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Richard Stallman et le logiciel libre
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opencv ffmpeg vaapi 1080p resolution not working
18 avril 2023, par yeoI want to use hardware acceleration with opencv manual build.
My gpu uses an i965 intel cpu built-in graphics card, and it is a debain11 environment.


[OPENCV:FFMPEG:40] Reinit context to 1920x1088, pix_fmt: vaapi_vld



If you look at some of the error messages below, it seems that the original file is 1920x1080 because it is converted to 1088 while reinit.
I've read that vaapi_vld reads 16 bits at a time.
In fact, it seems to work when the original file is changed to 1920x1072.
Is there a way to fix it without changing the original file resolution ?
Please advise seniors.
Sorry for my poor English skills
Thank you


manual build CMAKE option


"-DCMAKE_VERBOSE_MAKEFILE=ON -DWITH_VA_INTEL=ON -DWITH_VA=ON -DOPENCV_FFMPEG_ENABLE_LIBAVDEVICE=ON -DOPENCV_ENABLE_GLX=ON -DOPENCV_FFMPEG_SKIP_BUILD_CHECK=ON -DWITH_OPENVINO=ON -DWITH_INF_ENGINE=ON"




build infomation


OpenCV modules:
 To be built: calib3d core dnn features2d flann gapi highgui imgcodecs imgproc ml objdetect photo python3 stitching video videoio
 Disabled: world
 Disabled by dependency: -
 Unavailable: java python2 ts
 Applications: -
 Documentation: NO
 Non-free algorithms: NO

 GUI: GTK3
 GTK+: YES (ver 3.24.24)
 GThread : YES (ver 2.66.8)
 GtkGlExt: NO
 VTK support: NO
 Media I/O: 
 ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.11)
 JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver 62)
 WEBP: /usr/lib/x86_64-linux-gnu/libwebp.so (ver encoder: 0x020e)
 PNG: /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.6.37)
 TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 / 4.2.0)
 JPEG 2000: build (ver 2.4.0)
 OpenEXR: build (ver 2.3.0)
 HDR: YES
 SUNRASTER: YES
 PXM: YES
 PFM: YES
 Video I/O:
 DC1394: YES (2.2.6)
 FFMPEG: YES
 avcodec: YES (58.91.100)
 avformat: YES (58.45.100)
 avutil: YES (56.51.100)
 swscale: YES (5.7.100)
 avresample: YES (4.0.0)
 GStreamer: YES (1.18.4)
 v4l/v4l2: YES (linux/videodev2.h)

 Parallel framework: pthreads

 Trace: YES (with Intel ITT)

 Other third-party libraries:
 Intel IPP: 2020.0.0 Gold [2020.0.0]
 VA: YES
 Lapack: NO
 Eigen: NO
 Custom HAL: NO
 Protobuf: build (3.19.1)

 OpenCL: YES (INTELVA)
 Include path: /home/xxx
 Link libraries: Dynamic load

 Python 3:
 Interpreter: /usr/bin/python3 (ver 3.9.2)
 Libraries: /usr/lib/x86_64-linux-gnu/libpython3.9.so (ver 3.9.2)
 numpy: /home/../include (ver 1.19.3)
 install path: python/cv2/python-3



vainfo


libva info: VA-API version 1.10.0
libva info: User environment variable requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_8
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.10 (libva 2.10.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Haswell Mobile - 2.4.1
vainfo: Supported profile and entrypoints
 VAProfileMPEG2Simple : VAEntrypointVLD
 VAProfileMPEG2Simple : VAEntrypointEncSlice
 VAProfileMPEG2Main : VAEntrypointVLD
 VAProfileMPEG2Main : VAEntrypointEncSlice
 VAProfileH264ConstrainedBaseline: VAEntrypointVLD
 VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
 VAProfileH264Main : VAEntrypointVLD
 VAProfileH264Main : VAEntrypointEncSlice
 VAProfileH264High : VAEntrypointVLD
 VAProfileH264High : VAEntrypointEncSlice
 VAProfileH264MultiviewHigh : VAEntrypointVLD
 VAProfileH264MultiviewHigh : VAEntrypointEncSlice
 VAProfileH264StereoHigh : VAEntrypointVLD
 VAProfileH264StereoHigh : VAEntrypointEncSlice
 VAProfileVC1Simple : VAEntrypointVLD
 VAProfileVC1Main : VAEntrypointVLD
 VAProfileVC1Advanced : VAEntrypointVLD
 VAProfileNone : VAEntrypointVideoProc
 VAProfileJPEGBaseline : VAEntrypointVLD



