From ca4cca4da1c60d89f38b50f16f47bb2e6dd1d52d Mon Sep 17 00:00:00 2001 From: aliguori Date: Mon, 15 Sep 2008 16:05:16 +0000 Subject: [PATCH] WMVi extension support (Stefano Stabellini) Signed-off-by: Stefano Stabellini git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5230 c046a42c-6fe2-441c-8c8c-71466251a162 --- vnc.c | 155 ++++++++++++++++++++++++++++++++++++++--------------------------- 1 file changed, 91 insertions(+), 64 deletions(-) diff --git a/vnc.c b/vnc.c index ff44ed3..45dc268 100644 --- a/vnc.c +++ b/vnc.c @@ -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); -- 1.7.9.5