bool bitmap_resize(struct bitmap *img, HermesHandle hermes_h,
HermesFormat *fmt, int nw, int nh)
{
unsigned int state = 0;
short bpp = bitmap_get_bpp( img );
int stride = bitmap_get_rowstride( img );
int err;
if( img->resized != NULL ) {
if( img->resized->width != nw || img->resized->height != nh ) {
bitmap_destroy( img->resized );
img->resized = NULL;
} else {
/* the bitmap is already resized */
return(true);
}
}
/* allocate the mem for resized bitmap */
if (img->opaque == true) {
state |= BITMAP_OPAQUE;
}
img->resized = bitmap_create_ex( nw, nh, bpp, nw*bpp, state, NULL );
if( img->resized == NULL ) {
printf("W: %d, H: %d, bpp: %d\n", nw, nh, bpp);
assert(img->resized);
return(false);
}
/* allocate an converter, only for resizing */
err = Hermes_ConverterRequest( hermes_h,
fmt,
fmt
);
if( err == 0 ) {
return(false);
}
err = Hermes_ConverterCopy( hermes_h,
img->pixdata,
0, /* x src coord of top left in pixel coords */
0, /* y src coord of top left in pixel coords */
bitmap_get_width( img ), bitmap_get_height( img ),
stride, /* stride as bytes */
img->resized->pixdata,
0, /* x dst coord of top left in pixel coords */
0, /* y dst coord of top left in pixel coords */
nw, nh,
bitmap_get_rowstride(img->resized) /* stride as bytes */
);
if( err == 0 ) {
bitmap_destroy( img->resized );
img->resized = NULL;
return(false);
}
return(true);
}
static GstPadLinkReturn
gst_hermes_colorspace_link (GstPad * pad, const GstCaps * caps)
{
GstHermesColorspace *space;
GstPad *otherpad;
GstStructure *structure;
GstPadLinkReturn link_ret;
int width, height;
double fps;
int i;
space = GST_HERMES_COLORSPACE (gst_pad_get_parent (pad));
otherpad = (pad == space->sinkpad) ? space->srcpad : space->sinkpad;
link_ret = gst_pad_try_set_caps (otherpad, caps);
if (link_ret == GST_PAD_LINK_OK) {
space->passthru = TRUE;
return link_ret;
}
structure = gst_caps_get_structure (caps, 0);
for (i = 0; i < G_N_ELEMENTS (gst_hermes_colorspace_formats); i++) {
GstCaps *icaps;
GstCaps *fcaps;
fcaps =
gst_caps_copy (gst_static_caps_get (&gst_hermes_colorspace_formats
[i].caps));
icaps = gst_caps_intersect (caps, fcaps);
if (!gst_caps_is_empty (icaps)) {
break;
}
gst_caps_free (icaps);
}
if (i == G_N_ELEMENTS (gst_hermes_colorspace_formats)) {
g_assert_not_reached ();
return GST_PAD_LINK_REFUSED;
}
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
gst_structure_get_double (structure, "framerate", &fps);
GST_INFO ("size: %dx%d", space->width, space->height);
if (gst_pad_is_negotiated (otherpad)) {
GstCaps *othercaps;
othercaps = gst_caps_copy (gst_pad_get_negotiated_caps (otherpad));
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height, "framerate", G_TYPE_DOUBLE, fps, NULL);
link_ret = gst_pad_try_set_caps (otherpad, othercaps);
if (link_ret != GST_PAD_LINK_OK) {
return link_ret;
}
}
if (pad == space->srcpad) {
space->src_format_index = i;
gst_hermes_colorspace_structure_to_hermes_format (&space->src_format,
structure);
} else {
space->sink_format_index = i;
gst_hermes_colorspace_structure_to_hermes_format (&space->sink_format,
structure);
}
space->sink_stride = width * (space->sink_format.bits / 8);
space->src_stride = width * (space->src_format.bits / 8);
space->sink_size = space->sink_stride * height;
space->src_size = space->src_stride * height;
space->width = width;
space->height = height;
space->fps = fps;
if (gst_pad_is_negotiated (otherpad)) {
if (!Hermes_ConverterRequest (space->h_handle, &space->sink_format,
&space->src_format)) {
g_warning ("Hermes: could not get converter\n");
return GST_PAD_LINK_REFUSED;
}
g_print ("inited\n");
}
return GST_PAD_LINK_OK;
}
static gboolean
colorspace_setup_converter (GstHermesColorspace * space, GstCaps * from_caps,
GstCaps * to_caps)
{
guint32 from_space, to_space;
GstStructure *from_struct;
