[FFmpeg-trac] #7778(avcodec:new): Visual artifacts when decoding with h264_cuvid

FFmpeg trac at avcodec.org
Fri Mar 8 21:15:43 EET 2019 

#7778: Visual artifacts when decoding with h264_cuvid
---------------------------------+--------------------------------------
             Reporter:  Ilya87   |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  avcodec  |                  Version:  git-master
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+--------------------------------------
 Visualartifacts appear when decoding with cuvid, not with h264 software
 decooder. File is lossles h264, created with
 -c:v libx264 -preset medium -crf 0 command.
 How to reproduce:
 {{{
 % ffplay -loglevel debug -vcodec h264_cuvid /home/ilya/sample.mkv

 ffplay version N-93302-g147ef1d947 Copyright (c) 2003-2019 the FFmpeg
 developers
   built with gcc 8.2.1 (GCC) 20181127
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl
 --enable-ladspa --enable-libaom --enable-libass --enable-libbluray
 --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm
 --enable-libiec61883 --enable-libjack --enable-libmodplug --enable-
 libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-
 libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-
 libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-
 libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid
 --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-
 libvmaf --extra-cflags='-march=native -mtune=native -g0 -O3' --extra-
 cxxflags='-march=native -mtune=native -g0 -O3' --enable-version3
   libavutil      56. 26.100 / 56. 26.100
   libavcodec     58. 47.103 / 58. 47.103
   libavformat    58. 26.101 / 58. 26.101
   libavdevice    58.  6.101 / 58.  6.101
   libavfilter     7. 48.100 /  7. 48.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
   libpostproc    55.  4.100 / 55.  4.100
 Input #0, matroska,webm, from '/home/ilya/sample.mkv':   0B f=0/0
   Metadata:
     encoder         : libebml v1.3.6 + libmatroska v1.4.9
     creation_time   : 2019-03-08T18:53:31.000000Z
   Duration: 00:00:49.63, start: 0.000000, bitrate: 30671 kb/s
     Stream #0:0: Video: h264 (High 4:4:4 Predictive),
 yuv420p(progressive), 1132x482 [SAR 1:1 DAR 566:241], 23.98 fps, 23.98
 tbr, 1k tbn, 47.95 tbc (default)
     Metadata:
       BPS-eng         : 30668755
       DURATION-eng    : 00:00:49.633000000
       NUMBER_OF_FRAMES-eng: 1190
       NUMBER_OF_BYTES-eng: 190272794
       _STATISTICS_WRITING_APP-eng: mkvmerge v31.0.0 ('Dolores In A
 Shoestand') 64-bit
       _STATISTICS_WRITING_DATE_UTC-eng: 2019-03-08 18:53:31
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
     nan M-V:    nan fd=   0 aq=    0KB vq= 4446KB sq=    0B f=0/0
 [ilya at FORTRESS ~]$ ffplay -loglevel debug -vcodec h264_cuvid
 /home/ilya/sample.mkv
 ffplay version N-93302-g147ef1d947 Copyright (c) 2003-2019 the FFmpeg
 developers
   built with gcc 8.2.1 (GCC) 20181127
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl
 --enable-ladspa --enable-libaom --enable-libass --enable-libbluray
 --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm
 --enable-libiec61883 --enable-libjack --enable-libmodplug --enable-
 libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-
 libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-
 libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-
 libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid
 --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-
 libvmaf --extra-cflags='-march=native -mtune=native -g0 -O3' --extra-
 cxxflags='-march=native -mtune=native -g0 -O3' --enable-version3
   libavutil      56. 26.100 / 56. 26.100
   libavcodec     58. 47.103 / 58. 47.103
   libavformat    58. 26.101 / 58. 26.101
   libavdevice    58.  6.101 / 58.  6.101
   libavfilter     7. 48.100 /  7. 48.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
   libpostproc    55.  4.100 / 55.  4.100
 Initialized opengl renderer.
 [NULL @ 0x7f1d34000b80] Opening '/home/ilya/sample.mkv' for reading
 [file @ 0x7f1d34001740] Setting default whitelist 'file,crypto'
 [matroska,webm @ 0x7f1d34000b80] Format matroska,webm probed with
 size=2048 and score=100
 st:0 removing common factor 1000000 from timebase
 [matroska,webm @ 0x7f1d34000b80] Before avformat_find_stream_info() pos:
 5495 bytes read:33164 seeks:2 nb_streams:1
 [h264 @ 0x7f1d34004e00] nal_unit_type: 7(SPS), nal_ref_idc: 3
 [h264 @ 0x7f1d34004e00] nal_unit_type: 8(PPS), nal_ref_idc: 3
 [h264 @ 0x7f1d34004e00] nal_unit_type: 7(SPS), nal_ref_idc: 3
