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-rw-r--r--sys/v4l2/v4l2src_calls.c125
1 files changed, 65 insertions, 60 deletions
diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c
index 4f55d8b6..f50c6478 100644
--- a/sys/v4l2/v4l2src_calls.c
+++ b/sys/v4l2/v4l2src_calls.c
@@ -73,14 +73,13 @@ gst_v4l2src_fill_format_list (GstV4l2Src * v4l2src)
format->index = n;
format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_ENUM_FMT,
- format) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_ENUM_FMT, format) < 0) {
if (errno == EINVAL) {
break; /* end of enumeration */
} else {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
("failed to get number %d in pixelformat enumeration for %s: %s",
- n, GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ n, v4l2src->v4l2object->videodev, g_strerror (errno)));
g_free (format);
return FALSE;
}
@@ -122,11 +121,11 @@ gst_v4l2src_queue_frame (GstV4l2Src * v4l2src, guint i)
{
GST_LOG_OBJECT (v4l2src, "queueing frame %u", i);
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_QBUF,
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF,
&v4l2src->pool->buffers[i].buffer) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, WRITE,
(_("Could not write to device \"%s\"."),
- GST_V4L2ELEMENT (v4l2src)->videodev),
+ v4l2src->v4l2object->videodev),
("Error queueing buffer %u on device %s", i, g_strerror (errno)));
return FALSE;
}
@@ -150,26 +149,26 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src)
memset (&buffer, 0x00, sizeof (buffer));
buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buffer.memory = v4l2src->breq.memory;
- while (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_DQBUF, &buffer) < 0) {
+ while (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_DQBUF, &buffer) < 0) {
/* if the sync() got interrupted, we can retry */
switch (errno) {
case EAGAIN:
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
("Non-blocking I/O has been selected using O_NONBLOCK and"
" no buffer was in the outgoing queue. device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
break;
case EINVAL:
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
("The buffer type is not supported, or the index is out of bounds,"
" or no buffers have been allocated yet, or the userptr"
" or length are invalid. device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
break;
case ENOMEM:
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
("isufficient memory to enqueue a user pointer buffer. device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
break;
case EIO:
GST_WARNING_OBJECT (v4l2src,
@@ -178,12 +177,12 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src)
" Note the driver might dequeue an (empty) buffer despite"
" returning an error, or even stop capturing."
" device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno));
+ v4l2src->v4l2object->videodev, g_strerror (errno));
break;
case EINTR:
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SYNC, (NULL),
("could not sync on a buffer on device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
break;
default:
GST_DEBUG_OBJECT (v4l2src, "grab got interrupted");
@@ -193,7 +192,7 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src)
if (--trials == -1) {
return -1;
} else {
- ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_QBUF, &buffer);
+ ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF, &buffer);
memset (&buffer, 0x00, sizeof (buffer));
buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buffer.memory = v4l2src->breq.memory;
@@ -218,14 +217,13 @@ gst_v4l2src_get_capture (GstV4l2Src * v4l2src)
{
DEBUG ("Getting capture format");
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_G_FMT,
- &v4l2src->format) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_G_FMT, &v4l2src->format) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
("failed to get pixelformat for device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
return FALSE;
}
@@ -246,8 +244,8 @@ gst_v4l2src_set_capture (GstV4l2Src * v4l2src,
DEBUG ("Setting capture format to %dx%d, format %s",
width, height, fmt->description);
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
- GST_V4L2_CHECK_NOT_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
+ GST_V4L2_CHECK_NOT_ACTIVE (v4l2src->v4l2object);
memset (&v4l2src->format, 0, sizeof (struct v4l2_format));
v4l2src->format.fmt.pix.width = width;
@@ -256,12 +254,11 @@ gst_v4l2src_set_capture (GstV4l2Src * v4l2src,
v4l2src->format.fmt.pix.field = V4L2_FIELD_INTERLACED;
v4l2src->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_S_FMT,
- &v4l2src->format) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_S_FMT, &v4l2src->format) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
("failed to set pixelformat to %s @ %dx%d for device %s: %s",
fmt->description, width, height,
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
return FALSE;
}
