Welcome
Examples
Welcome
Examples
Below are more examples for you to try out
Generate multiple thumbnails from video
Rendi JSON body Command for run-ffmpeg-command:
{
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "thumbnail1.jpg",
"out_2": "thumbnail2.jpg"
},
"ffmpeg_command": "-i {{in_1}} -filter_complex [0:v]split=2[first][second];[first]select='gte(t,10)'[thumb1];[second]select='gte(t,20)'[thumb2] -map [thumb1] -frames:v 1 {{out_1}} -map [thumb2] -frames:v 1 {{out_2}}"
}
Run command:
curl --request POST \
--url https://api.rendi.dev/v1/run-ffmpeg-command \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '{
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "thumbnail1.jpg",
"out_2": "thumbnail2.jpg"
},
"ffmpeg_command": "-i {{in_1}} -filter_complex [0:v]split=2[first][second];[first]select='\''gte(t,10)'\''[thumb1];[second]select='\''gte(t,20)'\''[thumb2] -map [thumb1] -frames:v 1 {{out_1}} -map [thumb2] -frames:v 1 {{out_2}}"
}'
Running this command will return the command_id:
{
"command_id": "f6bb88cb-83a9-4ea5-b763-078bff3431d4"
}
Poll result:
curl --request GET \
--url https://api.rendi.dev/v1/commands/f6bb88cb-83a9-4ea5-b763-078bff3431d4 \
--header 'X-API-KEY: <api-key>'
On SUCCESS
{
"output_files": {
"out_1": {
"file_id": "eba1a713-4631-4ccb-9ef8-b727a9f7f274",
"size_mbytes": 0.08534908294677734,
"file_type": "image",
"file_format": "jpg",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/f6bb88cb-83a9-4ea5-b763-078bff3431d4/thumbnail1.jpg",
"width": 1280,
"height": 720
},
"out_2": {
"file_id": "d8278ca9-cede-4677-b8d2-374afc4604fc",
"size_mbytes": 0.03953361511230469,
"file_type": "image",
"file_format": "jpg",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/f6bb88cb-83a9-4ea5-b763-078bff3431d4/thumbnail2.jpg",
"width": 1280,
"height": 720
}
},
"status": "SUCCESS",
"original_request": {
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "thumbnail1.jpg",
"out_2": "thumbnail2.jpg"
},
"ffmpeg_command": "-i {{in_1}} -filter_complex [0:v]split=2[first][second];[first]select='gte(t,10)'[thumb1];[second]select='gte(t,20)'[thumb2] -map [thumb1] -frames:v 1 {{out_1}} -map [thumb2] -frames:v 1 {{out_2}}"
},
"ffmpeg_command_run_seconds": 0.8197736740112305,
"total_processing_seconds": 5.868829
}
Create several trimmed videos with different resolutions
Rendi JSON body Command for run-ffmpeg-command:
{
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "output_320p.mp4",
"out_2": "output_180p.mp4"
},
"ffmpeg_command": "-i {{in_1}} -ss 00:00 -to 00:30 -filter_complex [0:v]split=2[vid1][vid2];[vid1]scale=trunc(oh*a/2)*2:320:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:320:-1:-1[320p];[vid2]scale=trunc(oh*a/2)*2:180:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:180:-1:-1[180p] -map [320p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_1}} -map [180p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_2}}"
}
curl --request POST \
--url https://api.rendi.dev/v1/run-ffmpeg-command \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '{
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "output_320p.mp4",
"out_2": "output_180p.mp4"
},
"ffmpeg_command": "-i {{in_1}} -ss 00:00 -to 00:30 -filter_complex [0:v]split=2[vid1][vid2];[vid1]scale=trunc(oh*a/2)*2:320:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:320:-1:-1[320p];[vid2]scale=trunc(oh*a/2)*2:180:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:180:-1:-1[180p] -map [320p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_1}} -map [180p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_2}}"
