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

cacasink: port to 0.11

Browse source
This commit is contained in:
Wim Taymans 2011-07-06 17:40:20 +02:00
parent f70da0a542
commit 1a0a6f54bb
3 changed files with 119 additions and 122 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
ext/libcaca/Makefile.am
View file

@ -7,6 +7,7 @@ libgstcacasink_la_CFLAGS = \
$(GST_CFLAGS) \
$(LIBCACA_CFLAGS)
libgstcacasink_la_LIBADD = \
-lgstvideo-$(GST_MAJORMINOR) \
$(GST_BASE_LIBS) \
$(GST_LIBS) \
$(LIBCACA_LIBS)

235
ext/libcaca/gstcacasink.c
View file

@ -43,12 +43,6 @@
#include "gstcacasink.h"
#define GST_CACA_DEFAULT_SCREEN_WIDTH 80
#define GST_CACA_DEFAULT_SCREEN_HEIGHT 25
#define GST_CACA_DEFAULT_BPP 24
#define GST_CACA_DEFAULT_RED_MASK GST_VIDEO_BYTE1_MASK_32_INT
#define GST_CACA_DEFAULT_GREEN_MASK GST_VIDEO_BYTE2_MASK_32_INT
#define GST_CACA_DEFAULT_BLUE_MASK GST_VIDEO_BYTE3_MASK_32_INT
//#define GST_CACA_DEFAULT_RED_MASK R_MASK_32_REVERSE_INT
//#define GST_CACA_DEFAULT_GREEN_MASK G_MASK_32_REVERSE_INT
@ -60,27 +54,26 @@ enum
LAST_SIGNAL
};
#define GST_CACA_DEFAULT_SCREEN_WIDTH 80
#define GST_CACA_DEFAULT_SCREEN_HEIGHT 25
#define GST_CACA_DEFAULT_DITHER CACA_DITHERING_NONE
#define GST_CACA_DEFAULT_ANTIALIASING TRUE
enum
{
ARG_0,
ARG_SCREEN_WIDTH,
ARG_SCREEN_HEIGHT,
ARG_DITHER,
ARG_ANTIALIASING
PROP_0,
PROP_SCREEN_WIDTH,
PROP_SCREEN_HEIGHT,
PROP_DITHER,
PROP_ANTIALIASING
};
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGB_16 ";" GST_VIDEO_CAPS_RGB_15)
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGB, RGBx, RGB16, RGB15 }"))
);
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 gboolean gst_cacasink_setcaps (GstBaseSink * pad, GstCaps * caps);
static void gst_cacasink_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end);
@ -95,32 +88,8 @@ static void gst_cacasink_get_property (GObject * object, guint prop_id,
static GstStateChangeReturn gst_cacasink_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
GType
gst_cacasink_get_type (void)
{
static GType cacasink_type = 0;
if (!cacasink_type) {
static const GTypeInfo cacasink_info = {
sizeof (GstCACASinkClass),
gst_cacasink_base_init,
NULL,
(GClassInitFunc) gst_cacasink_class_init,
NULL,
NULL,
sizeof (GstCACASink),
0,
(GInstanceInitFunc) gst_cacasink_init,
};
cacasink_type =
g_type_register_static (GST_TYPE_BASE_SINK, "GstCACASink",
&cacasink_info, 0);
}
return cacasink_type;
}
#define gst_cacasink_parent_class parent_class
G_DEFINE_TYPE (GstCACASink, gst_cacasink, GST_TYPE_BASE_SINK);
#define GST_TYPE_CACADITHER (gst_cacasink_dither_get_type())
static GType
@ -143,18 +112,6 @@ gst_cacasink_dither_get_type (void)
return dither_type;
}
static void
gst_cacasink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class,
"A colored ASCII art video sink", "Sink/Video",
"A colored ASCII art videosink", "Zeeshan Ali <zak147@yahoo.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
}
static void
gst_cacasink_class_init (GstCACASinkClass * klass)
{
@ -170,26 +127,33 @@ gst_cacasink_class_init (GstCACASinkClass * klass)
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_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SCREEN_WIDTH,
g_param_spec_int ("screen-width", "Screen Width",
"The width of the screen", 0, G_MAXINT, GST_CACA_DEFAULT_SCREEN_WIDTH,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCREEN_HEIGHT,
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SCREEN_HEIGHT,
g_param_spec_int ("screen-height", "Screen Height",
"The height of the screen", 0, G_MAXINT,
GST_CACA_DEFAULT_SCREEN_HEIGHT,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DITHER,
