DeforaOS/Camera
DeforaOS/Camera
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camera: start the stream when setting up MMAP

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This commit is contained in:
Pierre Pronchery 2024-08-28 17:43:23 +02:00
parent 65d1cde81e
commit 8d3b7beaa7
1 changed files with 10 additions and 9 deletions
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19
src/camera.c
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@ -1419,9 +1419,7 @@ static void _camera_on_gallery(gpointer data)
/* camera_on_open */ /* camera_on_open */
static int _open_setup(Camera * camera); static int _open_setup(Camera * camera);
#ifdef NOTYET
static int _open_setup_mmap(Camera * camera); static int _open_setup_mmap(Camera * camera);
#endif
static int _open_setup_read(Camera * camera); static int _open_setup_read(Camera * camera);
static gboolean _camera_on_open(gpointer data) static gboolean _camera_on_open(gpointer data)
@ -1517,11 +1515,10 @@ static int _open_setup(Camera * camera)
return -error_set_code(1, "%s: %s", camera->device, return -error_set_code(1, "%s: %s", camera->device,
_("Unsupported video capture type")); _("Unsupported video capture type"));
if((camera->cap.capabilities & V4L2_CAP_STREAMING) != 0) if((camera->cap.capabilities & V4L2_CAP_STREAMING) != 0)
#ifdef NOTYET {
ret = _open_setup_mmap(camera); if((ret = _open_setup_mmap(camera)) != 0)
#else ret = _open_setup_read(camera);
ret = _open_setup_read(camera); }
#endif
else if((camera->cap.capabilities & V4L2_CAP_READWRITE) != 0) else if((camera->cap.capabilities & V4L2_CAP_READWRITE) != 0)
ret = _open_setup_read(camera); ret = _open_setup_read(camera);
else else
@ -1545,12 +1542,12 @@ static int _open_setup(Camera * camera)
return 0; return 0;
} }
#ifdef NOTYET
static int _open_setup_mmap(Camera * camera) static int _open_setup_mmap(Camera * camera)
{ {
struct v4l2_requestbuffers req; struct v4l2_requestbuffers req;
size_t i; size_t i;
struct v4l2_buffer buf; struct v4l2_buffer buf;
enum v4l2_buf_type type;
#ifdef DEBUG #ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__); fprintf(stderr, "DEBUG: %s()\n", __func__);
@ -1593,9 +1590,13 @@ static int _open_setup_mmap(Camera * camera)
_("Could not map buffers")); _("Could not map buffers"));
camera->buffers[i].length = buf.length; camera->buffers[i].length = buf.length;
} }
/* start the stream */
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if(_camera_ioctl(camera, VIDIOC_STREAMON, &type) == -1)
return -error_set_code(1, "%s: %s", camera->device,
_("Could not start the stream"));
return 0; return 0;
} }
#endif
static int _open_setup_read(Camera * camera) static int _open_setup_read(Camera * camera)
{ {