本帖最后由 FSL_TICS_imx 于 2014-11-27 15:07 编辑
播放某些视频出现如下错误，奇怪的是某些视频能够成功，某些视频不行。
root@freescale /usr/local/bin$ ./mxc_vpu_test.out -D "-i testmpeg4 -f 0"
[INFO] VPU test program built on Oct 20 2014 03:07:58
[INFO] Product Info: i.MX53
[INFO] VPU firmware version: 15.3.10
[INFO] VPU library version: 5.3.2
[INFO] Format: STD_MPEG4
[INFO] MPEG4 class: MPEG4
[INFO] Input file "testmpeg4" opened.
[WARN] VPU iram is less than needed, some parts don't use iram
[INFO] Mpeg4 Profile: 5 Level: 7 Interlaced: 0
[INFO] Aspect Ratio is not present.
[INFO] Decoder: width = 65535, height = 65533, fps = 0, count = 0
[INFO] CROP left/top/right/bottom 0 0 65535 65533
[INFO] Display fps will be 0
[INFO] Display to 800 480, top offset 0, left offset 0
[ERR] VIDIOC_REQBUFS failed
视频和音频的信息为：
Stream #0.0[0x46](eng): Audio: mp3, 44100 Hz, 2 channels, s16, 128 kb/s
Stream #0.1[0x47](): Video: mpeg4, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 59.94 tbr, 90k tbn, 60k tbc
请教这个[WARN] VPU iram is less than needed, some parts don't use iram 到底是什么意思？
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