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Commit a55f9233 authored by David Schleef's avatar David Schleef
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convert to new caps 

Original commit message from CVS:
convert to new caps
parent 399916f4
Hide whitespace changes
Inline Side-by-side
Showing with 63 additions and 99 deletions
sys/v4l2/gstv4l2src.c
View file @ a55f9233
......@@ -70,9 +70,8 @@ static gboolean gst_v4l2src_srcconvert (GstPad *pad,
GstFormat *dest_format,
gint64 *dest_value);
static GstPadLinkReturn gst_v4l2src_srcconnect (GstPad *pad,
GstCaps *caps);
static GstCaps * gst_v4l2src_getcaps (GstPad *pad,
GstCaps *caps);
const GstCaps2 *caps);
static GstCaps2 * gst_v4l2src_getcaps (GstPad *pad);
static GstData * gst_v4l2src_get (GstPad *pad);
/* get/set params */
......@@ -335,21 +334,16 @@ gst_v4l2src_srcconvert (GstPad *pad,
}
static GstCaps *
static GstStructure *
gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc,
GstPropsEntry *width,
GstPropsEntry *height,
GstPropsEntry *fps,
gboolean compressed)
{
GstCaps *caps = NULL;
GstStructure *structure;
switch (fourcc) {
case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
case V4L2_PIX_FMT_JPEG: /* JFIF JPEG */
caps = GST_CAPS_NEW("v4l2src_caps",
"video/x-jpeg",
NULL);
structure = gst_structure_new ("video/x-jpeg", NULL);
break;
case V4L2_PIX_FMT_RGB332:
case V4L2_PIX_FMT_RGB555:
......@@ -437,15 +431,14 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc,
break;
}
caps = GST_CAPS_NEW("v4l2src_caps",
"video/x-raw-rgb",
"bpp", GST_PROPS_INT(bpp),
"depth", GST_PROPS_INT(depth),
"red_mask", GST_PROPS_INT(r_mask),
"green_mask", GST_PROPS_INT(g_mask),
"blue_mask", GST_PROPS_INT(b_mask),
"endianness", GST_PROPS_INT(endianness),
NULL);
structure = gst_structure_new ("video/x-raw-rgb",
"bpp", G_TYPE_INT, bpp,
"depth", G_TYPE_INT, depth,
"red_mask", G_TYPE_INT, r_mask,
"green_mask", G_TYPE_INT, g_mask,
"blue_mask", G_TYPE_INT, b_mask,
"endianness", G_TYPE_INT, endianness,
NULL);
break;
}
case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
......@@ -476,10 +469,9 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc,
break;
}
caps = GST_CAPS_NEW("v4l2src_caps",
"video/x-raw-yuv",
"format", GST_PROPS_FOURCC(fcc),
NULL);
structure = gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, fcc,
NULL);
break;
}
default:
......@@ -499,26 +491,24 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc,
}
string_format = g_strdup_printf("video/%4.4s",
print_format_str);
caps = GST_CAPS_NEW("v4l2src_caps",
string_format,
NULL);
structure = gst_structure_new (string_format, NULL);
g_free(string_format);
} else {
caps = GST_CAPS_NEW("v4l2src_caps",
"video/x-raw-yuv",
"format",GST_PROPS_FOURCC(fourcc),
NULL);
structure = gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, fourcc, NULL);
}
break;
}
if (!caps->properties)
caps->properties = gst_props_empty_new();
gst_props_add_entry(caps->properties, width);
gst_props_add_entry(caps->properties, height);
gst_props_add_entry(caps->properties, fps);
#if 0
gst_caps_set_simple (caps,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", G_TYPE_DOUBLE, fps,
NULL);
#endif
return caps;
return structure;
}
#define gst_v4l2src_v4l2fourcc_to_caps_fixed(f, width, height, fps, c) \
......@@ -543,19 +533,19 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc,
static struct v4l2_fmtdesc *
gst_v4l2_caps_to_v4l2fourcc (GstV4l2Src *v4l2src,
GstCaps *caps)
GstStructure *structure)
{
gint i;
guint32 fourcc = 0;
struct v4l2_fmtdesc *end_fmt = NULL;
const gchar *format = gst_caps_get_mime(caps);
const gchar *format = gst_structure_get_name (structure);
if (!strcmp(format, "video/x-raw-yuv") ||
!strcmp(format, "video/x-raw-rgb")) {
if (!strcmp(format, "video/x-raw-rgb"))
fourcc = GST_MAKE_FOURCC('R','G','B',' ');
else
gst_caps_get_fourcc_int(caps, "format", &fourcc);
gst_structure_get_fourcc (structure, "format", &fourcc);
switch (fourcc) {
case GST_MAKE_FOURCC('I','4','2','0'):
......@@ -577,8 +567,8 @@ gst_v4l2_caps_to_v4l2fourcc (GstV4l2Src *v4l2src,
