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ffmpeg.txt
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C:\Programi\ffmpeg\bin>ffmpeg -y -i "C:\D\ff\The Mating Habits Of The Earthbound Human.mp4" -i "C:\D\ff\1test.srt" -c:v libx264 -preset veryfast -crf 24 -c:a libmp3lame -b:a 128k -c:s srt "C:\D\ff\test.mkv"
to add language metadata (insert before output file) "-metadata:s:s:0 language=eng"
ffmpeg -y -i "C:\D\Matrix\The Matrix (1999).mkv" -f srt -i "C:\D\Matrix\The Matrix (1999).no.srt" -c:v copy -c:a copy -c:s mov_text -metadata:s:s:0 language=nob "C:\D\Matrix\The Matrix (1999).1.mp4"
ffmpeg -i input.mp4 -i subtitles.srt -c copy -c:s mov_text -map 0 -map 1 -map_metadata 0 output.mp4
Copy video and encode only 1st audio stream with amplification of 2.5 dB:
ffmpeg -y -i "C:\D\ff\Death At A Funeral (2007).mp4" -c:v copy -c:a:0 libmp3lame -b:a 128k -af volume=2.5 "C:\D\ff\Death At A Funeral (2007).1.mp4"
Add srt as stream and select only 1st audio track with amplification:
ffmpeg -y -i "C:\D\ff\Death At A Funeral (2007).x.mp4" -f srt -i "C:\D\ff\Death At A Funeral (2007).srt" -c:v copy -c:a:0 libmp3lame -b:a 128k -af volume=1.5 -c:s mov_text "C:\D\ff\Death At A Funeral (2007).1.mp4"
rotate video 180 degrees:
ffmpeg -y -i "C:\D\ff\2015_07_03\20150701_155124.1.mp4" -vf "vflip" "C:\D\ff\2015_07_03\20150701_155124.2.mp4"
rotate clockwise:
ffmpeg -y -i "C:\D\ff\2015_07_03\20150630_190031.1.mp4" -vf "transpose=1" "C:\D\ff\2015_07_03\20150630_190031.2.mp4"
rotate counter clockwise:
ffmpeg -y -i "C:\D\ff\2015_07_03\20150630_190031.1.mp4" -vf "transpose=2" "C:\D\ff\2015_07_03\20150630_190031.2.mp4"
get streams info:
ffprobe -v quiet -print_format json -show_format -show_streams "C:\downloads\ff\test.mp4"
hard subtitles - video overlay:
ffmpeg -i input.wmv -vf "subtitles=sub.srt" \
-c:v libx264 -crf 20 \
-c:a aac -b:a 192k
output.mp4
???
C:\Programi\ffmpeg>ffmpeg -y -i "C:\downloads\ff\test.mp4" -vf "subtitles=test.srt" -c:v libx264 -c:a copy "C:\downloads\ff\test.s.mp4"
Extract image from video
Use -qscale:v (or the alias -q:v) as an output option. Effective range for JPEG is 2-31 with 31 being the worst quality. I recommend trying values of 2-5.
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i "C:\downloads\ff\test.mp4" -qscale:v 2 -vframes 1 "C:\downloads\ff\test.jpg"
/c ffmpeg -ss 60 -i "C:\downloads\ff\mala_ila.mp4" -qscale:v 2 -vframes 1 "C:\Users\ba100065\Documents\Visual Studio 2015\Projects\VTC\bin\Release\test.jpg"
ffplay -vf scale=1280:-1 "C:\downloads\ff\test.3.mkv"
To join 2 or more files:
C:\Programi\ffmpeg>ffmpeg -f concat -i "C:\downloads\ff\spoji.txt" -c copy "C:\downloads\ff\sekspir.
mpg"
...
spoji.txt:
file C:\\downloads\\ff\\HRT-TV1-1.mpg
file C:\\downloads\\ff\\HRT-TV1-2.mpg
....
JSON deserialize:
public class Account
{
public string Email { get; set; }
public bool Active { get; set; }
public DateTime CreatedDate { get; set; }
public List<string> Roles { get; set; }
}
Account account = new Account
{
Email = "[email protected]",
Active = true,
CreatedDate = new DateTime(2013, 1, 20, 0, 0, 0, DateTimeKind.Utc),
Roles = new List<string>
{
"User",
"Admin"
}
};
string json = @"{
'Active': false,
'Roles': [
'Expired'
]
}";
JsonConvert.PopulateObject(json, account);
...
