ffmpeg
| 实例名 | 实例描述 |
|---|---|
| QualityHigh | (ffmpegutils.ScreenCaptureQuality) 2 |
| QualityLow | (ffmpegutils.ScreenCaptureQuality) 0 |
| QualityNormal | (ffmpegutils.ScreenCaptureQuality) 1 |
| 函数名 | 函数描述/介绍 |
|---|---|
| ffmpeg.BurnSRTIntoVideo | BurnSRTIntoVideo can burn subtitles into a video example: ``` outputFile, err = ffmpeg.BurnSRTIntoVideo("video.mp4", "subtitles.srt")... |
| ffmpeg.ExtractAudioFromVideo | ffmpeg.ExtractAudioFromVideo can extract audio from video example: ``` result, err = ffmpeg.ExtractAudioFromVideo("video.mp4") die(err) print... |
| ffmpeg.ExtractBroadGrainedFramesFromVideo | ffmpeg.ExtractBroadGrainedFramesFromVideo can extract fine-grained frames from video example: ``` result, err = ffmpeg.ExtractBroadGrainedFramesFro... |
| ffmpeg.ExtractFineGrainedFramesFromVideo | ffmpeg.ExtractFineGrainedFramesFromVideo can extract fine-grained frames from video example: ``` result, err = ffmpeg.ExtractFineGrainedFramesFromV... |
| ffmpeg.ExtractUserScreenshot | ffmpeg.ExtractUserScreenshot can capture user screen screenshots with multi-monitor support example: ``` result, err = ffmpeg.ExtractUserScreenshot()... |
| ffmpeg.withIgnoreBottomPaddingInSceneDetection | WithIgnoreBottomPaddingInSceneDetection controls whether scene detection should ignore the bottom padding area. When enabled, scene detection will onl... |
| ffmpeg.withOutputFile | WithOutputVideoFile specifies the path for the final output video. |
| ffmpeg.withScreenCaptureDebug | WithScreenCaptureDebug 启用屏幕截图调试信息 |
| ffmpeg.withScreenCaptureQuality | WithScreenCaptureQuality 设置屏幕截图质量 |
| ffmpeg.withStartEnd | WithStartEndSeconds specifies the time range for extraction in seconds. |
| ffmpeg.withSubtitlePadding | WithSubtitlePadding enables or disables adding black padding for subtitles. When enabled, black padding will be added to the bottom of the video where... |
| ffmpeg.withTimestampOverlay | WithTimestampOverlay enables or disables timestamp overlay on extracted frames. When enabled, a black bar will be added at the bottom of each frame di... |
函数定义#
BurnSRTIntoVideo#
详细描述#
BurnSRTIntoVideo can burn subtitles into a video
example:
outputFile, err = ffmpeg.BurnSRTIntoVideo("video.mp4", "subtitles.srt")die(err)println(outputFile)
// With simple mode (wavy calling)outputFile = ffmpeg.BurnSRTIntoVideo("video.mp4", "subtitles.srt")~
定义#
BurnSRTIntoVideo(inputVideo string, srtFile string, opts ...ffmpegutils.Option) (string, error)
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| inputVideo | string | |
| srtFile | string | |
| opts | ...ffmpegutils.Option |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | string | |
| r2 | error |
ExtractAudioFromVideo#
详细描述#
ffmpeg.ExtractAudioFromVideo can extract audio from video
example:
result, err = ffmpeg.ExtractAudioFromVideo("video.mp4")die(err)println(result.FilePath)// ------------dump(ffmpeg.ExtractAudioFromVideo("video.mp4")~)定义#
ExtractAudioFromVideo(i string, opts ...ffmpegutils.Option) (*ffmpegutils.AudioExtractionResult, error)
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| i | string | |
| opts | ...ffmpegutils.Option |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | *ffmpegutils.AudioExtractionResult | |
| r2 | error |
ExtractBroadGrainedFramesFromVideo#
详细描述#
ffmpeg.ExtractBroadGrainedFramesFromVideo can extract fine-grained frames from video
example:
result, err = ffmpeg.ExtractBroadGrainedFramesFromVideo("video.mp4");
for i in result { filename, err = i.SaveToFile(); if err != nil { continue } }
定义#
ExtractBroadGrainedFramesFromVideo(i string, opts ...ffmpegutils.Option) (<-chan *ffmpegutils.FfmpegStreamResult, error)
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| i | string | |
| opts | ...ffmpegutils.Option |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | <-chan *ffmpegutils.FfmpegStreamResult | |
| r2 | error |
ExtractFineGrainedFramesFromVideo#
详细描述#
ffmpeg.ExtractFineGrainedFramesFromVideo can extract fine-grained frames from video
example:
result, err = ffmpeg.ExtractFineGrainedFramesFromVideo("video.mp4");
for i in result { filename, err = i.SaveToFile(); if err != nil { continue } }
result = ffmpeg.ExtractFineGrainedFramesFromVideo("video.mp4", ffmpeg.withStartEnd(10, 20.5))~ // 10-20.5 seconds frames定义#
ExtractFineGrainedFramesFromVideo(i string, opts ...ffmpegutils.Option) (<-chan *ffmpegutils.FfmpegStreamResult, error)
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| i | string | |
| opts | ...ffmpegutils.Option |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | <-chan *ffmpegutils.FfmpegStreamResult | |
| r2 | error |
ExtractUserScreenshot#
详细描述#
ffmpeg.ExtractUserScreenshot can capture user screen screenshots with multi-monitor support
example:
result, err = ffmpeg.ExtractUserScreenshot()die(err)filename, err = result.SaveToFile()println(filename)
// With debug moderesult = ffmpeg.ExtractUserScreenshot(ffmpeg.withScreenCaptureDebug(true))~
// With high quality (无损压缩)result = ffmpeg.ExtractUserScreenshot(ffmpeg.withScreenCaptureQuality(ffmpeg.QualityHigh))~
// With normal quality (平衡质量和大小)result = ffmpeg.ExtractUserScreenshot(ffmpeg.withScreenCaptureQuality(ffmpeg.QualityNormal))~
// With low quality (快速截图，小文件)result = ffmpeg.ExtractUserScreenshot(ffmpeg.withScreenCaptureQuality(ffmpeg.QualityLow))~
// Screenshot is automatically concatenated if multiple screens are detected定义#
ExtractUserScreenshot(opts ...ffmpegutils.Option) (*ffmpegutils.FfmpegStreamResult, error)
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| opts | ...ffmpegutils.Option |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | *ffmpegutils.FfmpegStreamResult | |
| r2 | error |
withIgnoreBottomPaddingInSceneDetection#
详细描述#
WithIgnoreBottomPaddingInSceneDetection controls whether scene detection should ignore the bottom padding area. When enabled, scene detection will only analyze the original video content, ignoring changes in timestamp/subtitle areas. This is particularly useful when extracting frames with timestamps or subtitles to avoid false scene changes.
定义#
withIgnoreBottomPaddingInSceneDetection(enable bool) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| enable | bool |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withOutputFile#
详细描述#
WithOutputVideoFile specifies the path for the final output video.
定义#
withOutputFile(filepath string) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| filepath | string |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withScreenCaptureDebug#
详细描述#
WithScreenCaptureDebug 启用屏幕截图调试信息
定义#
withScreenCaptureDebug(enable bool) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| enable | bool |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withScreenCaptureQuality#
详细描述#
WithScreenCaptureQuality 设置屏幕截图质量
定义#
withScreenCaptureQuality(quality ScreenCaptureQuality) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| quality | ScreenCaptureQuality |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withStartEnd#
详细描述#
WithStartEndSeconds specifies the time range for extraction in seconds.
定义#
withStartEnd(start float64, end float64) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| start | float64 | |
| end | float64 |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withSubtitlePadding#
详细描述#
WithSubtitlePadding enables or disables adding black padding for subtitles. When enabled, black padding will be added to the bottom of the video where subtitles are displayed, ensuring subtitles don't cover the original video content.
定义#
withSubtitlePadding(enable bool) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| enable | bool |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |
withTimestampOverlay#
详细描述#
WithTimestampOverlay enables or disables timestamp overlay on extracted frames. When enabled, a black bar will be added at the bottom of each frame displaying the timestamp.
定义#
withTimestampOverlay(show bool) Option
参数#
| 参数名 | 参数类型 | 参数解释 |
|---|---|---|
| show | bool |
返回值#
| 返回值(顺序) | 返回值类型 | 返回值解释 |
|---|---|---|
| r1 | Option |