case GST_MAKE_FOURCC('R','G','B',' '): {
gint depth, endianness;
gst_caps_get_int(caps, "depth", &depth);
gst_caps_get_int(caps, "endianness", &endianness);
gst_structure_get_int (structure, "depth", &depth);
gst_structure_get_int (structure, "endianness", &endianness);
switch (depth) {
case 8:
......@@ -670,17 +660,19 @@ gst_v4l2_caps_to_v4l2fourcc (GstV4l2Src *v4l2src,
static GstPadLinkReturn
gst_v4l2src_srcconnect (GstPad *pad,
GstCaps *vscapslist)
const GstCaps2 *vscapslist)
{
GstV4l2Src *v4l2src;
GstV4l2Element *v4l2element;
GstCaps *caps;
struct v4l2_fmtdesc *format;
int w, h;
GstStructure *structure;
v4l2src = GST_V4L2SRC(gst_pad_get_parent (pad));
v4l2element = GST_V4L2ELEMENT(v4l2src);
structure = gst_caps2_get_nth_cap (vscapslist, 0);
/* clean up if we still haven't cleaned up our previous
* capture session */
if (GST_V4L2_IS_ACTIVE(v4l2element)) {
......@@ -690,52 +682,18 @@ gst_v4l2src_srcconnect (GstPad *pad,
return GST_PAD_LINK_DELAYED;
}
for (caps = vscapslist; caps != NULL; caps = caps->next) {
/* we want our own v4l2 type of fourcc codes */
if (!(format = gst_v4l2_caps_to_v4l2fourcc(v4l2src, caps))) {
continue;
}
if (gst_caps_has_property(caps, "width")) {
if (gst_caps_has_fixed_property(caps, "width")) {
gst_caps_get_int(caps, "width", &w);
} else {
int max;
gst_caps_get_int_range(caps, "width", &max, &w);
}
}
if (gst_caps_has_property(caps, "height")) {
if (gst_caps_has_fixed_property(caps, "height")) {
gst_caps_get_int(caps, "height", &h);
} else {
int max;
gst_caps_get_int_range(caps, "height", &max, &h);
}
}
/* we want our own v4l2 type of fourcc codes */
if (!(format = gst_v4l2_caps_to_v4l2fourcc(v4l2src, structure))) {
return GST_PAD_LINK_REFUSED;
}
/* we found the pixelformat! - try it out */
if (gst_v4l2src_set_capture(v4l2src, format, w, h)) {
/* it fits! Now, get the proper counterpart and retry
* it on the other side (again...) - if it works, we're
* done -> GST_PAD_LINK_OK */
GstCaps *lastcaps;
GstPadLinkReturn ret_val;
lastcaps = gst_v4l2src_v4l2fourcc_to_caps_fixed(format->pixelformat,
v4l2src->format.fmt.pix.width,
v4l2src->format.fmt.pix.height,
gst_v4l2src_get_fps(v4l2src),
format->flags & V4L2_FMT_FLAG_COMPRESSED);
ret_val = gst_pad_try_set_caps(v4l2src->srcpad,
lastcaps);
if (ret_val > 0) {
if (gst_v4l2src_capture_init(v4l2src)) {
return GST_PAD_LINK_DONE;
}
} else if (ret_val == GST_PAD_LINK_DELAYED) {
return GST_PAD_LINK_DELAYED;
}
gst_structure_get_int (structure, "width", &w);
gst_structure_get_int (structure, "height", &h);
/* we found the pixelformat! - try it out */
if (gst_v4l2src_set_capture(v4l2src, format, w, h)) {
if (gst_v4l2src_capture_init(v4l2src)) {
return GST_PAD_LINK_OK;
}
}
......@@ -743,12 +701,11 @@ gst_v4l2src_srcconnect (GstPad *pad,
}
static GstCaps *
gst_v4l2src_getcaps (GstPad *pad,
GstCaps *caps)
static GstCaps2 *
gst_v4l2src_getcaps (GstPad *pad)
{
GstV4l2Src *v4l2src = GST_V4L2SRC(gst_pad_get_parent (pad));
GstCaps *list = NULL;
GstCaps2 *caps;
gint i;
struct v4l2_fmtdesc *format;
int min_w, max_w, min_h, max_h;
......@@ -758,7 +715,10 @@ gst_v4l2src_getcaps (GstPad *pad,
}
/* build our own capslist */
caps = gst_caps2_new_empty();
for (i=0;i<g_list_length(v4l2src->formats);i++) {
GstStructure *structure;
format = g_list_nth_data(v4l2src->formats, i);
/* get size delimiters */
......@@ -769,15 +729,19 @@ gst_v4l2src_getcaps (GstPad *pad,
}
/* add to list */
caps = gst_v4l2src_v4l2fourcc_to_caps_range(format->pixelformat,
min_w, max_w,
min_h, max_h,
format->flags & V4L2_FMT_FLAG_COMPRESSED);
structure = gst_v4l2src_v4l2fourcc_to_caps (format->pixelformat,
format->flags & V4L2_FMT_FLAG_COMPRESSED);
list = gst_caps_append(list, caps);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, min_w, max_w,
"height", GST_TYPE_INT_RANGE, min_h, max_h,
"framerate", GST_TYPE_DOUBLE_RANGE, 0, G_MAXDOUBLE,
NULL);
gst_caps2_append_cap (caps, structure);
}
return list;
return caps;
}
......
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