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smpte: port to 0.11
This commit is contained in:
Mark Nauwelaerts
parent
cc32b51ddc
commit
bcf5f38b16
5 changed files with 324 additions and 212 deletions
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@ -312,7 +312,6 @@ dnl *** plug-ins to include ***
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dnl Non ported plugins (non-dependant, then dependant)
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dnl Make sure you have a space before and after all plugins
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GST_PLUGINS_NONPORTED="deinterlace interleave flx \
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smpte \
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videobox \
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cairo cairo_gobject dv1394 gdk_pixbuf \
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oss oss4 \
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@ -44,7 +44,6 @@
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#endif
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#include <string.h>
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#include "gstsmpte.h"
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#include <gst/video/video.h>
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#include "paint.h"
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GST_DEBUG_CATEGORY_STATIC (gst_smpte_debug);
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@ -54,7 +53,7 @@ static GstStaticPadTemplate gst_smpte_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")
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)
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);
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@ -62,7 +61,7 @@ static GstStaticPadTemplate gst_smpte_sink1_template =
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GST_STATIC_PAD_TEMPLATE ("sink1",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")
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)
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);
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@ -70,7 +69,7 @@ static GstStaticPadTemplate gst_smpte_sink2_template =
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GST_STATIC_PAD_TEMPLATE ("sink2",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")
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)
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);
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@ -148,7 +147,6 @@ gst_smpte_transition_type_get_type (void)
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static void gst_smpte_class_init (GstSMPTEClass * klass);
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static void gst_smpte_base_init (GstSMPTEClass * klass);
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static void gst_smpte_init (GstSMPTE * smpte);
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static void gst_smpte_finalize (GstSMPTE * smpte);
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@ -175,7 +173,7 @@ gst_smpte_get_type (void)
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if (!smpte_type) {
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static const GTypeInfo smpte_info = {
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sizeof (GstSMPTEClass),
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(GBaseInitFunc) gst_smpte_base_init,
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NULL,
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NULL,
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(GClassInitFunc) gst_smpte_class_init,
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NULL,
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@ -191,23 +189,6 @@ gst_smpte_get_type (void)
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return smpte_type;
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}
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static void
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gst_smpte_base_init (GstSMPTEClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_smpte_sink1_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_smpte_sink2_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_smpte_src_template));
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gst_element_class_set_details_simple (element_class, "SMPTE transitions",
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"Filter/Editor/Video",
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"Apply the standard SMPTE transitions on video images",
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"Wim Taymans <wim.taymans@chello.be>");
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}
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static void
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gst_smpte_class_init (GstSMPTEClass * klass)
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{
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@ -251,6 +232,17 @@ gst_smpte_class_init (GstSMPTEClass * klass)
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_smpte_change_state);
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_smpte_sink1_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_smpte_sink2_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_smpte_src_template));
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gst_element_class_set_details_simple (gstelement_class, "SMPTE transitions",
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"Filter/Editor/Video",
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"Apply the standard SMPTE transitions on video images",
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"Wim Taymans <wim.taymans@chello.be>");
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}
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/* wht yel cya grn mag red blu blk -I Q */
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@ -307,20 +299,20 @@ static gboolean
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gst_smpte_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstSMPTE *smpte;
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GstStructure *structure;
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gboolean ret;
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GstVideoInfo vinfo;
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smpte = GST_SMPTE (GST_PAD_PARENT (pad));
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "width", &smpte->width);
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ret &= gst_structure_get_int (structure, "height", &smpte->height);
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ret &= gst_structure_get_fraction (structure, "framerate",
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&smpte->fps_num, &smpte->fps_denom);
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if (!ret)
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gst_video_info_init (&vinfo);
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if (!gst_video_info_from_caps (&vinfo, caps))
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return FALSE;
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smpte->width = GST_VIDEO_INFO_WIDTH (&vinfo);
