mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 13:48:55 +00:00
664 lines
19 KiB
C
664 lines
19 KiB
C
/* GStreamer
|
|
* 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 <Hermes/Hermes.h>
|
|
|
|
|
|
#define GST_TYPE_COLORSPACE \
|
|
(gst_hermes_colorspace_get_type())
|
|
#define GST_HERMES_COLORSPACE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLORSPACE,GstHermesColorspace))
|
|
#define GST_HERMES_COLORSPACE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstHermesColorspace))
|
|
#define GST_IS_COLORSPACE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLORSPACE))
|
|
#define GST_IS_COLORSPACE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLORSPACE))
|
|
|
|
typedef struct _GstHermesColorspace GstHermesColorspace;
|
|
typedef struct _GstHermesColorspaceClass GstHermesColorspaceClass;
|
|
|
|
typedef enum
|
|
{
|
|
GST_HERMES_COLORSPACE_NONE,
|
|
GST_HERMES_COLORSPACE_HERMES,
|
|
GST_HERMES_COLORSPACE_YUV_RGB,
|
|
GST_HERMES_COLORSPACE_YUY2_I420,
|
|
GST_HERMES_COLORSPACE_RGB32_I420,
|
|
GST_HERMES_COLORSPACE_RGB32_YV12,
|
|
GST_HERMES_COLORSPACE_420_SWAP
|
|
}
|
|
GstColorSpaceConverterType;
|
|
|
|
struct _GstHermesColorspace
|
|
{
|
|
GstElement element;
|
|
|
|
GstPad *sinkpad, *srcpad;
|
|
|
|
HermesHandle h_handle;
|
|
HermesFormat sink_format;
|
|
HermesFormat src_format;
|
|
|
|
int src_format_index;
|
|
int sink_format_index;
|
|
|
|
int src_size;
|
|
int sink_size;
|
|
|
|
int src_stride;
|
|
int sink_stride;
|
|
|
|
gint width, height;
|
|
gdouble fps;
|
|
gboolean passthru;
|
|
};
|
|
|
|
struct _GstHermesColorspaceClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_hermes_colorspace_get_type (void);
|
|
|
|
typedef struct _GstHermesColorspaceFormat
|
|
{
|
|
GstStaticCaps caps;
|
|
|
|
}
|
|
GstHermesColorspaceFormat;
|
|
|
|
static GstHermesColorspaceFormat gst_hermes_colorspace_formats[] = {
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_xBGR)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_BGR)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB_15)},
|
|
{GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB_16)},
|
|
};
|
|
|
|
/* Stereo signals and args */
|
|
enum
|
|
{
|
|
/* FILL ME */
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
enum
|
|
{
|
|
ARG_0,
|
|
ARG_SOURCE,
|
|
ARG_DEST
|
|
};
|
|
|
|
static void gst_hermes_colorspace_base_init (gpointer g_class);
|
|
static void gst_hermes_colorspace_class_init (GstHermesColorspaceClass * klass);
|
|
static void gst_hermes_colorspace_init (GstHermesColorspace * space);
|
|
|
|
static void gst_hermes_colorspace_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec);
|
|
static void gst_hermes_colorspace_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec);
|
|
|
|
static GstPadLinkReturn
|
|
gst_hermes_colorspace_link (GstPad * pad, const GstCaps * caps);
|
|
static void gst_hermes_colorspace_chain (GstPad * pad, GstData * _data);
|
|
static GstStateChangeReturn
|
|
gst_hermes_colorspace_change_state (GstElement * element,
|
|
GstStateChange transition);
|
|
|
|
|
|
static GstElementClass *parent_class = NULL;
|
|
|
|
/*static guint gst_hermes_colorspace_signals[LAST_SIGNAL] = { 0 }; */
|
|
|
|
#if 0
|
|
static gboolean
|
|
colorspace_setup_converter (GstHermesColorspace * space, GstCaps * from_caps,
|
|
GstCaps * to_caps)
|
|
{
|
|
guint32 from_space, to_space;
|
|
GstStructure *from_struct;
|
|
GstStructure *to_struct;
|
|
|
|
g_return_val_if_fail (to_caps != NULL, FALSE);
|
|
g_return_val_if_fail (from_caps != NULL, FALSE);
|
|
|
|
from_struct = gst_caps_get_structure (from_caps, 0);
|
|
to_struct = gst_caps_get_structure (to_caps, 0);
|
