jordan/camera-streamer
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This commit is contained in:
Kamil Trzcinski
2022-04-04 19:19:42 +02:00
parent 317fb65508
commit 0322dc920a
7 changed files with 86 additions and 131 deletions
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23
buffer.c
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@ -10,14 +10,10 @@ buffer_t *buffer_open(const char *name, buffer_list_t *buf_list, int index) {
buf->index = index;
buf->buf_list = buf_list;
buf->dma_fd = -1;
if (!buf_list->do_mmap) {
// nothing to do here
return buf;
}
buf->mmap_reflinks = 1;
buf->used = 0;
buf->v4l2_buffer.type = buf_list->type;
buf->v4l2_buffer.memory = V4L2_MEMORY_MMAP;
buf->v4l2_buffer.index = index;
if (buf_list->do_mplanes) {
@ -25,6 +21,14 @@ buffer_t *buffer_open(const char *name, buffer_list_t *buf_list, int index) {
buf->v4l2_buffer.m.planes = &buf->v4l2_plane;
}
if (!buf_list->do_mmap) {
// nothing to do here
buf->v4l2_buffer.memory = V4L2_MEMORY_DMABUF;
return buf;
}
buf->v4l2_buffer.memory = V4L2_MEMORY_MMAP;
E_XIOCTL(buf_list, dev->fd, VIDIOC_QUERYBUF, &buf->v4l2_buffer, "Cannot query buffer %d", index);
if (buf_list->do_mplanes) {
@ -49,10 +53,9 @@ buffer_t *buffer_open(const char *name, buffer_list_t *buf_list, int index) {
buf->dma_fd = v4l2_exp.fd;
}
// enqueue buffer
buf->used = 0;
buf->mmap_reflinks = 1;
buffer_consumed(buf);
if (buf_list->do_capture) {
buffer_consumed(buf);
}
return buf;