@@ -284,8 +281,8 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
GST_DEBUG_OBJECT (v4l2src, "initting the capture system");
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
- GST_V4L2_CHECK_NOT_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
+ GST_V4L2_CHECK_NOT_ACTIVE (v4l2src->v4l2object);
/* request buffer info */
buffers = v4l2src->breq.count;
@@ -296,32 +293,32 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
v4l2src->breq.count = GST_V4L2_MIN_BUFFERS;
}
v4l2src->breq.type = v4l2src->format.type;
- if (GST_V4L2ELEMENT (v4l2src)->vcap.capabilities & V4L2_CAP_STREAMING) {
+ if (v4l2src->v4l2object->vcap.capabilities & V4L2_CAP_STREAMING) {
v4l2src->breq.memory = V4L2_MEMORY_MMAP;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_REQBUFS,
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_REQBUFS,
&v4l2src->breq) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
(_("Could not get buffers from device \"%s\"."),
- GST_V4L2ELEMENT (v4l2src)->videodev),
+ v4l2src->v4l2object->videodev),
("error requesting %d buffers: %s",
v4l2src->breq.count, g_strerror (errno)));
return FALSE;
}
GST_LOG_OBJECT (v4l2src, "using default mmap method");
- } else if (GST_V4L2ELEMENT (v4l2src)->vcap.capabilities & V4L2_CAP_READWRITE) {
+ } else if (v4l2src->v4l2object->vcap.capabilities & V4L2_CAP_READWRITE) {
v4l2src->breq.memory = 0;
GST_INFO_OBJECT (v4l2src, "using fallback read method");
} else {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
(_("the driver of device \"%s\" is broken."),
- GST_V4L2ELEMENT (v4l2src)->videodev),
+ v4l2src->v4l2object->videodev),
("no supported read capability from %s",
- GST_V4L2ELEMENT (v4l2src)->videodev));
+ v4l2src->v4l2object->videodev));
return FALSE;
}
/* Determine the device's framerate */
- if (!gst_v4l2src_get_fps (v4l2src, &v4l2src->fps_n, &v4l2src->fps_d)) {
+ if (!gst_v4l2src_update_fps (v4l2src->v4l2object)) {
GST_DEBUG_OBJECT (v4l2src, "frame rate is unknown.");
v4l2src->fps_d = 1;
v4l2src->fps_n = 0;
@@ -331,7 +328,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
if (v4l2src->breq.count < GST_V4L2_MIN_BUFFERS) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ,
(_("Could not get enough buffers from device \"%s\"."),
- GST_V4L2ELEMENT (v4l2src)->videodev),
+ v4l2src->v4l2object->videodev),
("we received %d, we want at least %d",
v4l2src->breq.count, GST_V4L2_MIN_BUFFERS));
v4l2src->breq.count = buffers;
@@ -351,7 +348,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
v4l2src->pool = g_new (GstV4l2BufferPool, 1);
gst_atomic_int_set (&v4l2src->pool->refcount, 1);
- v4l2src->pool->video_fd = GST_V4L2ELEMENT (v4l2src)->video_fd;
+ v4l2src->pool->video_fd = v4l2src->v4l2object->video_fd;
v4l2src->pool->buffer_count = v4l2src->breq.count;
v4l2src->pool->buffers = g_new0 (GstV4l2Buffer, v4l2src->breq.count);
@@ -365,7 +362,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
buffer->buffer.type = v4l2src->breq.type;
buffer->buffer.memory = v4l2src->breq.memory;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_QUERYBUF,
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QUERYBUF,
&buffer->buffer) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ, (NULL),
("Could not get buffer properties of buffer %d: %s",
@@ -375,7 +372,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
}
buffer->start =
mmap (0, buffer->buffer.length, PROT_READ | PROT_WRITE, MAP_SHARED,
- GST_V4L2ELEMENT (v4l2src)->video_fd, buffer->buffer.m.offset);
+ v4l2src->v4l2object->video_fd, buffer->buffer.m.offset);
if (buffer->start == MAP_FAILED) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, READ, (NULL),
("Could not mmap video buffer %d: %s", n, g_strerror (errno)));
@@ -394,7 +391,7 @@ gst_v4l2src_capture_init (GstV4l2Src * v4l2src)
v4l2src->pool = NULL;
}
- GST_V4L2_SET_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_SET_ACTIVE (v4l2src->v4l2object);
return TRUE;
}
@@ -413,19 +410,19 @@ gst_v4l2src_capture_start (GstV4l2Src * v4l2src)
GST_DEBUG_OBJECT (v4l2src, "starting the capturing");
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
- if (!GST_V4L2_IS_ACTIVE (GST_V4L2ELEMENT (v4l2src))) {
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
+ if (!GST_V4L2_IS_ACTIVE (v4l2src->v4l2object)) {
/* gst_pad_renegotiate (v4l2src->srcpad); FIX: is it still required in 0.10 */
}
- GST_V4L2_CHECK_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
v4l2src->quit = FALSE;
if (v4l2src->breq.memory != 0) {
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_STREAMON, &type) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMON, &type) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, OPEN_READ, (NULL),
("Error starting streaming capture from device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
return FALSE;
}
}
@@ -448,17 +445,16 @@ gst_v4l2src_capture_stop (GstV4l2Src * v4l2src)
gint type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
GST_DEBUG_OBJECT (v4l2src, "stopping capturing");
