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Add support for libdc1394 2.0.0 and above and require this version now. Fixes bug #514964.

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Original commit message from CVS:
Patch by: Daniel Fischer <dan at f3c dot com>
* configure.ac:
* ext/dc1394/gstdc1394.c: (gst_dc1394_change_state),
(gst_dc1394_get_cam_caps), (gst_dc1394_open_cam_with_best_caps):
* ext/dc1394/gstdc1394.h:
Add support for libdc1394 2.0.0 and above and require this version
now. Fixes bug #514964.
This commit is contained in:
Daniel Fischer 2008-02-26 05:54:26 +00:00 committed by Sebastian Dröge
parent 72f07c778e
commit 5a0a89a8a0
4 changed files with 59 additions and 51 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2008-02-26 Sebastian Dröge <slomo@circular-chaos.org>
Patch by: Daniel Fischer <dan at f3c dot com>
* configure.ac:
* ext/dc1394/gstdc1394.c: (gst_dc1394_change_state),
(gst_dc1394_get_cam_caps), (gst_dc1394_open_cam_with_best_caps):
* ext/dc1394/gstdc1394.h:
Add support for libdc1394 2.0.0 and above and require this version
now. Fixes bug #514964.
2008-02-26 Sebastian Dröge <slomo@circular-chaos.org>
Patch by: Wouter Cloetens <wouter at mind dot be>

2
configure.ac
View file

@ -361,7 +361,7 @@ AG_GST_CHECK_FEATURE(CDAUDIO, [cdaudio], cdaudio, [
dnl *** dc1394 ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DC1394, true)
AG_GST_CHECK_FEATURE(DC1394, [libdc1394], dc1394, [
PKG_CHECK_MODULES(LIBDC1394, libdc1394-2 == 2.0.0-rc5, HAVE_DC1394="yes", [
PKG_CHECK_MODULES(LIBDC1394, libdc1394-2 >= 2.0.0, HAVE_DC1394="yes", [
HAVE_DC1394="no"
AC_MSG_RESULT(no)
])

