gstreamer/ext/lcs/gstcolorspace.c

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/* 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 <lcs/lcs.h>
#include <string.h>
#define GST_TYPE_COLORSPACE \
(gst_colorspace_get_type())
#define GST_COLORSPACE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLORSPACE,GstColorspace))
#define GST_COLORSPACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstColorspace))
#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 _GstColorspace GstColorspace;
typedef struct _GstColorspaceClass GstColorspaceClass;
struct _GstColorspace
{
GstElement element;
GstPad *sinkpad, *srcpad;
LCSConverter *converter;
gboolean passthrough;
gint width, height;
double framerate;
gboolean disabled;
};
struct _GstColorspaceClass
{
GstElementClass parent_class;
};
/* Stereo signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_SOURCE,
ARG_DEST
};
static GType gst_colorspace_get_type (void);
static void gst_colorspace_class_init (GstColorspaceClass * klass);
static void gst_colorspace_base_init (GstColorspaceClass * klass);
static void gst_colorspace_init (GstColorspace * space);
static void gst_colorspace_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_colorspace_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstPadLinkReturn
gst_colorspace_link (GstPad * pad, const GstCaps * caps);
static void gst_colorspace_chain (GstPad * pad, GstData * _data);
static GstStateChangeReturn gst_colorspace_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
/*static guint gst_colorspace_signals[LAST_SIGNAL] = { 0 }; */
static GstStaticPadTemplate gst_colorspace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
GST_VIDEO_CAPS_BGR "; "
GST_VIDEO_CAPS_RGBx "; "
GST_VIDEO_CAPS_xRGB "; "
GST_VIDEO_CAPS_BGRx "; "
GST_VIDEO_CAPS_xBGR "; "
GST_VIDEO_CAPS_RGB_16 "; "
GST_VIDEO_CAPS_RGB_15 "; "
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, YVYU, UYVY, YUV9, YVU9, "
"Y800, Y41P, Y41B, Y42B, IUY2 }")
)
);
static GstStaticPadTemplate gst_colorspace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
GST_VIDEO_CAPS_BGR "; "
GST_VIDEO_CAPS_RGBx "; "
GST_VIDEO_CAPS_xRGB "; "
GST_VIDEO_CAPS_BGRx "; "
GST_VIDEO_CAPS_xBGR "; "
GST_VIDEO_CAPS_RGB_16 "; "
GST_VIDEO_CAPS_RGB_15 "; "
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, YVYU, UYVY, YUV9, YVU9, "
"Y800, Y41P, Y41B, Y42B, IUY2 }")
)
);
static const LCSFormat *
colorspace_find_lcs_format (const GstCaps * caps)
{
const LCSFormat *format = NULL;
const char *name;
const GstStructure *structure = gst_caps_get_structure (caps, 0);
name = gst_structure_get_name (structure);
if (strcmp (name, "video/x-raw-rgb") == 0) {
LCSRGBPackedFormat *rgb_fmt = g_new (LCSRGBPackedFormat, 1);
gint mask;
gchar *format_name;
int endianness;
format = (const LCSFormat *) rgb_fmt;
((LCSFormat *) rgb_fmt)->type = LCS_FORMAT_RGB_PACKED;
gst_structure_get_int (structure, "bpp",
&((LCSFormat *) rgb_fmt)->bits_per_pixel);
gst_structure_get_int (structure, "red_mask", &mask);
lcs_utils_mask_to_shift (mask, &rgb_fmt->bits_per_component[LCS_R],
&rgb_fmt->component_bit_offset[LCS_R]);
gst_structure_get_int (structure, "green_mask", &mask);
lcs_utils_mask_to_shift (mask, &rgb_fmt->bits_per_component[LCS_G],
&rgb_fmt->component_bit_offset[LCS_G]);
gst_structure_get_int (structure, "blue_mask", &mask);
lcs_utils_mask_to_shift (mask, &rgb_fmt->bits_per_component[LCS_B],
&rgb_fmt->component_bit_offset[LCS_B]);
rgb_fmt->bits_per_component[LCS_A] = 0;
rgb_fmt->component_bit_offset[LCS_A] = 0;
gst_structure_get_int (structure, "endianness", &endianness);
rgb_fmt->endianness = endianness;
format_name = g_strdup_printf ("GST_RGB_%d", format->bits_per_pixel);
lcs_register_format (format_name, (LCSFormat *) rgb_fmt, 1);
} else if (strcmp (name, "video/x-raw-yuv") == 0) {
guint32 space;
gchar fourcc[5];
gst_structure_get_fourcc (structure, "format", &space);
lcs_utils_fourcc_to_string (space, fourcc);
fourcc[4] = '\0';
format = lcs_find_format (fourcc);
} else {
g_assert_not_reached ();
}
return format;
}
static guint32
gst_colorspace_caps_get_fourcc (const GstCaps * caps)
{
guint32 format;
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
if (strcmp (gst_structure_get_name (structure), "video/x-raw-rgb") == 0) {
format = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
} else {
gst_structure_get_fourcc (structure, "format", &format);
}
return format;
}
static gboolean
colorspace_setup_converter (GstColorspace * space, const GstCaps * from_caps,
const GstCaps * to_caps)
{
const LCSFormat *from_format = NULL;
const LCSFormat *to_format = NULL;
guint32 from_space, to_space;
g_return_val_if_fail (to_caps != NULL, FALSE);
g_return_val_if_fail (from_caps != NULL, FALSE);
from_space = gst_colorspace_caps_get_fourcc (from_caps);
to_space = gst_colorspace_caps_get_fourcc (to_caps);
from_format = colorspace_find_lcs_format (from_caps);
to_format = colorspace_find_lcs_format (to_caps);
GST_DEBUG ("trying from " GST_FOURCC_FORMAT " to " GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (from_space), GST_FOURCC_ARGS (to_space));
space->converter = lcs_find_converter (from_format, to_format, LCS_FLAG_FAST);
if (space->converter) {
GST_DEBUG ("trying from " GST_FOURCC_FORMAT " to " GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (from_space), GST_FOURCC_ARGS (to_space));
space->disabled = FALSE;
return TRUE;
}
return FALSE;
}
static GstCaps *
gst_colorspace_getcaps (GstPad * pad)
{
#if unused
GstColorspace *space;
GstCaps *result;
GstCaps *peercaps;
GstCaps *ourcaps;
space = GST_COLORSPACE (gst_pad_get_parent (pad));
/* we can do everything our peer can... */
peercaps = gst_caps_copy (gst_pad_get_allowed_caps (space->srcpad));
/* and our own template of course */
ourcaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
/* merge them together, we prefer the peercaps first */
result = gst_caps_prepend (ourcaps, peercaps);
return result;
#endif
return gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
static GstPadLinkReturn
gst_colorspace_link (GstPad * pad, const GstCaps * caps)
{
GstStructure *structure;
GstPad *otherpad;
GstCaps *othercaps;
GstColorspace *space;
int width;
int height;
double framerate;
GstPadLinkReturn ret;
space = GST_COLORSPACE (gst_pad_get_parent (pad));
otherpad = (pad == space->srcpad) ? space->sinkpad : space->srcpad;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
gst_structure_get_double (structure, "framerate", &framerate);
ret = gst_pad_try_set_caps (otherpad, caps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
/* passthrough */
space->passthrough = TRUE;
return GST_PAD_LINK_OK;
}
space->passthrough = FALSE;
if (gst_pad_is_negotiated (otherpad)) {
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, framerate, NULL);
ret = gst_pad_try_set_caps (otherpad, othercaps);
if (!GST_PAD_LINK_SUCCESSFUL (ret)) {
return ret;
}
if (colorspace_setup_converter (space, caps, othercaps)) {
space->width = width;
space->height = height;
space->framerate = framerate;
} else {
return GST_PAD_LINK_REFUSED;
}
}
return GST_PAD_LINK_OK;
}
static GType
gst_colorspace_get_type (void)
{
static GType colorspace_type = 0;
if (!colorspace_type) {
static const GTypeInfo colorspace_info = {
sizeof (GstColorspaceClass),
(GBaseInitFunc) gst_colorspace_base_init,
NULL,
