mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-26 19:51:11 +00:00
Code Issues 1 Projects Releases Wiki Activity

Ported the libcaca plugin.

Browse source 
Original commit message from CVS:
Ported the libcaca plugin.
This commit is contained in:
Zeeshan Ali 2005-05-08 12:22:04 +00:00
parent c6892a450f
commit 5db0509196
6 changed files with 77 additions and 122 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
ChangeLog
View file

@ -1,3 +1,15 @@
2005-05-08 Zeeshan Ali <zeenix@gmail.com>
* configure.ac:
* ext/Makefile.am:
* ext/libcaca/Makefile.am:
* ext/libcaca/gstcacasink.c: (gst_cacasink_get_type),
(gst_cacasink_class_init), (gst_cacasink_get_times),
(gst_cacasink_setcaps), (gst_cacasink_init), (gst_cacasink_render),
(plugin_init):
* ext/libcaca/gstcacasink.h:
Ported the libcaca plugin.
2005-05-08 Zeeshan Ali <zeenix@gmail.com>
* configure.ac:

9
configure.ac
View file

@ -372,6 +372,14 @@ GST_CHECK_FEATURE(AALIB, [aasink plug-in], aasink, [
AS_SCRUB_INCLUDE(AALIB_CFLAGS)
])
dnl *** libcaca ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LIBCACA, true)
GST_CHECK_FEATURE(LIBCACA, [libcaca], libcaca, [
GST_CHECK_CONFIGPROG(LIBCACA, caca-config)
AC_SUBST(LIBCACA_CFLAGS)
AC_SUBST(LIBCACA_LIBS)
])
dnl *** sidplay : works with libsidplay 1.36.x (not 2.x.x) ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SIDPLAY, true)
GST_CHECK_FEATURE(SIDPLAY, [sidplay plug-in], sidplay, [
@ -458,6 +466,7 @@ gst/videofilter/Makefile
sys/Makefile
ext/Makefile
ext/aalib/Makefile
ext/libcaca/Makefile
ext/mad/Makefile
ext/sidplay/Makefile
common/Makefile

10
ext/Makefile.am
View file

@ -178,11 +178,11 @@ endif
# LCS_DIR=
# endif
# if USE_LIBCACA
# LIBCACA_DIR=libcaca
# else
# LIBCACA_DIR=
# endif
if USE_LIBCACA
LIBCACA_DIR=libcaca
else
LIBCACA_DIR=
endif
# if USE_LIBDV
# LIBDV_DIR=dv

8
ext/libcaca/Makefile.am
View file

@ -2,9 +2,9 @@
plugin_LTLIBRARIES = libgstcacasink.la
libgstcacasink_la_SOURCES = gstcacasink.c
libgstcacasink_la_CFLAGS = $(GST_CFLAGS) $(LIBCACA_CFLAGS)
libgstcacasink_la_LIBADD = $(LIBCACA_LIBS) \
$(top_builddir)/gst-libs/gst/libgstinterfaces-$(GST_MAJORMINOR).la
libgstcacasink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstcacasink_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_LIBS_CFLAGS) $(LIBCACA_CFLAGS)
libgstcacasink_la_LIBADD = $(LIBCACA_LIBS) #\
#$(top_builddir)/gst-libs/gst/libgstinterfaces-$(GST_MAJORMINOR).la
libgstcacasink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS) $(GST_PLUGINS_LIBS_LIBS)
noinst_HEADERS = gstcacasink.h

