On 11/27/19 11:11 AM, Reindl Harald wrote:
Am 27.11.19 um 16:35 schrieb sean darcy:
+ strip -V
GNU strip version 2.32-29.fc31
hell, after that many hours what about upgrade binutils or downgrade it
to a version without the "[.gnu.build.attributes]: corrupt GNU build
attribute note:
On 11/26/19 5:36 PM, Carl Eugen Hoyos wrote:
Am Di., 26. Nov. 2019 um 21:26 Uhr schrieb sean darcy :
enable-stripping is the default
Well one reason to have superfluous --enable options, is so you can
remember how to disable them. For instance, stripping isn't working.
strip -o ff
On 11/26/19 5:36 PM, Carl Eugen Hoyos wrote:
Am Di., 26. Nov. 2019 um 21:26 Uhr schrieb sean darcy :
enable-stripping is the default
Well one reason to have superfluous --enable options, is so you can
remember how to disable them. For instance, stripping isn't working.
strip -o ff
On 11/26/19 3:03 PM, sean darcy wrote:
On 11/26/19 12:28 PM, Carl Eugen Hoyos wrote:
Am Mo., 25. Nov. 2019 um 23:45 Uhr schrieb sean darcy
:
On Fedora 31, today's git:
libavcodec/qsvenc.c: In function 'qsv_retrieve_enc_vp9_params':
libavcodec/qsvenc.c:827:25: error:
On 11/26/19 12:28 PM, Carl Eugen Hoyos wrote:
Am Mo., 25. Nov. 2019 um 23:45 Uhr schrieb sean darcy :
On Fedora 31, today's git:
libavcodec/qsvenc.c: In function 'qsv_retrieve_enc_vp9_params':
libavcodec/qsvenc.c:827:25: error: 'vp9_extend_buf' undeclared
On Fedora 31, today's git:
libavcodec/qsvenc.c: In function 'qsv_retrieve_enc_vp9_params':
libavcodec/qsvenc.c:827:25: error: 'vp9_extend_buf' undeclared (first
use in th>
827 | (mfxExtBuffer*)&vp9_extend_buf,
| ^~
libva-2.6.0-0.1.fc31.x86_64
I've got a bunch of old movies I'm reencoding and archiving. They're
mpeg2 in mkv. So I ran 2 pass vp9 and ffv1 :
6432740173 Apr 30 17:46 my-movie.mkv
718020678 May 8 19:30 my-movie.nut
1119231613 May 1 00:30 my-movie-vp9.mp4
I've never used ffv1 before. Is this expected ? Is it really this
On 5/4/19 1:54 PM, Dennis Mungai wrote:
On Sat, 4 May 2019 at 20:42, sean darcy wrote:
Giving up on qsv, I'm trying vaapi, but ffmpeg can't find the vp9 entry
point supported by my cpu , and found by vainfo.
FWIW, hevc_vaapi works.
ffmpeg -vaapi_device /dev/dri/renderD128 -i
Giving up on qsv, I'm trying vaapi, but ffmpeg can't find the vp9 entry
point supported by my cpu , and found by vainfo.
FWIW, hevc_vaapi works.
ffmpeg -vaapi_device /dev/dri/renderD128 -i infile.mkv -map v -map 0:2
-vf format=nv12,hwupload -c:v vp9_vaapi -global_quality 50 -bsf:v
vp9_raw_re
I'm getting old watching libx265 run, so I was thinkng of experimenting
with hevc_qsv. I configured ffmpeg with libmpfx. But now I read I need a
plugin: hevc_hw. And to get that plugin I need to install the Intel
Media SDK, which requires me to patch and install a 2-year old centos
kernel ! Say
I'm getting this at the end of encoding mkv files:
[matroska,webm @ 0x1001d00] Element at 0x17f67179e ending at 0x17f6bce77
exceeds containing master element ending at 0x17f671797
Is this an error ? Is there anything I/someone should do ?
This happens for file output, not just /dev/null.
sea
Intel has open-sourced a vp9 encoder with claimed speeds much better
than libvp9. Has anyone used it with ffmpeg ?
The svt-vp9 README has:
ffmpeg -i [input.mp4] -nostdin -f rawvideo -pix_fmt yuv420p - |
./SvtVp9EncApp -i stdin -n [number_of_frames_to_encode] -w [width] -h
[height]
Which wou
I've got a VOB soft telecined 24 fps -> 3000/1001. Actually 28.83 fps -
what's that about ?