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smpte->height = GST_VIDEO_INFO_HEIGHT (&vinfo);
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smpte->fps_num = GST_VIDEO_INFO_FPS_N (&vinfo);
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smpte->fps_denom = GST_VIDEO_INFO_FPS_D (&vinfo);
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/* for backward compat, we store these here */
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smpte->fps = ((gdouble) smpte->fps_num) / smpte->fps_denom;
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@ -334,6 +326,42 @@ gst_smpte_setcaps (GstPad * pad, GstCaps * caps)
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gst_smpte_update_mask (smpte, smpte->type, smpte->invert, smpte->depth,
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smpte->width, smpte->height);
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if (pad == smpte->sinkpad1) {
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GST_DEBUG_OBJECT (smpte, "setting pad1 info");
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smpte->vinfo1 = vinfo;
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} else {
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GST_DEBUG_OBJECT (smpte, "setting pad2 info");
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smpte->vinfo2 = vinfo;
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}
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return ret;
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}
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static gboolean
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gst_smpte_sink_event (GstCollectPads2 * pads,
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GstCollectData2 * data, GstEvent * event, gpointer user_data)
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{
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GstPad *pad;
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gboolean ret = FALSE;
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pad = data->pad;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_CAPS:
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{
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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ret = gst_smpte_setcaps (pad, caps);
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gst_event_unref (event);
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event = NULL;
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break;
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}
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default:
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ret = gst_pad_event_default (pad,
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GST_OBJECT_CAST (GST_PAD_PARENT (pad)), event);
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}
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return ret;
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}
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@ -342,18 +370,12 @@ gst_smpte_init (GstSMPTE * smpte)
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{
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smpte->sinkpad1 =
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gst_pad_new_from_static_template (&gst_smpte_sink1_template, "sink1");
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gst_pad_set_setcaps_function (smpte->sinkpad1,
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GST_DEBUG_FUNCPTR (gst_smpte_setcaps));
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gst_pad_set_getcaps_function (smpte->sinkpad1,
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GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
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GST_PAD_SET_PROXY_CAPS (smpte->sinkpad1);
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gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad1);
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smpte->sinkpad2 =
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gst_pad_new_from_static_template (&gst_smpte_sink2_template, "sink2");
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gst_pad_set_setcaps_function (smpte->sinkpad2,
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GST_DEBUG_FUNCPTR (gst_smpte_setcaps));
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gst_pad_set_getcaps_function (smpte->sinkpad2,
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GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
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GST_PAD_SET_PROXY_CAPS (smpte->sinkpad2);
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gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad2);
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smpte->srcpad =
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@ -363,6 +385,8 @@ gst_smpte_init (GstSMPTE * smpte)
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smpte->collect = gst_collect_pads2_new ();
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gst_collect_pads2_set_function (smpte->collect,
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(GstCollectPads2Function) GST_DEBUG_FUNCPTR (gst_smpte_collected), smpte);
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gst_collect_pads2_set_event_function (smpte->collect,
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GST_DEBUG_FUNCPTR (gst_smpte_sink_event), smpte);
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gst_collect_pads2_add_pad (smpte->collect, smpte->sinkpad1,
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sizeof (GstCollectData2));
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@ -399,15 +423,15 @@ gst_smpte_reset (GstSMPTE * smpte)
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}
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static void
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gst_smpte_blend_i420 (guint8 * in1, guint8 * in2, guint8 * out, GstMask * mask,
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gint width, gint height, gint border, gint pos)
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gst_smpte_blend_i420 (GstVideoFrame * frame1, GstVideoFrame * frame2,
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GstVideoFrame * oframe, GstMask * mask, gint border, gint pos)
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{
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guint32 *maskp;
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gint value;
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gint i, j;
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gint min, max;
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guint8 *in1u, *in1v, *in2u, *in2v, *outu, *outv;
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gint uoffset, voffset, ystr, ustr, vstr;
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guint8 *in1, *in2, *out, *in1u, *in1v, *in2u, *in2v, *outu, *outv;
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gint width, height;
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if (border == 0)
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border++;
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@ -415,19 +439,19 @@ gst_smpte_blend_i420 (guint8 * in1, guint8 * in2, guint8 * out, GstMask * mask,
