On Tue, 15 Oct 2024 at 17:11, Shane Warren <sha...@innovsys.com> wrote:
> -----Original Message----- > From: ffmpeg-user <ffmpeg-user-boun...@ffmpeg.org> On Behalf Of Dennis > Mungai > Sent: Monday, October 14, 2024 4:50 PM > To: FFmpeg user questions <ffmpeg-user@ffmpeg.org> > Subject: Re: [FFmpeg-user] Intel libmfx Crash with Hardware Decoding > > > On Mon, 14 Oct 2024 at 18:57, Shane Warren <sha...@innovsys.com> wrote: > > >> I have a system with Intel Flex 140 cards and use ffmpeg to transcode > >> video on an Ubuntu 22.x system. Through a lot of testing, I have come > >> up with a flow that handles multicast h264 input (decoding using > >> vaapi) with > >> h264/h265 output using QSV. I wanted to use QSV decoding but if I used > >> QSV decoding and QSV encoding, but QSV decoding seems to strip A53 > >> captions (which I need). > >> > >> I found one input stream that eventually crashes the vaapi decoder > >> inside of libmfx. > >> > >> The call stack ends up in some function in libfmx: > >> > >> Program terminated with signal SIGSEGV, Segmentation fault. > >> > >> #0 0x00007f14b22d9f88 in ?? () from > >> /usr/lib/x86_64-linux-gnu/libmfx-gen.so.1.2.10 > >> > >> Is there a way to get symbols for libmfx so I can get a better bug > >> report, or some suggestion on how to debug this. > >> > >> I have switched this stream to software decoding then QSV encoding, > >> and it is stable but obviously uses a bit more cpu. > >> > >> An extra question is: Will the QSV hardware decoder ever support > >> passing through a53 captions? > >> > >> Thanks, > >> > >> Shane Warren > >> > > > Full ffmpeg command and uncut console output would help in understanding > what's going on in your setup. > > Full ffmpeg command and full output follows (I can upload the ts file that > makes it core dump if needed): > > root@restarttv:~# ffmpeg -y -threads 2 -nostats -loglevel verbose -fflags > +genpts -fflags discardcorrupt -hwaccel vaapi -vaapi_device > /dev/dri/renderD130 -hwaccel_output_format vaapi -extra_hw_frames 2 > -init_hw_device qsv=hw3 -filter_hw_device hw3 -i /tmp/crash-intel.ts > -filter:a:0 "aresample=async=10000" -c:a:0 aac -ac:a:0 2 -ar:a:0 48000 > -b:a:0 192k -flush_packets 0 -filter_complex > "[0:v:0]hwmap=derive_device=qsv,vpp_qsv=deinterlace=2:w=1280:h=720,fps=60000/1001,format=yuv420p[vout]" > -map "[vout]" -map "0:a:0" -map 0:d? -c:v h264_qsv -b:v 4000k -minrate:v > 4000k -maxrate:v 4000k -bufsize:v 8000k -scenario livestreaming -strict_gop > 1 -forced_idr 1 -profile:v high -level:v 4.2 -bf:v 0 -g:v 30 -f mpegts > -muxrate 4953560 -pes_payload_size 1528 /tmp/intel-output.ts > > ffmpeg version N-112548-g48a1b7005d Copyright (c) 2000-2023 the FFmpeg > developers > built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) > configuration: --nvcc=/usr/local/cuda/bin/nvcc --enable-debug > --disable-shared --enable-static --enable-version3 --arch=x86_64 > --target-os=linux --enable-cuda --enable-cuvid --enable-nvenc --enable-gpl > --enable-nonfree --enable-runtime-cpudetect --enable-libnpp > --extra-cflags='-I/usr/local/cuda/include --static' > --extra-ldflags=-L/usr/local/cuda/lib64 --enable-gpl --enable-cuda-nvcc > --enable-libfreetype --enable-libvpl --enable-ffnvcodec --enable-cuda-llvm > --disable-ffplay --pkg-config-flags=--static --enable-libnpp-static > --enable-opengl --enable-filter=gltransition --extra-libs='-lGLEW -lEGL' > --logfile=./config.log --enable-libfreetype --enable-libharfbuzz > --enable-libsrt > libavutil 58. 