|
|
|
from_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
|
|
gst_structure_get_fourcc (from_struct, "format", &from_space);
|
|
|
|
to_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
|
|
gst_structure_get_fourcc (to_struct, "format", &to_space);
|
|
|
|
GST_INFO ("set up converter for " GST_FOURCC_FORMAT
|
|
" (%08x) to " GST_FOURCC_FORMAT " (%08x)",
|
|
GST_FOURCC_ARGS (from_space), from_space,
|
|
GST_FOURCC_ARGS (to_space), to_space);
|
|
|
|
switch (from_space) {
|
|
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
|
|
{
|
|
gint from_bpp;
|
|
|
|
gst_structure_get_int (from_struct, "bpp", &from_bpp);
|
|
|
|
switch (to_space) {
|
|
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
|
|
#ifdef HAVE_HERMES
|
|
{
|
|
gint to_bpp;
|
|
|
|
gst_structure_get_int (to_struct, "bpp", &to_bpp);
|
|
|
|
gst_structure_get_int (from_struct, "red_mask", &space->source.r);
|
|
gst_structure_get_int (from_struct, "green_mask", &space->source.g);
|
|
gst_structure_get_int (from_struct, "blue_mask", &space->source.b);
|
|
space->source.a = 0;
|
|
space->srcbpp = space->source.bits = from_bpp;
|
|
space->source.indexed = 0;
|
|
space->source.has_colorkey = 0;
|
|
|
|
GST_INFO ("source red mask %08x", space->source.r);
|
|
GST_INFO ("source green mask %08x", space->source.g);
|
|
GST_INFO ("source blue mask %08x", space->source.b);
|
|
GST_INFO ("source bpp %08x", space->srcbpp);
|
|
|
|
gst_structure_get_int (to_struct, "red_mask", &space->dest.r);
|
|
gst_structure_get_int (to_struct, "green_mask", &space->dest.g);
|
|
gst_structure_get_int (to_struct, "blue_mask", &space->dest.b);
|
|
space->dest.a = 0;
|
|
space->destbpp = space->dest.bits = to_bpp;
|
|
space->dest.indexed = 0;
|
|
space->dest.has_colorkey = 0;
|
|
|
|
GST_INFO ("dest red mask %08x", space->dest.r);
|
|
GST_INFO ("dest green mask %08x", space->dest.g);
|
|
GST_INFO ("dest blue mask %08x", space->dest.b);
|
|
GST_INFO ("dest bpp %08x", space->destbpp);
|
|
|
|
if (!Hermes_ConverterRequest (space->h_handle, &space->source,
|
|
&space->dest)) {
|
|
g_warning ("Hermes: could not get converter\n");
|
|
return FALSE;
|
|
}
|
|
GST_INFO ("converter set up");
|
|
space->type = GST_HERMES_COLORSPACE_HERMES;
|
|
return TRUE;
|
|
}
|
|
#else
|
|
g_warning ("colorspace: compiled without hermes!");
|
|
return FALSE;
|
|
#endif
|
|
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
|
|
if (from_bpp == 32) {
|
|
space->type = GST_HERMES_COLORSPACE_RGB32_YV12;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
}
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
if (from_bpp == 32) {
|
|
space->type = GST_HERMES_COLORSPACE_RGB32_I420;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
}
|
|
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
|
|
GST_INFO ("colorspace: RGB to YUV with bpp %d not implemented!!",
|
|
from_bpp);
|
|
return FALSE;
|
|
}
|
|
break;
|
|
}
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
switch (to_space) {
|
|
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
|
|
GST_INFO ("colorspace: YUV to RGB");
|
|
|
|
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
|
|
space->converter =
|
|
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
|
|
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
space->type = GST_HERMES_COLORSPACE_NONE;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
|
|
space->type = GST_HERMES_COLORSPACE_420_SWAP;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
|
|
}
|
|
break;
|
|
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
|
|
switch (to_space) {
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
