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Create private data for buffer_list_v4l2_t

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This commit is contained in:
Kamil Trzcinski
2022-04-10 16:03:55 +02:00
parent 5760f5fbac
commit 4a345ed048
9 changed files with 53 additions and 43 deletions
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16
device/v4l2/buffer.c
View File

@ -12,10 +12,10 @@ int v4l2_buffer_open(buffer_t *buf)
buffer_list_t *buf_list = buf->buf_list;
device_t *dev = buf_list->device;
v4l2_buf.type = buf_list->v4l2.type;
v4l2_buf.type = buf_list->v4l2->type;
v4l2_buf.index = buf->index;
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
v4l2_buf.length = 1;
v4l2_buf.m.planes = &v4l2_plane;
v4l2_plane.data_offset = 0;
@ -31,7 +31,7 @@ int v4l2_buffer_open(buffer_t *buf)
uint64_t mem_offset = 0;
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
mem_offset = v4l2_plane.m.mem_offset;
buf->length = v4l2_plane.length;
} else {
@ -77,7 +77,7 @@ int v4l2_buffer_enqueue(buffer_t *buf, const char *who)
struct v4l2_buffer v4l2_buf = {0};
struct v4l2_plane v4l2_plane = {0};
v4l2_buf.type = buf->buf_list->v4l2.type;
v4l2_buf.type = buf->buf_list->v4l2->type;
v4l2_buf.index = buf->index;
v4l2_buf.flags = 0;
if (buf->flags.is_keyframe)
@ -92,7 +92,7 @@ int v4l2_buffer_enqueue(buffer_t *buf, const char *who)
}
// update used bytes
if (buf->buf_list->v4l2.do_mplanes) {
if (buf->buf_list->v4l2->do_mplanes) {
v4l2_buf.length = 1;
v4l2_buf.m.planes = &v4l2_plane;
v4l2_plane.bytesused = buf->used;
@ -139,10 +139,10 @@ int v4l2_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp)
struct v4l2_buffer v4l2_buf = {0};
struct v4l2_plane v4l2_plane = {0};
v4l2_buf.type = buf_list->v4l2.type;
v4l2_buf.type = buf_list->v4l2->type;
v4l2_buf.memory = V4L2_MEMORY_MMAP;
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
v4l2_buf.length = 1;
v4l2_buf.m.planes = &v4l2_plane;
}
@ -150,7 +150,7 @@ int v4l2_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp)
E_XIOCTL(buf_list, buf_list->device->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) {
if (buf_list->v4l2->do_mplanes) {
buf->used = v4l2_plane.bytesused;
} else {
buf->used = v4l2_buf.bytesused;

31
device/v4l2/buffer_list.c
View File

@ -5,28 +5,30 @@
#include "opts/log.h"
#include "opts/fourcc.h"
int v4l2_buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigned height, unsigned format, unsigned bytesperline)
int v4l2_buffer_list_open(buffer_list_t *buf_list, unsigned width, unsigned height, unsigned format, unsigned bytesperline)
{
device_t *dev = buf_list->device;
buf_list->v4l2 = calloc(1, sizeof(buffer_list_v4l2_t));
struct v4l2_capability v4l2_cap;
E_XIOCTL(dev, dev->v4l2->dev_fd, VIDIOC_QUERYCAP, &v4l2_cap, "Can't query device capabilities");
if (buf_list->do_capture) {
if (v4l2_cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) {
buf_list->v4l2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
} else if (v4l2_cap.capabilities & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
buf_list->v4l2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf_list->v4l2.do_mplanes = true;
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf_list->v4l2->do_mplanes = true;
} else {
E_LOG_ERROR(dev, "Video capture is not supported by device: %08x", v4l2_cap.capabilities);
}
} else {
if (v4l2_cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) {
buf_list->v4l2.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
} else if (v4l2_cap.capabilities & (V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
buf_list->v4l2.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
buf_list->v4l2.do_mplanes = true;
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
buf_list->v4l2->do_mplanes = true;
} else {
E_LOG_ERROR(dev, "Video output is not supported by device: %08x", v4l2_cap.capabilities);
}
@ -40,7 +42,7 @@ int v4l2_buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigne
}
struct v4l2_format fmt = { 0 };
fmt.type = buf_list->v4l2.type;
fmt.type = buf_list->v4l2->type;
unsigned orig_width = width;
unsigned orig_height = height;
@ -60,7 +62,7 @@ int v4l2_buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigne
E_LOG_DEBUG(buf_list, "Get current format ...");
E_XIOCTL(buf_list, buf_list->device->v4l2->dev_fd, VIDIOC_G_FMT, &fmt, "Can't set format");
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
fmt.fmt.pix_mp.colorspace = V4L2_COLORSPACE_JPEG;
if (width)
fmt.fmt.pix_mp.width = width;
@ -88,7 +90,7 @@ int v4l2_buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigne
E_LOG_DEBUG(buf_list, "Configuring format (%s)...", fourcc_to_string(format).buf);
E_XIOCTL(buf_list, buf_list->device->v4l2->dev_fd, VIDIOC_S_FMT, &fmt, "Can't set format");
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
buf_list->fmt_width = fmt.fmt.pix_mp.width;
buf_list->fmt_height = fmt.fmt.pix_mp.height;
buf_list->fmt_format = fmt.fmt.pix_mp.pixelformat;
@ -140,7 +142,7 @@ int v4l2_buffer_list_set_buffers(buffer_list_t *buf_list, int nbufs)
{
struct v4l2_requestbuffers v4l2_req = {0};
v4l2_req.count = nbufs;
v4l2_req.type = buf_list->v4l2.type;
v4l2_req.type = buf_list->v4l2->type;
v4l2_req.memory = buf_list->do_mmap ? V4L2_MEMORY_MMAP : V4L2_MEMORY_DMABUF;
E_LOG_DEBUG(buf_list, "Requesting %u buffers", v4l2_req.count);
@ -159,10 +161,15 @@ error:
int v4l2_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on)
{
enum v4l2_buf_type type = buf_list->v4l2.type;
enum v4l2_buf_type type = buf_list->v4l2->type;
E_XIOCTL(buf_list, buf_list->device->v4l2->dev_fd, do_on ? VIDIOC_STREAMON : VIDIOC_STREAMOFF, &type, "Cannot set streaming state");
return 0;
error:
return -1;
}
void v4l2_buffer_list_close(buffer_list_t *buf_list) {
free(buf_list->v4l2);
buf_list->v4l2 = NULL;
}

