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issue #116, #115

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This commit is contained in:
c0ntrol
2016-05-24 20:49:24 +02:00
parent 1d3652dae3
commit d19774f0e7
2 changed files with 52 additions and 29 deletions
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46
veejay-current/veejay-server/libstream/v4l2utils.c
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@@ -277,7 +277,8 @@ static int v4l2_vidioc_qbuf( v4l2info *v )
v->buffer.index = i;
if( -1 == vioctl( v->fd, VIDIOC_QBUF, &(v->buffer)) ) {
veejay_msg(0, "v4l2: first VIDIOC_QBUF failed with %s", strerror(errno));
if( errno != ENODEV )
veejay_msg(0, "v4l2: first VIDIOC_QBUF failed with %s", strerror(errno));
return -1;
}
}
@@ -288,7 +289,8 @@ static int v4l2_stop_video_capture( v4l2info *v )
{
if(v->is_streaming) {
if( -1 == vioctl( v->fd, VIDIOC_STREAMOFF, &(v->buftype)) ) {
veejay_msg(0,"v4l2: unable to stop streaming:%d, %s",errno,strerror(errno));
if( errno != ENODEV )
veejay_msg(0,"v4l2: unable to stop streaming:%d, %s",errno,strerror(errno));
return 0;
}
v->is_streaming = 0;
@@ -801,14 +803,22 @@ static void v4l2_set_output_pointers( v4l2info *v, void *src )
VJFrame *v4l2_get_dst( void *vv, uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *A ) {
v4l2info *v = (v4l2info*) vv;
v4l2_thread_info *i = (v4l2_thread_info *) v->video_info;
if(i->stop)
return NULL;
if(v->threaded)
lock_(v->video_info);
lock_(i);
v->host_frame->data[0] = Y;
v->host_frame->data[1] = U;
v->host_frame->data[2] = V;
v->host_frame->data[3] = A;
if(v->threaded)
unlock_(v->video_info);
unlock_(i);
return v->host_frame;
}
@@ -1209,8 +1219,9 @@ static int v4l2_pull_frame_intern( v4l2info *v )
if( v->rw == 0 ) {
if( -1 == vioctl( v->fd, VIDIOC_DQBUF, &(v->buffer))) {
veejay_msg(0, "v4l2: VIDIOC_DQBUF: %s", strerror(errno));
if( errno != EIO ) {
if( errno == ENODEV ) {
veejay_msg(0, "v4l2: %s (anymore)", strerror(errno));
} else if( errno != EIO ) {
veejay_msg(0,"v4l2: unable to grab a frame: %d, %s",errno,strerror(errno));
}
v4l2_stop_video_capture(v);
@@ -1302,7 +1313,7 @@ int v4l2_pull_frame(void *vv,VJFrame *dst)
v4l2info *v = (v4l2info*) vv;
if( (v->rw == 1 && v->pause_read ) || (v->rw == 0 && !v->is_streaming) )
if( (dst == NULL || v->rw == 1 && v->pause_read ) || (v->rw == 0 && !v->is_streaming) )
return 0;
if( v->scaler == NULL ) {
@@ -1447,7 +1458,7 @@ void v4l2_close( void *d )
if( v->buffers ) {
free(v->buffers);
v->host_frame = NULL;
v->buffers = NULL;
}
free(v);
@@ -2058,7 +2069,8 @@ static void *v4l2_grabber_thread( void *v )
while( 1 ) {
int err = (v4l2->rw);
int ret = 0;
if( i->stop ) {
veejay_msg(VEEJAY_MSG_DEBUG, "v4l2: Closing video capture device");
goto v4l2_grabber_exit;
@@ -2086,6 +2098,18 @@ static void *v4l2_grabber_thread( void *v )
continue;
}
ret = v4l2_poll( v4l2, 1, 200 );
if( ret > 0 ) {
if(!v4l2_pull_frame_intern( v4l2 ) )
err = -1;
else
i->retries = max_retries;
}
else if ( ret == -1 ) {
err = -1;
}
/*
while( ( err = v4l2_poll( v4l2, 1, 200 ) ) < 0 ) {
if( !(err == -1) ) {
break;
@@ -2093,6 +2117,7 @@ static void *v4l2_grabber_thread( void *v )
}
if( err > 0 && !v4l2_pull_frame_intern( v4l2 ) )
err = -1;
*/
if( err == -1 ) {
if( i->retries < 0 ) {
@@ -2101,6 +2126,7 @@ static void *v4l2_grabber_thread( void *v )
} else {
i->retries --;
nanosleep(&req, NULL);
}
}
@@ -2163,7 +2189,7 @@ int v4l2_thread_pull( v4l2_thread_info *i , VJFrame *dst )
int status = 0;
lock_(i);
if(i->stop) {
if(i->stop || dst == NULL) {
unlock_(i);
return status;
}