query: FFMPEG and input video-any way to retrieve height & width dynamically?
positive_passages.docid: 3554
positive_passages.text: Resizing videos with ffmpeg/avconv to fit into static sized player
negative_passages.docid: 61702
negative_passages.text: Does Mathematica support variable frame rate for any video format, in analogue of GIF-style "DisplayDurations"?
negative_passages.docid: 30137
negative_passages.text: How do I retrieve an HTML element's actual width and height?
negative_passages.docid: 106876
negative_passages.text: Vertically or horizontally stack (mosaic) several videos using ffmpeg?
negative_passages.docid: 60112
negative_passages.text: How do I extract the timestamps associated with frames ffmpeg extracts from a video with the -r option?
negative_passages.docid: 43519
negative_passages.text: Converting .mov files to .mp4 using FFmpeg
negative_passages.docid: 88453
negative_passages.text: FFMPEG video from images comes out same (yet incorrect) duration regardless of frame rate
negative_passages.docid: 32488
negative_passages.text: How to get video duration, dimension and size in PHP?
negative_passages.docid: 150633
negative_passages.text: ffmpeg - how to apply filters without losing quality
negative_passages.docid: 116161
negative_passages.text: Can I use javascript to dynamically change a video's source?
negative_passages.docid: 45346
negative_passages.text: Get number of frames in scene from the command line?
negative_passages.docid: 21496
negative_passages.text: How do I speed up a video by 60X in ffmpeg?
negative_passages.docid: 104081
negative_passages.text: What file extensions does ffmpeg support?
negative_passages.docid: 128733
negative_passages.text: How to check video memory size?
negative_passages.docid: 46766
negative_passages.text: How to get object size in memory?
negative_passages.docid: 119313
negative_passages.text: How can I use ffmpeg to output a screenshot gallery / mosaic?
negative_passages.docid: 72558
negative_passages.text: How to create a video from images with FFmpeg?