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avthumb参数formats格式及解释

最近更新时间: 2023-12-11 14:47:15

https://developer.qiniu.com/dora/api/audio-and-video-transcoding-avthumb

参数 `format`：目标音频（比如 mp3 m4a 等）或视频（比如 avi 、flv 、mp4等）格式。

该参数支持具体格式如下表：

formats	description
3g2	3GP2 (3GPP2 file format)
3gp	3GP (3GPP file format)
a64	a64 video for Commodore 64
ac3	raw AC-3
adts	ADTS AAC (Advanced Audio Coding)
adx	CRI ADX
aiff	Audio IFF
alaw	PCM A-law
amr	3GPP AMR
asf	ASF (Advanced / Active Streaming Format)
asf_stream	ASF (Advanced / Active Streaming Format)
ass	SSA (SubStation Alpha) subtitle
ast	AST (Audio Stream)
au	Sun AU
avi	AVI (Audio Video Interleaved)
avm2	SWF (ShockWave Flash) (AVM2)
bit	G.729 BIT file format
caf	Apple CAF (Core Audio Format)
cavsvideo	raw Chinese AVS (Audio Video Standard) video
crc	CRC testing
data	raw data
daud	D-Cinema audio
dirac	raw Dirac
dnxhd	raw DNxHD (SMPTE VC-3)
dts	raw DTS
dv	DV (Digital Video)
dvd	MPEG-2 PS (DVD VOB)
eac3	raw E-AC-3
f32be	PCM 32-bit floating-point big-endian
f32le	PCM 32-bit floating-point little-endian
f4v	F4V Adobe Flash Video
f64be	PCM 64-bit floating-point big-endian
f64le	PCM 64-bit floating-point little-endian
ffm	FFM (FFserver live feed)
ffmetadata	FFmpeg metadata in text
filmstrip	Adobe Filmstrip
flac	raw FLAC
flv	FLV (Flash Video)
framecrc	framecrc testing
framemd5	Per-frame MD5 testing
g722	raw G.722
g723_1	raw G.723.1
gif	GIF Animation
gxf	GXF (General eXchange Format)
h261	raw H.261
h263	raw H.263
h264	raw H.264 video
hls	Apple HTTP Live Streaming
ico	Microsoft Windows ICO
ilbc	iLBC storage
image2	image2 sequence
image2pipe	piped image2 sequence
ipod	iPod H.264 MP4 (MPEG-4 Part 14)
ircam	Berkeley/IRCAM/CARL Sound Format
ismv	ISMV/ISMA (Smooth Streaming)
ivf	On2 IVF
jacosub	JACOsub subtitle format
latm	LOAS/LATM
m4v	raw MPEG-4 video
matroska	Matroska
md5	MD5 testing
microdvd	MicroDVD subtitle format
mjpeg	raw MJPEG video
mkvtimestamp_v2	extract pts as timecode v2 format, as defined by mkvtoolnix
mlp	raw MLP
mmf	Yamaha SMAF
mov	QuickTime / MOV
mp2	MP2 (MPEG audio layer 2)
mp3	MP3 (MPEG audio layer 3)
m4a	M4A (MPEG-4 audio )
mp4	MP4 (MPEG-4 Part 14)
mpeg	MPEG-1 Systems / MPEG program stream
mpeg1video	raw MPEG-1 video
mpeg2video	raw MPEG-2 video
mpegts	MPEG-TS (MPEG-2 Transport Stream)
mpjpeg	MIME multipart JPEG
mulaw	PCM mu-law
mxf	MXF (Material eXchange Format)
mxf_d10	MXF (Material eXchange Format) D-10 Mapping
nut	NUT
ogg	Ogg
oma	Sony OpenMG audio
psp	PSP MP4 (MPEG-4 Part 14)
rawvideo	raw video
rm	RealMedia
roq	raw id RoQ
rso	Lego Mindstorms RSO
rtp	RTP output
rtsp	RTSP output
s16be	PCM signed 16-bit big-endian
s16le	PCM signed 16-bit little-endian
s24be	PCM signed 24-bit big-endian
s24le	PCM signed 24-bit little-endian
s32be	tPCM signed 32-bit big-endian
s32le	PCM signed 32-bit little-endian
s8	PCM signed 8-bit
sap	SAP output
segment	segment
smjpeg	Loki SDL MJPEG
smoothstreaming	Smooth Streaming Muxer
sox	SoX native
spdif	IEC 61937 (used on S/PDIF - IEC958)
srt	SubRip subtitle
stream_segment	streaming segment muxer
ssegment	streaming segment muxer
svcd	MPEG-2 PS (SVCD)
swf	SWF (ShockWave Flash)
tee	Multiple muxer tee
truehd	raw TrueHD
u16be	PCM unsigned 16-bit big-endian
u16le	PCM unsigned 16-bit little-endian
u24be	PCM unsigned 24-bit big-endian
u24le	PCM unsigned 24-bit little-endian
u32be	PCM unsigned 32-bit big-endian
u32le	PCM unsigned 32-bit little-endian
u8	PCM unsigned 8-bit
vc1	raw VC-1 video
vc1test	VC-1 test bitstream
vcd	MPEG-1 Systems / MPEG program stream (VCD)
vob	MPEG-2 PS (VOB)
voc	Creative Voice
w64	Sony Wave64
wav	WAV / WAVE (Waveform Audio)
webm	Matroska / WebM
webvtt	WebVTT subtitle
wtv	Windows Television (WTV)
wv	raw WavPack
yuv4mpegpipe	YUV4MPEG pipe

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avthumb参数formats格式及解释

参数 format：目标音频（比如 mp3 m4a 等）或视频（比如 avi 、flv 、mp4等）格式。

参数 `format`：目标音频（比如 mp3 m4a 等）或视频（比如 avi 、flv 、mp4等）格式。