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How to increase video speed and frame rate without duplicating frames
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I have a long video with a frame rate of 30 FPS that I want to convert into a 200x time-lapse with a frame rate of 60 FPS. My only problem is that avconv is unnecessarily duplicating every other frame in the output, making the 60 FPS output effectively 30 FPS. I want every frame to be unique. At a 200x speed increase and 2x frame rate increase, there is no reason to duplicate frames.
For example, the problem is that the output is using source frames like 1,1,21,21,41,41,... when I want it to use frames 1,11,21,31,41,51,...
Here's the command I'm using:
avconv -i input_30fps.avi -vcodec h264 -an -r 60 -vf "setpts=(1/200)*PTS" output_200x_60fps.avi
video ffmpeg libav framerate
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
add a comment |
I have a long video with a frame rate of 30 FPS that I want to convert into a 200x time-lapse with a frame rate of 60 FPS. My only problem is that avconv is unnecessarily duplicating every other frame in the output, making the 60 FPS output effectively 30 FPS. I want every frame to be unique. At a 200x speed increase and 2x frame rate increase, there is no reason to duplicate frames.
For example, the problem is that the output is using source frames like 1,1,21,21,41,41,... when I want it to use frames 1,11,21,31,41,51,...
Here's the command I'm using:
avconv -i input_30fps.avi -vcodec h264 -an -r 60 -vf "setpts=(1/200)*PTS" output_200x_60fps.avi
video ffmpeg libav framerate
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
add a comment |
I have a long video with a frame rate of 30 FPS that I want to convert into a 200x time-lapse with a frame rate of 60 FPS. My only problem is that avconv is unnecessarily duplicating every other frame in the output, making the 60 FPS output effectively 30 FPS. I want every frame to be unique. At a 200x speed increase and 2x frame rate increase, there is no reason to duplicate frames.
For example, the problem is that the output is using source frames like 1,1,21,21,41,41,... when I want it to use frames 1,11,21,31,41,51,...
Here's the command I'm using:
avconv -i input_30fps.avi -vcodec h264 -an -r 60 -vf "setpts=(1/200)*PTS" output_200x_60fps.avi
video ffmpeg libav framerate
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
I have a long video with a frame rate of 30 FPS that I want to convert into a 200x time-lapse with a frame rate of 60 FPS. My only problem is that avconv is unnecessarily duplicating every other frame in the output, making the 60 FPS output effectively 30 FPS. I want every frame to be unique. At a 200x speed increase and 2x frame rate increase, there is no reason to duplicate frames.
For example, the problem is that the output is using source frames like 1,1,21,21,41,41,... when I want it to use frames 1,11,21,31,41,51,...
Here's the command I'm using:
avconv -i input_30fps.avi -vcodec h264 -an -r 60 -vf "setpts=(1/200)*PTS" output_200x_60fps.avi
video ffmpeg libav framerate
video ffmpeg libav framerate
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
edited Jul 18 '16 at 22:40
Pilot_51
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
asked Jul 18 '16 at 20:07
Pilot_51Pilot_51
17118
17118
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
As happens regularly to me, after spending hours trying to figure it out before asking for help, I find the solution myself just minutes after asking.
It turns out avconv isn't the better replacement to ffmpeg that I thought it was when Linux Mint, IIRC, removed ffmpeg from the official repository in favor of avconv. Anyway, ffmpeg is back and I installed it and found the equivalent command that doesn't duplicate frames:
ffmpeg -i input_30fps.avi -vcodec h264 -an -vf "fps=60, setpts=(1/200)*PTS" output_200x_60fps.avi
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avishould do the same thing.
– Gyan
Jul 19 '16 at 5:11
add a comment |
Yes, the reason it did not work is that the command you used is NOT designed to speed up playback, but to increase the definition of the video.
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
As happens regularly to me, after spending hours trying to figure it out before asking for help, I find the solution myself just minutes after asking.
It turns out avconv isn't the better replacement to ffmpeg that I thought it was when Linux Mint, IIRC, removed ffmpeg from the official repository in favor of avconv. Anyway, ffmpeg is back and I installed it and found the equivalent command that doesn't duplicate frames:
ffmpeg -i input_30fps.avi -vcodec h264 -an -vf "fps=60, setpts=(1/200)*PTS" output_200x_60fps.avi
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avishould do the same thing.
– Gyan
Jul 19 '16 at 5:11
add a comment |
As happens regularly to me, after spending hours trying to figure it out before asking for help, I find the solution myself just minutes after asking.
It turns out avconv isn't the better replacement to ffmpeg that I thought it was when Linux Mint, IIRC, removed ffmpeg from the official repository in favor of avconv. Anyway, ffmpeg is back and I installed it and found the equivalent command that doesn't duplicate frames:
ffmpeg -i input_30fps.avi -vcodec h264 -an -vf "fps=60, setpts=(1/200)*PTS" output_200x_60fps.avi
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avishould do the same thing.
– Gyan
Jul 19 '16 at 5:11
add a comment |
As happens regularly to me, after spending hours trying to figure it out before asking for help, I find the solution myself just minutes after asking.
It turns out avconv isn't the better replacement to ffmpeg that I thought it was when Linux Mint, IIRC, removed ffmpeg from the official repository in favor of avconv. Anyway, ffmpeg is back and I installed it and found the equivalent command that doesn't duplicate frames:
ffmpeg -i input_30fps.avi -vcodec h264 -an -vf "fps=60, setpts=(1/200)*PTS" output_200x_60fps.avi
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
As happens regularly to me, after spending hours trying to figure it out before asking for help, I find the solution myself just minutes after asking.
It turns out avconv isn't the better replacement to ffmpeg that I thought it was when Linux Mint, IIRC, removed ffmpeg from the official repository in favor of avconv. Anyway, ffmpeg is back and I installed it and found the equivalent command that doesn't duplicate frames:
ffmpeg -i input_30fps.avi -vcodec h264 -an -vf "fps=60, setpts=(1/200)*PTS" output_200x_60fps.avi
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
edited Jul 18 '16 at 22:01
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
answered Jul 18 '16 at 21:00
Pilot_51Pilot_51
17118
17118
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avishould do the same thing.
– Gyan
Jul 19 '16 at 5:11
add a comment |
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avishould do the same thing.
– Gyan
Jul 19 '16 at 5:11
2
2
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avi should do the same thing.– Gyan
Jul 19 '16 at 5:11
ffmpeg -r 6000 -i in_30.avi -c:v h264 -an -r 60 out.avi should do the same thing.– Gyan
Jul 19 '16 at 5:11
add a comment |
Yes, the reason it did not work is that the command you used is NOT designed to speed up playback, but to increase the definition of the video.
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
add a comment |
Yes, the reason it did not work is that the command you used is NOT designed to speed up playback, but to increase the definition of the video.
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
add a comment |
Yes, the reason it did not work is that the command you used is NOT designed to speed up playback, but to increase the definition of the video.
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
Yes, the reason it did not work is that the command you used is NOT designed to speed up playback, but to increase the definition of the video.
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
answered Jan 16 '17 at 19:01
the_try_guythe_try_guy
1
1
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
add a comment |
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
This is really a comment and not an answer to the original question. You can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. Please read Why do I need 50 reputation to comment? What can I do instead?
– DavidPostill♦
Jan 16 '17 at 23:22
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
In any case, the command OP used does not "increase the definition" of the video.
– Gyan
Jan 17 '17 at 4:52
add a comment |
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