space->type = GST_HERMES_COLORSPACE_YUY2_I420;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
|
|
space->type = GST_HERMES_COLORSPACE_NONE;
|
|
space->destbpp = 16;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
|
|
GST_INFO ("colorspace: YUY2 to RGB not implemented!!");
|
|
return FALSE;
|
|
}
|
|
break;
|
|
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
|
|
switch (to_space) {
|
|
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
|
|
GST_INFO ("colorspace: YV12 to RGB");
|
|
|
|
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
|
|
space->converter =
|
|
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
|
|
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
|
|
space->type = GST_HERMES_COLORSPACE_420_SWAP;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
|
|
space->type = GST_HERMES_COLORSPACE_NONE;
|
|
space->destbpp = 12;
|
|
return TRUE;
|
|
}
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
static GstCaps *
|
|
gst_hermes_colorspace_caps_remove_format_info (GstCaps * caps)
|
|
{
|
|
int i;
|
|
GstStructure *structure;
|
|
|
|
for (i = 0; i < gst_caps_get_size (caps); i++) {
|
|
structure = gst_caps_get_structure (caps, i);
|
|
|
|
gst_structure_remove_field (structure, "format");
|
|
gst_structure_remove_field (structure, "endianness");
|
|
gst_structure_remove_field (structure, "depth");
|
|
gst_structure_remove_field (structure, "bpp");
|
|
gst_structure_remove_field (structure, "red_mask");
|
|
gst_structure_remove_field (structure, "green_mask");
|
|
gst_structure_remove_field (structure, "blue_mask");
|
|
}
|
|
|
|
gst_caps_do_simplify (caps);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_structure_to_hermes_format (HermesFormat * format,
|
|
GstStructure * structure)
|
|
{
|
|
gst_structure_get_int (structure, "red_mask", &format->r);
|
|
gst_structure_get_int (structure, "green_mask", &format->g);
|
|
gst_structure_get_int (structure, "blue_mask", &format->b);
|
|
format->a = 0;
|
|
gst_structure_get_int (structure, "bpp", &format->bits);
|
|
format->indexed = 0;
|
|
format->has_colorkey = 0;
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_hermes_colorspace_getcaps (GstPad * pad)
|
|
{
|
|
GstHermesColorspace *space;
|
|
GstPad *otherpad;
|
|
GstCaps *othercaps;
|
|
GstCaps *caps;
|
|
|
|
space = GST_HERMES_COLORSPACE (gst_pad_get_parent (pad));
|
|
|
|
otherpad = (pad == space->srcpad) ? space->sinkpad : space->srcpad;
|
|
|
|
othercaps = gst_pad_get_allowed_caps (otherpad);
|
|
|
|
othercaps = gst_hermes_colorspace_caps_remove_format_info (othercaps);
|
|
|
|
caps = gst_caps_intersect (othercaps, gst_pad_get_pad_template_caps (pad));
|
|
gst_caps_free (othercaps);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static GstPadLinkReturn
|
|
gst_hermes_colorspace_link (GstPad * pad, const GstCaps * caps)
|
|
{
|
|
GstHermesColorspace *space;
|
|
GstPad *otherpad;
|
|
GstStructure *structure;
|
|
GstPadLinkReturn link_ret;
|
|
int width, height;
|
|
double fps;
|
|
int i;
|
|
|
|
space = GST_HERMES_COLORSPACE (gst_pad_get_parent (pad));
|
|
otherpad = (pad == space->sinkpad) ? space->srcpad : space->sinkpad;
|
|
|
|
link_ret = gst_pad_try_set_caps (otherpad, caps);
|
|
if (link_ret == GST_PAD_LINK_OK) {
|
|
space->passthru = TRUE;
|
|
return link_ret;
|
|
}
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (gst_hermes_colorspace_formats); i++) {
|
|
GstCaps *icaps;
|
|
GstCaps *fcaps;
|
|
|
|
fcaps =
|
|
gst_caps_copy (gst_static_caps_get (&gst_hermes_colorspace_formats
|
|
[i].caps));
|
|
|
|
icaps = gst_caps_intersect (caps, fcaps);
|
|
if (!gst_caps_is_empty (icaps)) {
|
|
break;
|
|
}
|
|
gst_caps_free (icaps);
|
|
}
