sgwd · April 4, 2019 01:37 · Jan 3, 2019 · Jan 3, 2019 · Jan 3, 2019 · Jan 3, 2019
diff --git a/timelapse.md b/timelapse.md
@@ -1,7 +1,15 @@
 ### Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video
 
 ```
-ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scale=3840:-2" -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow output.mkv
+ffmpeg \
+  -r 30000/1001 \
+  -pattern_type glob -i '*.JPG' \
+  -vf "crop=in_w:in_w*9/16,scale=3840:-2" \
+  -sws_flags lanczos \
+  -pix_fmt yuv420p \
+  -vcodec libx264 \
+  -crf 18 -preset slow \
+  output.mkv
 ```
 
 - `-r 30000/1001` - 30 fps frame rate. Why divide by 1001? See [drop-frame timecode](https://en.wikipedia.org/wiki/SMPTE_timecode#Drop-frame_timecode).
@@ -17,4 +25,6 @@ ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scal
 
 This is not required as long as you use the `crop` option in `ffmpeg`, but is included for reference in case you want to crop the images with ImageMagick first before feeding them into `ffmpeg` (this is slower than using `ffmpeg` directly).
 
-`find . -name '*.JPG' -exec convert {} -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' "{}_cropped.jpg" \;`
+```
+find . -name '*.JPG' -exec convert {} -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' "{}_cropped.jpg" \;
+```
diff --git a/timelapse.md b/timelapse.md
@@ -1,6 +1,8 @@
 ### Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video
 
-`ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scale=3840:-2" -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow output.mkv`
+```
+ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scale=3840:-2" -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow output.mkv
+```
 
 - `-r 30000/1001` - 30 fps frame rate. Why divide by 1001? See [drop-frame timecode](https://en.wikipedia.org/wiki/SMPTE_timecode#Drop-frame_timecode).
 - `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory. Note this is case sensitive.

diff --git a/timelapse.md b/timelapse.md
@@ -1,17 +1,18 @@
 ### Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video
 
-#### MKV is an open standard, so I prefer that to MP4, it does also seem to play back 4k 60 fps less choppy.
-
 `ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scale=3840:-2" -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow output.mkv`
 
 - `-r 30000/1001` - 30 fps frame rate. Why divide by 1001? See [drop-frame timecode](https://en.wikipedia.org/wiki/SMPTE_timecode#Drop-frame_timecode).
-- `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory.
+- `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory. Note this is case sensitive.
 - `-vf "crop=in_w:in_w*9/16,scale=3840:-2"` - 4k UHD. GoPro captures in 4000x3000, so need to crop it to 16:9 resolution. Change `3840` to `1920` if you want HD 1080p resolution.
 - `-sws_flags lanczos` - I want to scale Gaussian or lanczos, I think it’s better than bicubic.
-- `-pix_fmt yuv420p` - Seems everyone uses this because quicktime supports only that.
+- `-pix_fmt yuv420p` - Required to support Quicktime.
 - `-vcodec libx264` - everyone is using this codec - but why?
 - `-crf 18 -preset slow` - Add this for better quality output.
+- `output.mkv` - Output filename. Change to `.mp4` if you want MP4.
 
 ### Bulk convert JPGs to 1920x1080, centered
 
+This is not required as long as you use the `crop` option in `ffmpeg`, but is included for reference in case you want to crop the images with ImageMagick first before feeding them into `ffmpeg` (this is slower than using `ffmpeg` directly).
+
 `find . -name '*.JPG' -exec convert {} -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' "{}_cropped.jpg" \;`
diff --git a/timelapse.md b/timelapse.md
@@ -1,23 +1,17 @@
-### Convert sequence of GoPro Hero 5 Black JPEG images to MKV / MP4 video
+### Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video
 
 #### MKV is an open standard, so I prefer that to MP4, it does also seem to play back 4k 60 fps less choppy.
 
-`ffmpeg -r 60 -pattern_type glob -i '*.JPG' -vf scale=3840:2160 -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow timelapse_lanczos_crf18_slow.mkv`
+`ffmpeg -r 30000/1001 -pattern_type glob -i '*.JPG' -vf "crop=in_w:in_w*9/16,scale=3840:-2" -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow output.mkv`
 