import os
import cv2

os.environ["OPENCV_FFMPEG_CAPTURE_OPTIONS"] = "hw_decoders_any;vaapi,vdpau" +

cap = cv2.VideoCapture(file_name,cv2.CAP_FFMPEG(cv2.CAP_PROP_HW_ACCELERATION,cv2.VIDEO_ACCELERATION_ANY)) 




error code


[ INFO:0@0.187] global /home/u/opencv-python/opencv/modules/videoio/src/videoio_registry.cpp (223) VideoBackendRegistry VIDEOIO: Enabled backends(8, sorted by priority): FFMPEG(1000); GSTREAMER(990); INTEL_MFX(980); V4L2(970); CV_IMAGES(960); CV_MJPEG(950); FIREWIRE(940); UEYE(930)
[OPENCV:FFMPEG:40] Reinit context to 1920x1088, pix_fmt: yuv420p
[OPENCV:FFMPEG:40] Trying to use DRM render node for device 0.
[OPENCV:FFMPEG:40] libva: VA-API version 1.10.0
libva: User environment variable requested driver 'i965'
libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva: Found init function __vaDriverInit_1_8
libva: va_openDriver() returns 0
Initialised VAAPI connection: version 1.10
[OPENCV:FFMPEG:40] VAAPI driver: Intel i965 driver for Intel(R) Haswell Mobile - 2.4.1.
[OPENCV:FFMPEG:40] Driver not found in known nonstandard list, using standard behaviour.
[ INFO:0@0.228] global /home/u/opencv-python/opencv/modules/videoio/src/cap_ffmpeg_hw.hpp (276) hw_check_device FFMPEG: Using vaapi video acceleration on device: Intel i965 driver for Intel(R) Haswell Mobile - 2.4.1
[ INFO:0@0.228] global /home/u/opencv-python/opencv/modules/videoio/src/cap_ffmpeg_hw.hpp (566) hw_create_device FFMPEG: Created video acceleration context (av_hwdevice_ctx_create) for vaapi on device 'default'
[ INFO:0@0.228] global /home/u/opencv-python/opencv/modules/core/src/ocl.cpp (1186) haveOpenCL Initialize OpenCL runtime...
[ INFO:0@0.228] global /home/u/opencv-python/opencv/modules/core/src/ocl.cpp (1192) haveOpenCL OpenCL: found 0 platforms
File open : ./videoplayback1.mp4
[OPENCV:FFMPEG:40] Reinit context to 1920x1088, pix_fmt: vaapi_vld
[OPENCV:FFMPEG:16] Failed to read image from surface 0x4000014: 18 (invalid parameter).
[ERROR:0@0.245] global /home/u/opencv-python/opencv/modules/videoio/src/cap_ffmpeg_impl.hpp (1575) retrieveFrame Error copying data from GPU to CPU (av_hwframe_transfer_data)
Play video ... size=1920x1080, file=./videoplayback1.mp4
[OPENCV:FFMPEG:16] Failed to read image from surface 0x4000012: 18 (invalid parameter).
[ERROR:0@0.277] global /home/u/opencv-python/opencv/modules/videoio/src/cap_ffmpeg_impl.hpp (1575) retrieveFrame Error copying data from GPU to CPU (av_hwframe_transfer_data)
OpenCV(4.6.0) Error: Assertion failed (!image.empty()) in imencode, file /home/u/opencv-python/opencv/modules/imgcodecs/src/loadsave.cpp, line 976
err = OpenCV(4.6.0) /home/u/opencv-python/opencv/modules/imgcodecs/src/loadsave.cpp:976: error: (-215:Assertion failed) !image.empty() in function 'imencode'




I tried to do video capture by ffmpeg hwacceleration with opencv, but an error message occurred


-
VLC Player shows broken HLS stream with 4k HDR10 mkv
8 avril 2023, par goodkid38I am trying to convert a 4k mkv to an HLS stream but I am not having any luck. I have tried a few ffmpeg commands to try and fix the issue but none have worked. Here are the commands I have tried.


