[FFmpeg-trac] #10099(undetermined:new): mpeg2_vaapi SAR problems
FFmpeg
trac at avcodec.org
Fri Dec 9 10:44:31 EET 2022
#10099: mpeg2_vaapi SAR problems
-------------------------------------+-------------------------------------
Reporter: Liroy2003 | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: mpeg2_vaapi | Blocked By:
vaapi sar |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug: When using mpeg2_vaapi to transcode a 720p UDP
multicast stream to i576 UDP multicast stream the SAR is giving some
errors:
[mpeg2_vaapi @ 0x55ad1ffdae40] Driver does not support some wanted packed
headers (wanted 0x3, found 0x10).
[mpeg2_vaapi @ 0x55ad1ffdae40] Sample aspect ratio 64:45 is not
representable, signalling square pixels instead.
When using other mpeg2 encoders like mpeg2video or mpeg2_qsv the SAR is
fine.
How to reproduce:
{{{
% /usr/bin/ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128
-hwaccel_output_format vaapi -i
"udp://239.200.101.6:1234fifo_size=1000000&overrun_nonfatal=1" -vf
'scale_vaapi=w=720:h=576,deinterlace_vaapi' -c:v mpeg2_vaapi -b:v 5000k
-maxrate 5000k -minrate 5000k -muxrate 6000k -pcr_period 40 -flags:v
+ildct+ilme -top 0 -aspect 16:9 -c:a mp2 -b:a 192k -f mpegts
"udp://239.123.123.2:1234?pkt_size=1316&bitrate=12000000"
ffmpeg version 5.1.2-0ubuntu1~20.04.sav1.1 Copyright (c) 2000-2022 the
FFmpeg developers
built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
configuration: --prefix=/usr --extra-version='0ubuntu1~20.04.sav1.1'
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
--disable-stripping --enable-gnutls --enable-ladspa --enable-lcms2
--enable-libaom --enable-libass --enable-libbluray --enable-libbs2b
--enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite
--enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-
libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-
libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus
--enable-libpulse --enable-librabbitmq --enable-librubberband --enable-
libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-
libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-
libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
--enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
--enable-sdl2 --enable-sndio --enable-pocketsphinx --enable-librsvg
--enable-libdav1d --enable-libjxl --enable-librist --enable-libvmaf
--enable-libzimg --enable-crystalhd --enable-libmfx --enable-libsvtav1
--enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-
chromaprint --enable-frei0r --enable-libx264 --enable-libplacebo --enable-
librav1e --enable-shared
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
libpostproc 56. 6.100 / 56. 6.100
}}}
tried different ffmpeg version on ubuntu and centos
{{{
Output when using mpeg2_vaapi:
/usr/bin/ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128
-hwaccel_output_format vaapi -i
"udp://239.200.101.6:1234fifo_size=1000000&overrun_nonfatal=1" -vf
'scale_vaapi=w=720:h=576,deinterlace_vaapi' -c:v mpeg2_vaapi -b:v 5000k
-maxrate 5000k -minrate 5000k -muxrate 6000k -pcr_period 40 -flags:v
+ildct+ilme -top 0 -aspect 16:9 -c:a mp2 -b:a 192k -f mpegts
"udp://239.123.123.2:1234?pkt_size=1316&bitrate=12000000"
Input #0, mpegts, from
'udp://239.200.101.6:1234fifo_size=1000000&overrun_nonfatal=1':
Duration: N/A, start: 95378.437922, bitrate: N/A
Program 10302
Metadata:
service_name : arte HD
service_provider: ARD
Stream #0:1[0x13f7]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50
tbr, 90k tbn
Stream #0:2[0x13f8](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
stereo, fltp, 192 kb/s
Stream #0:3[0x13fa](deu): Subtitle: dvb_teletext ([6][0][0][0] /
0x0006), 492x250
No Program
Stream #0:0[0x12]: Data: epg
Stream mapping:
Stream #0:1 -> #0:0 (h264 (native) -> mpeg2video (mpeg2_vaapi))
Stream #0:2 -> #0:1 (mp2 (native) -> mp2 (native))
Press [q] to stop, [?] for help
[h264 @ 0x55ad201ee780] co located POCs unavailable
[h264 @ 0x55ad20304540] mmco: unref short failure
[h264 @ 0x55ad20304540] number of reference frames (0+5) exceeds max (4;
probably corrupt input), discarding one
[h264 @ 0x55ad201ee780] mmco: unref short failure
[mpeg2_vaapi @ 0x55ad1ffdae40] Driver does not support some wanted packed
headers (wanted 0x3, found 0x10).