ffprobej 0.VOB
Input #0, mpeg, from '0.VOB':
Duration: 01:42:49.76, start: 0.023444, bitrate: 5473 kb/s
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
progressive), 720x480 [SAR 8:9 DAR
On 12/5/18 3:33 AM, Moritz Barsnick wrote:
On Wed, Dec 05, 2018 at 00:11:53 +0100, Carl Eugen Hoyos wrote:
2018-12-04 23:24 GMT+01:00, sean darcy :
ffmpeg -i /opt/2T1/video/plex/Movies/Shows/WSS-Dance_t02.mkv -map v -map
0:1 -bsf:a dca_core -c:a copy -c:v libx265 -crf 26 -preset slower -dn
I get the same output if I run command line with or without -bsf:a dca_core:
ffmpeg -i /opt/2T1/video/plex/Movies/Shows/WSS-Dance_t02.mkv -map v -map
0:1 -bsf:a dca_core -c:a copy -c:v libx265 -crf 26 -preset slower -dn
-sn -nostdin /opt/2T1/video/plex/Movies/Shows/wss-dance-265.mp4
Output st
On 11/21/18 5:13 PM, sean darcy wrote:
On 11/21/18 5:00 PM, Carl Eugen Hoyos wrote:
2018-11-21 21:23 GMT+01:00, sean darcy :
I have a 1949 french movie. I need the subtitles, my french isn't good
enough any more !
The problem is that the subtitles stream doesn't start until 85 se
On 11/21/18 5:00 PM, Carl Eugen Hoyos wrote:
2018-11-21 21:23 GMT+01:00, sean darcy :
I have a 1949 french movie. I need the subtitles, my french isn't good
enough any more !
The problem is that the subtitles stream doesn't start until 85 seconds
into the movie.
Use -pro
On 11/21/18 3:38 PM, Micael Silva wrote:
On Wed, Nov 21, 2018 at 6:23 PM sean darcy wrote:
I have a 1949 french movie. I need the subtitles, my french isn't good
enough any more !
The problem is that the subtitles stream doesn't start until 85 seconds
into the movie. I've map
I have a 1949 french movie. I need the subtitles, my french isn't good
enough any more !
The problem is that the subtitles stream doesn't start until 85 seconds
into the movie. I've map'd the subtitle stream , but the output stream
isn't created. I assume that's because there's no input subtit
On 11/8/18 5:34 PM, Nicolas George wrote:
sean darcy (2018-11-08):
Ok. So is it possible to concatenate 2 vob's where the audio and video don't
have the same stream numbers ?
VOB do not have stream numbers (FFmpeg is inventing them on the fly), so
the question does not make any se
On 11/8/18 1:59 PM, Nicolas George wrote:
sean darcy (2018-11-08):
I'm trying to reorder streams in a VOB.
Not possible: the streams in a VOB are not ordered. This is not a
limitation of FFmpeg, this is a property of the format.
Regards,
Ok. So is it possible to concatenate 2 vob&#x
I'm trying to reorder streams in a VOB.
ffprobe old-B.VOB
..
Input #0, mpeg, from 'old-B.VOB':
Duration: 00:03:30.02, start: 0.50, bitrate: 8112 kb/s
Stream #0:0[0x80]: Audio: ac3, 48000 Hz, mono, fltp, 384 kb/s
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
I've got a bunch of soft-telecined dvds. I'm trying to get them back to
native format, 24fps.
ffmpeg -i input.vob -r [??] output.mp4
All these vobs were originally theater movies, not TV productions.
Therefore I assume they were all shot at 24 fps, that is 24000/1000. But
all the examples
On 10/17/18 7:40 PM, sean darcy wrote:
On 10/17/18 7:13 PM, sean darcy wrote:
I have some vob's where the language tracks aren't consistent. That is
Stream 0:2 is sometimes English , sometimes not. But [0x80] is always
English with these vobs.
VOB A:
Stream #0:0[0x1e0]: Video:
On 10/17/18 7:13 PM, sean darcy wrote:
I have some vob's where the language tracks aren't consistent. That is
Stream 0:2 is sometimes English , sometimes not. But [0x80] is always
English with these vobs.
VOB A:
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
I have some vob's where the language tracks aren't consistent. That is
Stream 0:2 is sometimes English , sometimes not. But [0x80] is always
English with these vobs.
VOB A:
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, smpte170m,
progressive), 720x480 [SAR 8:9 DAR 4:3], Closed Cap
On 9/30/18 2:58 PM, Carl Eugen Hoyos wrote:
2018-09-30 17:21 GMT+02:00, sean darcy :
On 9/30/18 10:45 AM, sean darcy wrote:
On 9/29/18 5:15 PM, Carl Eugen Hoyos wrote:
2018-09-29 22:46 GMT+02:00, sean darcy :
On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote:
2018-09-28 20:58 GMT+02:00, sean darcy
On 9/30/18 10:45 AM, sean darcy wrote:
On 9/29/18 5:15 PM, Carl Eugen Hoyos wrote:
2018-09-29 22:46 GMT+02:00, sean darcy :
On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote:
2018-09-28 20:58 GMT+02:00, sean darcy :
Also, I used ffprobe:
ffprobe -show_frames -select_streams v -i in.mpg 2>
On 9/29/18 5:15 PM, Carl Eugen Hoyos wrote:
2018-09-29 22:46 GMT+02:00, sean darcy :
On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote:
2018-09-28 20:58 GMT+02:00, sean darcy :
Also, I used ffprobe:
ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c
interlaced_frame=1
2052
On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote:
2018-09-28 20:58 GMT+02:00, sean darcy :
Also, I used ffprobe:
ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c
interlaced_frame=1
2052
ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c
interlaced_frame
On 9/27/18 5:11 PM, Carl Eugen Hoyos wrote:
2018-09-27 4:27 GMT+02:00, sean darcy :
I'm transcoding mpeg2 -> x264.