153
ext/libcaca/gstcacasink.c
View file

@ -23,7 +23,6 @@
#include <string.h>
#include <sys/time.h>
#include <gst/navigation/navigation.h>
#include "gstcacasink.h"
@ -61,14 +60,12 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
static void gst_cacasink_base_init (gpointer g_class);
static void gst_cacasink_class_init (GstCACASinkClass * klass);
static void gst_cacasink_init (GstCACASink * cacasink);
static void gst_cacasink_interface_init (GstImplementsInterfaceClass * klass);
static gboolean gst_cacasink_interface_supported (GstImplementsInterface *
iface, GType type);
static void gst_cacasink_navigation_init (GstNavigationInterface * iface);
static void gst_cacasink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure);
static void gst_cacasink_chain (GstPad * pad, GstData * _data);
static gboolean gst_cacasink_setcaps (GstBaseSink * pad, GstCaps * caps);
static void gst_cacasink_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end);
static GstFlowReturn gst_cacasink_render (GstBaseSink * basesink,
GstBuffer * buffer);
static void gst_cacasink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -97,26 +94,9 @@ gst_cacasink_get_type (void)
(GInstanceInitFunc) gst_cacasink_init,
};
static const GInterfaceInfo iface_info = {
(GInterfaceInitFunc) gst_cacasink_interface_init,
NULL,
NULL,
};
static const GInterfaceInfo navigation_info = {
(GInterfaceInitFunc) gst_cacasink_navigation_init,
NULL,
NULL,
};
cacasink_type =
g_type_register_static (GST_TYPE_VIDEOSINK, "GstCACASink",
g_type_register_static (GST_TYPE_BASESINK, "GstCACASink",
&cacasink_info, 0);
g_type_add_interface_static (cacasink_type, GST_TYPE_IMPLEMENTS_INTERFACE,
&iface_info);
g_type_add_interface_static (cacasink_type, GST_TYPE_NAVIGATION,
&navigation_info);
}
return cacasink_type;
}
@ -168,13 +148,17 @@ gst_cacasink_class_init (GstCACASinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideoSinkClass *gstvs_class;
GstBaseSinkClass *gstbasesink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstvs_class = (GstVideoSinkClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
parent_class = g_type_class_ref (GST_TYPE_BASESINK);
gobject_class->set_property = gst_cacasink_set_property;
gobject_class->get_property = gst_cacasink_get_property;
gstelement_class->change_state = gst_cacasink_change_state;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCREEN_WIDTH, g_param_spec_int ("screen_width", "screen_width", "screen_width", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); /* CHECKME */
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCREEN_HEIGHT, g_param_spec_int ("screen_height", "screen_height", "screen_height", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); /* CHECKME */
@ -185,68 +169,37 @@ gst_cacasink_class_init (GstCACASinkClass * klass)
g_param_spec_boolean ("anti_aliasing", "Anti-Aliasing",
"Enables Anti-Aliasing", TRUE, G_PARAM_READWRITE));
gobject_class->set_property = gst_cacasink_set_property;
gobject_class->get_property = gst_cacasink_get_property;
gstelement_class->change_state = gst_cacasink_change_state;
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_cacasink_setcaps);
gstbasesink_class->get_times = GST_DEBUG_FUNCPTR (gst_cacasink_get_times);
gstbasesink_class->preroll = GST_DEBUG_FUNCPTR (gst_cacasink_render);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_cacasink_render);
}
static void
gst_cacasink_interface_init (GstImplementsInterfaceClass * klass)
gst_cacasink_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
klass->supported = gst_cacasink_interface_supported;
*start = GST_BUFFER_TIMESTAMP (buffer);
*end = *start + GST_BUFFER_DURATION (buffer);
}
static gboolean
gst_cacasink_interface_supported (GstImplementsInterface * iface, GType type)
{
g_assert (type == GST_TYPE_NAVIGATION);
return (GST_STATE (iface) != GST_STATE_NULL);
}
static void
gst_cacasink_navigation_init (GstNavigationInterface * iface)
{
iface->send_event = gst_cacasink_navigation_send_event;
}
static void
gst_cacasink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure)
{
GstCACASink *cacasink = GST_CACASINK (navigation);
GstEvent *event;
event = gst_event_new (GST_EVENT_NAVIGATION);
/*GST_EVENT_TIMESTAMP (event) = 0; */
event->event_data.structure.structure = structure;
/* FIXME
* Obviously, the pointer x,y coordinates need to be adjusted by the
* window size and relation to the bounding window. */
gst_pad_send_event (gst_pad_get_peer (GST_VIDEOSINK_PAD (cacasink)), event);
}
static GstPadLinkReturn
