diff options
Diffstat (limited to 'gst/smpte/gstsmpte.c')
| -rw-r--r-- | gst/smpte/gstsmpte.c | 494 |
1 files changed, 0 insertions, 494 deletions
diff --git a/gst/smpte/gstsmpte.c b/gst/smpte/gstsmpte.c deleted file mode 100644 index 1c1f325b..00000000 --- a/gst/smpte/gstsmpte.c +++ /dev/null @@ -1,494 +0,0 @@ -/* 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 <string.h> -#include "gstsmpte.h" -#include <gst/video/video.h> -#include "paint.h" - -/* elementfactory information */ -static GstElementDetails smpte_details = { - "SMPTE transitions", - "Filter/Editor/Video", - "Apply the standard SMPTE transitions on video images", - "Wim Taymans <wim.taymans@chello.be>" -}; - -static GstStaticPadTemplate gst_smpte_src_template = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420") - ) - ); - -static GstStaticPadTemplate gst_smpte_sink1_template = -GST_STATIC_PAD_TEMPLATE ("sink1", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420") - ) - ); - -static GstStaticPadTemplate gst_smpte_sink2_template = -GST_STATIC_PAD_TEMPLATE ("sink2", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420") - ) - ); - - -/* SMPTE signals and args */ -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -enum -{ - ARG_0, - ARG_TYPE, - ARG_BORDER, - ARG_DEPTH, - ARG_FPS -}; - -#define GST_TYPE_SMPTE_TRANSITION_TYPE (gst_smpte_transition_type_get_type()) -static GType -gst_smpte_transition_type_get_type (void) -{ - static GType smpte_transition_type = 0; - GEnumValue *smpte_transitions; - - if (!smpte_transition_type) { - const GList *definitions; - gint i = 0; - - definitions = gst_mask_get_definitions (); - smpte_transitions = - g_new0 (GEnumValue, g_list_length ((GList *) definitions) + 1); - - while (definitions) { - GstMaskDefinition *definition = (GstMaskDefinition *) definitions->data; - - definitions = g_list_next (definitions); - - smpte_transitions[i].value = definition->type; - smpte_transitions[i].value_name = definition->short_name; - smpte_transitions[i].value_nick = definition->long_name; - - i++; - } - - smpte_transition_type = - g_enum_register_static ("GstSMPTETransitionType", smpte_transitions); - } - return smpte_transition_type; -} - - -static void gst_smpte_class_init (GstSMPTEClass * klass); -static void gst_smpte_base_init (GstSMPTEClass * klass); -static void gst_smpte_init (GstSMPTE * smpte); - -static GstFlowReturn gst_smpte_collected (GstCollectPads * pads, - GstSMPTE * smpte); - -static void gst_smpte_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_smpte_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static GstElementClass *parent_class = NULL; - -/*static guint gst_smpte_signals[LAST_SIGNAL] = { 0 }; */ - -static GType -gst_smpte_get_type (void) -{ - static GType smpte_type = 0; - - if (!smpte_type) { - static const GTypeInfo smpte_info = { - sizeof (GstSMPTEClass), - (GBaseInitFunc) gst_smpte_base_init, - NULL, - (GClassInitFunc) gst_smpte_class_init, - NULL, - NULL, - sizeof (GstSMPTE), - 0, - (GInstanceInitFunc) gst_smpte_init, - }; - - smpte_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstSMPTE", &smpte_info, 0); - } - return smpte_type; -} - -static void -gst_smpte_base_init (GstSMPTEClass * klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_smpte_sink1_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_smpte_sink2_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_smpte_src_template)); - gst_element_class_set_details (element_class, &smpte_details); -} - -static void -gst_smpte_class_init (GstSMPTEClass * 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_smpte_set_property; - gobject_class->get_property = gst_smpte_get_property; - - _gst_mask_init (); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TYPE, - g_param_spec_enum ("type", "Type", "The type of transition to use", - GST_TYPE_SMPTE_TRANSITION_TYPE, 1, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FPS, - g_param_spec_float ("fps", "FPS", - "Frames per second if no input files are given", 0., G_MAXFLOAT, 25., - G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BORDER, - g_param_spec_int ("border", "Border", - "The border width of the transition", 0, G_MAXINT, 0, - G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEPTH, - g_param_spec_int ("depth", "Depth", "Depth of the mask in bits", 1, 24, - 16, G_PARAM_READWRITE)); -} - -/* wht yel cya grn mag red blu blk -I Q */ -static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 0 }; -static int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 0, 128 }; -static int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 128, 255 }; - -static void -fill_i420 (guint8 * data, gint width, gint height, gint color) -{ - gint size = width * height, size4 = size >> 2; - guint8 *yp = data; - guint8 *up = data + size; - guint8 *vp = data + size + size4; - - memset (yp, y_colors[color], size); - memset (up, u_colors[color], size4); - memset (vp, v_colors[color], size4); -} - -static gboolean -gst_smpte_update_mask (GstSMPTE * smpte, gint type, gint depth, gint width, - gint height) -{ - GstMask *newmask; - - newmask = gst_mask_factory_new (type, depth, width, height); - if (newmask) { - if (smpte->mask) { - gst_mask_destroy (smpte->mask); - } - smpte->mask = newmask; - smpte->type = type; - smpte->depth = depth; - smpte->width = width; - smpte->height = height; - - return TRUE; - } - return FALSE; -} - -static gboolean -gst_smpte_setcaps (GstPad * pad, GstCaps * caps) -{ - GstSMPTE *smpte; - GstStructure *structure; - gboolean ret; - - smpte = GST_SMPTE (GST_PAD_PARENT (pad)); - - structure = gst_caps_get_structure (caps, 0); - - ret = gst_structure_get_int (structure, "width", &smpte->width); - ret &= gst_structure_get_int (structure, "height", &smpte->height); - ret &= gst_structure_get_double (structure, "framerate", &smpte->fps); - if (!ret) - return FALSE; - - gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width, - smpte->height); - - /* forward to the next plugin */ - return TRUE; -} - -static void -gst_smpte_init (GstSMPTE * smpte) -{ - smpte->sinkpad1 = - gst_pad_new_from_template (gst_static_pad_template_get - (&gst_smpte_sink1_template), "sink1"); - gst_pad_set_setcaps_function (smpte->sinkpad1, gst_smpte_setcaps); - gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad1); - - smpte->sinkpad2 = - gst_pad_new_from_template (gst_static_pad_template_get - (&gst_smpte_sink2_template), "sink2"); - gst_pad_set_setcaps_function (smpte->sinkpad2, gst_smpte_setcaps); - gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad2); - - smpte->srcpad = - gst_pad_new_from_template (gst_static_pad_template_get - (&gst_smpte_src_template), "src"); - gst_element_add_pad (GST_ELEMENT (smpte), smpte->srcpad); - - smpte->collect = gst_collectpads_new (); - gst_collectpads_set_function (smpte->collect, - (GstCollectPadsFunction) gst_smpte_collected, smpte); - gst_collectpads_start (smpte->collect); - - gst_collectpads_add_pad (smpte->collect, smpte->sinkpad1, - sizeof (GstCollectData)); - gst_collectpads_add_pad (smpte->collect, smpte->sinkpad2, - sizeof (GstCollectData)); - - smpte->width = 320; - smpte->height = 200; - smpte->fps = 25.; - smpte->duration = 512; - smpte->position = 0; - smpte->type = 1; - smpte->border = 0; - smpte->depth = 16; - gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width, - smpte->height); -} - -static void -gst_smpte_blend_i420 (guint8 * in1, guint8 * in2, guint8 * out, GstMask * mask, - gint width, gint height, gint border, gint pos) -{ - guint32 *maskp; - gint value; - gint i, j; - gint min, max; - guint8 *in1u, *in1v, *in2u, *in2v, *outu, *outv; - gint lumsize = width * height; - gint chromsize = lumsize >> 2; - - if (border == 0) - border++; - - min = pos - border; - max = pos; - - in1u = in1 + lumsize; - in1v = in1u + chromsize; - in2u = in2 + lumsize; - in2v = in2u + chromsize; - outu = out + lumsize; - outv = outu + chromsize; - - maskp = mask->data; - - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) { - value = *maskp++; - value = ((CLAMP (value, min, max) - min) << 8) / border; - - *out++ = ((*in1++ * value) + (*in2++ * (256 - value))) >> 8; - if (!