37.100 / 58. 37.100 > libavcodec 60. 30.102 / 60. 30.102 > libavformat 60. 15.101 / 60. 15.101 > libavdevice 60. 2.101 / 60. 2.101 > libavfilter 9. 11.100 / 9. 11.100 > libswscale 7. 4.100 / 7. 4.100 > libswresample 4. 11.100 / 4. 11.100 > libpostproc 57. 2.100 / 57. 2.100 > [AVHWDeviceContext @ 0x55c1ddf49b40] libva: VA-API version 1.20.0 > [AVHWDeviceContext @ 0x55c1ddf49b40] libva: Trying to open > /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > [AVHWDeviceContext @ 0x55c1ddf49b40] libva: Found init function > __vaDriverInit_1_20 > [AVHWDeviceContext @ 0x55c1ddf49b40] libva: va_openDriver() returns 0 > [AVHWDeviceContext @ 0x55c1ddf49b40] Initialised VAAPI connection: version > 1.20 > [AVHWDeviceContext @ 0x55c1ddf49b40] VAAPI driver: Intel iHD driver for > Intel(R) Gen Graphics - 23.4.3 (). > [AVHWDeviceContext @ 0x55c1ddf49b40] Driver not found in known nonstandard > list, using standard behaviour. > [AVHWDeviceContext @ 0x55c1ddf7b080] Trying to use DRM render node for > device 0. > [AVHWDeviceContext @ 0x55c1ddf7b080] libva: VA-API version 1.20.0 > [AVHWDeviceContext @ 0x55c1ddf7b080] libva: User requested driver 'iHD' > [AVHWDeviceContext @ 0x55c1ddf7b080] libva: Trying to open > /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > [AVHWDeviceContext @ 0x55c1ddf7b080] libva: Found init function > __vaDriverInit_1_20 > [AVHWDeviceContext @ 0x55c1ddf7b080] libva: va_openDriver() returns 0 > [AVHWDeviceContext @ 0x55c1ddf7b080] Initialised VAAPI connection: version > 1.20 > [AVHWDeviceContext @ 0x55c1ddf7b080] VAAPI driver: Intel iHD driver for > Intel(R) Gen Graphics - 23.4.3 (). > [AVHWDeviceContext @ 0x55c1ddf7b080] Driver not found in known nonstandard > list, using standard behaviour. > [AVHWDeviceContext @ 0x55c1ddf78680] Use Intel(R) oneVPL to create MFX > session, API version is 2.9, the required implementation version is 1.3 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > [AVHWDeviceContext @ 0x55c1ddf78680] Initialize MFX session: > implementation version is 2.10 > [Parsed_fps_2 @ 0x55c1de1e5c40] 0 frames in, 0 frames out; 0 frames > dropped, 0 frames duplicated. > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] non-existing PPS 0 referenced > Last message repeated 1 times > [h264 @ 0x55c1de19a480] decode_slice_header error > [h264 @ 0x55c1de19a480] no frame! > [h264 @ 0x55c1de19a480] Reinit context to 1280x720, pix_fmt: yuv420p > [mpegts @ 0x55c1de1f8ac0] max_analyze_duration 5000000 reached at 5013333 > microseconds st:1 > [mpegts @ 0x55c1de1f8ac0] start time for stream 2 is not set in > estimate_timings_from_pts > Selecting decoder 'h264' because of requested hwaccel method vaapi > Input #0, mpegts, from '/tmp/crash-intel.ts': > Duration: 00:00:29.14, start: 