2014/10/15 下午 10:11:33

iphone Programming Glossary: mpeg

SimpleAudioEngine, playing .caf files [duplicate]

http://stackoverflow.com/questions/10286686/simpleaudioengine-playing-caf-files

or AIFF afconvert f AIFC d ima4 sound.wav and try to play them in Finder. If it doesn't work either try to convert the MPEG Layer 3 file to wave first by some third party tools such as Audacity and try again with afconvert . P.S. I usually use..

Video file formats supported in iPhone

http://stackoverflow.com/questions/1535836/video-file-formats-supported-in-iphone

Profile up to Level 1.3 with AAC LC audio up to 160 Kbps 48kHz stereo audio in .m4v .mp4 and .mov file formats MPEG 4 video up to 2.5 Mbps 640 by 480 pixels 30 frames per second Simple Profile with AAC LC audio up to 160 Kbps 48kHz stereo..

MPMoviePlayerController & .m3u8 playlist

http://stackoverflow.com/questions/1665151/mpmovieplayercontroller-m3u8-playlist

source is a live stream and periodically re fetches the .m3u8 to find new media files to download. The .ts files are MPEG 2 trasnsport stream files that contain muxed audio and video despite the fact that the transport stream is part of the MPEG.. 2 trasnsport stream files that contain muxed audio and video despite the fact that the transport stream is part of the MPEG 2 spec the contents should be H.264 and AAC the audio and video codecs usually associated with MPEG 4 . You sometimes see.. is part of the MPEG 2 spec the contents should be H.264 and AAC the audio and video codecs usually associated with MPEG 4 . You sometimes see other contents like .aac for audio only streams. A server will segment a video stream into many .ts..

Supported Audio file formats in iPhone

http://stackoverflow.com/questions/1761460/supported-audio-file-formats-in-iphone

iLBC internet Low Bitrate Codec another format for speech IMA4 IMA ADPCM linear PCM uncompressed 繕 law and a law MP3 MPEG 1 audio layer 3 The audio recording formats supported in iPhone OS are the following AAC on supported devices only ALAC..

Creating video file from images and audio( pre-recorded )

http://stackoverflow.com/questions/1900256/creating-video-file-from-images-and-audio-pre-recorded

algorithm such as AAC to encode your audio track. Then you would write these streams into a container file such as an MPEG 4 file which interleaves the streams for playback contains metadata and indexes and so on. Then for playback you parse the..

Upload live streaming video from iPhone like Ustream or Qik

http://stackoverflow.com/questions/1960782/upload-live-streaming-video-from-iphone-like-ustream-or-qik

in 5 second chunks to the server. You can stitch the videos together with ffmpeg if you want or transcode them into MPEG 2 transport streams for HTTP Live Streaming. The video data itself is H.264 encoded by the asset writer so transcoding merely..

Streaming Video (or Progressive Download) to the Droid Browser

http://stackoverflow.com/questions/2119947/streaming-video-or-progressive-download-to-the-droid-browser

and am not having a lot of luck. With my iPhone I can direct Safari to http xxx.xxx.xxx FileName.mp4 which is an MPEG 4 video file and Safari opens quicktime and the video plays. However with the Droid I go to the same web address and am.. video to pretty much any standard. I was trying the .mp4 file because the Droid documentation says that it supports MPEG 4 video although I can't get it to work from the browser. Any insight would be much appreciate. iphone android video mpeg..

iPhone “cannot play” .mp4 H.264 video file

http://stackoverflow.com/questions/3285529/iphone-cannot-play-mp4-h-264-video-file

got my video file sourced properly and the .mp4 has the following characteristics Dimension 480 272 Codecs AAC H.264 MPEG 4 SDSM MPEG 4 ODSM Channel Count 2 Total Bitrate 991 Size 11.4MB But the problem is when I click on the link iPhone says.. file sourced properly and the .mp4 has the following characteristics Dimension 480 272 Codecs AAC H.264 MPEG 4 SDSM MPEG 4 ODSM Channel Count 2 Total Bitrate 991 Size 11.4MB But the problem is when I click on the link iPhone says Movie cannot..