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min = pos - border;
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max = pos;
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uoffset = I420_U_OFFSET (width, height);
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voffset = I420_V_OFFSET (width, height);
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width = GST_VIDEO_FRAME_WIDTH (frame1);
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height = GST_VIDEO_FRAME_HEIGHT (frame1);
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ystr = I420_Y_ROWSTRIDE (width);
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ustr = I420_U_ROWSTRIDE (width);
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vstr = I420_V_ROWSTRIDE (width);
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in1 = GST_VIDEO_FRAME_COMP_DATA (frame1, 0);
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in2 = GST_VIDEO_FRAME_COMP_DATA (frame2, 0);
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out = GST_VIDEO_FRAME_COMP_DATA (oframe, 0);
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in1u = in1 + uoffset;
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in1v = in1 + voffset;
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in2u = in2 + uoffset;
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in2v = in2 + voffset;
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outu = out + uoffset;
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outv = out + voffset;
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in1u = GST_VIDEO_FRAME_COMP_DATA (frame1, 1);
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in1v = GST_VIDEO_FRAME_COMP_DATA (frame1, 2);
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in2u = GST_VIDEO_FRAME_COMP_DATA (frame2, 1);
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in2v = GST_VIDEO_FRAME_COMP_DATA (frame2, 2);
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outu = GST_VIDEO_FRAME_COMP_DATA (oframe, 1);
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outv = GST_VIDEO_FRAME_COMP_DATA (oframe, 2);
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maskp = mask->data;
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@ -444,16 +468,18 @@ gst_smpte_blend_i420 (guint8 * in1, guint8 * in2, guint8 * out, GstMask * mask,
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((in1v[j / 2] * value) + (in2v[j / 2] * (256 - value))) >> 8;
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}
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}
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out += ystr;
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in1 += ystr;
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in2 += ystr;
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in1 += GST_VIDEO_FRAME_COMP_STRIDE (frame1, 0);
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in2 += GST_VIDEO_FRAME_COMP_STRIDE (frame2, 0);
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out += GST_VIDEO_FRAME_COMP_STRIDE (oframe, 0);
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if (!(i & 1)) {
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outu += ustr;
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in1u += ustr;
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in2u += ustr;
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outv += vstr;
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in1v += vstr;
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in2v += vstr;
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in1u += GST_VIDEO_FRAME_COMP_STRIDE (frame1, 1);
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in2u += GST_VIDEO_FRAME_COMP_STRIDE (frame2, 1);
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in1v += GST_VIDEO_FRAME_COMP_STRIDE (frame1, 2);
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in2v += GST_VIDEO_FRAME_COMP_STRIDE (frame1, 2);
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outu += GST_VIDEO_FRAME_COMP_STRIDE (oframe, 1);
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outv += GST_VIDEO_FRAME_COMP_STRIDE (oframe, 2);
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}
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}
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}
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@ -465,11 +491,14 @@ gst_smpte_collected (GstCollectPads2 * pads, GstSMPTE * smpte)
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GstClockTime ts;
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GstBuffer *in1 = NULL, *in2 = NULL;
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GSList *collected;
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GstMapInfo map;
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GstVideoFrame frame1, frame2, oframe;
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if (G_UNLIKELY (smpte->fps_num == 0))
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goto not_negotiated;
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if (!GST_PAD_CAPS (smpte->sinkpad1) || !GST_PAD_CAPS (smpte->sinkpad2))
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if (!gst_pad_has_current_caps (smpte->sinkpad1) ||
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!gst_pad_has_current_caps (smpte->sinkpad2))
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goto not_negotiated;
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ts = gst_util_uint64_scale_int (smpte->position * GST_SECOND,
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@ -489,23 +518,31 @@ gst_smpte_collected (GstCollectPads2 * pads, GstSMPTE * smpte)
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if (in1 == NULL) {
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/* if no input, make picture black */
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in1 = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
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fill_i420 (GST_BUFFER_DATA (in1), smpte->width, smpte->height, 7);
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gst_buffer_map (in1, &map, GST_MAP_WRITE);
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fill_i420 (map.data, smpte->width, smpte->height, 7);
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gst_buffer_unmap (in1, &map);
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}
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if (in2 == NULL) {
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/* if no input, make picture white */
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in2 = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
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fill_i420 (GST_BUFFER_DATA (in2), smpte->width, smpte->height, 0);
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gst_buffer_map (in2, &map, GST_MAP_WRITE);
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fill_i420 (map.data, smpte->width, smpte->height, 0);
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gst_buffer_unmap (in1, &map);
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}
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if (GST_BUFFER_SIZE (in1) != GST_BUFFER_SIZE (in2))
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if (GST_VIDEO_INFO_WIDTH (&smpte->vinfo1) !=
