EglConfig *
egl_config_new (EglDisplay * display, guint gles_version, GstVideoFormat format)
{
EGLint attribs[2 * 6 + 1], *attrib = attribs;
const GstVideoFormatInfo *finfo;
const GlVersionInfo *vinfo;
g_return_val_if_fail (display != NULL, NULL);
finfo = gst_video_format_get_info (format);
if (!finfo || !GST_VIDEO_FORMAT_INFO_IS_RGB (finfo))
return NULL;
vinfo = gl_version_info_lookup (gles_version);
if (!vinfo)
return NULL;
*attrib++ = EGL_COLOR_BUFFER_TYPE;
*attrib++ = EGL_RGB_BUFFER;
*attrib++ = EGL_RED_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_R);
*attrib++ = EGL_GREEN_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_G);
*attrib++ = EGL_BLUE_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_B);
*attrib++ = EGL_ALPHA_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_A);
*attrib++ = EGL_RENDERABLE_TYPE;
*attrib++ = vinfo->gl_api_bit;
*attrib++ = EGL_NONE;
g_assert (attrib - attribs <= G_N_ELEMENTS (attribs));
return egl_config_new_with_attribs (display, attribs);
}
static gboolean
gst_opencv_get_ipl_depth_and_channels (GstStructure * structure,
gint * ipldepth, gint * channels, GError ** err)
{
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
const GstVideoFormatInfo *info;
gint depth = 0, i;
const gchar *s;
if (gst_structure_has_name (structure, "video/x-raw")) {
if (!(s = gst_structure_get_string (structure, "format")))
return FALSE;
format = gst_video_format_from_string (s);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
return FALSE;
}
info = gst_video_format_get_info (format);
if (GST_VIDEO_FORMAT_INFO_IS_RGB (info))
*channels=3;
else if (GST_VIDEO_FORMAT_INFO_IS_GRAY (info))
*channels=1;
else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported structure %s", gst_structure_get_name (structure));
return FALSE;
}
for (i = 0; i < GST_VIDEO_FORMAT_INFO_N_COMPONENTS (info); i++)
depth += GST_VIDEO_FORMAT_INFO_DEPTH (info, i);
if (depth / *channels == 8) {
/* TODO signdness? */
*ipldepth = IPL_DEPTH_8U;
} else if (depth / *channels == 16) {
*ipldepth = IPL_DEPTH_16U;
} else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported depth/channels %d/%d", depth, *channels);
return FALSE;
}
return TRUE;
}
static void
check_1x1_buffer (GstBuffer * buf, GstCaps * caps)
{
GstVideoInfo info;
GstVideoFrame frame;
/* the exact values we check for come from videotestsrc */
static const guint yuv_values[] = { 81, 90, 240, 255 };
static const guint rgb_values[] = { 0xff, 0, 0, 255 };
static const guint gray8_values[] = { 0x51 };
static const guint gray16_values[] = { 0x5151 };
const guint *values;
guint i;
const GstVideoFormatInfo *finfo;
fail_unless (buf != NULL);
fail_unless (caps != NULL);
fail_unless (gst_video_info_from_caps (&info, caps));
fail_unless (gst_video_frame_map (&frame, &info, buf, GST_MAP_READ));
finfo = info.finfo;
if (GST_VIDEO_INFO_IS_YUV (&info))
values = yuv_values;
else if (GST_VIDEO_INFO_IS_GRAY (&info))
if (GST_VIDEO_FORMAT_INFO_BITS (finfo) == 8)
values = gray8_values;
else
values = gray16_values;
else
values = rgb_values;
GST_MEMDUMP ("buffer", GST_VIDEO_FRAME_PLANE_DATA (&frame, 0), 8);
for (i = 0; i < GST_VIDEO_FRAME_N_COMPONENTS (&frame); i++) {
guint8 *data = GST_VIDEO_FRAME_COMP_DATA (&frame, i);
GST_DEBUG ("W: %d", GST_VIDEO_FORMAT_INFO_W_SUB (finfo, i));
GST_DEBUG ("H: %d", GST_VIDEO_FORMAT_INFO_H_SUB (finfo, i));
if (GST_VIDEO_FORMAT_INFO_W_SUB (finfo,
i) >= GST_VIDEO_FRAME_WIDTH (&frame))
continue;
if (GST_VIDEO_FORMAT_INFO_H_SUB (finfo,
i) >= GST_VIDEO_FRAME_HEIGHT (&frame))
continue;
if (GST_VIDEO_FORMAT_INFO_BITS (finfo) == 8) {
fail_unless_equals_int (data[0], values[i]);
} else if (GST_VIDEO_FORMAT_INFO_BITS (finfo) == 16) {
guint16 pixels, val;
gint depth;
if (GST_VIDEO_FORMAT_INFO_IS_LE (finfo))
pixels = GST_READ_UINT16_LE (data);
else
pixels = GST_READ_UINT16_BE (data);
depth = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, i);
val = pixels >> GST_VIDEO_FORMAT_INFO_SHIFT (finfo, i);
val = val & ((1 << depth) - 1);
GST_DEBUG ("val %08x %d : %d", pixels, i, val);
if (depth <= 8) {
fail_unless_equals_int (val, values[i] >> (8 - depth));
} else {
