Preset Transcode Instruction Descriptions
Last update：2020-07-06 14:35:51
| Name of preset instruction | Equivalent ops instruction | Description |
|---|---|---|
| audio-HLS-32K | avthumb/m3u8/segtime/10/preset/audio_32k | Audio segmentation, audio with bit rate of 32k. |
| audio-HLS-48K | avthumb/m3u8/segtime/10/preset/audio_48k | Audio segmentation, audio with bit rate of 48k. |
| audio-HLS-64K | avthumb/m3u8/segtime/10/preset/audio_64k | Audio segmentation, audio with bit rate of 64k. |
| video-HLS-1000K | avthumb/m3u8/segtime/10/preset/video_1000k | Video segmentation with bit rate of 1000K, uses video settings for aspect ratio. |
| video-HLS-150K | avthumb/m3u8/segtime/10/preset/video_150k | Video segmentation with bit rate of 150K, uses source video settings for aspect ratio. |
| video-HLS-240K | avthumb/m3u8/segtime/10/preset/video_240k | Video segmentation with bit rate of 240K, uses source video settings for aspect ratio. |
| video-HLS-640K | avthumb/m3u8/segtime/10/preset/video_640k | Video segmentation with bit rate of 640K, uses source video settings for aspect ratio. |
| video-mp4-720P | avthumb/mp4/ab/160k/ar/44100/acodec/ libfaac/r/30/vb/2400k/vcodec/ libx264/s/1280x720/autoscale/1/stripmeta/0 |
Converts video to 720P mp4. |
| video-mp4-480P-4:3 | avthumb/mp4/ab/128k/ar/44100/acodec/ libfaac/r/30/vb/900k/vcodec/ libx264/s/640x480/autoscale/1/stripmeta/0 |
Converts video to 480P mp4, aspect ratio is 4:3. |
| video-mp4-480P-16:9 | avthumb/mp4/ab/128k/ar/44100/acodec/ libfaac/r/30/vb/1200k/vcodec/ libx264/s/854x480/autoscale/1/stripmeta/0 |
Converts video to 480P mp4, aspect ratio is 16:9. |
| video-mp4-360P-4:3 | avthumb/mp4/ab/128k/ar/44100/acodec/ libfaac/r/30/vb/600k/vcodec/ libx264/s/480x360/autoscale/1/stripmeta/0 |
Converts video to 360P mp4, aspect ratio is 4:3. |
| video-mp4-360P-16:9 | avthumb/mp4/ab/128k/ar/44100/acodec/ libfaac/r/30/vb/720k/vcodec/ libx264/s/640x360/autoscale/1/stripmeta/0 |
Converts video to 360P mp4, aspect ratio is 16:9. |
| audio-AAC-64K | avthumb/mp4/ab/64k/ar/44100/acodec/libfaac | Audio 64K |
| audio-AAC-128K | avthumb/mp4/ab/128k/ar/44100/acodec/libfaac | Audio 128K |
| audio-AAC-256K | avthumb/mp4/ab/256k/ar/44100/acodec/libfaac | Audio 256K |
| Segmentation - Retains audio/video encoding scheme | avthumb/m3u8/vcodec/copy/acodec/copy | Audio/video segmentation, retains original file’s encoding scheme. |
| Converts to MP4 - Retains audio/video encoding scheme | avthumb/mp4/vcodec/copy/acodec/copy/moovToFront/1 | Converts to MP4, retains original file’s encoding scheme |
| video-mp4-1080P | avthumb/mp4/ab/160k/ar/44100/acodec/ libfaac/r/30/vb/5400k/vcodec/ libx264/s/1920x1080/autoscale/1/stripmeta/0 |
Converts video to 1080 Pmp4. |
| Converts to FLV - Retains audio/video encoding scheme | avthumb/flv/vcodec/copy/acodec/copy | Converts to FLV - Retains audio/video encoding scheme |
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