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Clone dev->dev_fd to provide buf_list->dev_fd

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This commit is contained in:
Kamil Trzcinski
2022-04-11 19:00:06 +02:00
parent 2f3f4b4653
commit 753e9d4255
4 changed files with 23 additions and 12 deletions
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12
device/v4l2/buffer.c
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@ -29,7 +29,7 @@ int v4l2_buffer_open(buffer_t *buf)
v4l2_buf.memory = V4L2_MEMORY_DMABUF;
}
ERR_IOCTL(buf_list, dev->v4l2->dev_fd, VIDIOC_QUERYBUF, &v4l2_buf, "Cannot query buffer %d", index);
ERR_IOCTL(buf_list, buf_list->v4l2->dev_fd, VIDIOC_QUERYBUF, &v4l2_buf, "Cannot query buffer %d", index);
uint64_t mem_offset = 0;
@ -42,7 +42,7 @@ int v4l2_buffer_open(buffer_t *buf)
}
if (buf_list->do_mmap) {
buf->start = mmap(NULL, buf->length, PROT_READ | PROT_WRITE, MAP_SHARED, dev->v4l2->dev_fd, mem_offset);
buf->start = mmap(NULL, buf->length, PROT_READ | PROT_WRITE, MAP_SHARED, buf_list->v4l2->dev_fd, mem_offset);
if (buf->start == MAP_FAILED) {
goto error;
}
@ -51,7 +51,7 @@ int v4l2_buffer_open(buffer_t *buf)
v4l2_exp.type = v4l2_buf.type;
v4l2_exp.index = buf->index;
v4l2_exp.plane = 0;
ERR_IOCTL(buf_list, dev->v4l2->dev_fd, VIDIOC_EXPBUF, &v4l2_exp, "Can't export queue buffer=%u to DMA", index);
ERR_IOCTL(buf_list, buf_list->v4l2->dev_fd, VIDIOC_EXPBUF, &v4l2_exp, "Can't export queue buffer=%u to DMA", index);
buf->dma_fd = v4l2_exp.fd;
}
@ -120,7 +120,7 @@ int v4l2_buffer_enqueue(buffer_t *buf, const char *who)
v4l2_buf.timestamp.tv_sec = buf->captured_time_us / (1000LL * 1000LL);
v4l2_buf.timestamp.tv_usec = buf->captured_time_us % (1000LL * 1000LL);
ERR_IOCTL(buf, buf->buf_list->dev->v4l2->dev_fd, VIDIOC_QBUF, &v4l2_buf, "Can't queue buffer.");
ERR_IOCTL(buf, buf->buf_list->v4l2->dev_fd, VIDIOC_QBUF, &v4l2_buf, "Can't queue buffer.");
return 0;
@ -141,7 +141,7 @@ int v4l2_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp)
v4l2_buf.m.planes = &v4l2_plane;
}
ERR_IOCTL(buf_list, buf_list->dev->v4l2->dev_fd, VIDIOC_DQBUF, &v4l2_buf, "Can't grab capture buffer (flags=%08x)", v4l2_buf.flags);
ERR_IOCTL(buf_list, buf_list->v4l2->dev_fd, VIDIOC_DQBUF, &v4l2_buf, "Can't grab capture buffer (flags=%08x)", v4l2_buf.flags);
buffer_t *buf = *bufp = buf_list->bufs[v4l2_buf.index];
if (buf_list->v4l2->do_mplanes) {
@ -164,7 +164,7 @@ int v4l2_buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool
int count_enqueued = buffer_list_count_enqueued(buf_list);
// Can something be dequeued?
pollfd->fd = buf_list->dev->v4l2->dev_fd;
pollfd->fd = buf_list->v4l2->dev_fd;
pollfd->events = POLLHUP;
if (count_enqueued > 0 && can_dequeue) {
if (buf_list->do_capture)