6
device/v4l2/debug.c
View File

@ -12,9 +12,9 @@ int v4l2_buffer_list_refresh_states(buffer_list_t *buf_list)
struct v4l2_buffer v4l2_buf = {0};
struct v4l2_plane v4l2_plane = {0};
v4l2_buf.type = buf_list->v4l2.type;
v4l2_buf.type = buf_list->v4l2->type;
if (buf_list->v4l2.do_mplanes) {
if (buf_list->v4l2->do_mplanes) {
v4l2_buf.length = 1;
v4l2_buf.m.planes = &v4l2_plane;
}
@ -30,7 +30,7 @@ int v4l2_buffer_list_refresh_states(buffer_list_t *buf_list)
E_XIOCTL(buf_list, buf_list->device->v4l2->dev_fd, VIDIOC_QUERYBUF, &v4l2_buf, "Can't query buffer (flags=%08x)", i);
E_LOG_INFO(buf_list, "Buffer: %d, Flags: %08x. Offset: %d", i, v4l2_buf.flags,
buf_list->v4l2.do_mplanes ? v4l2_plane.m.mem_offset : v4l2_buf.m.offset);
buf_list->v4l2->do_mplanes ? v4l2_plane.m.mem_offset : v4l2_buf.m.offset);
}
error:

3
device/v4l2/v4l2.c
View File

@ -15,7 +15,8 @@ device_hw_t v4l2_device_hw = {
.buffer_list_dequeue = v4l2_buffer_list_dequeue,
.buffer_list_pollfd = v4l2_buffer_list_pollfd,
.buffer_list_set_format = v4l2_buffer_list_set_format,
.buffer_list_open = v4l2_buffer_list_open,
.buffer_list_close = v4l2_buffer_list_close,
.buffer_list_set_buffers = v4l2_buffer_list_set_buffers,
.buffer_list_set_stream = v4l2_buffer_list_set_stream
};

8
device/v4l2/v4l2.h
View File

@ -15,6 +15,11 @@ typedef struct device_v4l2_s {
int subdev_fd;
} device_v4l2_t;
typedef struct buffer_list_v4l2_s {
bool do_mplanes;
int type;
} buffer_list_v4l2_t;
int v4l2_device_open(device_t *dev);
void v4l2_device_close(device_t *dev);
int v4l2_device_set_decoder_start(device_t *dev, bool do_on);
@ -29,7 +34,8 @@ int v4l2_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp);
int v4l2_buffer_list_refresh_states(buffer_list_t *buf_list);
int v4l2_buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_dequeue);
int v4l2_buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigned height, unsigned format, unsigned bytesperline);
int v4l2_buffer_list_open(buffer_list_t *buf_list, unsigned width, unsigned height, unsigned format, unsigned bytesperline);
void v4l2_buffer_list_close(buffer_list_t *buf_list);
int v4l2_buffer_list_set_buffers(buffer_list_t *buf_list, int nbufs);
int v4l2_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);