jordan/camera-streamer
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This commit is contained in:
Kamil Trzcinski
2022-04-04 14:55:16 +02:00
parent d5fe55d2e0
commit ac9831bd1a
8 changed files with 202 additions and 75 deletions
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35
buffer_list.c
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@ -2,7 +2,7 @@
#include "buffer_list.h"
#include "device.h"
buffer_list_t *buffer_list_open(const char *name, struct device_s *dev, unsigned type)
buffer_list_t *buffer_list_open(const char *name, struct device_s *dev, unsigned type, bool do_mmap)
{
buffer_list_t *buf_list = calloc(1, sizeof(buffer_list_t));
@ -12,21 +12,23 @@ buffer_list_t *buffer_list_open(const char *name, struct device_s *dev, unsigned
switch(type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
buf_list->do_mmap = do_mmap;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
buf_list->do_mmap = do_mmap;
buf_list->do_mplanes = true;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
buf_list->do_dma = true;
buf_list->do_mmap = true;
buf_list->do_dma = do_mmap;
buf_list->do_mmap = do_mmap;
buf_list->do_capture = true;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
buf_list->do_dma = true;
buf_list->do_mmap = true;
buf_list->do_dma = do_mmap;
buf_list->do_mmap = do_mmap;
buf_list->do_mplanes = true;
buf_list->do_capture = true;
break;
@ -69,27 +71,27 @@ int buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigned hei
fmt->type = buf_list->type;
if (buf_list->do_mplanes) {
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_RAW;
fmt->fmt.pix.width = width;
fmt->fmt.pix.height = height;
fmt->fmt.pix.pixelformat = format;
fmt->fmt.pix.field = V4L2_FIELD_ANY;
fmt->fmt.pix.bytesperline = fourcc_to_stride(width, format);
} else {
fmt->fmt.pix_mp.colorspace = V4L2_COLORSPACE_JPEG;
fmt->fmt.pix_mp.width = width;
fmt->fmt.pix_mp.height = height;
fmt->fmt.pix_mp.pixelformat = format;
fmt->fmt.pix_mp.field = V4L2_FIELD_ANY;
fmt->fmt.pix_mp.num_planes = 1;
fmt->fmt.pix_mp.plane_fmt[0].bytesperline = fourcc_to_stride(width, format);
//fmt->fmt.pix_mp.plane_fmt[0].bytesperline = fourcc_to_stride(width, format);
} else {
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_RAW;
fmt->fmt.pix.width = width;
fmt->fmt.pix.height = height;
fmt->fmt.pix.pixelformat = format;
fmt->fmt.pix.field = V4L2_FIELD_ANY;
fmt->fmt.pix.bytesperline = fourcc_to_stride(width, format);
}
E_LOG_DEBUG(buf_list, "Configuring format ...");
E_XIOCTL(buf_list, buf_list->device->fd, VIDIOC_S_FMT, fmt, "Can't set format");
if (fmt->fmt.pix.width != width || fmt->fmt.pix.height != height) {
E_LOG_ERROR(buf_list, "Requested resolution=%ux%u is unavailable. Got %ux%u.",
E_LOG_INFO(buf_list, "Requested resolution=%ux%u is unavailable. Got %ux%u.",
width, height, fmt->fmt.pix.width, fmt->fmt.pix.height);
}
@ -102,6 +104,11 @@ int buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigned hei
E_LOG_INFO(buf_list, "Using: %ux%u/%s",
fmt->fmt.pix.width, fmt->fmt.pix.height, fourcc_to_string(fmt->fmt.pix.pixelformat).buf);
buf_list->fmt_width = fmt->fmt.pix.width;
buf_list->fmt_height = fmt->fmt.pix.height;
buf_list->fmt_format = fmt->fmt.pix.pixelformat;
return 0;
error: