gstreamer/ext/hermes/gsthermescolorspace.c

669 lines
20 KiB
C
Raw Normal View History

/* 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(obj) \
(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)},
};
static GstElementDetails colorspace_details = {
"Colorspace converter",
"Filter/Converter/Video",
"Converts video from one colorspace to another using libhermes",
"Wim Taymans <wim.taymans@chello.be>",
};
/* 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 (element_class, &colorspace_details);
}
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_ref (GST_TYPE_ELEMENT);
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_template (gst_static_pad_template_get
(&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_template (gst_static_pad_template_get
(&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 (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, GST_ORIGIN)