}'
Running this command will return the command_id:
{
"command_id": "42c95292-d953-4b5a-8a58-cf1513363a33"
}
Poll result:
curl --request GET \
--url https://api.rendi.dev/v1/commands/42c95292-d953-4b5a-8a58-cf1513363a33 \
--header 'X-API-KEY: <api-key>'
On SUCCESS
{
"output_files": {
"out_1": {
"file_id": "f775b15d-67e9-4235-b89f-4bb33c0a5f57",
"size_mbytes": 2.2677812576293945,
"duration": 30.0,
"file_type": "video",
"file_format": "mp4",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/42c95292-d953-4b5a-8a58-cf1513363a33/output_320p.mp4",
"width": 568,
"height": 320,
"codec": "h264",
"frame_rate": 24.0,
"bitrate_video_kb": 370.5654296875,
"bitrate_audio_kb": 242.349609375,
"is_varying_frame_rate": false
},
"out_2": {
"file_id": "9df00eca-3221-49c6-8a64-07850c9a5921",
"size_mbytes": 29.620187759399414,
"duration": 596.459,
"file_type": "video",
"file_format": "mp4",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/42c95292-d953-4b5a-8a58-cf1513363a33/output_180p.mp4",
"width": 320,
"height": 180,
"codec": "h264",
"frame_rate": 24.0,
"bitrate_video_kb": 160.955078125,
"bitrate_audio_kb": 239.9833984375,
"is_varying_frame_rate": false
}
},
"status": "SUCCESS",
"original_request": {
"input_files": {
"in_1": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "output_320p.mp4",
"out_2": "output_180p.mp4"
},
"ffmpeg_command": "-i {{in_1}} -ss 00:00 -to 00:30 -filter_complex [0:v]split=2[vid1][vid2];[vid1]scale=trunc(oh*a/2)*2:320:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:320:-1:-1[320p];[vid2]scale=trunc(oh*a/2)*2:180:force_original_aspect_ratio=decrease,pad=trunc(oh*a/2)*2:180:-1:-1[180p] -map [320p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_1}} -map [180p] -map 0:a -c:a copy -c:v libx264 -preset medium {{out_2}}"
},
"ffmpeg_command_run_seconds": 19.58051347732544,
"total_processing_seconds": 24.955581
}
Combine images with audio to create a video
Rendi JSON body Command for run-ffmpeg-command:
{
"input_files": {
"in_img_1": "https://storage.rendi.dev/sample/bbb-splash.png",
"in_img_2": "https://storage.rendi.dev/sample/rodents.png",
"in_img_3": "https://storage.rendi.dev/sample/evil-frank.png",
"in_audio_1": "https://storage.rendi.dev/sample/Neon%20Lights.mp3"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-loop 1 -t 5 -i {{in_img_1}} -loop 1 -t 5 -i {{in_img_2}} -loop 1 -t 5 -i {{in_img_3}} -i {{in_audio_1}} -filter_complex [0:v][1:v][2:v]concat=n=3:v=1:a=0,format=yuv420p[v] -map [v] -map 3:a -c:v libx264 -c:a aac -shortest {{out_1}}"
}
Run command:
curl --request POST \
--url https://api.rendi.dev/v1/run-ffmpeg-command \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '{
"input_files": {
"in_img_1": "https://storage.rendi.dev/sample/bbb-splash.png",
"in_img_2": "https://storage.rendi.dev/sample/rodents.png",
"in_img_3": "https://storage.rendi.dev/sample/evil-frank.png",
"in_audio_1": "https://storage.rendi.dev/sample/Neon%20Lights.mp3"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-loop 1 -t 5 -i {{in_img_1}} -loop 1 -t 5 -i {{in_img_2}} -loop 1 -t 5 -i {{in_img_3}} -i {{in_audio_1}} -filter_complex [0:v][1:v][2:v]concat=n=3:v=1:a=0,format=yuv420p[v] -map [v] -map 3:a -c:v libx264 -c:a aac -shortest {{out_1}}"
}'
Running this command will return the command_id:
{
"command_id": "644c1ce5-57a5-423d-9b55-052fb087674e"
}