Stream #0:0[0x64]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
yuv420p(tv, progressive), 720x480 [SAR 8:9 DAR 4:3], Closed Captions,
29.97 fps, 59.94 tbr, 90k tbn, 5
From https://ffmpeg.org/ffmpeg-all.html#Format-Options :
avoid_negative_ts integer (output)
Possible values:
‘make_non_negative’
Shift timestamps to make them non-negative. Also note that this
affects only leading negative timestamps, and not non-monotonic negative
timestamps
On 9/27/18 5:55 AM, DopeLabs wrote:
input: 90k tbn, 59.94 tbc
output: 30k tbn, 29.97 tbc
try explicitly specifying the output frame rate
-c:v h264 -r 29.97
On Sep 26, 2018, at 7:27 26PM, sean darcy wrote:
I'm transcoding mpeg2 -> x264.
Stream #0:0[0x64]: Video: mpeg2video (Main
I'm transcoding mpeg2 -> x264.
Stream #0:0[0x64]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
yuv420p(tv, progressive), 720x480 [SAR 8:9 DAR 4:3], Closed Captions,
29.97 fps, 59.94 tbr, 90k tbn, 59.94 tbc
When I run ffmpeg:
ffmpeg -i in.mpg -map 0:0 -map 0:2 -c:v libx264 -tune film -pr
I see xiph has available a beta for libopus 1.3. I know there's been
work on a native ffmpeg opus encoder. I need to transcode a lot of
voice, to be played while driving. It doesn't have to have great
quality, but easily intelligible and highly compressed. Maybe as low as
12bps ?
Any suggesti
I've got a bunch of sonatas I've uploaded to Amazon Music. They were
originally opus files, but Amazon requires mp3 or m4a . ( Why ? Got me.)
So I re-encoded the opus files:
ffmpeg -i sonata.opus -vn -c:a aac -b:a 128k sonata.m4a
The m4a files play just fine on my laptop, even in the Amazon Mu
On 05/24/2016 11:53 AM, sean darcy wrote:
On 05/23/2016 11:29 AM, Nicolas George wrote:
On Mon, May 23, 2016 at 09:31:25 -0400, sean darcy wrote:
I've got a bunch of VOB's I want to concatenate. For most of the VOB's
stream 0:0 is video and 0:1 audio, but for one VOB te strea
On 05/23/2016 11:29 AM, Nicolas George wrote:
On Mon, May 23, 2016 at 09:31:25 -0400, sean darcy wrote:
I've got a bunch of VOB's I want to concatenate. For most of the VOB's
stream 0:0 is video and 0:1 audio, but for one VOB te streams are
switched, so concat doesn't wor
I've got a bunch of VOB's I want to concatenate. For most of the VOB's
stream 0:0 is video and 0:1 audio, but for one VOB te streams are
switched, so concat doesn't work.
I tried to use map to switch the streams in the one VOB, which seemed to
work:
fmpeg -i out2.VOB -map 0:1 -map 0:0 -c c
I'm trying to copy the last section of a VOB, but I get an odd warning
about timestamps:
[svcd @ 0x1d91760] Timestamps are unset in a packet for stream 0. This
is deprecated and will stop working in the future. Fix your code to set
the timestamps properly
Is there anything I should do, or is
On 05/03/2016 04:37 AM, Carl Eugen Hoyos wrote:
sean darcy gmail.com> writes:
ffmpeg can use the visualon or opencore libraries for amr-wb.
Any views on which works better ? are the equal ?
One is used for decoding (the native decoder does not support
all features of the format), the ot
ffmpeg can use the visualon or opencore libraries for amr-wb.
Any views on which works better ? are the equal ?
sean
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On 03/27/2016 11:39 AM, Carl Eugen Hoyos wrote:
sean darcy gmail.com> writes:
configure help shows:
--disable-dctdisable DCT code
--disable-dwtdisable DWT code
--disable-error-resilience disable error resilience code
--disable-lspdisa
configure help shows:
--disable-dctdisable DCT code
--disable-dwtdisable DWT code
--disable-error-resilience disable error resilience code
--disable-lspdisable LSP code
--disable-lzodisable LZO decoder code
--disable-mdct disab
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