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WMVi extension support (Stefano Stabellini) 

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5230 c046a42c-6fe2-441c-8c8c-71466251a162
stable-0.10
aliguori 18 years ago
parent
7eac3a87f1
commit
ca4cca4da1
1 changed files with 91 additions and 64 deletions
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  1. 155
      vnc.c

155
vnc.c
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@ -131,6 +131,7 @@ struct VncState
int has_resize;
int has_hextile;
int has_pointer_type_change;
int has_WMVi;
int absolute;
int last_x;
int last_y;
@ -1144,6 +1145,7 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
vs->has_hextile = 0;
vs->has_resize = 0;
vs->has_pointer_type_change = 0;
vs->has_WMVi = 0;
vs->absolute = -1;
vs->ds->dpy_copy = NULL;
@ -1167,6 +1169,9 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
case -258:
send_ext_key_event_ack(vs);
break;
case 0x574D5669:
vs->has_WMVi = 1;
break;
default:
break;
}
@ -1249,6 +1254,57 @@ static void set_pixel_format(VncState *vs,
vga_hw_update();
}
static void pixel_format_message (VncState *vs) {
char pad[3] = { 0, 0, 0 };
vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */
if (vs->depth == 4) vnc_write_u8(vs, 24); /* depth */
else vnc_write_u8(vs, vs->depth * 8); /* depth */
#ifdef WORDS_BIGENDIAN
vnc_write_u8(vs, 1); /* big-endian-flag */
#else
vnc_write_u8(vs, 0); /* big-endian-flag */
#endif
vnc_write_u8(vs, 1); /* true-color-flag */
if (vs->depth == 4) {
vnc_write_u16(vs, 0xFF); /* red-max */
vnc_write_u16(vs, 0xFF); /* green-max */
vnc_write_u16(vs, 0xFF); /* blue-max */
vnc_write_u8(vs, 16); /* red-shift */
vnc_write_u8(vs, 8); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_32;
} else if (vs->depth == 2) {
vnc_write_u16(vs, 31); /* red-max */
vnc_write_u16(vs, 63); /* green-max */
vnc_write_u16(vs, 31); /* blue-max */
vnc_write_u8(vs, 11); /* red-shift */
vnc_write_u8(vs, 5); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_16;
} else if (vs->depth == 1) {
/* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
vnc_write_u16(vs, 7); /* red-max */
vnc_write_u16(vs, 7); /* green-max */
vnc_write_u16(vs, 3); /* blue-max */
vnc_write_u8(vs, 5); /* red-shift */
vnc_write_u8(vs, 2); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_8;
}
vs->client_red_max = vs->server_red_max;
vs->client_green_max = vs->server_green_max;
vs->client_blue_max = vs->server_blue_max;
vs->client_red_shift = vs->server_red_shift;
vs->client_green_shift = vs->server_green_shift;
vs->client_blue_shift = vs->server_blue_shift;
vs->pix_bpp = vs->depth * 8;
vs->write_pixels = vnc_write_pixels_copy;
vnc_write(vs, pad, 3); /* padding */
}
static void vnc_colordepth(DisplayState *ds, int depth)
{
int host_big_endian_flag;
@ -1305,33 +1361,43 @@ static void vnc_colordepth(DisplayState *ds, int depth)
return;
}
if (vs->pix_bpp == 4 && vs->depth == 4 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 0xff && vs->client_green_max == 0xff && vs->client_blue_max == 0xff &&
vs->client_red_shift == 16 && vs->client_green_shift == 8 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_32;
} else if (vs->pix_bpp == 2 && vs->depth == 2 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 31 && vs->client_green_max == 63 && vs->client_blue_max == 31 &&
vs->client_red_shift == 11 && vs->client_green_shift == 5 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_16;
} else if (vs->pix_bpp == 1 && vs->depth == 1 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 7 && vs->client_green_max == 7 && vs->client_blue_max == 3 &&
