Changelog

13 February 2011 - New image format (tiff)

| Format Name | Description | Allowed values: | Default values: |
| image_format | [<span style="color:#ff0000;">required</span>] — Format of resulting image. | jpg, png, gif, tiff | jpg |

16 October 2010 - WebM/VP8 and Ogg/Theora presets added

Format NameDescriptionAllowed ValuesDefault Values
output(required) — output format. Specify format of encoded file.flv, fl9, wmv, 3gp, mp4, m4v, ipod, iphone, ipad, android, ogg, webm, appletv, psp, zune, mp3, wma, m4a, thumbnail*, image , mpeg2 *, iphone_stream, ipad_stream ****. 
video_codecVideo codec.flv: flv, libx264, vp6 fl9: libx264wmv, zune: wmv2, msmpeg43gp, android: h263, mpeg4, libx264m4v: mpeg4mp4, ipod, iphone, ipad, appletv, psp: mpeg4, libx264ogg: libtheora**webm: libvpxmp3, wma: nonempeg2: mpeg2videoflv: flv fl9, ipod, iphone, ipad: libx264wmv, zune: wmv23gp: h263mp4, m4v,appletv, psp, android: mpeg4ogg: libtheorawebm: libvpxmpeg2: mpeg2video
audio_bitrateAudio bitrate.Nk - where N is any non-zero integer3gp: 4.75k, 5.15k, 5.9k, 6.7k, 7.4k, 7.95k, 10.2k, 12.2kflv, wmv, mp3, wma, zune: 32k, 40k, 48k, 56k, 64k, 80k, 96k, 112k, 128k, 144k, 160k, 192k, 224k, 256k, 320kogg, webm: 45k,64k, 80k, 96k, 112k, 128k, 160k, 192k, 224k, 256k, 320k, 500kAll: 64k3gp, android: 12.2kipod, iphone, ipad, psp: 128k
audio_sample_rateAudio sampling frequency (Hz).All: any non-zero integer.3gp: 8000flv, mp3: 11025, 22050, 44100ogg, webm: 16000, 32000, 44100, 22050, 11025, 192000wmv, wma, zune: 11025, 22050, 32000, 44100, 48000mpeg2: 44100, 48000All: none3gp, android: 8000flv, mp3, zune, mpeg2: 44100
audio_codecAudio codec.mp3: libmp3lamem4a: libfaacflv: libmp3lame, libfaacfl9, mp4, m4v, ipod, iphone, ipad, appletv, psp: libfaacwmv, wma, zune: wmav2, libmp3lameogg, webm: libvorbis3gp: libamr_nbandroid: libamr_nb, libfaacmpeg2: pcm_s16be, pcm_s16leflv, mp3: libmp3lamefl9, mp4, m4v, ipod, iphone, ipad, appletv, psp: libfaacwmv, zune: wmav2ogg, webm: libvorbis3gp, android: libamr_nbmpeg2: pcm_s16bem4a: libfaac

12 October 2010 - VP6 Flix

| Format Name | Description | Allowed Values / Description | | output | (required) – output format. Specify format of encoded file. | flv, fl9, wmv, 3gp, mp4, m4v, ipod, iphone, ipad, android, ogg, webm, appletv, psp, zune, mp3, wma, m4a, thumbnail , image ,mpeg2, iphone_stream, ipad_stream, vp6_flix . | | vp6_profile | | Encoding profile | | noise_reduction | | Determines the level of noise filtering to apply in the preprocessor. | | upct | | Parameter for undershoot percentage. | | kfinttype | | Keyframe interval type. | | keyframe | | Keyframe period (in frames) | | sharpness | | Controls the sharpness of the image in the output | | cxmode | | Compress mode | | logo_transparent | | Transparent color mask. Use for vp6_flix format only. |

29 September 2010 - Metadata tags added

Format NameDescription
title— Title of the media
copyright— Copyright information
author— Source author
description— Media description
album— Media album

16 September 2010 - Hinting MP4 files

Format NameDescriptionAllowed ValuesDefault Values
hintMP4 only. Whether to add RTP data (for streaming servers).yes, no.All: Nonemp4: no

29 July 2010 - Android preset added

| Format Name | Description | Allowed Values |
| output | [<span style="color:#ff0000;">required</span>] — output format. Specify format of encoded file. | flv, fl9, wmv, 3gp, mp4, m4v, ipod, iphone, ipad, android, appletv, psp, zune, mp3, wma, m4a, thumbnail*, image , mpeg2 *, iphone_stream, ipad_stream ****. |