GstStructure *to_struct;
g_return_val_if_fail (to_caps != NULL, FALSE);
g_return_val_if_fail (from_caps != NULL, FALSE);
from_struct = gst_caps_get_structure (from_caps, 0);
to_struct = gst_caps_get_structure (to_caps, 0);
from_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
gst_structure_get_fourcc (from_struct, "format", &from_space);
to_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
gst_structure_get_fourcc (to_struct, "format", &to_space);
GST_INFO ("set up converter for " GST_FOURCC_FORMAT
" (%08x) to " GST_FOURCC_FORMAT " (%08x)",
GST_FOURCC_ARGS (from_space), from_space,
GST_FOURCC_ARGS (to_space), to_space);
switch (from_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
{
gint from_bpp;
gst_structure_get_int (from_struct, "bpp", &from_bpp);
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
#ifdef HAVE_HERMES
{
gint to_bpp;
gst_structure_get_int (to_struct, "bpp", &to_bpp);
gst_structure_get_int (from_struct, "red_mask", &space->source.r);
gst_structure_get_int (from_struct, "green_mask", &space->source.g);
gst_structure_get_int (from_struct, "blue_mask", &space->source.b);
space->source.a = 0;
space->srcbpp = space->source.bits = from_bpp;
space->source.indexed = 0;
space->source.has_colorkey = 0;
GST_INFO ("source red mask %08x", space->source.r);
GST_INFO ("source green mask %08x", space->source.g);
GST_INFO ("source blue mask %08x", space->source.b);
GST_INFO ("source bpp %08x", space->srcbpp);
gst_structure_get_int (to_struct, "red_mask", &space->dest.r);
gst_structure_get_int (to_struct, "green_mask", &space->dest.g);
gst_structure_get_int (to_struct, "blue_mask", &space->dest.b);
space->dest.a = 0;
space->destbpp = space->dest.bits = to_bpp;
space->dest.indexed = 0;
space->dest.has_colorkey = 0;
GST_INFO ("dest red mask %08x", space->dest.r);
GST_INFO ("dest green mask %08x", space->dest.g);
GST_INFO ("dest blue mask %08x", space->dest.b);
GST_INFO ("dest bpp %08x", space->destbpp);
if (!Hermes_ConverterRequest (space->h_handle, &space->source,
&space->dest)) {
g_warning ("Hermes: could not get converter\n");
return FALSE;
}
GST_INFO ("converter set up");
space->type = GST_HERMES_COLORSPACE_HERMES;
return TRUE;
}
#else
g_warning ("colorspace: compiled without hermes!");
return FALSE;
#endif
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
if (from_bpp == 32) {
space->type = GST_HERMES_COLORSPACE_RGB32_YV12;
space->destbpp = 12;
return TRUE;
}
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
if (from_bpp == 32) {
space->type = GST_HERMES_COLORSPACE_RGB32_I420;
space->destbpp = 12;
return TRUE;
}
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
GST_INFO ("colorspace: RGB to YUV with bpp %d not implemented!!",
from_bpp);
return FALSE;
}
break;
}
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YUV to RGB");
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
space->converter =
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
return TRUE;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
space->type = GST_HERMES_COLORSPACE_420_SWAP;
space->destbpp = 12;
return TRUE;
}
break;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
switch (to_space) {
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_YUY2_I420;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 16;
return TRUE;
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YUY2 to RGB not implemented!!");
return FALSE;
}
break;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YV12 to RGB");
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
space->converter =
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
return TRUE;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_420_SWAP;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 12;
return TRUE;
}
break;
}
return FALSE;
}