On 19-01-2021 10:38 pm, Reed Crowe wrote:
Still does not work.
With this command:
ffmpeg -i /home/rcrowe/LVT/17647_20210118_195325.mp4 -i
/home/rcrowe/LVT/test.mp4 -enc_time_base -1 -filter_complex psnr -f null -
I get the same results:
ffmpeg version N-100671-gc48110a4a4 Copyright (c) 2000-2021 the FFmpeg
developers
built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
configuration:
libavutil 56. 63.101 / 56. 63.101
libavcodec 58.117.101 / 58.117.101
libavformat 58. 65.101 / 58. 65.101
libavdevice 58. 11.103 / 58. 11.103
libavfilter 7. 96.100 / 7. 96.100
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/home/rcrowe/LVT/17647_20210118_195325.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : 'LVT17647'
encoder : Lavf58.20.100
Duration: 00:00:59.87, start: 0.000000, bitrate: 67 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc,
bt470bg/bt470bg/bt709), 704x480, 66 kb/s, 15.03 fps, 15 tbr, 90k tbn, 180k
tbc (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/home/rcrowe/LVT/test.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : 'LVT17647'
encoder : Lavf58.20.100
Duration: 00:00:59.87, start: 0.000000, bitrate: 67 kb/s
Stream #1:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc,
bt470bg/bt470bg/bt709), 704x480, 66 kb/s, 15.03 fps, 15 tbr, 90k tbn, 180k
tbc (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:0 (h264) -> psnr:main
Stream #1:0 (h264) -> psnr:reference
psnr -> Stream #0:0 (wrapped_avframe)
Press [q] to stop, [?] for help
[null @ 0x559c3fc0d6c0] Input stream data not available, using default time
base
Output #0, null, to 'pipe:':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
title : 'LVT17647'
encoder : Lavf58.65.101
Stream #0:0: Video: wrapped_avframe, yuvj420p(pc,
bt470bg/bt470bg/bt709, progressive), 704x480, q=2-31, 200 kb/s, 15 fps, 15
tbn (default)
Metadata:
encoder : Lavc58.117.101 wrapped_avframe
*[null @ 0x559c3fc0d6c0] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 748 >= 748*
frame= 899 fps=0.0 q=-0.0 Lsize=N/A time=00:00:59.86 bitrate=N/A
speed=79.3x
video:471kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
*[Parsed_psnr_0 @ 0x559c3fe87bc0] PSNR y:inf u:inf v:inf average:inf
min:inf max:inf*
The results are right above, on the last line. 'inf' is infinity
meaning the two inputs are identical.
Regards,
Gyan
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