[mpeg2_vaapi @ 0x55ad1ffdae40] Sample aspect ratio 64:45 is not
representable, signalling square pixels instead.
Output #0, mpegts, to
'udp://239.123.123.2:1234?pkt_size=1316&bitrate=12000000#':
Metadata:
encoder : Lavf59.27.100
Stream #0:0: Video: mpeg2video (Main), vaapi(tv, bt709, bottom first),
720x576 [SAR 64:45 DAR 16:9], q=2-31, 5000 kb/s, 50 fps, 90k tbn
Metadata:
encoder : Lavc59.37.100 mpeg2_vaapi
Stream #0:1(deu): Audio: mp2, 48000 Hz, stereo, s16, 192 kb/s
Metadata:
encoder : Lavc59.37.100 mp2
frame= 828 fps= 61 q=-0.0 Lsize= 12848kB time=00:00:17.50
bitrate=6014.4kbits/s speed=1.28x
video:10275kB audio:402kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 20.336689%
}}}
{{{
Output when using mpeg2video:
/usr/bin/ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128
-hwaccel_output_format vaapi -i
"udp://239.200.101.6:1234fifo_size=1000000&overrun_nonfatal=1" -vf
'scale_vaapi=w=720:h=576,deinterlace_vaapi,hwdownload' -c:v mpeg2video
-b:v 5000k -maxrate 5000k -minrate 5000k -muxrate 6000k -pcr_period 40
-flags:v +ildct+ilme -top 0 -aspect 16:9 -c:a mp2 -b:a 192k -f mpegts
"udp://239.123.123.2:1234?pkt_size=1316&bitrate=12000000"
Input #0, mpegts, from
'udp://239.200.101.6:1234fifo_size=1000000&overrun_nonfatal=1':
Duration: N/A, start: 95320.077922, bitrate: N/A
Program 10302
Metadata:
service_name : arte HD
service_provider: ARD
Stream #0:1[0x13f7]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50
tbr, 90k tbn
Stream #0:2[0x13f8](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
stereo, fltp, 192 kb/s
Stream #0:3[0x13fa](deu): Subtitle: dvb_teletext ([6][0][0][0] /
0x0006), 492x250
No Program
Stream #0:0[0x12]: Data: epg
Stream mapping:
Stream #0:1 -> #0:0 (h264 (native) -> mpeg2video (native))
Stream #0:2 -> #0:1 (mp2 (native) -> mp2 (native))
Press [q] to stop, [?] for help
[h264 @ 0x55dca5d1a380] co located POCs unavailable
[h264 @ 0x55dca64714c0] mmco: unref short failure
[h264 @ 0x55dca64714c0] number of reference frames (0+5) exceeds max (4;
probably corrupt input), discarding one
[h264 @ 0x55dca5d1a380] mmco: unref short failure
[mpeg2video @ 0x55dca5c98ec0] Automatically choosing VBV buffer size of
224 kbyte
Output #0, mpegts, to
'udp://239.123.123.2:1234?pkt_size=1316&bitrate=12000000':
Metadata:
encoder : Lavf59.27.100
Stream #0:0: Video: mpeg2video (Main), yuv420p(tv, bt709, bottom first),
720x576 [SAR 64:45 DAR 16:9], q=2-31, 5000 kb/s, 50 fps, 90k tbn
Metadata:
encoder : Lavc59.37.100 mpeg2video
Side data:
cpb: bitrate max/min/avg: 5000000/5000000/5000000 buffer size:
1835008 vbv_delay: N/A
Stream #0:1(deu): Audio: mp2, 48000 Hz, stereo, s16, 192 kb/s
Metadata:
encoder : Lavc59.37.100 mp2
frame= 1559 fps= 54 q=2.5 Lsize= 23775kB time=00:00:32.44
bitrate=6003.9kbits/s speed=1.13x
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10099>
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