1page.title=Supported Media Formats 2page.tags="video","audio","mpeg","mp4","m4a","mp3","3gp","3gpp","flac","wave","wav" 3@jd:body 4 5<div id="qv-wrapper"> 6<div id="qv"> 7 8<h2>In this document</h2> 9 10<ol> 11<li><a href="#network">Network Protocols</a></li> 12<li><a href="#core">Core Media Formats</a></li> 13<li><a href="#recommendations">Video Encoding Recommendations</a></li> 14</ol> 15 16<h2>See also</h2> 17<ol> 18<li><a href="{@docRoot}guide/topics/media/index.html">Multimedia and Camera</a></li> 19</ol> 20 21<h2>Key classes</h2> 22<ol> 23<li>{@link android.media.MediaPlayer MediaPlayer}</li> 24<li>{@link android.media.MediaRecorder MediaRecorder}</li> 25</ol> 26 27</div> 28</div> 29 30<p>This document describes the media codec, container, and network protocol support provided by the Android platform.</p> 31 32<p>As an application developer, you are free to make use of any media codec that is available on any Android-powered device, including those provided by the Android platform and those that are device-specific. <strong>However, it is a best practice to use media encoding profiles that are device-agnostic</strong>.</p> 33 34 35<h2 id="network">Network Protocols</h2> 36 37<p>The following network protocols are supported for audio and video playback:</p> 38 39<ul> 40 <li>RTSP (RTP, SDP)</li> 41 <li>HTTP/HTTPS progressive streaming</li> 42 <li>HTTP/HTTPS live streaming <a href="http://tools.ietf.org/html/draft-pantos-http-live-streaming">draft protocol</a>: <ul> 43 <li>MPEG-2 TS media files only</li> 44 <li>Protocol version 3 (Android 4.0 and above)</li> 45 <li>Protocol version 2 (Android 3.x)</li> 46 <li>Not supported before Android 3.0</li> 47 </ul></li> 48</ul> 49 50<p class="note"><strong>Note:</strong> HTTPS is not supported before Android 3.1.</p> 51 52 53<h2 id="core">Core Media Formats</h2> 54 55<p>The table below describes the media format support built into the Android platform. Note that any given mobile device may provide support for additional formats or file types not listed in the table.</p> 56 57<p class="note"><strong>Note:</strong> Media codecs that are not guaranteed to be available on all Android platform versions are accordingly noted in parentheses—for example "(Android 3.0+)".</p> 58 59<p class="table-caption" id="formats-table"><strong>Table 1.</strong> Core media format and codec support.</p> 60 61<table style="font-size:12px"> 62<tbody> 63 64<tr> 65<th>Type</th> 66<th>Format / Codec</th> 67<th>Encoder</th> 68<th>Decoder</th> 69<th>Details</th> 70<th>Supported File Type(s) / Container Formats</th> 71</tr> 72 73<tr> 74<td rowspan="11">Audio</td> 75<td>AAC LC</td> 76<td style="text-align: center;"><big>•</big></td> 77<td style="text-align: center;"><big>•</big></td> 78<td rowspan="2">Support for mono/stereo/5.0/5.1 79content with standard sampling rates from 8 to 48 kHz.</td> 80<td rowspan="4"> 81 • 3GPP (.3gp)<br> 82 <nobr>• MPEG-4 (.mp4, .m4a)</nobr><br> 83 • ADTS raw AAC (.aac, decode in Android 3.1+, encode in Android 4.0+, ADIF not supported)<br> 84 • MPEG-TS (.ts, not seekable, Android 3.0+)</td> 85</tr> 86 87<tr> 88<td>HE-AACv1 (AAC+)</td> 89<td style="text-align: center;"><big>•</big><br><small>(Android 4.1+)</small></td> 90<td style="text-align: center;"><big>•</big></td> 91</tr> 92 93<tr> 94<td>HE-AACv2 (enhanced AAC+)</td> 95<td> </td> 96<td style="text-align: center;"><big>•</big></td> 97<td>Support for stereo/5.0/5.1 98content with standard sampling rates from 8 to 48 kHz.