jordan/camera-streamer
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Make to work with ISP

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This commit is contained in:
Kamil Trzcinski
2022-04-05 02:01:11 +02:00
parent 296392c4dd
commit ffd3ac4157
6 changed files with 179 additions and 22 deletions
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17
buffer.c
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@@ -19,16 +19,15 @@ buffer_t *buffer_open(const char *name, buffer_list_t *buf_list, int index) {
if (buf_list->do_mplanes) {
buf->v4l2_buffer.length = 1;
buf->v4l2_buffer.m.planes = &buf->v4l2_plane;
buf->v4l2_plane.data_offset = 0;
}
if (!buf_list->do_mmap) {
// nothing to do here
if (buf_list->do_mmap) {
buf->v4l2_buffer.memory = V4L2_MEMORY_MMAP;
} else {
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) {
@@ -39,9 +38,11 @@ buffer_t *buffer_open(const char *name, buffer_list_t *buf_list, int index) {
buf->length = buf->v4l2_buffer.length;
}
buf->start = mmap(NULL, buf->length, PROT_READ | PROT_WRITE, MAP_SHARED, dev->fd, buf->offset);
if (buf->start == MAP_FAILED) {
goto error;
if (buf_list->do_mmap) {
buf->start = mmap(NULL, buf->length, PROT_READ | PROT_WRITE, MAP_SHARED, dev->fd, buf->offset);
if (buf->start == MAP_FAILED) {
goto error;
}
}
if (buf_list->do_dma) {