Media formats supported by Android

Source: Internet
Author: User
Tags webp

As an application developer, you can use any media codecs in any format that are valid on Android devices for free, including the codecs provided by Android platforms and devices. However, it is best to use a device-independent Media Encoding configuration file.

Network Protocol

The following network protocols are supported for audio and video playback:


2. HTTP/HTTPS real-time stream

3. HTTP/HTTPS Live Streaming draft protocol:

Only for MPEG-2 TS Streaming Media files;

Protocol Version 3 (Android4.0 or later)

Protocol Version 2 (Android3.x)

Not Supported before android

Note: HTTPS is not supported before Android3.1.

Core media format

The following table describes the media formats supported by the Android platform. Note: any given mobile device can support other media formats not listed in this list.

Note: The encoding and decoding of these media are not guaranteed to be valid on all Android platforms. Note the annotations in brackets, for example, "(Android3.0 + )"

Table 1. Core media formats and CODEC support

Type Format/codecs Encoder Decoder Details Supported file types/containers and formats
Audio Aac lc/LTP Use a standard bit rate of up to kbps and a sampling frequency of 8 to 48 khz to freely combine single-channel/Stereo content. • 3GPP (. 3gp)
• MPEG-4 (.mp4,. m4a)
• ADTS raw AAC (. aac, decoding: Android 3.1 +, encoding: Android 4.0 +, ADIF not supported)
• MPEG-TS (. ts, unaddressable Android 3.0 +)
The HE-AACv1 (AAC +)
The HE-AACv2 (enhanced AAC +)
AMR-NB 4.75-kbps bit stream sampled with 8 kHz 3GPP (. 3gp)
AMR-WB The bitstream from 6.6 kbit/s to 23.85 kbit/s sampled at 16 kHz 3GPP (. 3gp)
FLAC • (Android3.1 +) Single or stereo (no multi-channel ). The maximum sampling rate is 48 kHz (the maximum sampling rate is 44.1 kHZ, because the sampling rate between 48 and 44.1 does not include low-pass filtering ). 16-bit sampling is recommended. The 24-bit sampling size is suitable for non-jitters. Only exist (.flac)
MP3 Single-channel or stereo 8-kbps fixed (CBR) or variable (VBR) playback rate Mp3(metadata)
MIDI MIDI types 0 and 1. DLS versions 1 and 2. XMF and mobile XMF. Supported ringtone formats: RTTTL/RTX, OTA, and iMelody 1. Type 0 and 1 (. mid, xmf, mxmf) 2. RTTTL/RTX (. rtttl, rtx) 3. OTA (. ota) 4. iMelody (. imy)
Vorbis 1. Ogg(.ogg) 2. Matroska(.mkv, Android4.0 +)
PCM/WAVE 8-bit and 16-bit PCM (the maximum sampling rate is limited by hardware) WAVE(.wav)
Image JPEG Basic + Real-Time Certificate (.jpg)
GIF GIF(.gif)
PNG PNG(.png)
BMP BMP (.bmp)
WEBP • (Android4.0 +) • (Android4.0 +) WebP (. webp)
Video H.263 1. 3GPP (. 3gp) 2. MPEG-4(.mp4)
H.264 AVC • (Android3.0 +) Baseline Profile (BP) 1. 3GPP (. 3gp) 2. MPEG-4(.mp4) 3. PEG-TS (. ts, only AAC audio, unaddressable, Android3.0 +)
MPEG-4 (SP) 3GPP (. 3gp)
VP8 • (Android2.3.3 +) Only Android4.0 and above can be streamed 1. WebM (. webm) 2. Matroska(.mkv, Android4.0 +)

Video Encoding suggestions

Table 2 lists the video encoding Profile and parameter examples supported by the Android media framework. In addition to these encoding parameters, the available video recording Profile of the device can be used as a proxy for media playback. These profiles can be checked using the CamcorderProfile class after API Level 8.

Table 2. Examples of supported video encoding Parameters

SD (low quality) SD (high quality) HD (not all devices are available)
Video codec H.264 Baseline Profile H.264 Baseline Profile H.264 Baseline Profile
Video resolution 176 x 144px 480 x 360px 1280 x 720px
Video frame rate 12fps 30fps 30fps
Video bitrate 56 Kbps 500 Kbps 2 Mbps
Audio codec AAC-LC AAC-LC AAC-LC
Audio channels 1 (mono) 2 (stereo) 2 (stereo)
Audio bitrate 24 Kbps 128 Kbps 192 Kbps

There are some additional requirements for streaming video content over HTTP or RTSP:

1. For 3GPP and MPEG-4 containers, the moov atom must be prior to any mdat atom, and the ftyp atom must be successful.

2. For 3GPP, MPEG-4 and WebM containers, the same time offset corresponding to audio and video sampling cannot exceed 500KB. We consider using small audio and video data blocks for crossover.

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