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AmlogicGrabber: set and decrease frame grab timeout to 500ms (#1225) 

This prevent an internal timeout when no frame is delivered like on playback pause.
This commit is contained in:
Portisch 2021-04-25 16:49:42 +02:00 committed by GitHub
parent 7eeb740177
commit aede77b7ca
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 3 additions and 1 deletions
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3
libsrc/grabber/amlogic/AmlogicGrabber.cpp
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@ -132,8 +132,9 @@ int AmlogicGrabber::grabFrame_amvideocap(Image<ColorRgb> & image)
long r1 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_WIDTH, _width);
long r2 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_HEIGHT, _height);
long r3 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_AT_FLAGS, CAP_FLAG_AT_END);
long r4 = ioctl(_captureDev, AMVIDEOCAP_IOW_SET_WANTFRAME_WAIT_MAX_MS, 500);
if (r1<0 || r2<0 || r3<0 || _height==0 || _width==0)
if (r1<0 || r2<0 || r3<0 || r4<0 || _height==0 || _width==0)
{
ErrorIf(_lastError != 2,_log,"Failed to configure capture device (%d - %s)", errno, strerror(errno));
_lastError = 2;

1
libsrc/grabber/amlogic/Amvideocap.h
View File

@ -14,6 +14,7 @@
// #define AMVIDEOCAP_IOW_SET_WANTFRAME_FORMAT _IOW(AMVIDEOCAP_IOC_MAGIC, 0x01, int)
#define AMVIDEOCAP_IOW_SET_WANTFRAME_WIDTH _IOW(AMVIDEOCAP_IOC_MAGIC, 0x02, int)
#define AMVIDEOCAP_IOW_SET_WANTFRAME_HEIGHT _IOW(AMVIDEOCAP_IOC_MAGIC, 0x03, int)
#define AMVIDEOCAP_IOW_SET_WANTFRAME_WAIT_MAX_MS _IOW(AMVIDEOCAP_IOC_MAGIC, 0x05, unsigned long long)
#define AMVIDEOCAP_IOW_SET_WANTFRAME_AT_FLAGS _IOW(AMVIDEOCAP_IOC_MAGIC, 0x06, int)
#define _A_M 'S'