 [h264 @ 0x7f1d34004e00] nal_unit_type: 8(PPS), nal_ref_idc: 3
 [h264 @ 0x7f1d34004e00] nal_unit_type: 6(SEI), nal_ref_idc: 0
 [h264 @ 0x7f1d34004e00] nal_unit_type: 5(IDR), nal_ref_idc: 3
 [h264 @ 0x7f1d34004e00] Format yuv420p chosen by get_format().
 [h264 @ 0x7f1d34004e00] Reinit context to 1136x496, pix_fmt: yuv420p
 [h264 @ 0x7f1d34004e00] nal_unit_type: 1(Coded slice of a non-IDR
 picture), nal_ref_idc: 2
     Last message repeated 2 times
 [h264 @ 0x7f1d34004e00] nal_unit_type: 1(Coded slice of a non-IDR
 picture), nal_ref_idc: 2
     Last message repeated 2 times
 [matroska,webm @ 0x7f1d34000b80] All info foundKB sq=    0B f=0/0
 [matroska,webm @ 0x7f1d34000b80] After avformat_find_stream_info() pos:
 1040540 bytes read:1068209 seeks:2 frames:8
 Input #0, matroska,webm, from '/home/ilya/sample.mkv':
   Metadata:
     encoder         : libebml v1.3.6 + libmatroska v1.4.9
     creation_time   : 2019-03-08T18:53:31.000000Z
   Duration: 00:00:49.63, start: 0.000000, bitrate: 30671 kb/s
     Stream #0:0, 8, 1/1000: Video: h264 (High 4:4:4 Predictive), 1
 reference frame, yuv420p(progressive, left), 1132x482 (1136x496) [SAR 1:1
 DAR 566:241], 0/1, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
     Metadata:
       BPS-eng         : 30668755
       DURATION-eng    : 00:00:49.633000000
       NUMBER_OF_FRAMES-eng: 1190
       NUMBER_OF_BYTES-eng: 190272794
       _STATISTICS_WRITING_APP-eng: mkvmerge v31.0.0 ('Dolores In A
 Shoestand') 64-bit
       _STATISTICS_WRITING_DATE_UTC-eng: 2019-03-08 18:53:31
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 [h264_cuvid @ 0x7f1d340090c0] Format nv12 chosen by get_format().
 [h264_cuvid @ 0x7f1d340090c0] Loaded lib: libnvcuvid.so.1
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidGetDecoderCaps
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCreateDecoder
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidDestroyDecoder
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidDecodePicture
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidGetDecodeStatus
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidReconfigureDecoder
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidMapVideoFrame64
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidUnmapVideoFrame64
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCtxLockCreate
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCtxLockDestroy
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCtxLock
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCtxUnlock
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCreateVideoSource
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCreateVideoSourceW
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidDestroyVideoSource
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidSetVideoSourceState
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidGetVideoSourceState
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidGetSourceVideoFormat
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidGetSourceAudioFormat
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidCreateVideoParser
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidParseVideoData
 [h264_cuvid @ 0x7f1d340090c0] Loaded sym: cuvidDestroyVideoParser
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded lib: libcuda.so.1
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuInit
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceGetCount
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceGet
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceGetAttribute
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceGetName
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceComputeCapability
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuCtxCreate_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuCtxSetLimit
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuCtxPushCurrent_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuCtxPopCurrent_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuCtxDestroy_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemAlloc_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemAllocPitch_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemsetD8Async
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemFree_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemcpy2D_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMemcpy2DAsync_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGetErrorName
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGetErrorString
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuStreamCreate
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuStreamQuery
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuStreamSynchronize
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuStreamDestroy_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuStreamAddCallback
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuEventCreate
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuEventDestroy_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuEventSynchronize
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuEventQuery
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuEventRecord
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuLaunchKernel
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuModuleLoadData
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuModuleUnload
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuModuleGetFunction
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuTexObjectCreate
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuTexObjectDestroy
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGLGetDevices_v2
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGraphicsGLRegisterImage
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuGraphicsUnregisterResource
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGraphicsMapResources
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuGraphicsUnmapResources
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuGraphicsSubResourceGetMappedArray
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDeviceGetUuid
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuImportExternalMemory
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuDestroyExternalMemory
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuExternalMemoryGetMappedBuffer
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuExternalMemoryGetMappedMipmappedArray
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMipmappedArrayGetLevel
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuMipmappedArrayDestroy
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym: cuImportExternalSemaphore
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuDestroyExternalSemaphore
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuSignalExternalSemaphoresAsync
 [AVHWDeviceContext @ 0x7f1d346d2580] Loaded sym:
 cuWaitExternalSemaphoresAsync
 [h264_cuvid @ 0x7f1d340090c0] CUVID capabilities for h264_cuvid:
 [h264_cuvid @ 0x7f1d340090c0] 8 bit: supported: 1, min_width: 48,
 max_width: 4096, min_height: 16, max_height: 4096
 [h264_cuvid @ 0x7f1d340090c0] 10 bit: supported: 0, min_width: 0,
 max_width: 0, min_height: 0, max_height: 0
 [h264_cuvid @ 0x7f1d340090c0] 12 bit: supported: 0, min_width: 0,
 max_width: 0, min_height: 0, max_height: 0
 [h264_cuvid @ 0x7f1d340090c0] Format nv12 chosen by get_format().
 [h264_cuvid @ 0x7f1d340090c0] Formats: Original: nv12 | HW: nv12 | SW:
 nv12
 Video frame changed from size:0x0 format:none serial:-1 to size:1132x482
 format:nv12 serial:1
 detected 6 logical cores
 [ffplay_buffer @ 0x7f1cfc2ede40] Setting 'video_size' to value '1132x482'
 [ffplay_buffer @ 0x7f1cfc2ede40] Setting 'pix_fmt' to value '23'
 [ffplay_buffer @ 0x7f1cfc2ede40] Setting 'time_base' to value '1/1000'
 [ffplay_buffer @ 0x7f1cfc2ede40] Setting 'pixel_aspect' to value '1/1'
 [ffplay_buffer @ 0x7f1cfc2ede40] Setting 'frame_rate' to value
 '24000/1001'
 [ffplay_buffer @ 0x7f1cfc2ede40] w:1132 h:482 pixfmt:nv12 tb:1/1000
 fr:24000/1001 sar:1/1 sws_param:
 [auto_scaler_0 @ 0x7f1cfc2efa00] Setting 'flags' to value 'bicubic'
 [auto_scaler_0 @ 0x7f1cfc2efa00] w:iw h:ih flags:'bicubic' interl:0
 [ffplay_buffersink @ 0x7f1cfc2eeb80] auto-inserting filter 'auto_scaler_0'
 between the filter 'ffplay_buffer' and the filter 'ffplay_buffersink'
 [AVFilterGraph @ 0x7f1cfc2ecd80] query_formats: 2 queried, 0 merged, 1
 already done, 0 delayed
 [auto_scaler_0 @ 0x7f1cfc2efa00] picking yuv420p out of 2 ref:nv12 alpha:0
 [auto_scaler_0 @ 0x7f1cfc2efa00] w:1132 h:482 fmt:nv12 sar:1/1 -> w:1132
 h:482 fmt:yuv420p sar:1/1 flags:0x4
 Created 1132x482 texture with SDL_PIXELFORMAT_IYUV.
 [AVIOContext @ 0x7f1d34009bc0] Statistics: 8325303 bytes read, 2 seeks

 ffmpeg version N-93302-g147ef1d947
 built on Antegros Linux x86_64

 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7778>
FFmpeg <https://ffmpeg.org>
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