Debug Helper Script

debug script bash shell arm

实测 FPS、GOP / 筛选 IDR

针对 H264

# 看编码出流
ipcxchg read v u 0 -d | \
awk '/ 0h : /{NC++; print $1, NC, $10}' | awk '!/[46]1$/{split($1,a,/[:\.]/); T=a[1]*3600+a[2]*60+a[3]+("0." a[4]); DT=T-T0; T0=T; N=$2; DN=N-N0; N0=N; printf "%s %+.6f #%s %+d %s\n", $1, DT, N, DN, $3}'
# 看解码收流只需把第一行里的 u 换成 d
ipcxchg read v d 0 -d | \

列头：时间点 时间差 帧序号 帧距离 NAL头

输出样本如下。

00:10:27.368904 +627.368904 #91 +91 67
00:10:29.868618 +2.499714 #241 +150 67
00:10:32.368890 +2.500272 #391 +150 67
00:10:34.869795 +2.500905 #541 +150 67
00:10:37.369477 +2.499682 #691 +150 67
00:10:39.870532 +2.501055 #841 +150 67
00:10:42.369268 +2.498736 #991 +150 67
00:10:44.870929 +2.501661 #1141 +150 67