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
- GST_V4L2_CHECK_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
+ GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
if (v4l2src->breq.memory != 0) {
/* we actually need to sync on all queued buffers but not
* on the non-queued ones */
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_STREAMOFF,
- &type) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_STREAMOFF, &type) < 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, CLOSE, (NULL),
("Error stopping streaming capture from device %s: %s",
- GST_V4L2ELEMENT (v4l2src)->videodev, g_strerror (errno)));
+ v4l2src->v4l2object->videodev, g_strerror (errno)));
return FALSE;
}
}
@@ -524,14 +520,14 @@ gst_v4l2src_capture_deinit (GstV4l2Src * v4l2src)
GST_DEBUG_OBJECT (v4l2src, "deinitting capture system");
- GST_V4L2_CHECK_OPEN (GST_V4L2ELEMENT (v4l2src));
- GST_V4L2_CHECK_ACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_CHECK_OPEN (v4l2src->v4l2object);
+ GST_V4L2_CHECK_ACTIVE (v4l2src->v4l2object);
if (v4l2src->pool) {
/* free the buffers */
for (i = 0; i < v4l2src->breq.count; i++) {
if (g_atomic_int_dec_and_test (&v4l2src->pool->buffers[i].refcount)) {
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_DQBUF,
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_DQBUF,
&v4l2src->pool->buffers[i].buffer) < 0)
GST_WARNING_OBJECT (v4l2src,
"Could not dequeue buffer on uninitialization: %s - will try reinit instead",
@@ -558,7 +554,7 @@ gst_v4l2src_capture_deinit (GstV4l2Src * v4l2src)
}
}
- GST_V4L2_SET_INACTIVE (GST_V4L2ELEMENT (v4l2src));
+ GST_V4L2_SET_INACTIVE (v4l2src->v4l2object);
return TRUE;
}
@@ -585,7 +581,7 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
fmt.fmt.pix.height = 0;
fmt.fmt.pix.pixelformat = format->pixelformat;
fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
return FALSE;
}
@@ -598,7 +594,7 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
fmt.fmt.pix.width = G_MAXINT;
fmt.fmt.pix.height = G_MAXINT;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
return FALSE;
}
@@ -613,19 +609,28 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
}
gboolean
+gst_v4l2src_update_fps (GstV4l2Object * v4l2object)
+{
+ GstV4l2Src *v4l2src = GST_V4L2SRC (v4l2object->element);
+
+ return gst_v4l2src_get_fps (v4l2src, &v4l2src->fps_n, &v4l2src->fps_d);
+}
+
+gboolean
gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
{
+ GstV4l2Object *v4l2object = v4l2src->v4l2object;
v4l2_std_id std;
struct v4l2_streamparm stream;
const GList *item;
- if (!GST_V4L2_IS_OPEN (GST_V4L2ELEMENT (v4l2src)))
+ if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
/* Try to get the frame rate directly from the device using VIDIOC_G_PARM */
stream.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if (ioctl (GST_V4L2ELEMENT (v4l2src)->video_fd, VIDIOC_G_PARM, &stream) == 0
- && stream.parm.capture.capability & V4L2_CAP_TIMEPERFRAME) {
+ if (ioctl (v4l2object->video_fd, VIDIOC_G_PARM, &stream) == 0 &&
+ stream.parm.capture.capability & V4L2_CAP_TIMEPERFRAME) {
/* Note: V4L2 gives us the frame interval, we need the frame rate */
*fps_n = stream.parm.capture.timeperframe.denominator;
*fps_d = stream.parm.capture.timeperframe.numerator;
@@ -635,9 +640,9 @@ gst_v4l2src_get_fps (GstV4l2Src * v4l2src, guint * fps_n, guint * fps_d)
}
/* If G_PARM failed, try to get the same information from the video standard */
- if (!gst_v4l2_get_norm (GST_V4L2ELEMENT (v4l2src), &std))
+ if (!gst_v4l2_get_norm (v4l2object, &std))
return FALSE;
- for (item = GST_V4L2ELEMENT (v4l2src)->stds; item != NULL; item = item->next) {
+ for (item = v4l2object->stds; item != NULL; item = item->next) {
GstV4l2TunerNorm *v4l2norm = item->data;
if (v4l2norm->index == std) {
@@ -667,8 +672,8 @@ GValue *
gst_v4l2src_get_fps_list (GstV4l2Src * v4l2src)
{
gint fps_index;
- struct video_window *vwin = &GST_V4L2ELEMENT (v4l2src)->vwin;
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (v4l2src);
+ struct video_window *vwin = &v4l2src->v4l2object->vwin;
+ GstV4l2Object *v4l2object = v4l2src->v4l2object;
/* check if we have vwin window properties giving a framerate,
* as is done for webcams
@@ -701,7 +706,7 @@ gst_v4l2src_get_fps_list (GstV4l2Src * v4l2src)
vwin->flags &= (0x3F00 - 1);
/* set bits 16 to 21 to the index */
vwin->flags |= i << 16;
- if (gst_v4l2_set_window_properties (v4l2element)) {
+ if (gst_v4l2_set_window_properties (v4l2object)) {
/* setting it succeeded. FIXME: get it and check. */
g_value_init (&value, GST_TYPE_FRACTION);
gst_value_set_fraction (&value, i * 15, 16);
@@ -712,7 +717,7 @@ gst_v4l2src_get_fps_list (GstV4l2Src * v4l2src)
/* FIXME: set back the original fps_index */
vwin->flags &= (0x3F00 - 1);
vwin->flags |= fps_index << 16;
- gst_v4l2_set_window_properties (v4l2element);
+ gst_v4l2_set_window_properties (v4l2object);
return list;
}
return NULL;
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-28 13:09:19 +0000