使用FFmpeg我检查了它们的属性:
a) 可以上传的视频属性:
Duration: 00:00:56.45, start: 0.148000, bitrate: 1404 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1080x1080, 1359 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (HE-AACv2) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 47 kb/s (default)
Metadata:
handler_name : SoundHandler
At least one output file must be specified
b) 视频无法上传到 WhatsApp(因为其格式不受支持)
Duration: 00:00:56.10, start: 0.000000, bitrate: 543 kb/s
Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p, 1080x1080 [SAR 1:1 DAR 1:1], 464 kb/s, 23.98 fps, 23.98 tbr, 23.98 tbn, 47.95 tbc
Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, stereo, fltp, 56 kb/s
我注意到的视频差异:
(avc1 / 0x31637661)
与(H264 / 0x34363248)
1359 kb/s
与464 kb/s
90k tbn
与23.98 tbn
可能是什么原因呢?
同时,第二个视频在安卓设备上无法播放。
视频链接:https://drive.google.com/open?id=0B4UM6vTHw4pyMExQQ1lxZGp0N2c