|
|
if (i == G_N_ELEMENTS (gst_hermes_colorspace_formats)) {
|
|
g_assert_not_reached ();
|
|
return GST_PAD_LINK_REFUSED;
|
|
}
|
|
|
|
gst_structure_get_int (structure, "width", &width);
|
|
gst_structure_get_int (structure, "height", &height);
|
|
gst_structure_get_double (structure, "framerate", &fps);
|
|
|
|
GST_INFO ("size: %dx%d", space->width, space->height);
|
|
|
|
if (gst_pad_is_negotiated (otherpad)) {
|
|
GstCaps *othercaps;
|
|
|
|
othercaps = gst_caps_copy (gst_pad_get_negotiated_caps (otherpad));
|
|
|
|
gst_caps_set_simple (othercaps,
|
|
"width", G_TYPE_INT, width,
|
|
"height", G_TYPE_INT, height, "framerate", G_TYPE_DOUBLE, fps, NULL);
|
|
|
|
link_ret = gst_pad_try_set_caps (otherpad, othercaps);
|
|
if (link_ret != GST_PAD_LINK_OK) {
|
|
return link_ret;
|
|
}
|
|
}
|
|
|
|
if (pad == space->srcpad) {
|
|
space->src_format_index = i;
|
|
gst_hermes_colorspace_structure_to_hermes_format (&space->src_format,
|
|
structure);
|
|
} else {
|
|
space->sink_format_index = i;
|
|
gst_hermes_colorspace_structure_to_hermes_format (&space->sink_format,
|
|
structure);
|
|
}
|
|
|
|
space->sink_stride = width * (space->sink_format.bits / 8);
|
|
space->src_stride = width * (space->src_format.bits / 8);
|
|
space->sink_size = space->sink_stride * height;
|
|
space->src_size = space->src_stride * height;
|
|
space->width = width;
|
|
space->height = height;
|
|
space->fps = fps;
|
|
|
|
if (gst_pad_is_negotiated (otherpad)) {
|
|
if (!Hermes_ConverterRequest (space->h_handle, &space->sink_format,
|
|
&space->src_format)) {
|
|
g_warning ("Hermes: could not get converter\n");
|
|
return GST_PAD_LINK_REFUSED;
|
|
}
|
|
g_print ("inited\n");
|
|
}
|
|
|
|
return GST_PAD_LINK_OK;
|
|
}
|
|
|
|
GType
|
|
gst_hermes_colorspace_get_type (void)
|
|
{
|
|
static GType colorspace_type = 0;
|
|
|
|
if (!colorspace_type) {
|
|
static const GTypeInfo colorspace_info = {
|
|
sizeof (GstHermesColorspaceClass),
|
|
gst_hermes_colorspace_base_init,
|
|
NULL,
|
|
(GClassInitFunc) gst_hermes_colorspace_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstHermesColorspace),
|
|
0,
|
|
(GInstanceInitFunc) gst_hermes_colorspace_init,
|
|
};
|
|
|
|
colorspace_type =
|
|
g_type_register_static (GST_TYPE_ELEMENT, "GstHermesColorspace",
|
|
&colorspace_info, 0);
|
|
}
|
|
return colorspace_type;
|
|
}
|
|
|
|
static GstStaticPadTemplate gst_hermes_colorspace_src_pad_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB "; "
|
|
GST_VIDEO_CAPS_RGBx "; "
|
|
GST_VIDEO_CAPS_BGRx "; "
|
|
GST_VIDEO_CAPS_xBGR "; "
|
|
GST_VIDEO_CAPS_BGR "; "
|
|
GST_VIDEO_CAPS_RGB "; "
|
|
GST_VIDEO_CAPS_RGB_16 "; " GST_VIDEO_CAPS_RGB_15)
|
|
);
|
|
|
|
static GstStaticPadTemplate gst_hermes_colorspace_sink_pad_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB "; "
|
|
GST_VIDEO_CAPS_RGBx "; "
|
|
GST_VIDEO_CAPS_BGRx "; "
|
|
GST_VIDEO_CAPS_xBGR "; "
|
|
GST_VIDEO_CAPS_BGR "; "
|
|
GST_VIDEO_CAPS_RGB "; "
|
|
GST_VIDEO_CAPS_RGB_16 "; " GST_VIDEO_CAPS_RGB_15)
|
|
);
|
|
|
|
static void
|
|
gst_hermes_colorspace_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_hermes_colorspace_src_pad_template));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_hermes_colorspace_sink_pad_template));
|
|
|
|
gst_element_class_set_details_simple (element_class, "Colorspace converter",
|
|
"Filter/Converter/Video",
|
|
"Converts video from one colorspace to another using libhermes",
|
|
"Wim Taymans <wim.taymans@chello.be>");
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_class_init (GstHermesColorspaceClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *gstelement_class;
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
