diff options
-rw-r--r-- | ChangeLog | 21 | ||||
-rw-r--r-- | configure.ac | 3 | ||||
-rw-r--r-- | ext/Makefile.am | 8 | ||||
-rw-r--r-- | gst/librfb/Makefile.am | 30 | ||||
-rw-r--r-- | gst/librfb/gstrfbsrc.c | 554 | ||||
-rw-r--r-- | gst/librfb/rfb.c | 31 | ||||
-rw-r--r-- | gst/librfb/rfb.h | 10 | ||||
-rw-r--r-- | gst/librfb/rfbbuffer.c | 27 | ||||
-rw-r--r-- | gst/librfb/rfbbuffer.h | 26 | ||||
-rw-r--r-- | gst/librfb/rfbbytestream.c | 122 | ||||
-rw-r--r-- | gst/librfb/rfbbytestream.h | 33 | ||||
-rw-r--r-- | gst/librfb/rfbcontext.h | 41 | ||||
-rw-r--r-- | gst/librfb/rfbdecoder.c | 397 | ||||
-rw-r--r-- | gst/librfb/rfbdecoder.h | 87 | ||||
-rw-r--r-- | gst/librfb/rfbutil.h | 13 |
15 files changed, 1394 insertions, 9 deletions
@@ -1,3 +1,24 @@ +2005-02-11 David Schleef <ds@schleef.org> + + * configure.ac: Pull in librfb from my CVS tree, because it is + too small and annoying to be separate. Move rfbsrc plugin + to gst/. + * ext/Makefile.am: + * ext/librfb/Makefile.am: + * ext/librfb/gstrfbsrc.c: + * gst/librfb/Makefile.am: + * gst/librfb/gstrfbsrc.c: + * gst/librfb/rfb.c: + * gst/librfb/rfb.h: + * gst/librfb/rfbbuffer.c: + * gst/librfb/rfbbuffer.h: + * gst/librfb/rfbbytestream.c: + * gst/librfb/rfbbytestream.h: + * gst/librfb/rfbcontext.h: + * gst/librfb/rfbdecoder.c: + * gst/librfb/rfbdecoder.h: + * gst/librfb/rfbutil.h: + 2005-02-10 Tim-Philipp Müller <tim at centricular dot net> * gst/speed/Makefile.am: diff --git a/configure.ac b/configure.ac index 870d269a..5a7d18f5 100644 --- a/configure.ac +++ b/configure.ac @@ -387,6 +387,7 @@ GST_PLUGINS_ALL="\ interleave \ law \ level \ + librfb \ matroska \ median \ mixmatrix \ @@ -1969,6 +1970,7 @@ gst/goom/Makefile gst/interleave/Makefile gst/law/Makefile gst/level/Makefile +gst/librfb/Makefile gst/matroska/Makefile gst/median/Makefile gst/mixmatrix/Makefile @@ -2074,7 +2076,6 @@ ext/libcaca/Makefile ext/libfame/Makefile ext/libmng/Makefile ext/libpng/Makefile -ext/librfb/Makefile ext/libvisual/Makefile ext/mad/Makefile dnl ext/mas/Makefile diff --git a/ext/Makefile.am b/ext/Makefile.am index 689b339b..19c8c3dc 100644 --- a/ext/Makefile.am +++ b/ext/Makefile.am @@ -220,12 +220,6 @@ else POLYP_DIR= endif -if USE_LIBRFB -LIBRFB_DIR=librfb -else -LIBRFB_DIR= -endif - if USE_LIBVISUAL LIBVISUAL_DIR=libvisual else @@ -439,7 +433,6 @@ SUBDIRS=\ $(LIBFAME_DIR) \ $(LIBMNG_DIR) \ $(LIBPNG_DIR) \ - $(LIBRFB_DIR) \ $(LIBVISUAL_DIR) \ $(MAD_DIR) \ $(MIKMOD_DIR) \ @@ -505,7 +498,6 @@ DIST_SUBDIRS=\ libmng \ libmms \ libpng \ - librfb \ libvisual \ mad \ mikmod \ diff --git a/gst/librfb/Makefile.am b/gst/librfb/Makefile.am new file mode 100644 index 00000000..67505440 --- /dev/null +++ b/gst/librfb/Makefile.am @@ -0,0 +1,30 @@ + +# please keep librfb easily extractable + +noinst_LTLIBRARIES = librfb.la +plugin_LTLIBRARIES = libgstrfbsrc.la + +libgstrfbsrc_la_SOURCES = gstrfbsrc.c +libgstrfbsrc_la_CFLAGS = $(GST_CFLAGS) -I/usr/local/include/librfb-0.1 +libgstrfbsrc_la_LIBADD = librfb.la +libgstrfbsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) + + +noinst_HEADERS = \ + rfb.h \ + rfbdecoder.h \ + rfbbuffer.h \ + rfbbytestream.h + +librfb_la_SOURCES = \ + rfb.h \ + rfbdecoder.c \ + rfbdecoder.h \ + rfbbuffer.c \ + rfbbuffer.h \ + rfbbytestream.c \ + rfbbytestream.h + +librfb_la_CFLAGS = $(RFB_CFLAGS) +librfb_la_LIBADD = $(GLIB_LIBS) + diff --git a/gst/librfb/gstrfbsrc.c b/gst/librfb/gstrfbsrc.c new file mode 100644 index 00000000..99e3144c --- /dev/null +++ b/gst/librfb/gstrfbsrc.c @@ -0,0 +1,554 @@ +/* GStreamer + * Copyright (C) <2004> David A. Schleef <ds@schleef.org> + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gst/video/video.h> + +#include <string.h> +#include <stdlib.h> + +#include <librfb/rfb.h> + + +#define GST_TYPE_RFBSRC \ + (gst_rfbsrc_get_type()) +#define GST_RFBSRC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RFBSRC,GstRfbsrc)) +#define GST_RFBSRC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RFBSRC,GstRfbsrc)) +#define GST_IS_RFBSRC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RFBSRC)) +#define GST_IS_RFBSRC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RFBSRC)) + +typedef struct _GstRfbsrc GstRfbsrc; +typedef struct _GstRfbsrcClass GstRfbsrcClass; + +struct _GstRfbsrc +{ + GstElement element; + + GstPad *srcpad; + + RfbDecoder *decoder; + + char *server; + int port; + + guint8 *frame; + gboolean go; + gboolean inter; + + unsigned int button_mask; + + double framerate; +}; + +struct _GstRfbsrcClass +{ + GstElementClass parent_class; +}; + +GType +gst_rfbsrc_get_type (void) + G_GNUC_CONST; + + + + static GstElementDetails rfbsrc_details = + GST_ELEMENT_DETAILS ("Video test source", + "Source/Video", + "Creates a test video stream", + "David A. Schleef <ds@schleef.org>"); + +/* GstRfbsrc signals and args */ + enum + { + /* FILL ME */ + LAST_SIGNAL + }; + + enum + { + ARG_0, + ARG_SERVER, + ARG_PORT, + /* FILL ME */ + }; + + static void gst_rfbsrc_base_init (gpointer g_class); + static void gst_rfbsrc_class_init (GstRfbsrcClass * klass); + static void gst_rfbsrc_init (GstRfbsrc * rfbsrc); + static GstElementStateReturn gst_rfbsrc_change_state (GstElement * + element); + + static void gst_rfbsrc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); + static void gst_rfbsrc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + + static GstData *gst_rfbsrc_get (GstPad * pad); + + static const GstQueryType *gst_rfbsrc_get_query_types (GstPad * pad); + static gboolean gst_rfbsrc_src_query (GstPad * pad, + GstQueryType type, GstFormat * format, gint64 * value); + static void gst_rfbsrc_paint_rect (RfbDecoder * decoder, int x, int y, + int w, int h, guint8 * data); + static gboolean gst_rfbsrc_handle_src_event (GstPad * pad, + GstEvent * event); + + static GstCaps *gst_rfbsrc_getcaps (GstPad * pad); + static GstPadLinkReturn gst_rfbsrc_link (GstPad * pad, + const GstCaps * caps); + static GstCaps *gst_rfbsrc_fixate (GstPad * pad, const GstCaps * caps); + + static GstElementClass *parent_class = NULL; + + + static GstStaticPadTemplate gst_rfbsrc_src_template = + GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/x-raw-rgb, " + "bpp = (int) 32, " + "depth = (int) 24, " + "endianness = (int) BIG_ENDIAN, " + "red_mask = (int) 0x0000ff00, " + "green_mask = (int) 0x00ff0000, " + "blue_mask = (int) 0xff000000, " + "width = [ 16, 4096 ], " + "height = [ 16, 4096 ], " "framerate = [ 1.0, 60.0] ") + ); + +GType +gst_rfbsrc_get_type (void) +{ + static GType rfbsrc_type = 0; + + if (!rfbsrc_type) { + static const GTypeInfo rfbsrc_info = { + sizeof (GstRfbsrcClass), + gst_rfbsrc_base_init, + NULL, + (GClassInitFunc) gst_rfbsrc_class_init, + NULL, + NULL, + sizeof (GstRfbsrc), + 0, + (GInstanceInitFunc) gst_rfbsrc_init, + }; + + rfbsrc_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRfbsrc", &rfbsrc_info, 0); + } + return rfbsrc_type; +} + +static void +gst_rfbsrc_base_init (gpointer g_class) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details (element_class, &rfbsrc_details); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rfbsrc_src_template)); +} + +static void +gst_rfbsrc_class_init (GstRfbsrcClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + +#if 0 + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, + g_param_spec_int ("width", "width", "Default width", + 1, G_MAXINT, 320, G_PARAM_READWRITE)); +#endif + + parent_class = g_type_class_ref (GST_TYPE_ELEMENT); + + g_object_class_install_property (gobject_class, ARG_SERVER, + g_param_spec_string ("server", "Server", "Server", + "127.0.0.1", G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, ARG_PORT, + g_param_spec_int ("port", "Port", "Port", + 1, 65535, 5900, G_PARAM_READWRITE)); + + gobject_class->set_property = gst_rfbsrc_set_property; + gobject_class->get_property = gst_rfbsrc_get_property; + + gstelement_class->change_state = gst_rfbsrc_change_state; +} + +static GstElementStateReturn +gst_rfbsrc_change_state (GstElement * element) +{ + GstRfbsrc *rfbsrc; + + rfbsrc = GST_RFBSRC (element); + + switch (GST_STATE_TRANSITION (element)) { + case GST_STATE_NULL_TO_READY: + rfbsrc->decoder = rfb_decoder_new (); + rfb_decoder_connect_tcp (rfbsrc->decoder, rfbsrc->server, rfbsrc->port); + rfbsrc->decoder->paint_rect = gst_rfbsrc_paint_rect; + rfbsrc->decoder->decoder_private = rfbsrc; + break; + case GST_STATE_READY_TO_PAUSED: + break; + case GST_STATE_PAUSED_TO_PLAYING: + break; + case GST_STATE_PLAYING_TO_PAUSED: + break; + case GST_STATE_PAUSED_TO_READY: + //rfbsrc->timestamp_offset = 0; + //rfbsrc->n_frames = 0; + break; + case GST_STATE_READY_TO_NULL: + if (rfbsrc->frame) { + g_free (rfbsrc->frame); + rfbsrc->frame = NULL; + } + break; + } + + return parent_class->change_state (element); +} + +static void +gst_rfbsrc_init (GstRfbsrc * rfbsrc) +{ + GST_DEBUG ("gst_rfbsrc_init"); + + rfbsrc->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rfbsrc_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rfbsrc), rfbsrc->srcpad); + gst_pad_set_getcaps_function (rfbsrc->srcpad, gst_rfbsrc_getcaps); + gst_pad_set_link_function (rfbsrc->srcpad, gst_rfbsrc_link); + gst_pad_set_fixate_function (rfbsrc->srcpad, gst_rfbsrc_fixate); + gst_pad_set_get_function (rfbsrc->srcpad, gst_rfbsrc_get); + gst_pad_set_query_function (rfbsrc->srcpad, gst_rfbsrc_src_query); + gst_pad_set_query_type_function (rfbsrc->srcpad, gst_rfbsrc_get_query_types); + gst_pad_set_event_function (rfbsrc->srcpad, gst_rfbsrc_handle_src_event); + + rfbsrc->server = g_strdup ("127.0.0.1"); + rfbsrc->port = 5900; +} + +static GstCaps * +gst_rfbsrc_getcaps (GstPad * pad) +{ + GstRfbsrc *rfbsrc; + GstCaps *caps; + + rfbsrc = GST_RFBSRC (gst_pad_get_parent (pad)); + + caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); + + if (rfbsrc->decoder && rfbsrc->decoder->inited) { + gst_caps_set_simple (caps, + "width", G_TYPE_INT, rfbsrc->decoder->width, + "height", G_TYPE_INT, rfbsrc->decoder->height, NULL); + } + + return caps; +} + +static GstCaps * +gst_rfbsrc_fixate (GstPad * pad, const GstCaps * caps) +{ + GstStructure *structure; + GstCaps *newcaps; + + if (gst_caps_get_size (caps) > 1) + return NULL; + + newcaps = gst_caps_copy (caps); + structure = gst_caps_get_structure (newcaps, 0); + + if (gst_caps_structure_fixate_field_nearest_double (structure, "framerate", + 30.0)) { + return newcaps; + } + + gst_caps_free (newcaps); + return NULL; +} + +static GstPadLinkReturn +gst_rfbsrc_link (GstPad * pad, const GstCaps * caps) +{ + GstRfbsrc *rfbsrc; + GstStructure *structure; + + rfbsrc = GST_RFBSRC (gst_pad_get_parent (pad)); + + structure = gst_caps_get_structure (caps, 0); + + gst_structure_get_double (structure, "framerate", &rfbsrc->framerate); + + return GST_PAD_LINK_OK; +} + +static const GstQueryType * +gst_rfbsrc_get_query_types (GstPad * pad) +{ + static const GstQueryType query_types[] = { + GST_QUERY_POSITION, + 0, + }; + + return query_types; +} + +static gboolean +gst_rfbsrc_src_query (GstPad * pad, + GstQueryType type, GstFormat * format, gint64 * value) +{ + gboolean res = FALSE; + + //GstRfbsrc *rfbsrc = GST_RFBSRC (gst_pad_get_parent (pad)); + + switch (type) { + case GST_QUERY_POSITION: + switch (*format) { + case GST_FORMAT_TIME: + //*value = rfbsrc->n_frames * GST_SECOND / (double) rfbsrc->rate; + res = TRUE; + break; + case GST_FORMAT_DEFAULT: /* frames */ + //*value = rfbsrc->n_frames; + res = TRUE; + break; + default: + break; + } + break; + default: + break; + } + + return res; +} + +static gboolean +gst_rfbsrc_handle_src_event (GstPad * pad, GstEvent * event) +{ + GstRfbsrc *rfbsrc; + double x, y; + int button; + GstStructure *structure; + const char *event_type; + + rfbsrc = GST_RFBSRC (gst_pad_get_parent (pad)); + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_NAVIGATION: + structure = event->event_data.structure.structure; + event_type = gst_structure_get_string (structure, "event"); + gst_structure_get_double (structure, "pointer_x", &x); + gst_structure_get_double (structure, "pointer_y", &y); + button = 0; + + if (strcmp (event_type, "key-press") == 0) { + const char *key = gst_structure_get_string (structure, "key"); + + rfb_decoder_send_key_event (rfbsrc->decoder, key[0], 1); + rfb_decoder_send_key_event (rfbsrc->decoder, key[0], 0); + } else if (strcmp (event_type, "mouse-move") == 0) { + rfb_decoder_send_pointer_event (rfbsrc->decoder, rfbsrc->button_mask, + (int) x, (int) y); + } else if (strcmp (event_type, "mouse-button-release") == 0) { + rfbsrc->button_mask &= ~(1 << button); + rfb_decoder_send_pointer_event (rfbsrc->decoder, rfbsrc->button_mask, + (int) x, (int) y); + } else if (strcmp (event_type, "mouse-button-press") == 0) { + rfbsrc->button_mask |= (1 << button); + rfb_decoder_send_pointer_event (rfbsrc->decoder, rfbsrc->button_mask, + (int) x, (int) y); + } + break; + default: + break; + } + + return TRUE; +} + +static void +gst_rfbsrc_paint_rect (RfbDecoder * decoder, int x, int y, int w, int h, + guint8 * data) +{ + int i, j; + guint8 *frame; + guint8 