vs->client_red_shift == 5 && vs->client_green_shift == 2 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_8;
if (vs->csock != -1 && vs->has_WMVi) {
/* Sending a WMVi message to notify the client*/
vnc_write_u8(vs, 0); /* msg id */
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0, ds->width, ds->height, 0x574D5669);
pixel_format_message(vs);
vnc_flush(vs);
} else {
if (vs->depth == 4) {
vs->send_hextile_tile = send_hextile_tile_generic_32;
} else if (vs->depth == 2) {
vs->send_hextile_tile = send_hextile_tile_generic_16;
if (vs->pix_bpp == 4 && vs->depth == 4 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 0xff && vs->client_green_max == 0xff && vs->client_blue_max == 0xff &&
vs->client_red_shift == 16 && vs->client_green_shift == 8 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_32;
} else if (vs->pix_bpp == 2 && vs->depth == 2 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 31 && vs->client_green_max == 63 && vs->client_blue_max == 31 &&
vs->client_red_shift == 11 && vs->client_green_shift == 5 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_16;
} else if (vs->pix_bpp == 1 && vs->depth == 1 &&
host_big_endian_flag == vs->pix_big_endian &&
vs->client_red_max == 7 && vs->client_green_max == 7 && vs->client_blue_max == 3 &&
vs->client_red_shift == 5 && vs->client_green_shift == 2 && vs->client_blue_shift == 0) {
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_8;
} else {
vs->send_hextile_tile = send_hextile_tile_generic_8;
if (vs->depth == 4) {
vs->send_hextile_tile = send_hextile_tile_generic_32;
} else if (vs->depth == 2) {
vs->send_hextile_tile = send_hextile_tile_generic_16;
} else {
vs->send_hextile_tile = send_hextile_tile_generic_8;
}
vs->write_pixels = vnc_write_pixels_generic;
}
vs->write_pixels = vnc_write_pixels_generic;
}
}
@ -1428,7 +1494,6 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
{
char pad[3] = { 0, 0, 0 };
char buf[1024];
int size;
@ -1437,45 +1502,7 @@ static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
vnc_write_u16(vs, vs->ds->width);
vnc_write_u16(vs, vs->ds->height);
vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */
if (vs->depth == 4) vnc_write_u8(vs, 24); /* depth */
else vnc_write_u8(vs, vs->depth * 8); /* depth */
#ifdef WORDS_BIGENDIAN
vnc_write_u8(vs, 1); /* big-endian-flag */
#else
vnc_write_u8(vs, 0); /* big-endian-flag */
#endif
vnc_write_u8(vs, 1); /* true-color-flag */
if (vs->depth == 4) {
vnc_write_u16(vs, 0xFF); /* red-max */
vnc_write_u16(vs, 0xFF); /* green-max */
vnc_write_u16(vs, 0xFF); /* blue-max */
vnc_write_u8(vs, 16); /* red-shift */
vnc_write_u8(vs, 8); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_32;
} else if (vs->depth == 2) {
vnc_write_u16(vs, 31); /* red-max */
vnc_write_u16(vs, 63); /* green-max */
vnc_write_u16(vs, 31); /* blue-max */
vnc_write_u8(vs, 11); /* red-shift */
vnc_write_u8(vs, 5); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_16;
} else if (vs->depth == 1) {
/* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
vnc_write_u16(vs, 7); /* red-max */
vnc_write_u16(vs, 7); /* green-max */
vnc_write_u16(vs, 3); /* blue-max */
vnc_write_u8(vs, 5); /* red-shift */
vnc_write_u8(vs, 2); /* green-shift */
vnc_write_u8(vs, 0); /* blue-shift */
vs->send_hextile_tile = send_hextile_tile_8;
}
vs->write_pixels = vnc_write_pixels_copy;
vnc_write(vs, pad, 3); /* padding */
pixel_format_message(vs);
if (qemu_name)
size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);

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