Commit a0822750 authored by David Schleef's avatar David Schleef
Browse files

video: Add gst_video_format_new_template_caps()

parent 91ed9290
......@@ -544,36 +544,14 @@ gst_video_format_new_caps_interlaced (GstVideoFormat format,
return res;
}
/**
* gst_video_format_new_caps:
* @format: the #GstVideoFormat describing the raw video format
* @width: width of video
* @height: height of video
* @framerate_n: numerator of frame rate
* @framerate_d: denominator of frame rate
* @par_n: numerator of pixel aspect ratio
* @par_d: denominator of pixel aspect ratio
*
* Creates a new #GstCaps object based on the parameters provided.
*
* Since: 0.10.16
*
* Returns: a new #GstCaps object, or NULL if there was an error
*/
GstCaps *
gst_video_format_new_caps (GstVideoFormat format, int width,
int height, int framerate_n, int framerate_d, int par_n, int par_d)
static GstCaps *
gst_video_format_new_caps_raw (GstVideoFormat format)
{
g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
g_return_val_if_fail (width > 0 && height > 0, NULL);
if (gst_video_format_is_yuv (format)) {
return gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, gst_video_format_to_fourcc (format),
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
"format", GST_TYPE_FOURCC, gst_video_format_to_fourcc (format), NULL);
}
if (gst_video_format_is_rgb (format)) {
GstCaps *caps;
......@@ -651,14 +629,11 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
mask = 0xff0000;
}
red_mask =
mask >> (8 * gst_video_format_get_component_offset (format, 0,
width, height));
mask >> (8 * gst_video_format_get_component_offset (format, 0, 0, 0));
green_mask =
mask >> (8 * gst_video_format_get_component_offset (format, 1,
width, height));
mask >> (8 * gst_video_format_get_component_offset (format, 1, 0, 0));
blue_mask =
mask >> (8 * gst_video_format_get_component_offset (format, 2,
width, height));
mask >> (8 * gst_video_format_get_component_offset (format, 2, 0, 0));
} else if (bpp == 16) {
switch (format) {
case GST_VIDEO_FORMAT_RGB16:
......@@ -690,12 +665,7 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
}
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, bpp,
"depth", G_TYPE_INT, depth,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
"bpp", G_TYPE_INT, bpp, "depth", G_TYPE_INT, depth, NULL);
if (bpp != 8) {
gst_caps_set_simple (caps,
......@@ -707,8 +677,7 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
if (have_alpha) {
alpha_mask =
mask >> (8 * gst_video_format_get_component_offset (format, 3,
width, height));
mask >> (8 * gst_video_format_get_component_offset (format, 3, 0, 0));
gst_caps_set_simple (caps, "alpha_mask", G_TYPE_INT, alpha_mask, NULL);
}
return caps;
......@@ -740,21 +709,12 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
if (bpp > 8) {
caps = gst_caps_new_simple ("video/x-raw-gray",
"bpp", G_TYPE_INT, bpp,
"depth", G_TYPE_INT, depth,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
"bpp", G_TYPE_INT, bpp, "depth", G_TYPE_INT, depth, NULL);
} else {
caps = gst_caps_new_simple ("video/x-raw-gray",
"bpp", G_TYPE_INT, bpp,
"depth", G_TYPE_INT, depth,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
"endianness", G_TYPE_INT, G_BIG_ENDIAN, NULL);
}
return caps;
......@@ -763,6 +723,96 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
return NULL;
}
/**
* gst_video_format_new_template_caps:
* @format: the #GstVideoFormat describing the raw video format
*
* Creates a new #GstCaps object based on the parameters provided.
* Size, frame rate, and pixel aspect ratio are set to the full
* range.
*
* Since: 0.10.33
*
* Returns: a new #GstCaps object, or NULL if there was an error
*/
GstCaps *
gst_video_format_new_template_caps (GstVideoFormat format)
{
GstCaps *caps;
GstStructure *structure;
g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
caps = gst_video_format_new_caps_raw (format);
if (caps) {
GValue value = { 0 };
GValue v = { 0 };
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
g_value_init (&value, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_BOOLEAN);
g_value_set_boolean (&v, TRUE);
gst_value_list_append_value (&value, &v);
g_value_set_boolean (&v, FALSE);
gst_value_list_append_value (&value, &v);
gst_structure_set_value (structure, "interlaced", &value);
g_value_reset (&value);
g_value_reset (&v);
}
return caps;
}
/**
* gst_video_format_new_caps:
* @format: the #GstVideoFormat describing the raw video format
* @width: width of video
* @height: height of video
* @framerate_n: numerator of frame rate
* @framerate_d: denominator of frame rate
* @par_n: numerator of pixel aspect ratio
* @par_d: denominator of pixel aspect ratio
*
* Creates a new #GstCaps object based on the parameters provided.
*
* Since: 0.10.16
*
* Returns: a new #GstCaps object, or NULL if there was an error
*/
GstCaps *
gst_video_format_new_caps (GstVideoFormat format, int width,
int height, int framerate_n, int framerate_d, int par_n, int par_d)
{
GstCaps *caps;
GstStructure *structure;
g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
g_return_val_if_fail (width > 0 && height > 0, NULL);
caps = gst_video_format_new_caps_raw (format);
if (caps) {
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
}
return caps;
}
/**
* gst_video_format_from_fourcc:
* @fourcc: a FOURCC value representing raw YUV video
......
......@@ -461,7 +461,8 @@ GstCaps * gst_video_format_new_caps (GstVideoFormat format,
int par_n, int par_d);
GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format,
int width, int height, int framerate_n, int framerate_d,
int par_n, int par_d, gboolean interlaced);
int par_n, int par_d, gboolean interlaced);
GstCaps * gst_video_format_new_template_caps (GstVideoFormat format);
GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
guint32 gst_video_format_to_fourcc (GstVideoFormat format);
gboolean gst_video_format_is_rgb (GstVideoFormat format);
......
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