那是mp4吗？哪种精确编码会产生最佳性能？在类引用中找不到它。
来自 Apple 文档:
This class plays any movie or audio file supported in iOS. This includes both streamed content and fixed-length files. For movie files, this typically means files with the extensions .mov, .mp4, .mpv, and .3gp and using one of the following compression standards:
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.
关于iphone - 为 MPMoviePlayerController 选择哪种视频格式？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/3759485/
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