twitter / vireo
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 9 files with 5,660 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 0 files changed 6-20 times (0 lines of code)
    • 9 files changed 1-5 times (5,660 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 9 files with 5,660 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 0 files changed by 6-10 contributors (0 lines of code)
    • 0 files changed by 2-5 contributors (0 lines of code)
    • 9 files changed by 1 contributor (5,660 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
h, cpp, scala, m4, sh, c, hpp, in, md, gitignore, txt, java, json, properties, mk
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
in0% | 0% | 0% | 0% | 100%
cpp0% | 0% | 0% | 0% | 100%
h0% | 0% | 0% | 0% | 100%
scala0% | 0% | 0% | 0% | 0%
hpp0% | 0% | 0% | 0% | 0%
java0% | 0% | 0% | 0% | 0%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
imagecore0% | 0% | 0% | 0% | 100%
vireo0% | 0% | 0% | 0% | 100%
imagetool0% | 0% | 0% | 0% | 0%
Most Frequently Changed Files (Top 50)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
helloworld.cpp
in vireo/helloworld
 51 4 2017-12-24 2018-03-15 2 1 canbal@users.noreply.github... canbal@users.noreply.github...
in
Makefile.in
in vireo
 2376 - 2017-12-18 2017-12-24 2 1 canbal@users.noreply.github... canbal@users.noreply.github...
mathutils.h
in imagecore/utils
 79 16 2018-01-22 2018-01-22 1 1 cutezerocat@users.noreply.g... cutezerocat@users.noreply.g...
aac.cpp
in vireo/internal/decode
 127 3 2017-12-24 2017-12-24 1 1 canbal@users.noreply.github... canbal@users.noreply.github...
intrinsics_neon.h
in imagecore/image/internal
 203 28 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
main.cpp
in vireo/tools/validate
 222 1 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
intrinsics_sse.h
in imagecore/image/internal
 246 37 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
sse.cpp
in imagecore/image/internal
 1048 21 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
in
Makefile.in
in imagecore
 1308 - 2017-12-18 2017-12-18 1 1 canbal@users.noreply.github... canbal@users.noreply.github...
version.h
in imagetool
 1 -
version.h
in vireo
 1 -
version.h
in vireo/tools/stitch
 1 -
version.h
in vireo/tools/validate
 1 -
PCM.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/sound
 3 -
Header.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/header
 6 -
Sound.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/sound
 6 -
Frame.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/frame
 6 -
frames.h
in imagetool/commands
 7 -
genlut.h
in imagetool/commands
 7 -
colors.h
in imagetool/commands
 7 -
Util.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/periscope
 7 -
types.h
in vireo
 7 -
identify.h
in imagetool/commands
 8 -
error.cpp
in vireo/error
 8 1
Internal.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/periscope/jni
 8 -
Internal.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/frame/jni
 8 -
pad.h
in imagetool/commands
 9 -
clean.h
in imagetool/commands
 9 -
sound.h
in vireo/scala/jni/vireo
 9 -
periscope.h
in vireo/scala/jni/vireo
 9 -
Interval.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/domain
 9 -
util.h
in vireo/domain
 10 -
MP4Test.java
in vireo/java
 10 1
in
vireo.pc.in
in vireo
 10 -
intrinsics.h
in imagecore/image/internal
 11 -
platform_support.h
in imagecore/image/internal
 12 -
format.h
in imagecore/formats
 12 -
RGB.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/frame
 12 -
sound.h
in vireo/sound
 13 -
periscope.cpp
in vireo/scala/jni/vireo
 13 1
YUV.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/frame
 13 -
util.h
in vireo/frame
 13 -
ftyp.h
in vireo/util
 13 -
bitreader.h
in vireo/common
 14 -
constants.h
in vireo
 14 -
frame.h
in vireo/frame
 14 -
forcergb.h
in imagetool/commands
 15 -
interval-transform.hpp
in vireo/domain
 15 1
sound.cpp
in vireo/scala/jni/vireo
 15 1
Plane.scala
in vireo/scala/vireo-scala/src/main/scala/com/twitter/vireo/frame
 15 1
Files With Most Contributors (Top 50)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
helloworld.cpp
in vireo/helloworld
 51 4 2017-12-24 2018-03-15 2 1 canbal@users.noreply.github... canbal@users.noreply.github...
in
Makefile.in
in vireo
 2376 - 2017-12-18 2017-12-24 2 1 canbal@users.noreply.github... canbal@users.noreply.github...
main.cpp
in vireo/tools/validate
 222 1 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
