mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-03 15:06:34 +00:00
Code Issues 1 Projects Releases Wiki Activity

gaudieffects: port chromium to 0.11

Browse source
This commit is contained in:
Luis de Bethencourt 2012-05-08 16:39:02 +01:00
parent c123ac0735
commit 3db482093d
2 changed files with 44 additions and 41 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

82
gst/gaudieffects/gstchromium.c
View file

@ -1,7 +1,7 @@
/*
* GStreamer
* Copyright (C) 2010 Luis de Bethencourt <luis@debethencourt.com>
*
* Copyright (C) <2010-2012> Luis de Bethencourt <luis@debethencourt.com>
*
* Chromium - burning chrome video effect.
* Based on Pete Warden's FreeFrame plugin with the same name.
*
@ -67,17 +67,17 @@
#include "gstplugin.h"
#include "gstchromium.h"
#include <gst/video/video.h>
GST_DEBUG_CATEGORY_STATIC (gst_chromium_debug);
#define GST_CAT_DEFAULT gst_chromium_debug
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define CAPS_STR GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGBx
#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }")
#else
#define CAPS_STR GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR
#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }")
#endif
G_DEFINE_TYPE (GstChromium, gst_chromium, GST_TYPE_VIDEO_FILTER);
/* Filter signals and args. */
enum
{
@ -127,9 +127,6 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS (CAPS_STR)
);
GST_BOILERPLATE (GstChromium, gst_chromium, GstVideoFilter,
GST_TYPE_VIDEO_FILTER);
static void gst_chromium_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_chromium_get_property (GObject * object, guint prop_id,
@ -142,30 +139,24 @@ static GstFlowReturn gst_chromium_transform (GstBaseTransform * btrans,
/* GObject vmethod implementations */
static void
gst_chromium_base_init (gpointer gclass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
gst_element_class_set_details_simple (element_class,
"Chromium",
"Filter/Effect/Video",
"Chromium breaks the colors of the video signal.",
"Luis de Bethencourt <luis@debethencourt.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
}
/* Initialize the chromium's class. */
static void
gst_chromium_class_init (GstChromiumClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gst_element_class_set_details_simple (gstelement_class, "Chromium",
"Filter/Effect/Video",
"Chromium breaks the colors of the video signal.",
"Luis de Bethencourt <luis@debethencourt.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
gobject_class->set_property = gst_chromium_set_property;
gobject_class->get_property = gst_chromium_get_property;
@ -193,7 +184,7 @@ gst_chromium_class_init (GstChromiumClass * klass)
* initialize instance structure.
*/
static void
gst_chromium_init (GstChromium * filter, GstChromiumClass * gclass)
gst_chromium_init (GstChromium * filter)
{
filter->edge_a = DEFAULT_EDGE_A;
filter->edge_b = DEFAULT_EDGE_B;
@ -256,20 +247,25 @@ static gboolean
gst_chromium_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstChromium *filter = GST_CHROMIUM (btrans);
GstStructure *structure;
gboolean ret = FALSE;
GstChromium *chromium = GST_CHROMIUM (btrans);
GstVideoInfo info;
structure = gst_caps_get_structure (incaps, 0);
if (!gst_video_info_from_caps (&info, incaps))
goto invalid_caps;
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
chromium->info = info;
chromium->width = GST_VIDEO_INFO_WIDTH (&info);
chromium->height = GST_VIDEO_INFO_HEIGHT (&info);
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_DEBUG_OBJECT (btrans, "could not parse caps");
return FALSE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
/* Actual processing. */
@ -279,10 +275,16 @@ gst_chromium_transform (GstBaseTransform * btrans,
{
GstChromium *filter = GST_CHROMIUM (btrans);
gint video_size, edge_a, edge_b;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
guint32 *src, *dest;
GstClockTime timestamp;
gint64 stream_time;
GstVideoFrame in_frame, out_frame;
gst_video_frame_map (&in_frame, &filter->info, in_buf, GST_MAP_READ);
gst_video_frame_map (&out_frame, &filter->info, out_buf, GST_MAP_WRITE);
src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);

3
gst/gaudieffects/gstchromium.h
View file

@ -1,7 +1,7 @@
/*
* GStreamer
* Copyright (C) 2010 Luis de Bethencourt <luis@debethencourt.com>>
*
*
* Chromium - burning chrome video effect.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@ -71,6 +71,7 @@ struct GstChromium
gint width, height;
/* < private > */
GstVideoInfo info;
gint edge_a, edge_b;
gboolean silent;
};