gstelement_class = (GstElementClass *) klass;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
gobject_class->set_property = gst_hermes_colorspace_set_property;
|
|
gobject_class->get_property = gst_hermes_colorspace_get_property;
|
|
|
|
gstelement_class->change_state = gst_hermes_colorspace_change_state;
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_init (GstHermesColorspace * space)
|
|
{
|
|
space->sinkpad =
|
|
gst_pad_new_from_static_template
|
|
(&gst_hermes_colorspace_sink_pad_template, "sink");
|
|
gst_pad_set_link_function (space->sinkpad, gst_hermes_colorspace_link);
|
|
gst_pad_set_getcaps_function (space->sinkpad, gst_hermes_colorspace_getcaps);
|
|
gst_pad_set_chain_function (space->sinkpad, gst_hermes_colorspace_chain);
|
|
gst_element_add_pad (GST_ELEMENT (space), space->sinkpad);
|
|
|
|
space->srcpad =
|
|
gst_pad_new_from_static_template (&gst_hermes_colorspace_src_pad_template,
|
|
"src");
|
|
gst_element_add_pad (GST_ELEMENT (space), space->srcpad);
|
|
gst_pad_set_link_function (space->srcpad, gst_hermes_colorspace_link);
|
|
|
|
space->h_handle = Hermes_ConverterInstance (0);
|
|
space->passthru = FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_chain (GstPad * pad, GstData * _data)
|
|
{
|
|
GstBuffer *buf = GST_BUFFER (_data);
|
|
GstHermesColorspace *space;
|
|
GstBuffer *outbuf = NULL;
|
|
|
|
g_return_if_fail (pad != NULL);
|
|
g_return_if_fail (GST_IS_PAD (pad));
|
|
g_return_if_fail (buf != NULL);
|
|
|
|
space = GST_HERMES_COLORSPACE (gst_pad_get_parent (pad));
|
|
|
|
g_return_if_fail (space != NULL);
|
|
g_return_if_fail (GST_IS_COLORSPACE (space));
|
|
|
|
if (space->passthru) {
|
|
gst_pad_push (space->srcpad, _data);
|
|
return;
|
|
}
|
|
|
|
if (GST_BUFFER_SIZE (buf) < space->sink_size) {
|
|
g_critical ("input size is smaller than expected");
|
|
}
|
|
|
|
outbuf =
|
|
gst_pad_alloc_buffer_and_set_caps (space->srcpad, GST_BUFFER_OFFSET_NONE,
|
|
space->src_size);
|
|
|
|
Hermes_ConverterCopy (space->h_handle,
|
|
GST_BUFFER_DATA (buf), 0, 0, space->width, space->height,
|
|
space->sink_stride, GST_BUFFER_DATA (outbuf), 0, 0,
|
|
space->width, space->height, space->src_stride);
|
|
|
|
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
|
|
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
|
|
|
|
gst_buffer_unref (buf);
|
|
gst_pad_push (space->srcpad, GST_DATA (outbuf));
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_hermes_colorspace_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstHermesColorspace *space;
|
|
|
|
space = GST_HERMES_COLORSPACE (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
break;
|
|
}
|
|
|
|
return parent_class->change_state (element, transition);
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstHermesColorspace *space;
|
|
|
|
g_return_if_fail (GST_IS_COLORSPACE (object));
|
|
space = GST_HERMES_COLORSPACE (object);
|
|
|
|
switch (prop_id) {
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_hermes_colorspace_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstHermesColorspace *space;
|
|
|
|
g_return_if_fail (GST_IS_COLORSPACE (object));
|
|
space = GST_HERMES_COLORSPACE (object);
|
|
|
|
switch (prop_id) {
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
gint hermes_res;
|
|
|
|
hermes_res = Hermes_Init ();
|
|
g_return_val_if_fail (hermes_res != 0, FALSE);
|
|
|
|
if (!gst_element_register (plugin, "hermescolorspace", GST_RANK_PRIMARY - 2,
|
|
GST_TYPE_COLORSPACE))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"hermescolorspace",
|
|
"Hermes colorspace converter",
|
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|