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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Sat, 2022-11-26 at 02:54 +0000, Soft Works wrote: > > -----Original Message----- > > From: ffmpeg-devel On Behalf Of > > James Almer > > Sent: Saturday, November 26, 2022 3:36 AM > > To: ffmpeg-devel@ffmpeg.org > > Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't support > > P010 format > > > > On 11/25/2022 11:31 PM, Soft Works wrote: > > > > > > > -----Original Message----- > > > > From: ffmpeg-devel On Behalf Of > > > > James Almer > > > > Sent: Saturday, November 26, 2022 2:01 AM > > > > To: ffmpeg-devel@ffmpeg.org > > > > Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't > > support > > > > P010 format > > > > > > > > On 11/25/2022 9:58 PM, Soft Works wrote: > > > > > > > > > > > -----Original Message----- > > > > > > From: ffmpeg-devel On Behalf > > Of > > > > > > James Almer > > > > > > Sent: Saturday, November 26, 2022 12:58 AM > > > > > > To: ffmpeg-devel@ffmpeg.org > > > > > > Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't > > > > support > > > > > > P010 format > > > > > > > > > > > > On 11/25/2022 8:51 PM, Soft Works wrote: > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > From: ffmpeg-devel On Behalf > > > > Of > > > > > > > > James Almer > > > > > > > > Sent: Saturday, November 26, 2022 12:35 AM > > > > > > > > To: ffmpeg-devel@ffmpeg.org > > > > > > > > Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_h264: don't > > > > > > support > > > > > > > > P010 format > > > > > > > > > > > > > > > > On 11/25/2022 8:26 PM, Dong, Ruijing wrote: > > > > > > > > > [AMD Official Use Only - General] > > > > > > > > > > > > > > > > > > Will it make sense to accept P010 input, however encode to > > h264 > > > > > > > > 8bit? > > > > > > > > > > > > > > > > If it works (the encoder accepts the 10 bit input even if it > > > > > > encodes > > > > > > > > it > > > > > > > > as 8bit), then i don't see why not. I assume it would also be > > > > > > faster > > > > > > > > than using swscale to convert said 10bit input to nv12 before > > > > > > passing > > > > > > > > that to the encoder. > > > > > > > > > > > > > > > > Removing support for a pixel format as input in an encoder > > needs > > > > a > > > > > > > > reason other than "It's rarely used", more so when it's a > > single > > > > > > > > line. > > > > > > > > It either needs to not work, or somehow get in the way of > > > > further > > > > > > > > improvements. > > > > > > > > > > > > > > Oh sorry, I noticed that there was a misunderstanding. > > > > > > > > > > > > > > When I said "It's rarely used", I didn't mean that as a > > > > > > justification > > > > > > > for the removal, it was meant as an explanation why none of the > > > > > > > hwaccels has implemented it. > > > > > > > > > > > > > > softworkz > > > > > > > > > > > > Alright, then i'll repeat my question: Does it work? > > > > > > > > > > No. > > > > > > > > What does this encoder currently do when you feed it p010 input? > > What > > > > does it output? > > > > > > An error: > > > > > > > > > 1. 10bit from HW context: > > > > > > > > > [graph 0 video input from stream 0:0 @ 000001dc301aeec0] w:3840 > > h:2160 pixfmt:yuv420p10le tb:1/60000 fr:60000/1001 sar:1/1 > > > [auto_scale_0 @ 000001dc2362a700] w:iw h:ih flags:'' interl:0 > > > [hwupload@f1 @ 000001dc2944ef00] auto-inserting filter > > 'auto_scale_0' between the filter 'graph 0 video input from stream > > 0:0' and the filter 'hwupload@f1' > > > [auto_scale_0 @ 000001dc2362a700] w:3840 h:2160 fmt:yuv420p10le > > sar:1/1 -> w:3840 h:2160 fmt:p010le sar:1/1 flags:0x0 > > > [AVHWDeviceContext @ 000001dc444f9a00] D3D11 Init > > > [AVHWDeviceContext @ 