(i & 1) && !(j & 1)) { - *outu++ = ((*in1u++ * value) + (*in2u++ * (256 - value))) >> 8; - *outv++ = ((*in1v++ * value) + (*in2v++ * (256 - value))) >> 8; - } - } - } -} - -static GstFlowReturn -gst_smpte_collected (GstCollectPads * pads, GstSMPTE * smpte) -{ - GstBuffer *outbuf; - GstClockTime ts; - GstBuffer *in1 = NULL, *in2 = NULL; - GSList *collected; - - ts = smpte->position * GST_SECOND / smpte->fps; - - for (collected = pads->data; collected; collected = g_slist_next (collected)) { - GstCollectData *data; - - data = (GstCollectData *) collected->data; - - if (data->pad == smpte->sinkpad1) - in1 = gst_collectpads_pop (pads, data); - else if (data->pad == smpte->sinkpad2) - in2 = gst_collectpads_pop (pads, data); - } - - if (in1 == NULL) { - in1 = gst_buffer_new_and_alloc (smpte->width * smpte->height * 3); - fill_i420 (GST_BUFFER_DATA (in1), smpte->width, smpte->height, 7); - } - if (in2 == NULL) { - in2 = gst_buffer_new_and_alloc (smpte->width * smpte->height * 3); - fill_i420 (GST_BUFFER_DATA (in2), smpte->width, smpte->height, 0); - } - - if (smpte->position < smpte->duration) { - outbuf = gst_buffer_new_and_alloc (smpte->width * smpte->height * 3); - - /* set caps if not done yet */ - if (!GST_PAD_CAPS (smpte->srcpad)) { - GstCaps *caps; - - caps = - gst_caps_copy (gst_static_caps_get (&gst_smpte_src_template. - static_caps)); - gst_caps_set_simple (caps, "width", G_TYPE_INT, smpte->width, "height", - G_TYPE_INT, smpte->height, "framerate", G_TYPE_DOUBLE, smpte->fps, - NULL); - - gst_pad_set_caps (smpte->srcpad, caps); - } - gst_buffer_set_caps (outbuf, GST_PAD_CAPS (smpte->srcpad)); - - gst_smpte_blend_i420 (GST_BUFFER_DATA (in1), - GST_BUFFER_DATA (in2), - GST_BUFFER_DATA (outbuf), - smpte->mask, smpte->width, smpte->height, - smpte->border, - ((1 << smpte->depth) + smpte->border) * - smpte->position / smpte->duration); - - } else { - outbuf = in2; - gst_buffer_ref (in2); - } - - smpte->position++; - - if (in1) - gst_buffer_unref (in1); - if (in2) - gst_buffer_unref (in2); - - GST_BUFFER_TIMESTAMP (outbuf) = ts; - - return gst_pad_push (smpte->srcpad, outbuf); -} - -static void -gst_smpte_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstSMPTE *smpte; - - smpte = GST_SMPTE (object); - - switch (prop_id) { - case ARG_TYPE: - { - gint type = g_value_get_enum (value); - - gst_smpte_update_mask (smpte, type, smpte->depth, - smpte->width, smpte->height); - break; - } - case ARG_BORDER: - smpte->border = g_value_get_int (value); - break; - case ARG_FPS: - smpte->fps = g_value_get_float (value); - break; - case ARG_DEPTH: - { - gint depth = g_value_get_int (value); - - gst_smpte_update_mask (smpte, smpte->type, depth, - smpte->width, smpte->height); - break; - } - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_smpte_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstSMPTE *smpte; - - smpte = GST_SMPTE (object); - - switch (prop_id) { - case ARG_TYPE: - if (smpte->mask) { - g_value_set_enum (value, smpte->mask->type); - } - break; - case ARG_FPS: - g_value_set_float (value, smpte->fps); - break; - case ARG_BORDER: - g_value_set_int (value, smpte->border); - break; - case ARG_DEPTH: - g_value_set_int (value, smpte->depth); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - - -static gboolean -plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "smpte", GST_RANK_NONE, GST_TYPE_SMPTE); -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "smpte", - "Apply the standard SMPTE transitions on video images", - plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN) |