Supported Formats
This class supports any movie or audio files that already play correctly on an iPod or iPhone. For movie files, this typically means files with the extensions .mov, .mp4, .mpv, and
.3gp and using one of the following compression standards:
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H.264 Baseline Profile Level 3.0 video, up to 640 x 480 at 30 fps. (The Baseline profile does not support B frames.)
MPEG-4 Part 2 video (Simple Profile)
If you use this class to play audio files, it displays a white screen with a QuickTime logo while the audio plays. For audio files, this class supports AAC-LC audio at up to 48 kHz, and MP3 (MPEG-1 Audio Layer
3) up to 48 kHz, stereo audio.
MPMoviePlayerController支持播放哪些類型的文件
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