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DITHER,
g_param_spec_enum ("dither", "Dither Type", "Set type of Dither",
GST_TYPE_CACADITHER, CACA_DITHERING_NONE,
GST_TYPE_CACADITHER, GST_CACA_DEFAULT_DITHER,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ANTIALIASING,
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ANTIALIASING,
g_param_spec_boolean ("anti-aliasing", "Anti Aliasing",
"Enables Anti-Aliasing", TRUE,
"Enables Anti-Aliasing", GST_CACA_DEFAULT_ANTIALIASING,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_cacasink_change_state;
gst_element_class_set_details_simple (gstelement_class,
"A colored ASCII art video sink", "Sink/Video",
"A colored ASCII art videosink", "Zeeshan Ali <zak147@yahoo.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
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);
@ -208,60 +172,75 @@ static gboolean
gst_cacasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
{
GstCACASink *cacasink;
GstStructure *structure;
gint endianness;
GstVideoInfo info;
guint bpp, red_mask, green_mask, blue_mask;
cacasink = GST_CACASINK (basesink);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &(cacasink->width));
gst_structure_get_int (structure, "height", &(cacasink->height));
gst_structure_get_int (structure, "endianness", &endianness);
gst_structure_get_int (structure, "bpp", (int *) &cacasink->bpp);
gst_structure_get_int (structure, "red_mask", (int *) &cacasink->red_mask);
gst_structure_get_int (structure, "green_mask",
(int *) &cacasink->green_mask);
gst_structure_get_int (structure, "blue_mask", (int *) &cacasink->blue_mask);
if (!gst_video_info_from_caps (&info, caps))
goto caps_error;
if (cacasink->bpp == 24) {
cacasink->red_mask = GUINT32_FROM_BE (cacasink->red_mask) >> 8;
cacasink->green_mask = GUINT32_FROM_BE (cacasink->green_mask) >> 8;
cacasink->blue_mask = GUINT32_FROM_BE (cacasink->blue_mask) >> 8;
}
else if (cacasink->bpp == 32) {
cacasink->red_mask = GUINT32_FROM_BE (cacasink->red_mask);
cacasink->green_mask = GUINT32_FROM_BE (cacasink->green_mask);
cacasink->blue_mask = GUINT32_FROM_BE (cacasink->blue_mask);
}
else if (cacasink->bpp == 16) {
if (endianness == G_BIG_ENDIAN) {
cacasink->red_mask = GUINT16_FROM_BE (cacasink->red_mask);
cacasink->green_mask = GUINT16_FROM_BE (cacasink->green_mask);
cacasink->blue_mask = GUINT16_FROM_BE (cacasink->blue_mask);
} else {
cacasink->red_mask = GUINT16_FROM_LE (cacasink->red_mask);
cacasink->green_mask = GUINT16_FROM_LE (cacasink->green_mask);
cacasink->blue_mask = GUINT16_FROM_LE (cacasink->blue_mask);
}
switch (GST_VIDEO_INFO_FORMAT (&info)) {
case GST_VIDEO_FORMAT_RGB:
bpp = 24;
red_mask = 0xff0000;
green_mask = 0x00ff00;
blue_mask = 0x0000ff;
break;
case GST_VIDEO_FORMAT_RGBx:
bpp = 32;
red_mask = 0xff000000;
green_mask = 0x00ff0000;
blue_mask = 0x0000ff00;
break;
case GST_VIDEO_FORMAT_RGB16:
bpp = 16;
red_mask = 0xf800;
green_mask = 0x07e0;
blue_mask = 0x001f;
break;
case GST_VIDEO_FORMAT_RGB15:
bpp = 16;
red_mask = 0x7c00;
green_mask = 0x03e0;
blue_mask = 0x001f;
break;
default:
goto invalid_format;
}
if (cacasink->bitmap) {
caca_free_bitmap (cacasink->bitmap);
}
cacasink->bitmap = caca_create_bitmap (bpp,
GST_VIDEO_INFO_WIDTH (&info),
GST_VIDEO_INFO_HEIGHT (&info),
GST_ROUND_UP_4 (GST_VIDEO_INFO_WIDTH (&info) * bpp / 8),
red_mask, green_mask, blue_mask, 0);
if (!cacasink->bitmap)
goto no_bitmap;
cacasink->bitmap = caca_create_bitmap (cacasink->bpp,
cacasink->width,
cacasink->height,
GST_ROUND_UP_4 (cacasink->width * cacasink->bpp / 8),