000001dc444fab80] D3D11 Init > > > [vpp_qsv@f2 @ 000001dc22a3d880] VPP: input is video memory surface > > > [vpp_qsv@f2 @ 000001dc22a3d880] VPP: output is video memory surface > > > [auto_scale_0 @ 000001dc2362a700] w:3840 h:2160 fmt:yuv420p10le > > sar:1/1 -> w:3840 h:2160 fmt:p010le sar:1/1 flags:0x0 > > > Last message repeated 2 times > > > [h264_qsv @ 000001dc161b6040] Using input frames context (format > > qsv) with h264_qsv encoder. > > > [h264_qsv @ 000001dc161b6040] Encoder: input is video memory > > surface > > > [h264_qsv @ 000001dc161b6040] Using the average variable bitrate > > (AVBR) ratecontrol method > > > [h264_qsv @ 000001dc161b6040] Current pixel format is unsupported > > > [h264_qsv @ 000001dc161b6040] some encoding parameters are not > > supported by the QSV runtime. Please double check the input > > parameters. > > > Error initializing output stream 0:0 -- Error while opening encoder > > for output stream #0:0 - maybe incorrect parameters such as bit_rate, > > rate, width or height > > > [AVHWDeviceContext @ 000001dc444f9a00] D3D11 Uninit > > > [AVIOContext @ 000001dc16197c80] Statistics: 0 bytes written, 0 > > seeks, 0 writeouts > > > [AVHWDeviceContext @ 000001dc444fab80] D3D11 Uninit > > > [AVIOContext @ 000001dc161839c0] Statistics: 131146 bytes read, 2 > > seeks > > > Conversion failed! > > > > > > > > > 2. 10bit from SW context: > > > > > > > > > [graph 0 video input from stream 0:0 @ 0000019e915dee00] w:3840 > > h:2160 pixfmt:yuv420p10le tb:1/60000 fr:60000/1001 sar:1/1 > > > [auto_scale_0 @ 0000019ee99936c0] w:iw h:ih flags:'' interl:0 > > > [format @ 0000019ee9993240] auto-inserting filter 'auto_scale_0' > > between the filter 'Parsed_null_0' and the filter 'format' > > > [auto_scale_0 @ 0000019ee99936c0] w:3840 h:2160 fmt:yuv420p10le > > sar:1/1 -> w:3840 h:2160 fmt:p010le sar:1/1 flags:0x0 > > > Last message repeated 3 times > > > [h264_qsv @ 0000019ee9995dc0] Using device qd1 (type qsv) with > > h264_qsv encoder. > > > [h264_qsv @ 0000019ee9995dc0] Encoder: input is system memory > > surface > > > [h264_qsv @ 0000019ee9995dc0] Using the average variable bitrate > > (AVBR) ratecontrol method > > > [h264_qsv @ 0000019ee9995dc0] Current pixel format is unsupported > > > [h264_qsv @ 0000019ee9995dc0] some encoding parameters are not > > supported by the QSV runtime. Please double check the input > > parameters. > > > Error initializing output stream 0:0 -- Error while opening encoder > > for output stream #0:0 - maybe incorrect parameters such as bit_rate, > > rate, width or height > > > [AVIOContext @ 0000019ef62b4000] Statistics: 0 bytes written, 0 > > seeks, 0 writeouts > > > [AVIOContext @ 0000019ee995abc0] Statistics: 131146 bytes read, 2 > > seeks > > > Conversion failed! > > > > > > softworkz > > > > Alright, thanks for testing it. The commit message should mention the > > pixel format is being removed as it's unsupported, then. > > The QuickSync architecture does not have any scaling/color conversion > capabilities at the encoder stage. There's the VPP filtering and they > also have a decoder-size fixed-function scaling which is separate from > VPP scaling (similar to CUVID). It's not yet exposed via ffmpeg, though. > > Generally - when other video processing is required, it doesn't make > much sense to do encoder-side scaling/conversion. You'll rather > want to scale down first and then do the other processing on the > smaller frames. > > The only case where I've seen an encoder-side scaling feature is > MediaCodec, but well - there's no custom processing anyway. > Right, P010 is not supported by h264_qsv encoder, I'll update the commit message. Thanks Haihao _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".