Android支持的媒体格式

Android支持的媒体格式

Android平台支持的基本媒体格式列表如下表：

Type	Format	Encoder	Decoder	Details	File Type(s) Supported
Audio	AAC LC/LTP		X	Mono/Stereo content in any combination of standard bit rates up to 160 kbps and sampling rates from 8 to 48kHz	3GPP (.3gp) and MPEG-4 (.mp4, .m4a). No support for raw AAC (.aac)
	HE-AACv1 (AAC+)		X
	HE-AACv2 (enhanced AAC+)		X
	AMR-NB	X	X	4.75 to 12.2 kbps sampled @ 8kHz	3GPP (.3gp)
	AMR-WB		X	9 rates from 6.60 kbit/s to 23.85 kbit/s sampled @ 16kHz	3GPP (.3gp)
	MP3		X	Mono/Stereo 8-320Kbps constant (CBR) or variable bit-rate (VBR)	MP3 (.mp3)
	MIDI		X	MIDI Type 0 and 1. DLS Version 1 and 2. XMF and Mobile XMF. Support for ringtone formats RTTTL/RTX, OTA, and iMelody	Type 0 and 1 (.mid, .xmf, .mxmf). Also RTTTL/RTX (.rtttl, .rtx), OTA (.ota), and iMelody (.imy)
	Ogg Vorbis		X		Ogg (.ogg)
	PCM/WAVE		X	8- and 16-bit linear PCM (rates up to limit of hardware)	WAVE (.wav)
Image	JPEG	X	X	Base+progressive	JPEG (.jpg)
	GIF		X		GIF (.gif)
	PNG		X		PNG (.png)
	BMP		X		BMP (.bmp)
Video	H.263	X	X		3GPP (.3gp) and MPEG-4 (.mp4)
	H.264 AVC		X		3GPP (.3gp) and MPEG-4 (.mp4)
	MPEG-4 SP		X		3GPP (.3gp)

除了上面列出的基本的媒体格式外，不同硬件的手机还可能具有自己特有的一些媒体格式的编解码能力，这一点需要开发者留意。

T-Mobile G1 额外支持的媒体格式：

Type	Format	Encoder	Decoder	Comment	File Type(s) Supported
Audio	WMA		X	Supports WMA standard L1-L3: · L1: 64 kbps - 161 kbps @ 44.1kHz · L2: <=161 kbps <=48 kHz · L3: <385 kbps <=48 kHz Mono and stereo profiles with 16-bits per sample. Decoder does not support WMA Pro, Lossless, or Speech codecs.	Windows Media Audio (.wma)
Video	WMV		X	Versions 7, 8 and 9. Simple profile only	Windows Media Video (.wmv)
	H.264AVC		X	On the G1, this decoder is limited to baseline profile up to 480x320, and 600 kbps average bitrate for the video stream.	3GPP (.3gp) and MPEG-4 (.mp4)

参考资料：

Android1.5SDK官方文档：android-sdk-windows-1.5_r3/docs/guide/appendix/media-formats.html