-- `-r 60` - output frame rate.
+- `-r 30000/1001` - 30 fps frame rate. Why divide by 1001? See [drop-frame timecode](https://en.wikipedia.org/wiki/SMPTE_timecode#Drop-frame_timecode).
 - `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory.
-- `-vf scale=3840:2160` - 4k UHD. GoPro captures in 4000x3000, but I want to squeeze it into 4k.
+- `-vf "crop=in_w:in_w*9/16,scale=3840:-2"` - 4k UHD. GoPro captures in 4000x3000, so need to crop it to 16:9 resolution. Change `3840` to `1920` if you want HD 1080p resolution.
 - `-sws_flags lanczos` - I want to scale Gaussian or lanczos, I think it’s better than bicubic.
 - `-pix_fmt yuv420p` - Seems everyone uses this because quicktime supports only that.
 - `-vcodec libx264` - everyone is using this codec - but why?
 - `-crf 18 -preset slow` - Add this for better quality output.
 
-This does give you a "deprecated pixel format" warning. It would be nice to figure out how to get rid of that, but it seems to work fine.
-
-#### MP4
-
-`ffmpeg -r 60 -pattern_type glob -i '*.JPG' -vf scale=1920:1080 -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow timelapse_lanczos_crf18_slow_1080.mp4`
-
 ### Bulk convert JPGs to 1920x1080, centered
 
-`convert input.jpg -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' output.jpg`
+`find . -name '*.JPG' -exec convert {} -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' "{}_cropped.jpg" \;`
diff --git a/timelapse.md b/timelapse.md
@@ -1,6 +1,6 @@
-### Convert sequence of GoPro Hero 5 Black JPEG images to MKV video
+### Convert sequence of GoPro Hero 5 Black JPEG images to MKV / MP4 video
 
-MKV is an open standard, so I prefer that to MP4. It does also seem to play back 4k 60 fps less choppy.
+#### MKV is an open standard, so I prefer that to MP4, it does also seem to play back 4k 60 fps less choppy.
 
 `ffmpeg -r 60 -pattern_type glob -i '*.JPG' -vf scale=3840:2160 -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow timelapse_lanczos_crf18_slow.mkv`
 
@@ -14,6 +14,10 @@ MKV is an open standard, so I prefer that to MP4. It does also seem to play back
 
 This does give you a "deprecated pixel format" warning. It would be nice to figure out how to get rid of that, but it seems to work fine.
 
+#### MP4
+
+`ffmpeg -r 60 -pattern_type glob -i '*.JPG' -vf scale=1920:1080 -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow timelapse_lanczos_crf18_slow_1080.mp4`
+
 ### Bulk convert JPGs to 1920x1080, centered
 
 `convert input.jpg -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' output.jpg`
diff --git a/timelapse.md b/timelapse.md
@@ -1,18 +1,18 @@
-### Convert sequence of JPEG images to MP4 video
+### Convert sequence of GoPro Hero 5 Black JPEG images to MKV video
 
-`ffmpeg  -r 24 -pattern_type glob -i '*.JPG' -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4`
+MKV is an open standard, so I prefer that to MP4. It does also seem to play back 4k 60 fps less choppy.
 
-- `-r 24` - output frame rate
-- `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory
-- `-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
-- `-s hd1080` - 1920x1080 resolution
+`ffmpeg -r 60 -pattern_type glob -i '*.JPG' -vf scale=3840:2160 -sws_flags lanczos -pix_fmt yuv420p -vcodec libx264 -crf 18 -preset slow timelapse_lanczos_crf18_slow.mkv`
 
-#### Slower, better quality
-
-Add the following after `-vcodec libx264` to achieve better quality output
-
-`-crf 18 -preset slow`
+- `-r 60` - output frame rate.
+- `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory.
+- `-vf scale=3840:2160` - 4k UHD. GoPro captures in 4000x3000, but I want to squeeze it into 4k.
+- `-sws_flags lanczos` - I want to scale Gaussian or lanczos, I think it’s better than bicubic.
+- `-pix_fmt yuv420p` - Seems everyone uses this because quicktime supports only that.
+- `-vcodec libx264` - everyone is using this codec - but why?
+- `-crf 18 -preset slow` - Add this for better quality output.
 
