I have tested the master branch from git. it also reports the same behaviour. Sorry i couldn't remove the "Disclaimer" line at the end. Please find the complete output with loglevel debug. ffmpeg -loglevel debug -c:v h264_v4l2m2m -i test.h264 -pix_fmt nv12 /tmp/out.yuv ffmpeg version N-97929-g26b4509 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 6.4.0 (GCC) configuration: --disable-stripping --enable-pic --enable-shared --enable-pthreads --cross-prefix=arm-oe-linux-gnueabi- --ld='arm-oe-linux-gnueabi-gcc -march=armv7-a -mfpu=neon -mfloat-abi=hard -fstack-protector-strong -pie -fPIE -D_FORTIFY_SOURCE=2 -Wa,--noexecstack -Wformat -Wformat-security -Werror=format-security --sysroot=/media/vvdn/data/zooj_vrcm/zooj_vrcm_64bit/src/system/hlos/poky/build/tmp-glibc/work/armv7ahf-neon-oe-linux-gnueabi/lib32-ffmpeg/1.0+git999-r0/lib32-recipe-sysroot' --cc='arm-oe-linux-gnueabi-gcc -march=armv7-a -mfpu=neon -mfloat-abi=hard -fstack-protector-strong -pie -fPIE -D_FORTIFY_SOURCE=2 -Wa,--noexecstack -Wformat -Wformat-security -Werror=format-security --sysroot=/media/vvdn/data/zooj_vrcm/zooj_vrcm_64bit/src/system/hlos/poky/build/tmp-glibc/work/armv7ahf-neon-oe-linux-gnueabi/lib32-ffmpeg/1.0+git999-r0/lib32-recipe-sysroot' --cxx='arm-oe-linux-gnueabi-g++ -march=armv7-a -mfpu=neon -mfloat-abi=hard -fstack-protector-strong -pie -fPIE -D_FORTIFY_SOURCE=2 -Wa,--noexecstack -Wformat -Wformat-security -Werror=format-security --sysroot=/media/vvdn/data/zooj_vrcm/zooj_vrcm_64bit/src/system/hlos/poky/build/tmp-glibc/work/armv7ahf-neon-oe-linux-gnueabi/lib32-ffmpeg/1.0+git999-r0/lib32-recipe-sysroot' --arch=arm --target-os=linux --enable-cross-compile --extra-cflags=' -O2 -fomit-frame-pointer -Wa,--noexecstack -fexpensive-optimizations -frename-registers -ftree-vectorize -finline-functions -finline-limit=64 -Wno-error=maybe-uninitialized -Wno-error=unused-result -march=armv7-a -mfpu=neon -mfloat-abi=hard -fstack-protector-strong -pie -fPIE -D_FORTIFY_SOURCE=2 -Wa,--noexecstack -Wformat -Wformat-security -Werror=format-security --sysroot=/media/vvdn/data/zooj_vrcm/zooj_vrcm_64bit/src/system/hlos/poky/build/tmp-glibc/work/armv7ahf-neon-oe-linux-gnueabi/lib32-ffmpeg/1.0+git999-r0/lib32-recipe-sysroot' --extra-ldflags='-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-z,relro,-z,now,-z,noexecstack' --sysroot=/media/vvdn/data/zooj_vrcm/zooj_vrcm_64bit/src/system/hlos/poky/build/tmp-glibc/work/armv7ahf-neon-oe-linux-gnueabi/lib32-ffmpeg/1.0+git999-r0/lib32-recipe-sysroot --libdir=/usr/lib --shlibdir=/usr/lib --datadir=/usr/share/ffmpeg --disable-mipsdsp --disable-mipsdspr2 --cpu=generic --pkg-config=pkg-config --enable-alsa --enable-avcodec --enable-avdevice --enable-avfilter --enable-avformat --enable-avresample --enable-bzlib --disable-libfdk-aac --enable-gpl --disable-libgsm --disable-indev=jack --disable-libvorbis --enable-lzma --disable-libmfx --disable-libmp3lame --disable-openssl --enable-postproc --disable-sdl2 --disable-libspeex --enable-swresample --enable-swscale --enable-libtheora --disable-vaapi --disable-vdpau --disable-libvpx --enable-libx264 --disable-libx265 --disable-libxcb --disable-outdev=xv --enable-zlib libavutil 56. 48.100 / 56. 48.100 libavcodec 58. 87.101 / 58. 87.101 libavformat 58. 43.100 / 58. 43.100 libavdevice 58. 9.103 / 58. 9.103 libavfilter 7. 83.100 / 7. 83.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 6.101 / 5. 6.101 libswresample 3. 6.100 / 3. 6.100 libpostproc 55. 6.100 / 55. 6.100 Splitting the commandline. Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'. Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'h264_v4l2m2m'. Reading option '-i' ... matched as input url with argument 'test.h264'. Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel format) with argument 'nv12'. Reading option '/tmp/out.yuv' ... matched as output url. Finished splitting the commandline. Parsing a group of options: global . Applying option loglevel (set logging level) with argument debug. Successfully parsed a group of options. Parsing a group of options: input url test.h264. Applying option c:v (codec name) with argument h264_v4l2m2m. Successfully parsed a group of options. Opening an input file: test.h264. [NULL @ 0xb406b310] Opening 'test.h264' for reading [file @ 0xb406bb50] Setting default whitelist 'file,crypto,data' [h264 @ 0xb406b310] Format h264 probed with size=2048 and score=51 [h264 @ 0xb406b310] Before avformat_find_stream_info() pos: 0 bytes read:32768 seeks:0 nb_streams:1 [extract_extradata @ 0xb4073c90] nal_unit_type: 9(AUD), nal_ref_idc: 0 [extract_extradata @ 0xb4073c90] nal_unit_type: 7(SPS), nal_ref_idc: 3 [extract_extradata @ 0xb4073c90] nal_unit_type: 8(PPS), nal_ref_idc: 3 [extract_extradata @ 0xb4073c90] nal_unit_type: 5(IDR), nal_ref_idc: 3 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 7(SPS), nal_ref_idc: 3 [h264 @ 0xb406c6a0] nal_unit_type: 8(PPS), nal_ref_idc: 3 [h264 @ 0xb406c6a0] nal_unit_type: 5(IDR), nal_ref_idc: 3 [h264 @ 0xb406c6a0] Format yuv420p chosen by get_format(). [h264 @ 0xb406c6a0] Reinit context to 640x368, pix_fmt: yuv420p [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406c6a0] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0xb406c6a0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0xb406b310] max_analyze_duration 5000000 reached at 5039938 microseconds st:0 [h264 @ 0xb406b310] After avformat_find_stream_info() pos: 1772544 bytes read:1802240 seeks:0 frames:78 Input #0, h264, from 'test.h264': Duration: N/A, bitrate: N/A Stream #0:0, 78, 1/1200000: Video: h264 (High), 1 reference frame, yuv420p(tv, bt709, progressive, left), 640x360 (640x368), 0/1, 15.08 fps, 15 tbr, 1200k tbn, 30 tbc Successfully opened the file. Parsing a group of options: output url /tmp/out.yuv. Applying option pix_fmt (set pixel format) with argument nv12. Successfully parsed a group of options. Opening an output file: /tmp/out.yuv. [file @ 0xb406fb40] Setting default whitelist 'file,crypto,data' Successfully opened the file. [h264_mp4toannexb @ 0xb406dd70] The input looks like it is Annex B already [h264_v4l2m2m @ 0xb42f0730] probing device /dev/video2 [h264_v4l2m2m @ 0xb42f0730] driver 'sde_rotator' on card 'sde_rotator' in splane mode [h264_v4l2m2m @ 0xb42f0730] v4l2 output format not supported [h264_v4l2m2m @ 0xb42f0730] probing device /dev/video1 [h264_v4l2m2m @ 0xb42f0730] probing device /dev/video0 [h264_v4l2m2m @ 0xb42f0730] probing device /dev/video33 [h264_v4l2m2m @ 0xb42f0730] driver 'msm_vidc_driver' on card 'msm_vidc_venc' in mplane mode [h264_v4l2m2m @ 0xb42f0730] v4l2 output format not supported [h264_v4l2m2m @ 0xb42f0730] probing device /dev/video32 [h264_v4l2m2m @ 0xb42f0730] driver 'msm_vidc_driver' on card 'msm_vidc_vdec' in mplane mode [h264_v4l2m2m @ 0xb42f0730] v4l2 output format not supported [h264_v4l2m2m @ 0xb42f0730] Could not find a valid device [h264_v4l2m2m @ 0xb42f0730] can't configure decoder Stream mapping: Stream #0:0 -> #0:0 (h264 (h264_v4l2m2m) -> rawvideo (native)) Error while opening decoder for input stream #0:0 : Operation not permitted [AVIOContext @ 0xb406fc90] Statistics: 0 seeks, 0 writeouts [AVIOContext @ 0xb4073d00] Statistics: 1802240 bytes read, 0 seeks
On Sun, May 24, 2020 at 3:43 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > Am So., 24. Mai 2020 um 08:11 Uhr schrieb Anjo John <anjo.j...@vvdntech.in > >: > > > I have been testing ffmpeg's v4l2m2m codec support in qualcomm qcs605 > SOC. > > Ffmpeg isn't able to find the output format NV12 in the v4l2 m2m device. > > Although the format NV12 is present and is listed with v4l-utils. > > > > FFMPEG version : tested 4.1.1 and 4.2.2 > > Below is the command i used for testing > > *ffmpeg -y -c:v h264_v4l2m2m -i /opt/input.h264 -pix_fmt nv12 out.yuv* > > Please test current FFmpeg git head and provide the command line > you tested together with the complete, uncut console output. > > > _Disclaimer: _© 2020 VVDN Technologies Pvt. Ltd. This e-mail > > contains PRIVILEGED AND CONFIDENTIAL INFORMATION > > Please remove this from emails sent to a public mailing list. > > Carl Eugen > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". -- *With Best Regards* *Anjo John* VVDN Technologies Pvt Ltd *Cell : *+91 9539931442 | Skype :anjojohn051 -- _Disclaimer: _© 2020 VVDN Technologies Pvt. Ltd. This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful._ _ _ _ __ _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".