color; + GstRfbsrc *rfbsrc; + int width; + int offset; + + GST_DEBUG ("painting %d,%d (%dx%d)\n", x, y, w, h); + rfbsrc = GST_RFBSRC (decoder->decoder_private); + + frame = rfbsrc->frame; + width = decoder->width; + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + color = data[j * w + i]; + +#define RGB332_R(x) ((((x)&0x07) * 0x124)>>3) +#define RGB332_G(x) ((((x)&0x38) * 0x124)>>6) +#define RGB332_B(x) ((((x)&0xc0) * 0x149)>>8) + offset = ((j + x) * width + (i + x)) * 4; + frame[offset + 0] = RGB332_B (color); + frame[offset + 1] = RGB332_G (color); + frame[offset + 2] = RGB332_R (color); + frame[offset + 3] = 0; + } + } + + rfbsrc->go = FALSE; +} + +static GstData * +gst_rfbsrc_get (GstPad * pad) +{ + GstRfbsrc *rfbsrc; + gulong newsize; + GstBuffer *buf; + RfbDecoder *decoder; + + GST_DEBUG ("gst_rfbsrc_get"); + + g_return_val_if_fail (pad != NULL, NULL); + g_return_val_if_fail (GST_IS_PAD (pad), NULL); + + rfbsrc = GST_RFBSRC (gst_pad_get_parent (pad)); + decoder = rfbsrc->decoder; + + if (!decoder->inited) { + while (!decoder->inited) { + rfb_decoder_iterate (decoder); + } + + gst_pad_renegotiate (rfbsrc->srcpad); + + if (rfbsrc->frame) + g_free (rfbsrc->frame); + rfbsrc->frame = g_malloc (decoder->width * decoder->height * 4); + + GST_DEBUG ("red_mask = %08x\n", decoder->red_max << decoder->red_shift); + GST_DEBUG ("green_mask = %08x\n", + decoder->green_max << decoder->green_shift); + GST_DEBUG ("blue_mask = %08x\n", decoder->blue_max << decoder->blue_shift); + rfbsrc->inter = FALSE; + } + + rfb_decoder_send_update_request (decoder, rfbsrc->inter, 0, 0, decoder->width, + decoder->height); + //rfbsrc->inter = TRUE; + + rfbsrc->go = TRUE; + while (rfbsrc->go) { + rfb_decoder_iterate (decoder); + GST_DEBUG ("iterate...\n"); + } + + newsize = decoder->width * decoder->height * 4; + g_return_val_if_fail (newsize > 0, NULL); + + GST_DEBUG ("size=%ld %dx%d", newsize, decoder->width, decoder->height); + + buf = gst_buffer_new_and_alloc (newsize); + g_return_val_if_fail (GST_BUFFER_DATA (buf) != NULL, NULL); + + memcpy (GST_BUFFER_DATA (buf), rfbsrc->frame, newsize); + + return GST_DATA (buf); +} + +static void +gst_rfbsrc_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) +{ + GstRfbsrc *src; + + /* it's not null if we got it, but it might not be ours */ + g_return_if_fail (GST_IS_RFBSRC (object)); + src = GST_RFBSRC (object); + + GST_DEBUG ("gst_rfbsrc_set_property"); + switch (prop_id) { + case ARG_SERVER: + src->server = g_strdup (g_value_get_string (value)); + break; + case ARG_PORT: + src->port = g_value_get_int (value); + break; + default: + break; + } +} + +static void +gst_rfbsrc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRfbsrc *src; + + /* it's not null if we got it, but it might not be ours */ + g_return_if_fail (GST_IS_RFBSRC (object)); + src = GST_RFBSRC (object); + + switch (prop_id) { + case ARG_SERVER: + g_value_set_string (value, src->server); + break; + case ARG_PORT: + g_value_set_int (value, src->port); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + + +static gboolean +plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rfbsrc", GST_RANK_NONE, + GST_TYPE_RFBSRC); +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "rfbsrc", + "Connects to a VNC server and decodes RFB stream", + plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN) diff --git a/gst/librfb/rfb.c b/gst/librfb/rfb.c new file mode 100644 index 00000000..ceed1856 --- /dev/null +++ b/gst/librfb/rfb.c @@ -0,0 +1,31 @@ + + +#include <stdio.h> +#include <stdlib.h> + +#include "rfb.h" + + +int +main (int argc, char *argv[]) +{ + RfbDecoder *decoder; + + //int fd = 0; + + decoder = rfb_decoder_new (); + + rfb_decoder_connect_tcp (decoder, "127.0.0.1", 5901); + //rfb_decoder_use_file_descriptor (decoder, fd); + + while (!decoder->inited) + rfb_decoder_iterate (decoder); + + rfb_decoder_send_update_request (decoder, FALSE, 0, 0, 100, 100); + + while (1) { + rfb_decoder_iterate (decoder); + } + + return 0; +} diff --git a/gst/librfb/rfb.h b/gst/librfb/rfb.h new file mode 100644 index 00000000..27543140 --- /dev/null +++ b/gst/librfb/rfb.h @@ -0,0 +1,10 @@ + +#ifndef _RFB_RFB_H_ +#define _RFB_RFB_H_ + +#include <librfb/rfbdecoder.h> +#include <librfb/rfbbytestream.h> +#include <librfb/rfbbuffer.h> + +#endif + diff --git a/gst/librfb/rfbbuffer.c