</td> 99</tr> 100 101<tr> 102<td>AAC ELD (enhanced low delay AAC)</td> 103<td style="text-align: center;"><big>•</big><br><small>(Android 4.1+)</small></td> 104<td style="text-align: center;"><big>•</big><br><small>(Android 4.1+)</small></td> 105<td>Support for mono/stereo content 106with standard sampling rates from 16 to 48 kHz</td> 107</tr> 108 109<tr> 110<td>AMR-NB</td> 111<td style="text-align: center;"><big>•</big></td> 112<td style="text-align: center;"><big>•</big></td> 113<td>4.75 to 12.2 kbps sampled @ 8kHz</td> 114<td> 115 3GPP (.3gp)</td> 116</tr> 117 118<tr> 119<td>AMR-WB</td> 120<td style="text-align: center;"><big>•</big></td> 121<td style="text-align: center;"><big>•</big></td> 122<td>9 rates from 6.60 kbit/s to 23.85 kbit/s sampled @ 16kHz</td> 123<td> 124 3GPP (.3gp)</td> 125</tr> 126 127<tr> 128<td>FLAC</td> 129<td> </td> 130<td style="text-align: center;" nowrap><big>•</big><br><small>(Android 3.1+)</small></td> 131<td>Mono/Stereo (no multichannel). Sample rates up to 48 kHz (but up to 44.1 132kHz is recommended on devices with 44.1 kHz output, as the 48 to 44.1 kHz 133downsampler does not include a low-pass filter). 16-bit recommended; 134no dither applied for 24-bit. 135</td> 136<td> 137 FLAC (.flac) only</td> 138</tr> 139 140<tr> 141<td>MP3</td> 142<td> </td> 143<td style="text-align: center;"><big>•</big></td> 144<td>Mono/Stereo 8-320Kbps constant (CBR) or variable bit-rate (VBR) 145</td> 146<td> 147 MP3 (.mp3)</td> 148</tr> 149 150<tr> 151<td>MIDI</td> 152<td> </td> 153<td style="text-align: center;"><big>•</big></td> 154<td>MIDI Type 0 and 1. DLS Version 1 and 2. XMF and Mobile XMF. Support for ringtone formats RTTTL/RTX, OTA, and iMelody </td> 155<td> 156 • Type 0 and 1 (.mid, .xmf, .mxmf)<br> 157 • RTTTL/RTX (.rtttl, .rtx)<br> 158 • OTA (.ota)<br> 159 • iMelody (.imy)</td> 160</tr> 161 162<tr> 163<td>Vorbis</td> 164<td> </td> 165<td style="text-align: center;"><big>•</big></td> 166<td> </td> 167<td> 168 • Ogg (.ogg)<br> 169 • Matroska (.mkv, Android 4.0+)</td> 170</tr> 171 172<tr> 173<td>PCM/WAVE</td> 174<td style="text-align: center;"><big>•</big><br><small>(Android 4.1+)</small></td> 175<td style="text-align: center;"><big>•</big></td> 176<td>8- and 16-bit linear PCM (rates up to limit of hardware). Sampling 177rates for raw PCM recordings at 8000, 16000 and 44100 Hz.</td> 178<td> 179 WAVE (.wav)</td> 180</tr> 181 182<tr> 183<td rowspan="5">Image</td> 184<td>JPEG</td> 185<td style="text-align: center;"><big>•</big></td> 186<td style="text-align: center;"><big>•</big></td> 187<td>Base+progressive</td> 188<td> 189 JPEG (.jpg)</td> 190</tr> 191 192<tr> 193<td>GIF</td> 194<td> </td> 195<td style="text-align: center;"><big>•</big></td> 196<td> </td> 197<td> 198 GIF (.gif)</td> 199</tr> 200 201<tr> 202<td>PNG</td> 203<td style="text-align: center;"><big>•</big></td> 204<td style="text-align: center;"><big>•</big></td> 205<td> </td> 206<td> 207 PNG (.png)</td> 208</tr> 209 210<tr> 211<td>BMP</td> 212<td> </td> 213<td style="text-align: center;"><big>•</big></td> 214<td> </td> 215<td> 216 BMP (.bmp)</td> 217</tr> 218 219<tr> 220<td>WEBP</td> 221<td style="text-align: center;" nowrap><big>•</big><br><small>(Android 4.0+)</small></td> 222<td style="text-align: center;" nowrap><big>•</big><br><small>(Android 4.0+)</small></td> 223<td> </td> 224<td> 225 WebP (.webp)</td> 226</tr> 227 228 229<tr> 230<td rowspan="4">Video</td> 