+This does give you a "deprecated pixel format" warning. It would be nice to figure out how to get rid of that, but it seems to work fine.
 
 ### Bulk convert JPGs to 1920x1080, centered
 

diff --git a/timelapse.md b/timelapse.md
@@ -1,9 +1,9 @@
 ### Convert sequence of JPEG images to MP4 video
 
-`ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4`
+`ffmpeg  -r 24 -pattern_type glob -i '*.JPG' -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4`
 
 - `-r 24` - output frame rate
-- `-start_number 32` - if filenames don't start at 0000, then specify start number
+- `-pattern_type glob -i '*.JPG'` - all JPG files in the current directory
 - `-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
 - `-s hd1080` - 1920x1080 resolution
 

diff --git a/timelapse.md b/timelapse.md
@@ -14,6 +14,6 @@ Add the following after `-vcodec libx264` to achieve better quality output
 `-crf 18 -preset slow`
 
 
-### Bulk JPGs to 1920x1080, centered
+### Bulk convert JPGs to 1920x1080, centered
 
 `convert input.jpg -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' output.jpg`
diff --git a/timelapse.md b/timelapse.md
@@ -11,4 +11,9 @@
 
 Add the following after `-vcodec libx264` to achieve better quality output
 
-`-crf 18 -preset slow`
+`-crf 18 -preset slow`
+
+
+### Bulk JPGs to 1920x1080, centered
+
+`convert input.jpg -resize '1920x1080^' -gravity center -crop '1920x1080+0+0' output.jpg`
diff --git a/timelapse.md b/timelapse.md
@@ -2,11 +2,13 @@
 
 `ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4`
 
-`-r 24` - output frame rate
-`-start_number 32` - if filenames don't start at 0000, then specify start number
-`-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
-`-s hd1080` - 1920x1080 resolution
+- `-r 24` - output frame rate
+- `-start_number 32` - if filenames don't start at 0000, then specify start number
+- `-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
+- `-s hd1080` - 1920x1080 resolution
 
 #### Slower, better quality
 
+Add the following after `-vcodec libx264` to achieve better quality output
+
 `-crf 18 -preset slow`
diff --git a/timelapse.md b/timelapse.md
@@ -7,6 +7,6 @@
 `-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
 `-s hd1080` - 1920x1080 resolution
 
-# Slower, better quality
+#### Slower, better quality
 
 `-crf 18 -preset slow`
diff --git a/timelapse.md b/timelapse.md
@@ -0,0 +1,12 @@
+### Convert sequence of JPEG images to MP4 video
+
+`ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4`
+
+`-r 24` - output frame rate
+`-start_number 32` - if filenames don't start at 0000, then specify start number
+`-i DSC_%04d.JPG` - e.g. DSC_0397.JPG
+`-s hd1080` - 1920x1080 resolution
+
+# Slower, better quality
+
+`-crf 18 -preset slow`
diff --git a/timelapse.sh b/timelapse.sh
@@ -1,6 +0,0 @@
-ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4
-
-# -r 24 - output frame rate
-# -start_number 32 - if filenames don't start at 0000, then specify start number
-# -i DSC_%04d.JPG - e.g. DSC_0397.JPG
-# -s hd1080 - 1920x1080 resolution

diff --git a/timelapse.sh b/timelapse.sh
@@ -1,5 +1,6 @@
 ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4
 
 # -r 24 - output frame rate
+# -start_number 32 - if filenames don't start at 0000, then specify start number
 # -i DSC_%04d.JPG - e.g. DSC_0397.JPG
 # -s hd1080 - 1920x1080 resolution
diff --git a/timelapse.sh b/timelapse.sh
@@ -0,0 +1,5 @@
+ffmpeg  -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4
+
+# -r 24 - output frame rate
+# -i DSC_%04d.JPG - e.g. DSC_0397.JPG
+# -s hd1080 - 1920x1080 resolution