b/gst/librfb/rfbbuffer.c new file mode 100644 index 00000000..e38def36 --- /dev/null +++ b/gst/librfb/rfbbuffer.c @@ -0,0 +1,27 @@ + +#include <rfbbuffer.h> + +RfbBuffer * +rfb_buffer_new (void) +{ + return g_new0 (RfbBuffer, 1); + +} + +RfbBuffer * +rfb_buffer_new_and_alloc (int len) +{ + RfbBuffer *buffer = g_new0 (RfbBuffer, 1); + + buffer->data = g_malloc (len); + buffer->free_data = (void *) g_free; + + return buffer; +} + +void +rfb_buffer_free (RfbBuffer * buffer) +{ + buffer->free_data (buffer->data, buffer->buffer_private); + +} diff --git a/gst/librfb/rfbbuffer.h b/gst/librfb/rfbbuffer.h new file mode 100644 index 00000000..7c4d40b5 --- /dev/null +++ b/gst/librfb/rfbbuffer.h @@ -0,0 +1,26 @@ + +#ifndef _LIBRFB_BUFFER_H_ +#define _LIBRFB_BUFFER_H_ + +#include <glib.h> + +G_BEGIN_DECLS + +typedef struct _RfbBuffer RfbBuffer; + +struct _RfbBuffer +{ + guint8 *data; + int length; + + void (*free_data) (guint8 *data, gpointer priv); + gpointer buffer_private; +}; + +RfbBuffer *rfb_buffer_new (void); +RfbBuffer *rfb_buffer_new_and_alloc (int len); +void rfb_buffer_free (RfbBuffer *buffer); + +G_END_DECLS + +#endif diff --git a/gst/librfb/rfbbytestream.c b/gst/librfb/rfbbytestream.c new file mode 100644 index 00000000..bcdc1b08 --- /dev/null +++ b/gst/librfb/rfbbytestream.c @@ -0,0 +1,122 @@ + +#include <rfbbytestream.h> +#include <string.h> + +RfbBytestream * +rfb_bytestream_new (void) +{ + return g_new0 (RfbBytestream, 1); +} + +int +rfb_bytestream_get (RfbBytestream * bs, int len) +{ + RfbBuffer *buffer; + + buffer = bs->get_buffer (len, bs->user_data); + + if (buffer) { + g_print ("got buffer (%d bytes)\n", buffer->length); + bs->buffer_list = g_list_append (bs->buffer_list, buffer); + + bs->length += buffer->length; + + return len; + } + + return 0; +} + +gboolean +rfb_bytestream_check (RfbBytestream * bs, int len) +{ + while (bs->length < len) { + rfb_bytestream_get (bs, len - bs->length); + } + return TRUE; +} + +static int +rfb_bytestream_copy_nocheck (RfbBytestream * bs, RfbBuffer * buffer, int len) +{ + GList *item; + int offset; + int first_offset; + RfbBuffer *frombuf; + int n; + + offset = 0; + first_offset = bs->offset; + for (item = bs->buffer_list; item; item = g_list_next (item)) { + frombuf = (RfbBuffer *) item->data; + n = MIN (len, frombuf->length - first_offset); + g_print ("copying %d bytes from %p\n", n, frombuf); + memcpy (buffer->data + offset, frombuf->data + first_offset, n); + first_offset = 0; + len -= n; + offset += n; + if (len == 0) + return len; + } + + g_assert_not_reached (); + return 0; +} + +int +rfb_bytestream_read (RfbBytestream * bs, RfbBuffer ** buffer, int len) +{ + RfbBuffer *buf; + + rfb_bytestream_check (bs, len); + + buf = rfb_buffer_new_and_alloc (len); + rfb_bytestream_copy_nocheck (bs, buf, len); + + rfb_bytestream_flush (bs, len); + + *buffer = buf; + return len; +} + +int +rfb_bytestream_peek (RfbBytestream * bs, RfbBuffer ** buffer, int len) +{ + RfbBuffer *buf; + + rfb_bytestream_check (bs, len); + + buf = rfb_buffer_new_and_alloc (len); + rfb_bytestream_copy_nocheck (bs, buf, len); + + *buffer = buf; + return len; +} + +int +rfb_bytestream_flush (RfbBytestream * bs, int len) +{ + GList *item; + RfbBuffer *buf; + int n; + + while ((item = bs->buffer_list)) { + buf = (RfbBuffer *) item->data; + + n = MIN (buf->length - bs->offset, len); + if (n <= len) { + bs->offset = 0; + bs->buffer_list = g_list_delete_link (bs->buffer_list, item); + rfb_buffer_free (buf); + } else { + bs->offset = bs->offset + len; + } + bs->length -= n; + len -= n; + if (len == 0) + return 0; + } + + g_assert_not_reached (); + return 0; +} diff --git a/gst/librfb/rfbbytestream.h b/gst/librfb/rfbbytestream.h new file mode 100644 index 00000000..8304169a --- /dev/null +++ b/gst/librfb/rfbbytestream.h @@ -0,0 +1,33 @@ + +#ifndef _LIBRFB_BYTESTREAM_H_ +#define _LIBRFB_BYTESTREAM_H_ + +#include <glib.h> + +#include <librfb/rfbbuffer.h> + +G_BEGIN_DECLS + +typedef struct _RfbBytestream RfbBytestream; + +struct _RfbBytestream +{ + RfbBuffer * (*get_buffer) (int length, gpointer user_data); + gpointer user_data; + + GList *buffer_list; + int length; + int offset; +}; + + +RfbBytestream * rfb_bytestream_new (void); + +int rfb_bytestream_read (RfbBytestream *bs, RfbBuffer **buffer, int len); +int rfb_bytestream_peek (RfbBytestream *bs, RfbBuffer **buffer, int len); +int rfb_bytestream_flush (RfbBytestream *bs, int len); + + +G_END_DECLS + +#endif diff --git a/gst/librfb/rfbcontext.h b/gst/librfb/rfbcontext.h new file mode 100644 index 00000000..df9ec1df --- /dev/null +++ b/gst/librfb/rfbcontext.h @@ -0,0 +1,41 @@ + +#ifndef _LIBRFB_RFBCONTEXT_H_ +#define _LIBRFB_RFBCONTEXT_H_ + +G_BEGIN_DECLS + +#include <glib.h> + +typedef struct _RfbContext +{ + RfbConnection *connection; + + guint8 *buffer1; + void *buffer1_alloc; + unsigned int buffer1_len; + + guint8 *buffer2; + void *buffer2_alloc; + unsigned int buffer2_len; + + char *name; +} RfbContext; + +typedef struct _RfbRect +{ + RfbContext *context; + + unsigned int x_pos; + unsigned int y_pos; + unsigned int width; + unsigned int height; + unsigned int encoding_type; + + char *data; +} RfbRect; + + + +G_END_DECLS + +#endif diff --git a/gst/librfb/rfbdecoder.c b/gst/librfb/rfbdecoder.c new file mode 100644 index 00000000..e8de9b06 --- /dev/null +++ b/gst/librfb/rfbdecoder.c @@ -0,0 +1,397 @@ + +#include <rfb.h> +#include <unistd.h> +#include <string.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <errno.h> + + +#if 0 +struct _RfbSocketPrivate +{ + int fd; + sockaddr sa; +} +#endif + + +static RfbBuffer * +rfb_socket_get_buffer (int length, gpointer user_data) +{ + RfbBuffer *buffer; + int fd = (int) user_data; + int ret; + + buffer = rfb_buffer_new (); + + buffer->data = g_malloc (length); + buffer->free_data = (void *) g_free; + + g_print ("calling read(%d, %p, %d)\n", fd, buffer->data, length); + ret = read (fd, buffer->data, length); + if (ret <= 0) { + g_critical ("read: %s", strerror (errno)); + rfb_buffer_free (buffer); + return NULL; + } + + buffer->length = ret; + + return buffer; +} + +static int +rfb_socket_send_buffer (guint8 * buffer, int length, gpointer user_data) +{ + int fd = (int) user_data; + int ret; + + g_print ("calling write(%d, %p, %d)\n", fd, buffer, length); + ret = write (fd, buffer, length); + if (ret < 0) { + g_critical ("write: %s", strerror (errno)); + return 0; + } + + g_assert (ret == length); + + return ret; +} + + +RfbDecoder * +rfb_decoder_new (void) +{ + RfbDecoder *decoder = g_new0 (RfbDecoder, 1); + + decoder->bytestream = rfb_bytestream_new (); + + return decoder; +} + +void +rfb_decoder_use_file_descriptor (RfbDecoder * decoder, int fd) +{ + g_return_if_fail (decoder != NULL); + g_return_if_fail (!decoder->inited); + g_return_if_fail (fd >= 0); + + decoder->bytestream->get_buffer = rfb_socket_get_buffer; + decoder->bytestream->user_data = (void *) fd; + + decoder->send_data = rfb_socket_send_buffer; + decoder->buffer_handler_data = (void *) fd; +} + +void +rfb_decoder_connect_tcp (RfbDecoder * decoder, char *addr, unsigned int port) +{ + int fd; + struct sockaddr_in sa; + + fd = socket (PF_INET, SOCK_STREAM, 0); + + sa.sin_family = AF_INET; + sa.sin_port = htons (port); + inet_pton (AF_INET, addr, &sa.sin_addr); + connect (fd, (struct sockaddr *) &sa, sizeof (struct sockaddr)); + + rfb_decoder_use_file_descriptor (decoder, fd); +} + + +static gboolean rfb_decoder_state_wait_for_protocol_version (RfbDecoder * + decoder); +static gboolean rfb_decoder_state_wait_for_security (RfbDecoder * decoder); +static gboolean rfb_decoder_state_send_client_initialisation (RfbDecoder * + decoder); +static gboolean rfb_decoder_state_wait_for_server_initialisation (RfbDecoder * + decoder); +static gboolean rfb_decoder_state_normal (RfbDecoder * decoder); +static gboolean rfb_decoder_state_framebuffer_update (RfbDecoder * decoder); +static gboolean rfb_decoder_state_framebuffer_update_rectangle (RfbDecoder * + decoder); +static gboolean rfb_decoder_state_set_colour_map_entries (RfbDecoder * decoder); +static gboolean rfb_decoder_state_server_cut_text (RfbDecoder * decoder); + +gboolean +rfb_decoder_iterate (RfbDecoder * decoder) +{ + g_return_val_if_fail (decoder != NULL, FALSE); + + if (decoder->state == NULL) { + decoder->state = rfb_decoder_state_wait_for_protocol_version; + } + + g_print ("iterating...