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28 Commits

Author SHA1 Message Date
Paul B Mahol
d2e76a1f96 avfilter/avf_showvolume: make use of av_rescale 2019-05-28 10:49:09 +02:00
Paul B Mahol
5ddaedcaec avfilter/avf_showvolume: switch to activate 2019-05-27 18:44:19 +02:00
Martin Vignali
56315df32c avfilter/showvolume : cosmetic move bracket after func declaration to a new line 2018-04-16 11:35:07 +02:00
Martin Vignali
fd10a6e2f2 avfilter/showvolume : add persistent max display 
draw a color line for the max level in the given duration
 2018-04-16 11:35:03 +02:00
Martin Vignali
cb2f52b6a7 avfilter/showvolume : add display scale option 
linear (current behaviour) or log display (more close to classic audio meter)
 2018-04-16 11:34:59 +02:00
Martin Vignali
78b6887da3 avfilter/showvolume : indent after prev commit and add comment 2018-04-01 15:40:05 +02:00
Martin Vignali
e4cfb2c669 avfilter/showvolume : move width test for draw volume to the start of the loop 2018-04-01 15:40:01 +02:00
Martin Vignali
4152413dde avfilter/showvolume : move clear picture part to a func 
and use it if fade == 0.
 2018-04-01 15:39:57 +02:00
Paul B Mahol
0c25caa470 avfilter/avf_showvolume: let fade be also exactly 0 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-03-31 09:27:57 +02:00
Martin Vignali
328df2f712 avfilter/showvolume : indent after prev commit 2018-03-31 09:11:43 +02:00
Martin Vignali
25b22666a3 avfilter/showvolume : calculate fade only if fade < 1. 2018-03-31 09:11:39 +02:00
Martin Vignali
34304677c0 avfilter/showvolume : add comment for orientation condition 2018-03-31 09:11:34 +02:00
Paul B Mahol
3e3d567761 avfilter/avf_showvolume: implement basic rms metering mode 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-03-23 22:53:13 +01:00
Paul B Mahol
b78d55b2e6 avfilter/avf_showvolume: add background opacity option 
This makes output more visible when overlayed.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-03-22 23:08:33 +01:00
Paul B Mahol
45e5d5f547 avfilter/avf_showvolume: calculate color table only once 2016-08-21 16:49:18 +02:00
Paul B Mahol
e2a39b103e avfilter/avf_showvolume: use current peak value for picking colors 2016-08-18 20:14:58 +02:00
Michael Niedermayer
f2c8b666be avfilter: Fix max value of AV_OPT_TYPE_VIDEO_RATE 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-06-09 10:35:13 +02:00
Paul B Mahol
65cc3915db avfilter/avf_showvolume: support unknown channel layouts too 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-02-28 23:18:31 +01:00
Paul B Mahol
e266d29978 avfilter/avf_showwolume: add orientation and step option 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-02-27 17:45:20 +01:00
Michael Niedermayer
98626a1a4c avfilter/avf_showvolume: Fix "warning: comparison of unsigned expression < 0 is always false" 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-29 15:47:42 +01:00
Paul B Mahol
7a9b4427b5 avfilter/avf_showvolume: fix several issues 
Fix color fading: previously color could fade to red when
volume level for red color was actually never reached.
Display volume value on right side.
Use red color only if clipping is needed.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-11-29 13:02:40 +01:00
Ganesh Ajjanagadde
0fe5dcd660 avfilter/avf_showvolume: use log10 instead of log()/M_LN10 
This is likely more precise and conveys the intent better.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
 2015-10-29 19:10:49 -04:00
Ganesh Ajjanagadde
6aaac24d72 avfilter/all: propagate errors of functions from avfilter/formats 
Many of the functions from avfilter/formats can return errors, usually AVERROR(ENOMEM).
This propagates the return values.

All of these were found by using av_warn_unused_result, demonstrating its utility.

Tested with FATE. I am least sure of the changes to avfilter/filtergraph,
since I don't know what/how reduce_format is intended to behave and how it should
react to errors.

Fixes: CID 1325680, 1325679, 1325678.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Previous version Reviewed-by: Nicolas George <george@nsup.org>
Previous version Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
 2015-10-14 10:04:01 -04:00
Clément Bœsch
286d625b43 avfilter/showvolume: use AV_OPT_TYPE_BOOL for channel name displaying option (t) 2015-09-08 23:28:44 +02:00
Paul B Mahol
5bf8590d6e avfilter/avf_showvolume: stop making output fully transparent 2015-08-01 19:40:34 +02:00
Paul B Mahol
e658b1036c avfilter/avf_showvolume: make it possible to use current channel number in color expression 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-07-03 18:43:21 +00:00
Paul B Mahol
9842d6707f avfilter/avf_showvolume: optionally display channel names 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-06-29 07:53:56 +00:00
Paul B Mahol
f76d7d4b01 avfilter: add showvolume filter 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-06-28 14:33:36 +00:00