gst_cacasink_sinkconnect (GstPad * pad, const GstCaps * caps)
gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
{
GstCACASink *cacasink;
GstStructure *structure;
cacasink = GST_CACASINK (gst_pad_get_parent (pad));
cacasink = GST_CACASINK (basesink);
/* We cannot use library functions if the sink is not open */
if (!GST_FLAG_IS_SET (GST_ELEMENT (cacasink), GST_CACASINK_OPEN))
return GST_PAD_LINK_DELAYED;
return FALSE;
/*if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_LINK_DELAYED; */
return FALSE; */
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &(GST_VIDEOSINK_WIDTH (cacasink)));
gst_structure_get_int (structure, "height",
&(GST_VIDEOSINK_HEIGHT (cacasink)));
gst_structure_get_int (structure, "width", &(cacasink->width));
gst_structure_get_int (structure, "height", &(cacasink->height));
gst_structure_get_int (structure, "bpp", &cacasink->bpp);
gst_structure_get_int (structure, "red_mask", &cacasink->red_mask);
gst_structure_get_int (structure, "green_mask", &cacasink->green_mask);
@ -275,28 +228,25 @@ gst_cacasink_sinkconnect (GstPad * pad, const GstCaps * caps)
}
cacasink->bitmap = caca_create_bitmap (cacasink->bpp,
GST_VIDEOSINK_WIDTH (cacasink),
GST_VIDEOSINK_HEIGHT (cacasink),
GST_VIDEOSINK_WIDTH (cacasink) * cacasink->bpp / 8,
cacasink->width,
cacasink->height,
cacasink->width * cacasink->bpp / 8,
cacasink->red_mask, cacasink->green_mask, cacasink->blue_mask, 0);
if (!cacasink->bitmap) {
return GST_PAD_LINK_DELAYED;
return FALSE;
}
return GST_PAD_LINK_OK;
return TRUE;
}
static void
gst_cacasink_init (GstCACASink * cacasink)
{
GST_VIDEOSINK_PAD (cacasink) =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
"sink");
gst_element_add_pad (GST_ELEMENT (cacasink), GST_VIDEOSINK_PAD (cacasink));
gst_pad_set_chain_function (GST_VIDEOSINK_PAD (cacasink), gst_cacasink_chain);
gst_pad_set_link_function (GST_VIDEOSINK_PAD (cacasink),
gst_cacasink_sinkconnect);
GstPad *pad;
pad = GST_BASESINK_PAD (cacasink);
/* gst_pad_set_fixatecaps_function (pad, gst_cacasink_fixate); */
cacasink->screen_width = GST_CACA_DEFAULT_SCREEN_WIDTH;
cacasink->screen_height = GST_CACA_DEFAULT_SCREEN_HEIGHT;
@ -304,38 +254,25 @@ gst_cacasink_init (GstCACASink * cacasink)
cacasink->red_mask = GST_CACA_DEFAULT_RED_MASK;
cacasink->green_mask = GST_CACA_DEFAULT_GREEN_MASK;
cacasink->blue_mask = GST_CACA_DEFAULT_BLUE_MASK;
GST_FLAG_SET (cacasink, GST_ELEMENT_THREAD_SUGGESTED);
}
static void
gst_cacasink_chain (GstPad * pad, GstData * _data)
static GstFlowReturn
gst_cacasink_render (GstBaseSink * basesink, GstBuffer * buffer)
{
GstBuffer *buf = GST_BUFFER (_data);
GstCACASink *cacasink;
GstCACASink *cacasink = GST_CACASINK (basesink);
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
cacasink = GST_CACASINK (gst_pad_get_parent (pad));
/* We cannot use library functions if the sink is not open */
if (!GST_FLAG_IS_SET (GST_ELEMENT (cacasink), GST_CACASINK_OPEN))
return;
return GST_FLOW_WRONG_STATE;
GST_DEBUG ("videosink: clock wait: %" G_GUINT64_FORMAT,
GST_BUFFER_TIMESTAMP (buf));
if (GST_VIDEOSINK_CLOCK (cacasink) && GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
gst_element_wait (GST_ELEMENT (cacasink), GST_BUFFER_TIMESTAMP (buf));
}
GST_DEBUG ("render");
caca_clear ();
caca_draw_bitmap (0, 0, cacasink->screen_width - 1,
cacasink->screen_height - 1, cacasink->bitmap, GST_BUFFER_DATA (buf));
cacasink->screen_height - 1, cacasink->bitmap, GST_BUFFER_DATA (buffer));
caca_refresh ();
gst_buffer_unref (buf);
return GST_FLOW_OK;
}
static void
@ -463,10 +400,6 @@ gst_cacasink_change_state (GstElement * element)
static gboolean
plugin_init (GstPlugin * plugin)
{
/* Loading the library containing GstVideoSink, our parent object */
if (!gst_library_load ("gstvideo"))
return FALSE;
if (!gst_element_register (plugin, "cacasink", GST_RANK_NONE,
GST_TYPE_CACASINK))
return FALSE;

7
ext/libcaca/gstcacasink.h
View file

@ -22,7 +22,7 @@
#define __GST_CACASINK_H__
#include <gst/gst.h>
#include <gst/video/videosink.h>
#include <gst/base/gstbasesink.h>
#include <gst/video/video.h>
#include <caca.h>
@ -63,11 +63,12 @@ typedef struct _GstCACASink GstCACASink;
typedef struct _GstCACASinkClass GstCACASinkClass;
struct _GstCACASink {
GstVideoSink videosink;
GstBaseSink parent;
GstPad *sinkpad;
gulong format;
gint width, height;
gint screen_width, screen_height;
guint bpp;
guint dither;
@ -78,7 +79,7 @@ struct _GstCACASink {
};
struct _GstCACASinkClass {
GstVideoSinkClass parent_class;
GstBaseSinkClass parent_class;
/* signals */
};