\n"); + + return decoder->state (decoder); +} + +#define RFB_GET_UINT32(ptr) GUINT32_FROM_BE (*(guint32 *)(ptr)) +#define RFB_GET_UINT16(ptr) GUINT16_FROM_BE (*(guint16 *)(ptr)) +#define RFB_GET_UINT8(ptr) (*(guint8 *)(ptr)) + +#define RFB_SET_UINT32(ptr, val) (*(guint32 *)(ptr) = GUINT32_TO_BE (val)) +#define RFB_SET_UINT16(ptr, val) (*(guint16 *)(ptr) = GUINT16_TO_BE (val)) +#define RFB_SET_UINT8(ptr, val) (*(guint8 *)(ptr) = val) + +static gboolean +rfb_decoder_state_wait_for_protocol_version (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + guint8 *data; + int ret; + + ret = rfb_bytestream_read (decoder->bytestream, &buffer, 12); + if (ret < 12) + return FALSE; + + data = buffer->data; + + g_assert (memcmp (buffer->data, "RFB 003.00", 10) == 0); + g_print ("\"%.11s\"\n", buffer->data); + rfb_buffer_free (buffer); + + rfb_decoder_send (decoder, "RFB 003.003\n", 12); + + decoder->state = rfb_decoder_state_wait_for_security; + + return TRUE; +} + +static gboolean +rfb_decoder_state_wait_for_security (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + int ret; + + ret = rfb_bytestream_read (decoder->bytestream, &buffer, 4); + if (ret < 4) + return FALSE; + + decoder->security_type = RFB_GET_UINT32 (buffer->data); + g_print ("security = %d\n", decoder->security_type); + + rfb_buffer_free (buffer); + + decoder->state = rfb_decoder_state_send_client_initialisation; + return TRUE; +} + +static gboolean +rfb_decoder_state_send_client_initialisation (RfbDecoder * decoder) +{ + guint8 shared_flag; + + shared_flag = decoder->shared_flag; + rfb_decoder_send (decoder, &shared_flag, 1); + + decoder->state = rfb_decoder_state_wait_for_server_initialisation; + return TRUE; +} + +static gboolean +rfb_decoder_state_wait_for_server_initialisation (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + guint8 *data; + int ret; + guint32 name_length; + + ret = rfb_bytestream_peek (decoder->bytestream, &buffer, 24); + if (ret < 24) + return FALSE; + + data = buffer->data; + + decoder->width = RFB_GET_UINT16 (data + 0); + decoder->height = RFB_GET_UINT16 (data + 2); + decoder->bpp = RFB_GET_UINT8 (data + 4); + decoder->depth = RFB_GET_UINT8 (data + 5); + decoder->big_endian = RFB_GET_UINT8 (data + 6); + decoder->true_colour = RFB_GET_UINT8 (data + 7); + decoder->red_max = RFB_GET_UINT16 (data + 8); + decoder->green_max = RFB_GET_UINT16 (data + 10); + decoder->blue_max = RFB_GET_UINT16 (data + 12); + decoder->red_shift = RFB_GET_UINT8 (data + 14); + decoder->green_shift = RFB_GET_UINT8 (data + 15); + decoder->blue_shift = RFB_GET_UINT8 (data + 16); + + g_print ("width: %d\n", decoder->width); + g_print ("height: %d\n", decoder->height); + + name_length = RFB_GET_UINT32 (data + 20); + rfb_buffer_free (buffer); + + ret = rfb_bytestream_read (decoder->bytestream, &buffer, 24 + name_length); + if (ret < 24 + name_length) + return FALSE; + + decoder->name = g_strndup ((char *) (buffer->data) + 24, name_length); + g_print ("name: %s\n", decoder->name); + rfb_buffer_free (buffer); + + decoder->state = rfb_decoder_state_normal; + decoder->inited = TRUE; + + return TRUE; +} + +static gboolean +rfb_decoder_state_normal (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + int ret; + int message_type; + + ret = rfb_bytestream_read (decoder->bytestream, &buffer, 1); + message_type = RFB_GET_UINT8 (buffer->data); + + switch (message_type) { + case 0: + decoder->state = rfb_decoder_state_framebuffer_update; + break; + case 1: + decoder->state = rfb_decoder_state_set_colour_map_entries; + break; + case 2: + /* bell, ignored */ + decoder->state = rfb_decoder_state_normal; + break; + case 3: + decoder->state = rfb_decoder_state_server_cut_text; + break; + default: + g_critical ("unknown message type %d", message_type); + } + + rfb_buffer_free (buffer); + + return TRUE; +} + +static gboolean +rfb_decoder_state_framebuffer_update (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + int ret; + + ret = rfb_bytestream_read (decoder->bytestream, &buffer, 3); + + decoder->n_rects = RFB_GET_UINT16 (buffer->data + 1); + decoder->state = rfb_decoder_state_framebuffer_update_rectangle; + + return TRUE; +} + +static gboolean +rfb_decoder_state_framebuffer_update_rectangle (RfbDecoder * decoder) +{ + RfbBuffer *buffer; + int ret; + int x, y, w, h; + int encoding; + int size; + + ret = rfb_bytestream_peek (decoder->bytestream, &buffer, 12); + if (ret < 12) + return FALSE; + + x = RFB_GET_UINT16 (buffer->data + 0); + y = RFB_GET_UINT16 (buffer->data + 2); + w = RFB_GET_UINT16 (buffer->data + 4); + h = RFB_GET_UINT16 (buffer->data + 6); + encoding = RFB_GET_UINT32 (buffer->data + 8); + + if (encoding != 0) + g_critical ("unimplemented encoding\n"); + + rfb_buffer_free (buffer); + + size = w * h; + ret = rfb_bytestream_read (decoder->bytestream, &buffer, size + 12); + if (ret < size) + return FALSE; + + if (decoder->paint_rect) { + decoder->paint_rect (decoder, x, y, w, h, buffer->data + 12); + } + + rfb_buffer_free (buffer); + + decoder->n_rects--; + if (decoder->n_rects == 0) { + decoder->state = rfb_decoder_state_normal; + } + return TRUE; +} + +static gboolean +rfb_decoder_state_set_colour_map_entries (RfbDecoder * decoder) +{ + g_critical ("not implemented"); + + return FALSE; +} + +static gboolean +rfb_decoder_state_server_cut_text (RfbDecoder * decoder) +{ + g_critical ("not implemented"); + + return FALSE; +} + + +void +rfb_decoder_send_update_request (RfbDecoder * decoder, + gboolean incremental, int x, int y, int width, int height) +{ + guint8 data[10]; + + data[0] = 3; + data[1] = incremental; + RFB_SET_UINT16 (data + 2, x); + RFB_SET_UINT16 (data + 4, y); + RFB_SET_UINT16 (data + 6, width); + RFB_SET_UINT16 (data + 8, height); + + rfb_decoder_send (decoder, data, 10); +} + +void +rfb_decoder_send_key_event (RfbDecoder * decoder, unsigned int key, + gboolean down_flag) +{ + guint8 data[8]; + + data[0] = 4; + data[1] = down_flag; + RFB_SET_UINT16 (data + 2, 0); + RFB_SET_UINT32 (data + 4, key); + + rfb_decoder_send (decoder, data, 8); +} + +void +rfb_decoder_send_pointer_event (RfbDecoder * decoder, + int button_mask, int x, int y) +{ + guint8 data[6]; + + data[0] = 5; + data[1] = button_mask; + RFB_SET_UINT16 (data + 2, x); + RFB_SET_UINT16 (data + 4, y); + + rfb_decoder_send (decoder, data, 6); +} + +int +rfb_decoder_send (RfbDecoder * decoder, guint8 * buffer, int len) +{ + return decoder->send_data (buffer, len, decoder->buffer_handler_data); +} diff --git a/gst/librfb/rfbdecoder.h b/gst/librfb/rfbdecoder.h new file mode 100644 index 00000000..db16cb2c --- /dev/null +++ b/gst/librfb/rfbdecoder.h @@ -0,0 +1,87 @@ + +#ifndef _LIBRFB_DECODER_H_ +#define _LIBRFB_DECODER_H_ + +#include <glib.h> +#include <librfb/rfbbytestream.h> + +G_BEGIN_DECLS + +typedef struct _RfbDecoder RfbDecoder; + +struct _RfbDecoder +{ + int (*send_data) (guint8 *buffer, int length, gpointer user_data); + gpointer buffer_handler_data; + + RfbBytestream *bytestream; + + gpointer decoder_private; + + void (*paint_rect) (RfbDecoder *decoder, int x, int y, int w, int h, + guint8 *data); + void (*copy_rect) (RfbDecoder *decoder, int x, int y, int w, int h, + int src_x, int src_y); + + /* settable properties */ + gboolean shared_flag; + + /* readable properties */ + gboolean inited; + + int protocol_major; + int protocol_minor; + unsigned int security_type; + + unsigned int width; + unsigned int height; + unsigned int bpp; + unsigned int depth; + gboolean big_endian; + gboolean true_colour; + unsigned int red_max; + unsigned int green_max; + unsigned int blue_max; + unsigned int red_shift; + unsigned int green_shift; + unsigned int blue_shift; + + char *name; + + /* state information */ + gboolean (*state) (RfbDecoder *decoder); + int n_rects; +}; + +#if 0 +typedef struct _RfbRect +{ + RfbConnection *connection; + + unsigned int x_pos; + unsigned int y_pos; + unsigned int width; + unsigned int height; + unsigned int encoding_type; + + char *data; +} RfbRect; +#endif + + +RfbDecoder *rfb_decoder_new (void); +void rfb_decoder_use_file_descriptor (RfbDecoder * decoder, int fd); +void rfb_decoder_connect_tcp (RfbDecoder *decoder, char * addr, unsigned int port); +void rfb_decoder_set_peer (RfbDecoder * decoder); +gboolean rfb_decoder_iterate (RfbDecoder * decoder); +int rfb_decoder_send (RfbDecoder * decoder, guint8 *data, int len); +void rfb_decoder_send_update_request (RfbDecoder * decoder, + gboolean incremental, int x, int y, int width, int height); +void rfb_decoder_send_key_event (RfbDecoder * decoder, unsigned int key, + gboolean down_flag); +void rfb_decoder_send_pointer_event (RfbDecoder * decoder, + int button_mask, int x, int y); + +G_END_DECLS + +#endif diff --git a/gst/librfb/rfbutil.h b/gst/librfb/rfbutil.h new file mode 100644 index 00000000..2b9b95d5 --- /dev/null +++ b/gst/librfb/rfbutil.h @@ -0,0 +1,13 @@ + +#ifndef _LIBRFB_UTIL_H_ +#define _LIBRFB_UTIL_H_ + +#include <glib.h> + +G_BEGIN_DECLS + + + +G_END_DECLS + +#endif |