26553.922556, bitrate: 6855 kb/s > Program 1 > Metadata: > service_name : Service01 > service_provider: FFmpeg > Stream #0:0[0x100]: Video: h264 (High), 1 reference frame ([27][0][0][0] > / 0x001B), yuv420p(tv, bt709, progressive, left), 1280x720 [SAR 1:1 DAR > 16:9], Closed Captions, 59.94 fps, 59.94 tbr, 90k tbn > Stream #0:1[0x101](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 > Hz, stereo, fltp, 193 kb/s > Stream #0:2[0x102]: Data: scte_35 > [out#0/mpegts @ 0x55c1df079c80] Adding streams from explicit maps... > [out#0/mpegts @ 0x55c1df079c80] Creating output stream from an explicitly > mapped complex filtergraph 0, output [vout] > [vost#0:0/h264_qsv @ 0x55c1dee9dec0] Created video stream from complex > filtergraph 0:[format:default] > [vost#0:0/h264_qsv @ 0x55c1dee9dec0] > [aost#0:1/aac @ 0x55c1de151700] Created audio stream from input stream 0:1 > [dost#0:2/copy @ 0x55c1de291840] Created data stream from input stream 0:2 > Stream mapping: > Stream #0:0 (h264) -> hwmap:default (graph 0) > format:default (graph 0) -> Stream #0:0 (h264_qsv) > Stream #0:1 -> #0:1 (aac (native) -> aac (native)) > Stream #0:2 -> #0:2 (copy) > Press [q] to stop, [?] for help > [graph_1_in_0_1 @ 0x55c1de750b40] tb:1/48000 samplefmt:fltp > samplerate:48000 chlayout:stereo > [Parsed_aresample_0 @ 0x55c1de1c4900] ch:2 chl:stereo fmt:fltp r:48000Hz > -> ch:2 chl:stereo fmt:fltp r:48000Hz > [h264 @ 0x55c1de2513c0] Reinit context to 1280x720, pix_fmt: vaapi > [graph 0 input from stream 0:0 @ 0x55c1de20a040] w:1280 h:720 pixfmt:vaapi > tb:1/90000 fr:60000/1001 sar:1/1 > [auto_scale_0 @ 0x55c1de1f4180] w:iw h:ih flags:'' interl:0 > [Parsed_format_3 @ 0x55c1dee0c280] auto-inserting filter 'auto_scale_0' > between the filter 'Parsed_fps_2' and the filter 'Parsed_format_3' > [auto_scale_1 @ 0x55c1defb3240] w:iw h:ih flags:'' interl:0 > [format @ 0x55c1de1c5780] auto-inserting filter 'auto_scale_1' between the > filter 'Parsed_format_3' and the filter 'format' > [AVHWDeviceContext @ 0x55c1de113600] Use Intel(R) oneVPL to create MFX > session, API version is 2.9, the required implementation version is 1.3 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.20.0 > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > [AVHWDeviceContext @ 0x55c1de113600] Initialize MFX session: > implementation version is 2.10 > [Parsed_vpp_qsv_1 @ 0x55c1de758c00] Use Intel(R) oneVPL to create MFX > session with the specified MFX loader > [Parsed_vpp_qsv_1 @ 0x55c1de758c00] VPP: input is video memory surface > [Parsed_vpp_qsv_1 @ 0x55c1de758c00] VPP: output is system memory surface > [Parsed_fps_2 @ 0x55c1de1e4980] fps=60000/1001 > [auto_scale_0 @ 0x55c1de1f4180] w:1280 h:720 fmt:nv12 sar:1/1 -> w:1280 > h:720 fmt:yuv420p sar:1/1 flags:0x00000004 > [auto_scale_1 @ 0x55c1defb3240] w:1280 h:720 fmt:yuv420p sar:1/1 -> w:1280 > h:720 fmt:nv12 sar:1/1 flags:0x00000004 > [Parsed_fps_2 @ 0x55c1de1e4980] Set first pts to 33 > [auto_scale_0 @ 0x55c1de1f4180] w:1280 h:720 fmt:nv12 sar:1/1 -> w:1280 > h:720 fmt:yuv420p sar:1/1 flags:0x00000004 > Last message repeated 2 times > [auto_scale_1 @ 