Poll result:
curl --request GET \
--url https://api.rendi.dev/v1/commands/644c1ce5-57a5-423d-9b55-052fb087674e \
--header 'X-API-KEY: <api-key>'
On SUCCESS
{
"output_files": {
"out_1": {
"file_id": "10cfed0c-f25f-4b29-a58d-ffa563bc57e8",
"size_mbytes": 1.0871257781982422,
"duration": 15.001,
"file_type": "video",
"file_format": "mp4",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/644c1ce5-57a5-423d-9b55-052fb087674e/output.mp4",
"width": 1920,
"height": 1080,
"codec": "h264",
"frame_rate": 25.0,
"bitrate_video_kb": 453.5546875,
"bitrate_audio_kb": 132.6640625,
"is_varying_frame_rate": false
}
},
"status": "SUCCESS",
"original_request": {
"input_files": {
"in_img_1": "https://storage.rendi.dev/sample/bbb-splash.png",
"in_img_2": "https://storage.rendi.dev/sample/rodents.png",
"in_img_3": "https://storage.rendi.dev/sample/evil-frank.png",
"in_audio_1": "https://storage.rendi.dev/sample/Neon%20Lights.mp3"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-loop 1 -t 5 -i {{in_img_1}} -loop 1 -t 5 -i {{in_img_2}} -loop 1 -t 5 -i {{in_img_3}} -i {{in_audio_1}} -filter_complex [0:v][1:v][2:v]concat=n=3:v=1:a=0,format=yuv420p[v] -map [v] -map 3:a -c:v libx264 -c:a aac -shortest {{out_1}}"
},
"ffmpeg_command_run_seconds": 6.009521722793579,
"total_processing_seconds": 10.877786
}
Music credit to https://www.fiftysounds.com/music/neon-lights.mp3
Add srt subtitles to video
Rendi JSON body Command for run-ffmpeg-command:
{
"input_files": {
"in_video": "https://storage.rendi.dev/sample/sample.avi",
"in_srt": "https://storage.rendi.dev/sample/subtitles.srt"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-i {{in_video}} -ss 00:00 -to 01:00 -vf subtitles={{in_srt}} -c:v libx264 -crf 20 -c:a aac -b:a 192k {{out_1}}"
}
Run command:
curl --request POST \
--url https://api.rendi.dev/v1/run-ffmpeg-command \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '{
"input_files": {
"in_video": "https://storage.rendi.dev/sample/sample.avi",
"in_srt": "https://storage.rendi.dev/sample/subtitles.srt"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-i {{in_video}} -ss 00:00 -to 01:00 -vf subtitles={{in_srt}} -c:v libx264 -crf 20 -c:a aac -b:a 192k {{out_1}}"
}'
Running this command will return the command_id:
{
"command_id": "059946cd-2e7c-41b8-8a27-0b992f516d4f"
}
Poll result:
curl --request GET \
--url https://api.rendi.dev/v1/commands/059946cd-2e7c-41b8-8a27-0b992f516d4f \
--header 'X-API-KEY: <api-key>'
On SUCCESS
{
"output_files": {
"out_1": {
"file_id": "cb5b9186-4060-4942-ac4f-1dc9df5172be",
"size_mbytes": 13.946301460266113,
"duration": 60.0,
"file_type": "video",
"file_format": "mp4",
"storage_url": "https://storage.rendi.dev/temp_files/224ea098-5c10-419b-8a77-707d89443c56/059946cd-2e7c-41b8-8a27-0b992f516d4f/output.mp4",
"width": 854,
"height": 480,
"codec": "h264",
"frame_rate": 24.0,
"bitrate_video_kb": 1710.490234375,
"bitrate_audio_kb": 188.927734375,
"is_varying_frame_rate": false
}
},
"status": "SUCCESS",
"original_request": {
"input_files": {
"in_srt": "https://storage.rendi.dev/sample/subtitles.srt",
"in_video": "https://storage.rendi.dev/sample/sample.avi"
},
"output_files": {
"out_1": "output.mp4"
},
"ffmpeg_command": "-i {{in_video}} -ss 00:00 -to 01:00 -vf subtitles={{in_srt}} -c:v libx264 -crf 20 -c:a aac -b:a 192k {{out_1}}"
},
"ffmpeg_command_run_seconds": 7.182231664657593,
"total_processing_seconds": 11.956641
}
Credit to www.bigbuckbunny.org for the video and image files.