96
ext/dc1394/gstdc1394.c
View file

@ -421,6 +421,7 @@ gst_dc1394_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
GST_LOG_OBJECT (src, "State change null to ready");
src->dc1394 = dc1394_new ();
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_LOG_OBJECT (src, "State ready to paused");
@ -468,7 +469,7 @@ gst_dc1394_change_state (GstElement * element, GstStateChange transition)
if (src->camera && !gst_dc1394_change_camera_transmission (src, FALSE)) {
if (src->camera) {
dc1394_free_camera (src->camera);
dc1394_camera_free (src->camera);
}
src->camera = NULL;
@ -484,10 +485,15 @@ gst_dc1394_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_READY_TO_NULL:
GST_LOG_OBJECT (src, "State change ready to null");
if (src->camera) {
dc1394_free_camera (src->camera);
dc1394_camera_free (src->camera);
}
src->camera = NULL;
if (src->dc1394) {
dc1394_free (src->dc1394);
}
src->dc1394 = NULL;
if (src->caps) {
gst_caps_unref (src->caps);
src->caps = NULL;
@ -838,9 +844,8 @@ gst_dc1394_get_cam_caps (GstDc1394 * src)
{
dc1394camera_t *camera = NULL;
dc1394camera_t **cameras = NULL;
dc1394camera_list_t *cameras = NULL;
dc1394error_t camerr;
guint numCameras;
gint i, j;
dc1394video_modes_t modes;
dc1394framerates_t framerates;
@ -848,42 +853,33 @@ gst_dc1394_get_cam_caps (GstDc1394 * src)
gcaps = gst_caps_new_empty ();
camerr = dc1394_find_cameras (&cameras, &numCameras);
camerr = dc1394_camera_enumerate (src->dc1394, &cameras);
if (camerr != DC1394_SUCCESS) {
if (camerr == DC1394_NO_CAMERA) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, ("There were no cameras"),
("There were no cameras"));
} else {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("Can't find cameras error : %d", camerr),
("Can't find cameras error : %d", camerr));
}
if (camerr != DC1394_SUCCESS || cameras == NULL) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("Can't find cameras error : %d", camerr),
("Can't find cameras error : %d", camerr));
goto error;
}
if (src->camnum > (numCameras - 1)) {
if (cameras->num == 0) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, ("There were no cameras"),
("There were no cameras"));
goto error;
}
if (src->camnum > (cameras->num - 1)) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Invalid camera number"),
("Invalid camera number %d", src->camnum));
for (i = 0; i < numCameras; i++) {
if (i != src->camnum) {
dc1394_free_camera (cameras[i]);
}
}
goto error;
}
camera = cameras[src->camnum];
camera =
dc1394_camera_new_unit (src->dc1394, cameras->ids[src->camnum].guid,
cameras->ids[src->camnum].unit);
// free the other cameras
for (i = 0; i < numCameras; i++) {
if (i != src->camnum) {
dc1394_free_camera (cameras[i]);
}
}
free (cameras);
dc1394_camera_free_list (cameras);
cameras = NULL;
camerr = dc1394_video_get_supported_modes (camera, &modes);
if (camerr != DC1394_SUCCESS) {
@ -897,7 +893,7 @@ gst_dc1394_get_cam_caps (GstDc1394 * src)
if (m < DC1394_VIDEO_MODE_EXIF) {
GstStructure *gs = gst_structure_empty_new ("");
GstStructure *gs = gst_structure_empty_new ("video");
gst_structure_set (gs, "vmode", G_TYPE_INT, m, NULL);
@ -916,7 +912,7 @@ gst_dc1394_get_cam_caps (GstDc1394 * src)
} else {
// FORMAT 7
guint maxx, maxy;
GstStructure *gs = gst_structure_empty_new ("");
GstStructure *gs = gst_structure_empty_new ("video");
dc1394color_codings_t colormodes;
guint xunit, yunit;
@ -972,7 +968,7 @@ gst_dc1394_get_cam_caps (GstDc1394 * src)
}
if (camera) {
dc1394_free_camera (camera);
dc1394_camera_free (camera);
}
return gcaps;
@ -983,8 +979,13 @@ error:
gst_caps_unref (gcaps);
}
if (cameras) {
dc1394_camera_free_list (cameras);
cameras = NULL;
}
if (camera) {
dc1394_free_camera (camera);
dc1394_camera_free (camera);
camera = NULL;
}
@ -1023,24 +1024,22 @@ gst_dc1394_framerate_frac_to_const (gint num, gint denom)
static gboolean
gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
{
dc1394camera_t **cameras = NULL;
guint numCameras;
gint i;
dc1394camera_list_t *cameras = NULL;
gint err;
int framerateconst;
GST_LOG_OBJECT (src, "Opening the camera!!!");
if (dc1394_find_cameras (&cameras, &numCameras) != DC1394_SUCCESS) {
if (dc1394_camera_enumerate (src->dc1394, &cameras) != DC1394_SUCCESS) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Can't find cameras"),
("Can't find cameras"));
goto error;
}
GST_LOG_OBJECT (src, "Found %d cameras", numCameras);
GST_LOG_OBJECT (src, "Found %d cameras", cameras->num);
if (src->camnum > (numCameras - 1)) {
if (src->camnum > (cameras->num - 1)) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Invalid camera number"),
("Invalid camera number"));
goto error;
@ -1048,15 +1047,12 @@ gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
GST_LOG_OBJECT (src, "Opening camera : %d", src->camnum);
src->camera = cameras[src->camnum];
src->camera =
dc1394_camera_new_unit (src->dc1394, cameras->ids[src->camnum].guid,
cameras->ids[src->camnum].unit);
// free the other cameras
for (i = 0; i < numCameras; i++) {
if (i != src->camnum)
dc1394_free_camera (cameras[i]);
}
free (cameras);
dc1394_camera_free_list (cameras);
cameras = NULL;
// figure out mode
framerateconst = gst_dc1394_framerate_frac_to_const (src->rate_numerator,
@ -1121,7 +1117,7 @@ gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
"Trying to cleanup the iso_channels_and_bandwidth and retrying");
// try to cleanup the bandwidth and retry
err = dc1394_cleanup_iso_channels_and_bandwidth (src->camera);
err = dc1394_iso_release_all (src->camera);
if (err != DC1394_SUCCESS) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED,
("Could not cleanup bandwidth"), ("Could not cleanup bandwidth"));
@ -1152,7 +1148,7 @@ gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
error:
if (src->camera) {
dc1394_free_camera (src->camera);
dc1394_camera_free (src->camera);
src->camera = NULL;
}

1
ext/dc1394/gstdc1394.h
View file

@ -63,6 +63,7 @@ struct _GstDc1394 {
gint camnum;
gint bufsize;
dc1394_t * dc1394;
dc1394camera_t * camera;
GstCaps *caps;