How To Stream Live Video From iPhone To a Media Server Like Wowza? [closed]

http://stackoverflow.com/questions/4399162/how-to-stream-live-video-from-iphone-to-a-media-server-like-wowza

info about playing video streaming on iPhone from a server. I've been trying to use ffmpeg libx264 to encode them in a MPEG TS container with H.264 for video and AAC for audio and sending Wowza media server in real time with no much luck. Anyone..

how to detect (iphone sdk) if a video file was recorded in portrait orientation, or landscape

http://stackoverflow.com/questions/4627940/how-to-detect-iphone-sdk-if-a-video-file-was-recorded-in-portrait-orientation

is ALAssetOrientationUp . Maybe this is to be expected all videos are up right but a portrait video is represented in MPEG 4 as a landscape video turned 90 degrees i.e. all videos are actually landscape try the MediaInfo app on the mac if you..

Uploading live streaming video from iPhone [duplicate]

http://stackoverflow.com/questions/5062266/uploading-live-streaming-video-from-iphone

What h.264 format loads on android AND IOS?

http://stackoverflow.com/questions/6364190/what-h-264-format-loads-on-android-and-ios

android ffmpeg html5 video h.264 share improve this question Here's the ffmpeg command line we use to transcode to MPEG 4 h.264 in our production environment. We've tested the output on several Android devices as well as iOS. You can use this..

Can't send email with video/audio attachment on iphone!

http://stackoverflow.com/questions/1921691/cant-send-email-with-video-audio-attachment-on-iphone

soundFile NSData alloc initWithContentsOfURL fileURL mailDialogController addAttachmentData soundFile mimeType @ audio mpeg fileName @ tmp.mp3 works for me with mp3 files. when you say it fails with mp4 in what way if app is crashing after a few..

Streaming Video (or Progressive Download) to the Droid Browser

http://stackoverflow.com/questions/2119947/streaming-video-or-progressive-download-to-the-droid-browser

4 video although I can't get it to work from the browser. Any insight would be much appreciate. iphone android video mpeg 4 share improve this question You should launch an intent and set the type to video so that it opens directly with a..

Encoding images to video with ffmpeg

http://stackoverflow.com/questions/3334939/encoding-images-to-video-with-ffmpeg

images to video with ffmpeg I am trying to encode series of images to one video file. I am using code from api example.c its works but it gives me.. c NULL int i out_size size outbuf_size FILE f AVFrame picture uint8_t outbuf printf Video encoding n find the mpeg video encoder codec avcodec_find_encoder CODEC_ID_MPEG2VIDEO if codec fprintf stderr codec not found n exit 1 c avcodec_alloc_context.. NULL printf write frame 3d size 5d n i out_size fwrite outbuf 1 outbuf_size f add sequence end code to have a real mpeg file outbuf 0 0x00 outbuf 1 0x00 outbuf 2 0x01 outbuf 3 0xb7 fwrite outbuf 1 4 f fclose f free outbuf avcodec_close c av_free..

iPhone - Separating audio from a video file and saving it to a separate file

http://stackoverflow.com/questions/7042120/iphone-separating-audio-from-a-video-file-and-saving-it-to-a-separate-file

it to a separate file Does anyone know if it is possible to separate the audio from a video file such as h.264 encode mpeg or other such formats and than save that audio data to a separate file such as an mp3 file This relates to the iPhone SDK...

Decode video frames on iPhone GPU

http://stackoverflow.com/questions/9332807/decode-video-frames-on-iphone-gpu

video frames on iPhone GPU I'm looking for the fastest way to decode a local mpeg 4 video's frames on the iPhone. I'm simply interested in the luminance values of the pixels in every 10th frame. I don't.. in the luminance values of the pixels in every 10th frame. I don't need to render the video anywhere. I've tried ffmpeg AVAssetReader ImageAssetGenerator OpenCV and MPMoviePlayer but they're all too slow. The fastest speed I can get is ~2x..

Prevent iOS mobile safari from going idle / auto-locking / sleeping?

http://stackoverflow.com/questions/9709891/prevent-ios-mobile-safari-from-going-idle-auto-locking-sleeping

sprite span audio id audio preload none source src http dl.dropbox.com u 1538714 article_resources cat.m4a type audio mpeg source src http dl.dropbox.com u 1538714 article_resources cat.ogg type audio ogg audio div Javascript var button '.button.play'..