cacasink->red_mask, cacasink->green_mask, cacasink->blue_mask, 0);
if (!cacasink->bitmap) {
return FALSE;
}
cacasink->info = info;
return TRUE;
/* ERROS */
caps_error:
{
GST_ERROR_OBJECT (cacasink, "error parsing caps");
return FALSE;
}
invalid_format:
{
GST_ERROR_OBJECT (cacasink, "invalid format");
return FALSE;
}
no_bitmap:
{
GST_ERROR_OBJECT (cacasink, "could not create bitmap");
return FALSE;
}
}
static void
@ -269,25 +248,38 @@ gst_cacasink_init (GstCACASink * cacasink)
{
cacasink->screen_width = GST_CACA_DEFAULT_SCREEN_WIDTH;
cacasink->screen_height = GST_CACA_DEFAULT_SCREEN_HEIGHT;
cacasink->bpp = GST_CACA_DEFAULT_BPP;
cacasink->red_mask = GST_CACA_DEFAULT_RED_MASK;
cacasink->green_mask = GST_CACA_DEFAULT_GREEN_MASK;
cacasink->blue_mask = GST_CACA_DEFAULT_BLUE_MASK;
cacasink->dither = GST_CACA_DEFAULT_DITHER;
cacasink->antialiasing = GST_CACA_DEFAULT_ANTIALIASING;
}
static GstFlowReturn
gst_cacasink_render (GstBaseSink * basesink, GstBuffer * buffer)
{
GstCACASink *cacasink = GST_CACASINK (basesink);
GstVideoFrame frame;
GST_DEBUG ("render");
if (!gst_video_frame_map (&frame, &cacasink->info, buffer, GST_MAP_READ))
goto invalid_frame;
caca_clear ();
caca_draw_bitmap (0, 0, cacasink->screen_width - 1,
cacasink->screen_height - 1, cacasink->bitmap, GST_BUFFER_DATA (buffer));
cacasink->screen_height - 1, cacasink->bitmap,
GST_VIDEO_FRAME_PLANE_DATA (&frame, 0));
caca_refresh ();
gst_video_frame_unmap (&frame);
return GST_FLOW_OK;
/* ERRORS */
invalid_frame:
{
GST_ERROR_OBJECT (cacasink, "invalid frame received");
return GST_FLOW_ERROR;
}
}
static void
@ -301,12 +293,12 @@ gst_cacasink_set_property (GObject * object, guint prop_id,
cacasink = GST_CACASINK (object);
switch (prop_id) {
case ARG_DITHER:{
case PROP_DITHER:{
cacasink->dither = g_value_get_enum (value);
caca_set_dithering (cacasink->dither + CACA_DITHERING_NONE);
break;
}
case ARG_ANTIALIASING:{
case PROP_ANTIALIASING:{
cacasink->antialiasing = g_value_get_boolean (value);
if (cacasink->antialiasing) {
caca_set_feature (CACA_ANTIALIASING_MAX);
@ -329,19 +321,19 @@ gst_cacasink_get_property (GObject * object, guint prop_id, GValue * value,
cacasink = GST_CACASINK (object);
switch (prop_id) {
case ARG_SCREEN_WIDTH:{
case PROP_SCREEN_WIDTH:{
g_value_set_int (value, cacasink->screen_width);
break;
}
case ARG_SCREEN_HEIGHT:{
case PROP_SCREEN_HEIGHT:{
g_value_set_int (value, cacasink->screen_height);
break;
}
case ARG_DITHER:{
case PROP_DITHER:{
g_value_set_enum (value, cacasink->dither);
break;
}
case ARG_ANTIALIASING:{
case PROP_ANTIALIASING:{
g_value_set_boolean (value, cacasink->antialiasing);
break;
}
@ -357,11 +349,8 @@ gst_cacasink_open (GstCACASink * cacasink)
{
cacasink->bitmap = NULL;
if (caca_init () < 0) {
GST_ELEMENT_ERROR (cacasink, RESOURCE, OPEN_WRITE, (NULL),
("caca_init() failed"));
return FALSE;
}
if (caca_init () < 0)
goto init_failed;
cacasink->screen_width = caca_get_width ();
cacasink->screen_height = caca_get_height ();
@ -371,6 +360,14 @@ gst_cacasink_open (GstCACASink * cacasink)
caca_set_dithering (CACA_DITHERING_NONE);
return TRUE;
/* ERRORS */
init_failed:
{
GST_ELEMENT_ERROR (cacasink, RESOURCE, OPEN_WRITE, (NULL),
("caca_init() failed"));
return FALSE;
}
}
static void

5
ext/libcaca/gstcacasink.h
View file

@ -49,12 +49,11 @@ typedef struct _GstCACASinkClass GstCACASinkClass;
struct _GstCACASink {
GstBaseSink parent;
gint width, height;
GstVideoInfo info;
gint screen_width, screen_height;
guint bpp;
guint dither;
gboolean antialiasing;
guint red_mask, green_mask, blue_mask;
struct caca_bitmap *bitmap;
};