jordan/camera-streamer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

WIP

Browse Source
This commit is contained in:
Kamil Trzcinski
2022-04-04 16:37:38 +02:00
parent 61f2122768
commit 35262d1655
5 changed files with 34 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
buffer_queue.c
View File

@ -112,6 +112,7 @@ buffer_t *_buffer_list_enqueue_dmabuf(buffer_list_t *buf_list, buffer_t *dma_buf
E_XIOCTL(buf_list, buf_list->device->fd, VIDIOC_QBUF, &v4l2_buf, "Can't push DMA buffer");
buf->mmap_source = dma_buf;
buf_list->frames++;
return buf;
error:
return NULL;
@ -164,11 +165,12 @@ buffer_t *buffer_list_dequeue(buffer_list_t *buf_list, int mmap)
buf->used = buf->v4l2_buffer.bytesused;
}
E_LOG_DEBUG(buf_list, "Grabbed mmap buffer=%u, bytes=%d, used=%d",
buf->index, buf->length, buf->used);
E_LOG_DEBUG(buf_list, "Grabbed mmap buffer=%u, bytes=%d, used=%d, frame=%d",
buf->index, buf->length, buf->used, buf_list->frames);
if (buf_list->do_mmap) {
buf->mmap_reflinks = 1;
buf_list->frames++;
} else {
buf->mmap_reflinks = 0;
}
@ -178,37 +180,3 @@ buffer_t *buffer_list_dequeue(buffer_list_t *buf_list, int mmap)
error:
return NULL;
}
bool buffer_list_wait_pool(buffer_list_t *buf_list, int timeout, int mmap) {
struct pollfd fds = {buf_list->device->fd, mmap ? POLLIN : POLLOUT, 0};
if (poll(&fds, 1, timeout) < 0 && errno != EINTR) {
E_LOG_ERROR(buf_list, "Can't poll encoder");
}
E_LOG_DEBUG(buf_list, "Polling encoder %d, %d...", errno, fds.revents);
if (fds.revents & POLLIN) {
return true;
}
if (fds.revents & POLLPRI) {
E_LOG_DEBUG(buf_list, "fd POLLPRI");
}
if (fds.revents & POLLOUT) {
return true;
}
if (fds.revents & POLLERR) {
E_LOG_DEBUG(buf_list, "fd POLLERR");
device_consume_event(buf_list->device);
}
if (fds.revents & POLLHUP) {
E_LOG_DEBUG(buf_list, "fd POLLHUP");
}
if (fds.revents & POLLNVAL) {
E_LOG_DEBUG(buf_list, "fd POLLNVAL");
}
return false;
error:
return false;
}