] Unable to parse option value "640脳480" as image size
[dshow indev @ 000000000033d180] Error setting option video_size to value 640脳480.
video=video source name:audio=audio source name: Invalid argument D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640*480 -i video="video
source name":audio="audio source name" -vcodec libx264 -b 600k -vpre slow -acodec libfaac -ab 128k -
f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0-507aab7e9f4ffac088a29
4e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow @ 000000000045b880] Could not find video device with name [video source name] among source de
vices of type video.
video=video source name:audio=audio source name: I/O error D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640*480 -i video="Conexa
nt 20561 SmartAudio HD":audio="Conexant 20561 SmartAudio HD" -vcodec libx264 -b 600k -vpre slow -aco
dec libfaac -ab 128k -f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0
-507aab7e9f4ffac088a294e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow @ 00000000004eb940] Could not find video device with name [Conexant 20561 SmartAudio HD] amon
g source devices of type video.
video=Conexant 20561 SmartAudio HD:audio=Conexant 20561 SmartAudio HD: I/O error D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640*480 -i video="Integr
ated Camera":audio="Conexant 20561 SmartAudio HD" -vcodec libx264 -b 600k -vpre slow -acodec libfaac
-ab 128k -f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0-507aab7e9f
4ffac088a294e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow @ 000000000033b8c0] Could not find audio only device with name [Conexant 20561 SmartAudio HD]
among source devices of type audio.
[dshow @ 000000000033b8c0] Searching for audio device within video devices for Conexant 20561 SmartA
udio HD
[dshow @ 000000000033b8c0] Could not find audio only device with name [Conexant 20561 SmartAudio HD]
among source devices of type video.
video=Integrated Camera:audio=Conexant 20561 SmartAudio HD: I/O error D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640*480 -i video="Integr
ated Camera":audio="Internal Microphone" -vcodec libx264 -b 600k -vpre slow -acodec libfaac -ab 128k
-f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539737370-0-0-507aab7e9f4ffac088a
294e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow @ 000000000060b880] Could not find audio only device with name [Internal Microphone] among so
urce devices of type audio.
[dshow @ 000000000060b880] Searching for audio device within video devices for Internal Microphone
[dshow @ 000000000060b880] Could not find audio only device with name [Internal Microphone] among so
urce devices of type video.
video=Integrated Camera:audio=Internal Microphone: I/O error D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin> D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin> D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>ffmpeg -r 25 -f dshow -s 640*480 -i video="Integr
ated Camera":audio="Internal Microphone(Conexant 20561 SmartAudio HD)" -vcodec libx264 -b 600k -vpre
slow -acodec libfaac -ab 128k -f flv rtmp://streaming.test.com/testAppName/0000?auth_key=1539
737370-0-0-507aab7e9f4ffac088a294e574f63659
ffmpeg version N-92190-gb2adc31697 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181011
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --
enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine -
-enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-l
ibwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --ena
ble-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc -
-enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --
enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enab
le-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 33.100 / 58. 33.100
libavformat 58. 19.100 / 58. 19.100
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.101 / 7. 33.101
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[dshow @ 00000000003bc940] Could not RenderStream to connect pins
video=Integrated Camera:audio=Internal Microphone(Conexant 20561 SmartAudio HD): I/O error D:\ffmpeg\ffmpeg-20181016-b2adc31-win64-static\bin>
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