(GClassInitFunc) gst_colorspace_class_init,
NULL,
NULL,
sizeof (GstColorspace),
0,
(GInstanceInitFunc) gst_colorspace_init,
};
colorspace_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstColorspaceLCS",
&colorspace_info, 0);
}
return colorspace_type;
}
static void
gst_colorspace_base_init (GstColorspaceClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_colorspace_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_colorspace_sink_template));
gst_element_class_set_details_simple (element_class, "Colorspace converter",
"Filter/Effect",
"Converts video from one colorspace to another",
"Wim Taymans <wim.taymans@chello.be>");
}
static void
gst_colorspace_class_init (GstColorspaceClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent) Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_class_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_class_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_class_init): * ext/arts/gst_arts.c: (gst_arts_class_init): * ext/artsd/gstartsdsink.c: (gst_artsdsink_class_init): * ext/audiofile/gstafsink.c: (gst_afsink_class_init): * ext/audiofile/gstafsrc.c: (gst_afsrc_class_init): * ext/audioresample/gstaudioresample.c: * ext/cdaudio/gstcdaudio.c: (gst_cdaudio_class_init): * ext/directfb/dfbvideosink.c: (gst_dfbvideosink_class_init): * ext/divx/gstdivxdec.c: (gst_divxdec_class_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_class_init): * ext/ivorbis/vorbisfile.c: (gst_ivorbisfile_class_init): * ext/jack/gstjack.c: (gst_jack_class_init): * ext/jack/gstjackbin.c: (gst_jack_bin_class_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_class_init): * ext/libfame/gstlibfame.c: (gst_fameenc_class_init): * ext/musicbrainz/gsttrm.c: (gst_musicbrainz_class_init): * ext/nas/nassink.c: (gst_nassink_class_init): * ext/shout/gstshout.c: (gst_icecastsend_class_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_class_init): * ext/sndfile/gstsf.c: (gst_sf_class_init): * ext/swfdec/gstswfdec.c: (gst_swfdecbuffer_class_init), (gst_swfdec_class_init): * ext/tarkin/gsttarkindec.c: (gst_tarkindec_class_init): * ext/tarkin/gsttarkinenc.c: (gst_tarkinenc_class_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_class_init): * gst/chart/gstchart.c: (gst_chart_class_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_class_init): * gst/deinterlace/gstdeinterlace.c: (gst_deinterlace_class_init): * gst/festival/gstfestival.c: (gst_festival_class_init): * gst/filter/gstbpwsinc.c: (gst_bpwsinc_class_init): * gst/filter/gstiir.c: (gst_iir_class_init): * gst/filter/gstlpwsinc.c: (gst_lpwsinc_class_init): * gst/librfb/gstrfbsrc.c: (gst_rfbsrc_class_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_class_init): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_class_init): * gst/mpeg1videoparse/gstmp1videoparse.c: (gst_mp1videoparse_class_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_class_init): * gst/mpegaudioparse/gstmpegaudioparse.c: (gst_mp3parse_class_init): * gst/overlay/gstoverlay.c: (gst_overlay_class_init): * gst/passthrough/gstpassthrough.c: (passthrough_class_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_class_init): * gst/rtjpeg/gstrtjpegdec.c: (gst_rtjpegdec_class_init): * gst/rtjpeg/gstrtjpegenc.c: (gst_rtjpegenc_class_init): * gst/smooth/gstsmooth.c: (gst_smooth_class_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_class_init): * gst/spectrum/gstspectrum.c: (gst_spectrum_class_init): * gst/stereo/gststereo.c: (gst_stereo_class_init): * gst/switch/gstswitch.c: (gst_switch_class_init): * gst/tta/gstttadec.c: (gst_tta_dec_class_init): * gst/tta/gstttaparse.c: (gst_tta_parse_class_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_class_init): * gst/videocrop/gstvideocrop.c: (gst_video_crop_class_init): * gst/virtualdub/gstxsharpen.c: (gst_xsharpen_class_init): * gst/y4m/gsty4mencode.c: (gst_y4mencode_class_init): * sys/cdrom/gstcdplayer.c: (cdplayer_class_init): * sys/directsound/gstdirectsoundsink.c: (gst_directsoundsink_class_init): * sys/dxr3/dxr3audiosink.c: (dxr3audiosink_class_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_class_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_class_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_class_init): * sys/v4l2/gstv4l2colorbalance.c: (gst_v4l2_color_balance_channel_class_init): * sys/v4l2/gstv4l2tuner.c: (gst_v4l2_tuner_channel_class_init), (gst_v4l2_tuner_norm_class_init): * sys/ximagesrc/ximagesrc.c: (gst_ximagesrc_class_init): Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
2006-04-08 21:48:01 +00:00
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_colorspace_set_property;
gobject_class->get_property = gst_colorspace_get_property;
gstelement_class->change_state = gst_colorspace_change_state;
}
static void
gst_colorspace_init (GstColorspace * space)
{
space->sinkpad =
Fix leaks. Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
2007-06-22 10:46:33 +00:00
gst_pad_new_from_static_template (&gst_colorspace_sink_template, "sink");
gst_pad_set_link_function (space->sinkpad, gst_colorspace_link);
gst_pad_set_getcaps_function (space->sinkpad, gst_colorspace_getcaps);
gst_pad_set_chain_function (space->sinkpad, gst_colorspace_chain);
gst_element_add_pad (GST_ELEMENT (space), space->sinkpad);
space->srcpad =
Fix leaks. Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
2007-06-22 10:46:33 +00:00
gst_pad_new_from_static_template (&gst_colorspace_src_template, "src");
gst_element_add_pad (GST_ELEMENT (space), space->srcpad);
gst_pad_set_link_function (space->srcpad, gst_colorspace_link);
space->disabled = TRUE;
}
static void
gst_colorspace_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstColorspace *space;
GstBuffer *outbuf;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
space = GST_COLORSPACE (gst_pad_get_parent (pad));
g_return_if_fail (space != NULL);
g_return_if_fail (GST_IS_COLORSPACE (space));
if (space->passthrough) {
outbuf = buf;
} else {
unsigned long size;
lcs_format_buffer_size (lcs_converter_get_dest_format (space->converter),
space->width, space->height, &size);
outbuf =
gst_pad_alloc_buffer_and_set_caps (space->srcpad,
GST_BUFFER_OFFSET_NONE, size);
lcs_convert_auto (space->converter,
GST_BUFFER_DATA (buf),
GST_BUFFER_DATA (outbuf), space->width, space->height);
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_colorspace_change_state (GstElement * element, GstStateChange transition)
{
GstColorspace *space;
space = GST_COLORSPACE (element);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
}
parent_class->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
static void
gst_colorspace_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstColorspace *space;
g_return_if_fail (GST_IS_COLORSPACE (object));
space = GST_COLORSPACE (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_colorspace_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstColorspace *space;
g_return_if_fail (GST_IS_COLORSPACE (object));
space = GST_COLORSPACE (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
lcs_init (NULL, NULL);
return gst_element_register (plugin, "lcscolorspace", GST_RANK_NONE,
GST_TYPE_COLORSPACE);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
lcscolorspace,
"LCS colorspace convertor",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)