Console.WriteLine(string.Join(", ", account.Roles.ToArray()));
// User, Admin, Expired
ffmpeg json:
video: find streams[x].codec_type == "video"
streams[0].index = 0
streams[0].codec_long_name = "h264" //format string
streams[0].profile = "High"
streams[0].coded_width = 1920
streams[0].coded_height = 1080
streams[0].r_frame_rate = 30000/1001
streams[0].duration = 75.608867
streams[0].bit_rate = 6881514
...
audio: find all streams (array) streams[x].codec_type == "audio"
streams[1].index = 1
streams[1].codec_long_name = "mp3" //format string
streams[1].channel_layout = ""mono""
streams[1].duration = 75.608867 // use if only audio present
streams[1].bit_rate = 128000 // use if only audio present
streams[1].tags.language = "eng"
...
subtitle: find all streams (array) streams[x].codec_type == "subtitle"
streams[2].index = 2
streams[2].codec_name = "mov_text"
streams[2].tags.language = "und"
...
format.filename = "C:\\downloads\\ff\\test.2.mp4"
format.size = 66339827
H.265 HEVC
ffmpeg -threads 64 -y -i "C:\downloads\ff\h265.mkv" -map 0:0 -map 0:1? -c:v copy -c:a copy "C:\downloads\ff\h265.1.mp4"
C:\Programi\ffmpeg>ffmpeg -threads 3 -y -i "C:\downloads\ff\Seven Samurai (1954).mp4" -map 0:0 -map
0:1? -map 0:2 -c:v hevc_qsv -load_plugin hevc_hw -preset fast -crf 28 -c:a copy -c:s copy "C:\downlo
ads\ff\Seven Samurai (1954).h265.mp4"
RTSP stream record:
konverzija:
ffmpeg -y -rtsp_transport tcp -i "rtsp://192.168.0.100:8080/video/h264" -c:v libx264 -preset superfast -crf 28 -an -r 10 "d:\Download\ipcam.mp4"
bez konverzije:
ffmpeg -y -rtsp_transport tcp -i "rtsp://192.168.0.100:8080/video/h264" -c copy -map 0 "d:\Download\ipcam.mp4"
snimanje segmenata po 60 sekundi FPS=10:
ffmpeg -y -rtsp_transport tcp -i "rtsp://192.168.0.101:8080/video/h264" -f segment -segment_time 60 -segment_format mp4 -reset_timestamps 1 -strftime 1 -c copy -map 0 -r 10 "d:\Download\ipcam--%Y%m%d-%H%M.mp4"
ffmpeg -y -i "rtsp://freja.hiof.no:1935/rtplive/_definst_/hessdalen02.stream" -f segment -segment_time 60 -segment_format mp4 -reset_timestamps 1 -strftime 1 -c copy -map 0 -r 10 "d:\\Download\\frejacam--%Y%m%d-%H%M.mp4"
./ffmpeg -y -rtsp_transport tcp -i "rtsp://freja.hiof.no:1935/rtplive/_definst_/hessdalen03.stream" -f segment -segment_time 60 -segment_format mp4 -reset_timestamps 1 -strftime 1 -c copy -map 0 -an -r 10 "/var/media/USB_500G/z/recordings/frejacam--%Y%m%d-%H%M.mp4"
HTTP stream record:
ffmpeg -i "http://lyd.nrk.no:80/nrk_radio_klassisk_aac_h?_hdr=0" -map 0:0 -map 0:1? -vn -c:a libmp3lame -b:a 192k "C:\Users\z\Music\nrk.mp3"
NVIDIA:
ffmpeg -y -hwaccel cuvid -c:v h264_cuvid -vsync 0 -i <input.mp4> -vf scale_npp=1920:1072 -vcodec h264_nvenc <output0.264> -vf scale_npp=1280:720 -vcodec h264_nvenc <output1.264>
DirectX:
ffmpeg -y -hwaccel dxva2 -i "C:\Users\z\Videos\IMG_3595.1.mp4" -map 0:0 -map 0:1? -c:v libx264 -preset medium -crf 32 -vf scale=360:-2 -c:a copy "C:\Users\z\Videos\IMG_3595.2.mp4"
Test stream:
ffprobe -v quiet -print_format json -show_streams -stimeout 2000000 -i "rtsp://192.168.0.101:8080/video/h264"
ffplay -stimeout 1000000 "rtsp://192.168.0.101:8080/video/h264"
from time copy specific duration (60 seconds) to output:
ffmpeg -i input.mp3 -ss 00:02:15 -t 1:00 output.mp3
Capture Desktop into video:
ffmpeg -y -f dshow -f gdigrab -itsoffset 00:00:0.6 -i desktop -c:v libx264rgb -show_region 1 -framerate 24 -crf 25 -preset ultrafast output-file.mp4
ffmpeg -y -f x11grab -i :0.0 -c:v libx264rgb -framerate 24 -crf 25 -preset ultrafast output-linux.mp4
//add this in your initialisation
this.Window.AllowUserResizing = true;
this.Window.ClientSizeChanged += new EventHandler<EventArgs>(Window_ClientSizeChanged);
private bool WindowSizeIsBeingChanged = false;
void Window_ClientSizeChanged(object sender, EventArgs e)
{
WindowSizeIsBeingChanged = !WindowSizeIsBeingChanged
if(WindowSizeIsBeingChanged){
graphics.PreferredBackBufferWidth = Window.ClientBounds.Width;
graphics.PreferredBackBufferHeight = Window.ClientBounds.Height;
graphics.ApplyChanges();
}
}