aac.cpp
in vireo/internal/decode
 127 3 2017-12-24 2017-12-24 1 1 canbal@users.noreply.github... canbal@users.noreply.github...
mathutils.h
in imagecore/utils
 79 16 2018-01-22 2018-01-22 1 1 cutezerocat@users.noreply.g... cutezerocat@users.noreply.g...
intrinsics_neon.h
in imagecore/image/internal
 203 28 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
intrinsics_sse.h
in imagecore/image/internal
 246 37 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
sse.cpp
in imagecore/image/internal
 1048 21 2017-12-30 2017-12-30 1 1 simeon.zhidenko@gmail.com simeon.zhidenko@gmail.com
in
Makefile.in
in imagecore
 1308 - 2017-12-18 2017-12-18 1 1 canbal@users.noreply.github... canbal@users.noreply.github...
settings.h
in vireo/settings
 157 -
settings-vorbis.cpp
in vireo/settings
 59 1
settings.cpp
in vireo/settings
 129 7
version.h
in vireo/tools/validate
 1 -
main.cpp
in vireo/tools/chunk
 99 1
main.cpp
in vireo/tools/unchunk
 123 1
main.cpp
in vireo/tools/frames
 282 1
main.cpp
in vireo/tools/trim
 47 1
main.cpp
in vireo/tools/transcode
 603 7
Main.scala
in vireo/tools/scala/chunk/src/main/scala/com/twitter/vireo_tools/chunk
 102 1
Main.scala
in vireo/tools/scala/transcode/src/main/scala/com/twitter/vireo_tools/transcode
 383 1
version.h
in vireo/tools/stitch
 1 -
main.cpp
in vireo/tools/stitch
 109 1
main.cpp
in vireo/tools/remux
 227 4
main.cpp
in vireo/tools/psnr
 161 6
main.cpp
in vireo/tools/viddiff
 178 4
main.cpp
in vireo/tools/thumbnails
 65 1
version.h
in vireo
 1 -
mp4.h
in vireo/mux
 25 -
mp2ts.h
in vireo/mux
 16 -
mp4.cpp
in vireo/mux
 635 22
webm.cpp
in vireo/mux
 163 8
mp2ts.cpp
in vireo/mux
 467 19
webm.h
in vireo/mux
 17 -
caption.cpp
in vireo/util
 96 2
caption.h
in vireo/util
 27 -
ftyp.h
in vireo/util
 13 -
timer.cpp
in vireo/util
 28 4
timer.h
in vireo/util
 15 -
ftyp.cpp
in vireo/util
 26 2
util.h
in vireo/util
 29 2
types.h
in vireo
 7 -
in
vireo.pc.in
in vireo
 10 -
40 -
avcc.h
in vireo/internal/decode
 20 -
aac.h
in vireo/internal/decode
 18 -
image.cpp
in vireo/internal/decode
 163 2
h264.h
in vireo/internal/decode
 18 -
annexb.h
in vireo/internal/decode
 29 1
types.h
in vireo/internal/decode
 19 -
h264_bytestream.cpp
in vireo/internal/decode
 67 3
Files With Least Contributors (Top 50)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
jpeg.cpp
in imagecore/formats/internal
 1116 49
in
Makefile.in
in imagetool
 989 -
mp4.cpp
in vireo/internal/demux
 772 22
mp2ts.cpp
in vireo/internal/demux
 686 23
mp4.cpp
in vireo/mux
 635 22
main.cpp
in vireo/tools/transcode
 603 7
image.cpp
in imagecore/image
 564 7
neon.cpp
in imagecore/image/internal
 474 4
mp2ts.cpp
in vireo/mux
 467 19
filters_intrinsics.cpp
in imagecore/image/internal
 450 9
png.cpp
in imagecore/formats/internal
 438 28
util.cpp
in vireo/scala/jni/vireo
 426 30
encode.cpp
in vireo/scala/jni/vireo
 399 24
filters.cpp
in imagecore/image/internal
 397 14
bmp.cpp
in imagecore/formats/internal
 394 13
Main.scala
in vireo/tools/scala/transcode/src/main/scala/com/twitter/vireo_tools/transcode
 383 1
jni.cpp
in vireo/scala/jni/common
 374 40
resize.cpp
in imagetool/commands
 364 6
colorpalette.cpp
in imagecore/image
 344 8
webp.cpp
in imagecore/formats/internal
 339 26
yuv.cpp
in imagecore/image
 326 20
yuv_semiplanar.cpp
in imagecore/image
 321 21
reader.cpp
in imagecore/formats
 308 24
writer.cpp
in imagecore/formats
 299 21
main.cpp
in vireo/tools/frames
 282 1
trim.cpp
in vireo/transform
 267 7
transform.cpp
in vireo/scala/jni/vireo
 265 10
gif.cpp
in imagecore/formats/internal
 261 20
resizecrop.cpp
in imagecore/image
 261 10
image.h
in imagecore/image
 253 21
webm.cpp
in vireo/internal/demux
 249 9
stitch.cpp
in vireo/transform
 249 16
exifcommon.cpp
in imagecore/formats/exif
 246 13
h264.cpp
in vireo/internal/decode
 233 4
decode.cpp
in vireo/scala/jni/vireo
 231 12
main.cpp
in vireo/tools/remux
 227 4
mux.cpp
in vireo/scala/jni/vireo
 224 12
demux.cpp
in vireo/scala/jni/vireo
 224 10
exifcommon.h
in imagecore/formats/exif
 222 2
yuv.cpp
in vireo/frame
 221 13
h264.cpp
in vireo/encode
 216 2
kernel.cpp
in imagecore/image
 216 12
movie.cpp
in vireo/demux
 210 19
tiledresize.cpp
in imagecore/image
 190 1
image.cpp
in vireo/internal/demux
 181 12
main.cpp
in vireo/tools/viddiff
 178 4
tiff.cpp
in imagecore/formats/internal
 173 16
exifreader.h
in imagecore/formats/exif
 171 3
data.cpp
in vireo/common
 170 4
exifreader.cpp
in imagecore/formats/exif
 169 8
Correlations

