I don't think DNxHD supports a resolution of 2276x1138. Try with a
sequence which is 1920x1080 or do a on-the-fly resize in ffmpeg. (I
think it's something like "-s 1920x1080")
Best Regards
Jimmy Christensen
Developer
Ghost A/S
On 18/06/12 23:02, Jacob Harris wrote:
I'm looking for some DNxHD ffmpeg help. I've stripped a more complicated
command down to its barebones to try and get rid of this error. The
error is:
Error while opening encoder for output stream #4:0 - maybe incorrect
parameters such as bit_rate, rate, width or height
As soon as I change 'dnxhd' to anything else, like 'dpx', it works. Is
this an Avid codec issue? I'm pretty sure the included libavcodec has
the lastest codecs in it. Is this an installation issue? An ffmpeg bug?
User friggin' error?
Here's the long-form output:
jacobharris@devmac001 : ~/ffmpeg
$ ./ffmpeg -i ~/sequence.*.dpx -vcodec dnxhd -f mov ~/movie.mov
ffmpeg version git-2012-06-09-04e2ac4 Copyright (c) 2000-2012 the FFmpeg
developers
built on Jun 8 2012 19:09:52 with gcc 4.2.1 (Apple Inc. build 5646)
configuration: --disable-yasm
libavutil 51. 56.100 / 51. 56.100
libavcodec 54. 25.100 / 54. 25.100
libavformat 54. 6.101 / 54. 6.101
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 78.101 / 2. 78.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
[image2 @ 0x10100f200] Stream #0: not enough frames to estimate rate;
consider increasing probesize
Input #0, image2, from '/home/jacobharris/sequence.1001.dpx':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: dpx, rgb48le, 2276x1138 [SAR 1200:1200 DAR 2:1],
25 tbr, 25 tbn, 25 tbc
File '/home/jacobharris/movie.mov' already exists. Overwrite ? [y/N] y
w:2276 h:1138 pixfmt:rgb48le tb:1/25 sar:1200/1200 sws_param:flags=2
[ffmpeg_buffersink @ 0x100f13fa0] No opaque field provided
[buffer @ 0x100f14900] w:2276 h:1138 pixfmt:rgb48le tb:1/25
sar:1200/1200 sws_param:flags=2
[ffmpeg_buffersink @ 0x100f14c00] No opaque field provided
[buffer @ 0x100f15540] w:2276 h:1138 pixfmt:rgb48le tb:1/25
sar:1200/1200 sws_param:flags=2
[ffmpeg_buffersink @ 0x100f15840] No opaque field provided
[buffer @ 0x100f16140] w:2276 h:1138 pixfmt:rgb48le tb:1/25
sar:1200/1200 sws_param:flags=2
[ffmpeg_buffersink @ 0x100f16440] No opaque field provided
[buffer @ 0x100f16d60] w:2276 h:1138 pixfmt:rgb48le tb:1/25
sar:1200/1200 sws_param:flags=2
[ffmpeg_buffersink @ 0x100f17060] No opaque field provided
[format @ 0x100f172e0] auto-inserting filter 'auto-inserted scaler 0'
between the filter 'Parsed_null_0' and the filter 'format'
[auto-inserted scaler 0 @ 0x100f17660] w:2276 h:1138 fmt:rgb48le
sar:1200/1200 -> w:2276 h:1138 fmt:yuv422p sar:1/1 flags:0x4
[dnxhd @ 0x101067800] video parameters incompatible with DNxHD
Output #0, image2, to '/home/jacobharris/sequence.1002.dpx':
Stream #0:0: Video: dpx, rgb48le, 2276x1138 [SAR 1200:1200 DAR 2:1],
q=2-31, 200 kb/s, 90k tbn, 25 tbc
Output #1, image2, to '/home/jacobharris/sequence.1003.dpx':
Stream #1:0: Video: dpx, rgb48le, 2276x1138 [SAR 1200:1200 DAR 2:1],
q=2-31, 200 kb/s, 90k tbn, 25 tbc
Output #2, image2, to '/home/jacobharris/sequence.1004.dpx':
Stream #2:0: Video: dpx, rgb48le, 2276x1138 [SAR 1200:1200 DAR 2:1],
q=2-31, 200 kb/s, 90k tbn, 25 tbc
Output #3, image2, to '/home/jacobharris/sequence.1005.dpx':
Stream #3:0: Video: dpx, rgb48le, 2276x1138 [SAR 1200:1200 DAR 2:1],
q=2-31, 200 kb/s, 90k tbn, 25 tbc
Output #4, mov, to '/home/jacobharris/movie.mov':
Stream #4:0: Video: dnxhd, yuv422p, 2276x1138 [SAR 1:1 DAR 2:1],
q=2-1024, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (dpx -> dpx)
Stream #0:0 -> #1:0 (dpx -> dpx)
Stream #0:0 -> #2:0 (dpx -> dpx)
Stream #0:0 -> #3:0 (dpx -> dpx)
Stream #0:0 -> #4:0 (dpx -> dnxhd)
Error while opening encoder for output stream #4:0 - maybe incorrect
parameters such as bit_rate, rate, width or height
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