- 

- Basic copy command :




ffmpeg -i "video.mkv" -c copy -f hls "plexTemp/out.m3u8"


- 

- Command used to see if it was an HDR color issue :




ffmpeg -i "video.mkv" -c copy -pix_fmt yuv420p10le -f hls "plexTemp/out.m3u8"

3. Command used to revert to 8 bit color :

ffmpeg -i "video.mkv" -c copy -pix_fmt yuv420p -f hls "plexTemp/out.m3u8"


- 

- I tried removing extra streams and just focusing on audio and video :




ffmpeg -i "out.mkv" -map 0:v:0 -map 0:a:1 -c copy -pix_fmt yuv420p10le -f hls "plexTemp/out.m3u8"


I also saw these warnings when running each command.
Stream HEVC is not hvc1, you should use tag:v hvc1 to set it.

And this

[matroska,webm @ 000001d7921803c0] Stream #12: not enough frames to estimate rate; consider increasing probesize
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 6 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 7 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 8 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 9 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 10 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 11 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options



So I tried increasing the
analyzeduration
andprobesize
and adding the tag like so :
ffmpeg -analyzeduration 10000000 -probesize 10000000 -i "out.mkv" -c copy -tag:v hvc1 -f hls "plexTemp/out.m3u8"


To no avail. Here is what the output looks like on VLC. It's mostly black with a few lines of color that randomly change.


On my TV I see this :




One thing I see that stands out in ffmpegs output is this :


[hls @ 00000207239a9ec0] Opening 'plexTemp/out0.ts' for writing7 bitrate= -0.0kbits/s speed=N/A
[hls @ 00000207239a9ec0] Opening 'plexTemp/out.m3u8.tmp' for writing



Here is the audio and video info on the mkv :


General
Unique ID : 92280908398971492516286250889389584022 (0x456CA80EF29B1357B572719D6EC4AE96)
Complete name : I:\video.mkv
Format : Matroska
Format version : Version 2
File size : 49.4 GiB
Duration : 1 h 39 min
Overall bit rate mode : Variable
Overall bit rate : 71.2 Mb/s
Frame rate : 23.976 FPS
Movie name : video
Encoded date : 2023-04-06 22:39:53 UTC
Writing application : MakeMKV v1.16.7 win(x64-release)
Writing library : libmakemkv v1.16.7 (1.3.10/1.5.2) win(x64-release)
Cover : Yes
Attachments : cover.jpg

Video
ID : 1
ID in the original source medium : 4113 (0x1011)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
HDR format : SMPTE ST 2086, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 1 h 39 min
Bit rate : 63.6 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.320
Stream size : 44.1 GiB (89%)
Writing library : ATEME Titan File 3.9.6 (4.9.6.2) 
Language : English
Default : No
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 140 cd/m2
Original source medium : Blu-ray

Audio #1
ID : 2
ID in the original source medium : 4352 (0x1100)
Format : DTS XLL X
Format/Info : Digital Theater Systems
Commercial name : DTS:X
Codec ID : A_DTS
Duration : 1 h 39 min
Bit rate mode : Variable
Bit rate : 4 174 kb/s
Channel(s) : 8 channels
Channel layout : C L R LFE Lb Rb Lss Rss
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 SPF)
Bit depth : 24 bits
Stream size : 2.89 GiB (6%)
Title : Surround 7.1
Language : English
Default : Yes
Forced : No
Original source medium : Blu-ray
Here is information on the HLS output:
General
Complete name : I:\out.m3u8
Format : HLS
Format profile : Media
File size : 67.4 MiB
Duration : 8 s 138 ms
Overall bit rate mode : Variable
Overall bit rate : 69.4 Mb/s
Frame rate : 23.976 FPS



And my
Here is the output of my HLS stream :


Video
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
HDR format : SMPTE ST 2086, HDR10 compatible
Muxing mode : MPEG-TS
Codec ID : 36
Duration : 8 s 49 ms
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Writing library : ATEME Titan File 3.9.6 (4.9.6.2) 
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 140 cd/m2
Source : out92.ts

Audio
ID : 257 (0x101)
Menu ID : 1 (0x1)
Format : DTS XLL X
Format/Info : Digital Theater Systems
Commercial name : DTS:X
Muxing mode : MPEG-TS
Codec ID : 130
Duration : 8 s 138 ms
Bit rate mode : Variable
Channel(s) : 8 channels
Channel layout : C L R LFE Lb Rb Lss Rss
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 SPF)
Bit depth : 24 bits
Delay relative to video : -125 ms
Language : English
Source : out92.ts