File Size vs. Number of Changes: 9 points

vireo/helloworld/helloworld.cpp x: 51 lines of code y: 2 # changes imagecore/utils/mathutils.h x: 79 lines of code y: 1 # changes imagecore/image/internal/intrinsics_neon.h x: 203 lines of code y: 1 # changes imagecore/image/internal/intrinsics_sse.h x: 246 lines of code y: 1 # changes imagecore/image/internal/sse.cpp x: 1048 lines of code y: 1 # changes vireo/tools/validate/main.cpp x: 222 lines of code y: 1 # changes vireo/Makefile.in x: 2376 lines of code y: 2 # changes vireo/internal/decode/aac.cpp x: 127 lines of code y: 1 # changes imagecore/Makefile.in x: 1308 lines of code y: 1 # changes
2.0
# changes
  min: 1.0
  average: 1.22
  25th percentile: 1.0
  median: 1.0
  75th percentile: 1.5
  max: 2.0
0 2376.0
lines of code
min: 51.0 | average: 628.89 | 25th percentile: 103.0 | median: 222.0 | 75th percentile: 1178.0 | max: 2376.0

Number of Contributors vs. Number of Changes: 9 points

vireo/helloworld/helloworld.cpp x: 1 # contributors y: 2 # changes imagecore/utils/mathutils.h x: 1 # contributors y: 1 # changes
2.0
# changes
  min: 1.0
  average: 1.22
  25th percentile: 1.0
  median: 1.0
  75th percentile: 1.5
  max: 2.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

Number of Contributors vs. File Size: 9 points

vireo/helloworld/helloworld.cpp x: 1 # contributors y: 51 lines of code imagecore/utils/mathutils.h x: 1 # contributors y: 79 lines of code imagecore/image/internal/intrinsics_neon.h x: 1 # contributors y: 203 lines of code imagecore/image/internal/intrinsics_sse.h x: 1 # contributors y: 246 lines of code imagecore/image/internal/sse.cpp x: 1 # contributors y: 1048 lines of code vireo/tools/validate/main.cpp x: 1 # contributors y: 222 lines of code vireo/Makefile.in x: 1 # contributors y: 2376 lines of code vireo/internal/decode/aac.cpp x: 1 # contributors y: 127 lines of code imagecore/Makefile.in x: 1 # contributors y: 1308 lines of code
2376.0
lines of code
  min: 51.0
  average: 628.89
  25th percentile: 103.0
  median: 222.0
  75th percentile: 1178.0
  max: 2376.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0