0x55c1defb3240] w:1280 h:720 fmt:yuv420p sar:1/1 -> w:1280 > h:720 fmt:nv12 sar:1/1 flags:0x00000004 > Last message repeated 2 times > [h264_qsv @ 0x55c1de150b00] Using device hw3 (type qsv) with h264_qsv > encoder. > [h264_qsv @ 0x55c1de150b00] Encoder: input is system memory surface > [h264_qsv @ 0x55c1de150b00] Use Intel(R) oneVPL to create MFX session with > the specified MFX loader > [h264_qsv @ 0x55c1de150b00] Using the constant bitrate (CBR) ratecontrol > method > [h264_qsv @ 0x55c1de150b00] profile: avc high; level: 32 > [h264_qsv @ 0x55c1de150b00] GopPicSize: 30; GopRefDist: 1; GopOptFlag: > closed; IdrInterval: 0 > [h264_qsv @ 0x55c1de150b00] TargetUsage: 4; RateControlMethod: CBR > [h264_qsv @ 0x55c1de150b00] BufferSizeInKB: 1000; InitialDelayInKB: 750; > TargetKbps: 4000; MaxKbps: 4000; BRCParamMultiplier: 1 > [h264_qsv @ 0x55c1de150b00] NumSlice: 1; NumRefFrame: 2 > [h264_qsv @ 0x55c1de150b00] RateDistortionOpt: OFF > [h264_qsv @ 0x55c1de150b00] RecoveryPointSEI: OFF > [h264_qsv @ 0x55c1de150b00] VDENC: ON > [h264_qsv @ 0x55c1de150b00] Entropy coding: CABAC; MaxDecFrameBuffering: 2 > [h264_qsv @ 0x55c1de150b00] NalHrdConformance: ON; SingleSeiNalUnit: ON; > VuiVclHrdParameters: OFF VuiNalHrdParameters: ON > [h264_qsv @ 0x55c1de150b00] FrameRateExtD: 1001; FrameRateExtN: 60000 > [h264_qsv @ 0x55c1de150b00] IntRefType: 0; IntRefCycleSize: 0; > IntRefQPDelta: 0 > [h264_qsv @ 0x55c1de150b00] MaxFrameSize: 0; MaxSliceSize: 0 > [h264_qsv @ 0x55c1de150b00] BitrateLimit: OFF; MBBRC: OFF; ExtBRC: OFF > [h264_qsv @ 0x55c1de150b00] Trellis: auto > [h264_qsv @ 0x55c1de150b00] RepeatPPS: OFF; NumMbPerSlice: 0; LookAheadDS: > 2x > [h264_qsv @ 0x55c1de150b00] AdaptiveI: OFF; AdaptiveB: OFF; BRefType:off > [h264_qsv @ 0x55c1de150b00] MinQPI: 0; MaxQPI: 0; MinQPP: 0; MaxQPP: 0; > MinQPB: 0; MaxQPB: 0 > [h264_qsv @ 0x55c1de150b00] DisableDeblockingIdc: 0 > [h264_qsv @ 0x55c1de150b00] SkipFrame: no_skip > [h264_qsv @ 0x55c1de150b00] PRefType: simple > [h264_qsv @ 0x55c1de150b00] TransformSkip: unknown > [h264_qsv @ 0x55c1de150b00] IntRefCycleDist: 0 > [h264_qsv @ 0x55c1de150b00] LowDelayBRC: OFF > [h264_qsv @ 0x55c1de150b00] MaxFrameSizeI: 0; MaxFrameSizeP: 0 > [h264_qsv @ 0x55c1de150b00] ScenarioInfo: 4 > Automatically inserted bitstream filter 'scte35ptsadjust'; args='' > [mpegts @ 0x55c1de167180] service 1 using PCR in pid=256, pcr_period=20ms > [mpegts @ 0x55c1de167180] muxrate 4953560, sdt every 500 ms, pat/pmt every > 100 ms > Output #0, mpegts, to '/tmp/intel-output.ts': > Metadata: > encoder : Lavf60.15.101 > Stream #0:0: Video: h264, 1 reference frame, nv12(tv, bt709, > progressive, left), 1280x720 (0x0) [SAR 1:1 DAR 16:9], q=2-31, 4000 kb/s, > 59.94 fps, 90k tbn > Metadata: > encoder : Lavc60.30.102 h264_qsv > Side data: > cpb: bitrate max/min/avg: 4000000/4000000/4000000 buffer size: > 8000000 vbv_delay: N/A > Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp, delay 1024, > 192 kb/s > Metadata: > encoder : Lavc60.30.102 aac > Stream #0:2: Data: scte_35 > Segmentation fault (core dumped) > Please upload the sample source file triggering the segfault. Also, test