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gst/librfb/gstrfbsrc.c: don't forget to handle the offset's

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Original commit message from CVS:
* gst/librfb/gstrfbsrc.c:
don't forget to handle the offset's
* gst/librfb/rfbdecoder.c:
* gst/librfb/rfbdecoder.h:
precalculate some many used values
This commit is contained in:
Thijs Vermeir 2007-11-15 15:32:47 +00:00
parent 88f5ef13bf
commit 621a4e4792
4 changed files with 46 additions and 26 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2007-11-15 Thijs Vermeir <thijsvermeir@gmail.com>
* gst/librfb/gstrfbsrc.c:
don't forget to handle the offset's
* gst/librfb/rfbdecoder.c:
* gst/librfb/rfbdecoder.h:
precalculate some many used values
2007-11-15 Thijs Vermeir <thijsvermeir@gmail.com> 2007-11-15 Thijs Vermeir <thijsvermeir@gmail.com>
patch by: Armando Taffarel Neto <taffarel@solis.coop.br> patch by: Armando Taffarel Neto <taffarel@solis.coop.br>

16
gst/librfb/gstrfbsrc.c
View file

@ -337,14 +337,18 @@ gst_rfb_src_start (GstBaseSrc * bsrc)
decoder->prev_frame = g_malloc (bsrc->blocksize); decoder->prev_frame = g_malloc (bsrc->blocksize);
decoder->decoder_private = src; decoder->decoder_private = src;
/* calculate some many used values */
decoder->bytespp = decoder->bpp / 8;
decoder->line_size = decoder->rect_width * decoder->bytespp;
GST_DEBUG_OBJECT (src, "setting caps width to %d and height to %d", GST_DEBUG_OBJECT (src, "setting caps width to %d and height to %d",
decoder->width, decoder->height); decoder->rect_width, decoder->rect_height);
caps = caps =
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (bsrc))); gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (bsrc)));
gst_caps_set_simple (caps, "width", G_TYPE_INT, decoder->width, "height", gst_caps_set_simple (caps, "width", G_TYPE_INT, decoder->rect_width, "height",
G_TYPE_INT, decoder->height, "bpp", G_TYPE_INT, decoder->bpp, "depth", G_TYPE_INT, decoder->rect_height, "bpp", G_TYPE_INT, decoder->bpp,
G_TYPE_INT, decoder->depth, "endianness", G_TYPE_INT, "depth", G_TYPE_INT, decoder->depth, "endianness", G_TYPE_INT,
(decoder->big_endian ? 1234 : 4321), NULL); (decoder->big_endian ? 1234 : 4321), NULL);
gst_pad_set_caps (GST_BASE_SRC_PAD (bsrc), caps); gst_pad_set_caps (GST_BASE_SRC_PAD (bsrc), caps);
gst_caps_unref (caps); gst_caps_unref (caps);
@ -425,6 +429,10 @@ gst_rfb_src_event (GstBaseSrc * bsrc, GstEvent * event)
gst_structure_get_double (structure, "pointer_y", &y); gst_structure_get_double (structure, "pointer_y", &y);
button = 0; button = 0;
/* we need to take care of the offset's */
x += src->decoder->offset_x;
y += src->decoder->offset_y;
if (strcmp (event_type, "key-press") == 0) { if (strcmp (event_type, "key-press") == 0) {
const gchar *key = gst_structure_get_string (structure, "key"); const gchar *key = gst_structure_get_string (structure, "key");

44
gst/librfb/rfbdecoder.c
View file

@ -641,23 +641,22 @@ rfb_decoder_raw_encoding (RfbDecoder * decoder, gint start_x, gint start_y,
{ {
gint size; gint size;
guint8 *frame, *buffer, *p; guint8 *frame, *buffer, *p;
guint32 raw_line_size, line_size; guint32 raw_line_size;
size = rect_h * rect_w * decoder->bpp / 8; raw_line_size = rect_w * decoder->bytespp;
size = rect_h * raw_line_size;
GST_DEBUG ("Reading %d bytes", size); GST_DEBUG ("Reading %d bytes", size);
buffer = rfb_decoder_read (decoder, size); buffer = rfb_decoder_read (decoder, size);
line_size = decoder->rect_width * decoder->bpp / 8;
raw_line_size = rect_w * decoder->bpp / 8;
frame = frame =
decoder->frame + (((start_y * decoder->rect_width) + decoder->frame + (((start_y * decoder->rect_width) +
start_x) * decoder->bpp / 8); start_x) * decoder->bytespp);
p = buffer; p = buffer;
while (rect_h--) { while (rect_h--) {
memcpy (frame, p, raw_line_size); memcpy (frame, p, raw_line_size);
p += raw_line_size; p += raw_line_size;
frame += line_size; frame += decoder->line_size;
} }
g_free (buffer); g_free (buffer);
@ -668,29 +667,30 @@ rfb_decoder_copyrect_encoding (RfbDecoder * decoder, gint start_x, gint start_y,
gint rect_w, gint rect_h) gint rect_w, gint rect_h)
{ {
guint16 src_x, src_y; guint16 src_x, src_y;
guint32 src_offset; gint line_width, copyrect_width;
guint32 dst_offset;
gint pos_y, max_y, line_width, copyrect_width;
guint8 *buffer; guint8 *buffer;
guint8 *src, *dst;
buffer = rfb_decoder_read (decoder, 4); buffer = rfb_decoder_read (decoder, 4);
max_y = start_y + rect_h;
src_x = RFB_GET_UINT16 (buffer); /* don't forget the offset */
src_y = RFB_GET_UINT16 (buffer + 2); src_x = RFB_GET_UINT16 (buffer) - decoder->offset_x;
src_y = RFB_GET_UINT16 (buffer + 2) - decoder->offset_y;
GST_DEBUG ("Copyrect from %d %d", src_x, src_y); GST_DEBUG ("Copyrect from %d %d", src_x, src_y);
dst_offset = copyrect_width = rect_w * decoder->bytespp;
(((start_y - 1) * decoder->rect_width) + start_x) * decoder->bpp / 8; line_width = decoder->line_size;
src_offset = (((src_y - 1) * decoder->rect_width) + src_x) * decoder->bpp / 8; src =
line_width = decoder->rect_width * decoder->bpp / 8; decoder->prev_frame + ((src_y * decoder->rect_width) +
copyrect_width = rect_w * decoder->bpp / 8; src_x) * decoder->bytespp;
dst =
decoder->frame + ((start_y * decoder->rect_width) +
start_x) * decoder->bytespp;
for (pos_y = start_y; pos_y < max_y; pos_y++) { while (rect_h--) {
dst_offset += line_width; memcpy (dst, src, copyrect_width);
src_offset += line_width; src += line_width;
memcpy (decoder->frame + dst_offset, decoder->prev_frame + src_offset, dst += line_width;
copyrect_width);
} }
g_free (buffer); g_free (buffer);

4
gst/librfb/rfbdecoder.h
View file

@ -69,6 +69,10 @@ struct _RfbDecoder
guint rect_height; guint rect_height;
gint n_rects; gint n_rects;
/* some many used values */
guint bytespp;
guint line_size;
}; };
#if 0 #if 0