231<td>H.263</td> 232<td style="text-align: center;"><big>•</big></td> 233<td style="text-align: center;"><big>•</big></td> 234<td> </td> 235<td> 236 • 3GPP (.3gp)<br> 237 • MPEG-4 (.mp4)</td> 238</tr> 239 240<tr> 241<td>H.264 AVC</td> 242<td style="text-align: center;" nowrap><big>•</big><br><small>(Android 3.0+)</small></td> 243<td style="text-align: center;" nowrap><big>•</big></td> 244<td>Baseline Profile (BP)</td> 245<td> 246 • 3GPP (.3gp)<br> 247 • MPEG-4 (.mp4)<br> 248 • MPEG-TS (.ts, AAC audio only, not seekable, Android 3.0+)</td> 249</tr> 250 251<tr> 252<td>MPEG-4 SP</td> 253<td> </td> 254<td style="text-align: center;"><big>•</big></td> 255<td> </td> 256<td> 257 3GPP (.3gp)</td> 258</tr> 259 260<tr> 261<td>VP8</td> 262<td> </td> 263<td style="text-align: center;" nowrap><big>•</big><br><small>(Android 2.3.3+)</small></td> 264<td>Streamable only in Android 4.0 and above</td> 265<td> 266 • <a href="http://www.webmproject.org/">WebM</a> (.webm)<br> 267 • Matroska (.mkv, Android 4.0+)</td> 268</tr> 269 270</tbody></table> 271 272 273<h2 id="recommendations">Video Encoding Recommendations</h2> 274 275<p>Table 2, below, lists examples of video encoding profiles and parameters that the Android media framework supports for playback. In addition to these encoding parameter recommendations, a device's available <em>video recording</em> profiles can be used as a proxy for media playback capabilities. These profiles can be inspected using the {@link android.media.CamcorderProfile CamcorderProfile} class, which is available since API level 8.</p> 276 277<p class="table-caption" id="encoding-recommendations-table"><strong>Table 2.</strong> Examples of supported video encoding parameters.</p> 278 279<table> 280 <thead> 281 <tr> 282 <th> </th> 283 <th><acronym title="Standard definition">SD</a> (Low quality)</th> 284 <th><acronym title="Standard definition">SD</a> (High quality)</th> 285 <th><acronym title="High definition">HD</a> (Not available on all devices)</th> 286 </tr> 287 </thead> 288 <tbody> 289 <tr> 290 <th>Video codec</th> 291 <td>H.264 Baseline Profile</td> 292 <td>H.264 Baseline Profile</td> 293 <td>H.264 Baseline Profile</td> 294 </tr> 295 <tr> 296 <th>Video resolution</th> 297 <td>176 x 144 px</td> 298 <td>480 x 360 px</td> 299 <td>1280 x 720 px</td> 300 </tr> 301 <tr> 302 <th>Video frame rate</th> 303 <td>12 fps</td> 304 <td>30 fps</td> 305 <td>30 fps</td> 306 </tr> 307 <tr> 308 <th>Video bitrate</th> 309 <td>56 Kbps</td> 310 <td>500 Kbps</td> 311 <td>2 Mbps</td> 312 </tr> 313 <tr> 314 <th>Audio codec</th> 315 <td>AAC-LC</td> 316 <td>AAC-LC</td> 317 <td>AAC-LC</td> 318 </tr> 319 <tr> 320 <th>Audio channels</th> 321 <td>1 (mono)</td> 322 <td>2 (stereo)</td> 323 <td>2 (stereo)</td> 324 </tr> 325 <tr> 326 <th>Audio bitrate</th> 327 <td>24 Kbps</td> 328 <td>128 Kbps</td> 329 <td>192 Kbps</td> 330 </tr> 331 </tbody> 332</table> 333 334<p style="margin-top: 2em">For video content that is streamed over HTTP or RTSP, there are additional requirements:</p> 335 336<ul> 337 <li>For 3GPP and MPEG-4 containers, the <code>moov</code> atom must precede any <code>mdat</code> atoms, but must succeed the 338 <code>ftyp</code> atom.</li> 339 <li>For 3GPP, MPEG-4, and WebM containers, audio and video samples corresponding to the same time offset may be no more than 500 KB apart. 340 To minimize this audio/video drift, consider interleaving audio and video in smaller chunk sizes.</li> 341</ul> 342