with these variants: 1. Initializing a QSV instance from VAAPI. ffmpeg -y -threads 2 -nostats -loglevel verbose -fflags +genpts -fflags discardcorrupt -hwaccel vaapi -init_hw_device vaapi=va:/dev/dri/renderD130 -hwaccel_output_format vaapi -extra_hw_frames 2 -init_hw_device qsv=qs@va -filter_hw_device qs -autorotate 0 -i /tmp/crash-intel.ts -autoscale 0 -filter:a:0 "aresample=async=10000" -c:a:0 aac -ac:a:0 2 -ar:a:0 48000 -b:a:0 192k -flush_packets 0 -filter_complex "[0:v:0]vpp_qsv=deinterlace=2:w=1280:h=720,fps=60000/1001,format=yuv420p[vout]" -map "[vout]" -map "0:a:0" -map 0:d? -c:v h264_qsv -b:v 4000k -minrate:v 4000k -maxrate:v 4000k -bufsize:v 8000k -scenario livestreaming -strict_gop 1 -forced_idr 1 -profile:v high -level:v 4.2 -bf:v 0 -g:v 30 -f mpegts -muxrate 4953560 -pes_payload_size 1528 /tmp/intel-output.ts 2. Using hwmap to derive QSV from VAAPI H/W: ffmpeg -y -threads 2 -nostats -loglevel verbose -fflags +genpts -fflags discardcorrupt -hwaccel vaapi -init_hw_device vaapi=va:/dev/dri/renderD130 -hwaccel_output_format vaapi -extra_hw_frames 2 -filter_hw_device va -autorotate 0 -i /tmp/crash-intel.ts -autoscale 0 -filter:a:0 "aresample=async=10000" -c:a:0 aac -ac:a:0 2 -ar:a:0 48000 -b:a:0 192k -flush_packets 0 -filter_complex "[0:v:0]hwmap=derive_device=qsv,format=qsv,vpp_qsv=deinterlace=2:w=1280:h=720,fps=60000/1001,format=yuv420p[vout]" -map "[vout]" -map "0:a:0" -map 0:d? -c:v h264_qsv -b:v 4000k -minrate:v 4000k -maxrate:v 4000k -bufsize:v 8000k -scenario livestreaming -strict_gop 1 -forced_idr 1 -profile:v high -level:v 4.2 -bf:v 0 -g:v 30 -f mpegts -muxrate 4953560 -pes_payload_size 1528 /tmp/intel-output.ts 3. Using hwupload to derive QSV from VAAPI H/W: The extra_hw_frames argument is now passed directly to hwupload's derive_device option, with the value of 64. ffmpeg -y -threads 2 -nostats -loglevel verbose -fflags +genpts -fflags discardcorrupt -hwaccel vaapi -init_hw_device vaapi=va:/dev/dri/renderD130 -hwaccel_output_format vaapi -filter_hw_device va -autorotate 0 -i /tmp/crash-intel.ts -autoscale 0 -filter:a:0 "aresample=async=10000" -c:a:0 aac -ac:a:0 2 -ar:a:0 48000 -b:a:0 192k -flush_packets 0 -filter_complex "[0:v:0]hwupload=derive_device=qsv:extra_hw_frames=64,format=qsv,vpp_qsv=deinterlace=2:w=1280:h=720,fps=60000/1001,format=yuv420p[vout]" -map "[vout]" -map "0:a:0" -map 0:d? -c:v h264_qsv -b:v 4000k -minrate:v 4000k -maxrate:v 4000k -bufsize:v 8000k -scenario livestreaming -strict_gop 1 -forced_idr 1 -profile:v high -level:v 4.2 -bf:v 0 -g:v 30 -f mpegts -muxrate 4953560 -pes_payload_size 1528 /tmp/intel-output.ts Extra parameters added: (a). -autororate 0 : This disables the automatic rotation of the video according to file metadata. Known to make some H/W decoders to misbehave. (b). -noautoscale : Used to prevent the automatic insertion of a scale filter in the pipeline(s), ensuring better resilience against crashes due to changing input resolutions with *some* encoder & decoder combinations. Test and report back. _______________________________________________ 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".
