Merge "Give PSP and QuickTime compatible mp4 files a chance to play"

        FOURCC('3', 'g', 'p', '4'),

        FOURCC('m', 'p', '4', '1'),

        FOURCC('m', 'p', '4', '2'),

        // Won't promise that the following file types can be played.

        // Just give these file types a chance.

        FOURCC('q', 't', ' ', ' '),  // Apple's QuickTime

        FOURCC('M', 'S', 'N', 'V'),  // Sony's PSP

    };

    for (size_t i = 0;