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GST_VIDEO_INFO_WIDTH (&smpte->vinfo2) ||
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GST_VIDEO_INFO_HEIGHT (&smpte->vinfo1) !=
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GST_VIDEO_INFO_HEIGHT (&smpte->vinfo2))
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goto input_formats_do_not_match;
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if (smpte->position < smpte->end_position) {
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outbuf = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
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/* set caps if not done yet */
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if (!GST_PAD_CAPS (smpte->srcpad)) {
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if (!gst_pad_has_current_caps (smpte->srcpad)) {
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GstCaps *caps;
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GstSegment segment;
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caps =
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gst_caps_copy (gst_static_caps_get
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@ -516,21 +553,20 @@ gst_smpte_collected (GstCollectPads2 * pads, GstSMPTE * smpte)
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gst_pad_set_caps (smpte->srcpad, caps);
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gst_pad_push_event (smpte->srcpad,
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gst_event_new_new_segment_full (FALSE,
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1.0, 1.0, GST_FORMAT_TIME, 0, -1, 0));
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gst_segment_init (&segment, GST_FORMAT_TIME);
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gst_pad_push_event (smpte->srcpad, gst_event_new_segment (&segment));
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}
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (smpte->srcpad));
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gst_smpte_blend_i420 (GST_BUFFER_DATA (in1),
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GST_BUFFER_DATA (in2),
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GST_BUFFER_DATA (outbuf),
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smpte->mask, smpte->width, smpte->height,
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smpte->border,
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gst_video_frame_map (&frame1, &smpte->vinfo1, in1, GST_MAP_READ);
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gst_video_frame_map (&frame2, &smpte->vinfo2, in2, GST_MAP_READ);
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/* re-use either info, now know they are essentially identical */
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gst_video_frame_map (&oframe, &smpte->vinfo1, outbuf, GST_MAP_WRITE);
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gst_smpte_blend_i420 (&frame1, &frame2, &oframe, smpte->mask, smpte->border,
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((1 << smpte->depth) + smpte->border) *
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smpte->position / smpte->end_position);
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gst_video_frame_unmap (&frame1);
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gst_video_frame_unmap (&frame2);
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gst_video_frame_unmap (&oframe);
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} else {
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outbuf = in2;
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gst_buffer_ref (in2);
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@ -556,9 +592,15 @@ not_negotiated:
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}
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input_formats_do_not_match:
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{
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GstCaps *caps1, *caps2;
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caps1 = gst_pad_get_current_caps (smpte->sinkpad1);
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caps2 = gst_pad_get_current_caps (smpte->sinkpad2);
|
||||
GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL),
|
||||
("input formats don't match: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT,
|
||||
GST_PAD_CAPS (smpte->sinkpad1), GST_PAD_CAPS (smpte->sinkpad2)));
|
||||
caps1, caps2));
|
||||
gst_caps_unref (caps1);
|
||||
gst_caps_unref (caps2);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@
|
|||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstcollectpads2.h>
|
||||
#include <gst/video/video.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
|
@ -65,6 +66,8 @@ struct _GstSMPTE {
|
|||
gdouble fps;
|
||||
gint fps_num;
|
||||
gint fps_denom;
|
||||
GstVideoInfo vinfo1;
|
||||
GstVideoInfo vinfo2;
|
||||
|
||||
/* state of the effect */
|
||||
gint position;
|
||||
|
|
|
|||
|
|
@ -63,19 +63,20 @@ static GstStaticPadTemplate gst_smpte_alpha_src_template =
|
|||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") ";"
|
||||
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
|
||||
GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_ARGB)
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("AYUV") ";"
|
||||
GST_VIDEO_CAPS_MAKE ("ARGB") ";" GST_VIDEO_CAPS_MAKE ("BGRA") ";"
|
||||
GST_VIDEO_CAPS_MAKE ("RGBA") ";" GST_VIDEO_CAPS_MAKE ("ARGB"))
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_smpte_alpha_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420") ";" GST_VIDEO_CAPS_YUV ("YV12")
|
||||
";" GST_VIDEO_CAPS_YUV ("AYUV")
|
||||
";" GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_RGBA
|
||||
";" GST_VIDEO_CAPS_ARGB)
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420") ";"
|
||||
GST_VIDEO_CAPS_MAKE ("YV12")
|
||||
";" GST_VIDEO_CAPS_MAKE ("AYUV")
|
||||
";" GST_VIDEO_CAPS_MAKE ("ARGB") ";" GST_VIDEO_CAPS_MAKE ("BGRA")
|
||||
";" GST_VIDEO_CAPS_MAKE ("RGBA") ";" GST_VIDEO_CAPS_MAKE ("ARGB"))
|
||||
);
|
||||
|
||||
/* SMPTE signals and properties */
|
||||
|
|
@ -142,40 +143,26 @@ static void gst_smpte_alpha_set_property (GObject * object, guint prop_id,
|
|||
static void gst_smpte_alpha_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
static gboolean gst_smpte_alpha_setcaps (GstBaseTransform * btrans,
|
||||
GstCaps * incaps, GstCaps * outcaps);
|
||||
static gboolean gst_smpte_alpha_get_unit_size (GstBaseTransform * btrans,
|
||||
GstCaps * caps, guint * size);
|
||||
static GstFlowReturn gst_smpte_alpha_transform (GstBaseTransform * trans,
|
||||
GstBuffer * in, GstBuffer * out);
|
||||
static gboolean gst_smpte_alpha_set_info (GstVideoFilter * vfilter,
|
||||
GstCaps * incaps, GstVideoInfo * in_info,
|
||||
GstCaps * outcaps, GstVideoInfo * out_info);
|
||||
static GstFlowReturn gst_smpte_alpha_transform_frame (GstVideoFilter * vfilter,
|
||||
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
|
||||
static void gst_smpte_alpha_before_transform (GstBaseTransform * trans,
|
||||
GstBuffer * buf);
|
||||
static GstCaps *gst_smpte_alpha_transform_caps (GstBaseTransform * trans,
|
||||
GstPadDirection direction, GstCaps * from);
|
||||
GstPadDirection direction, GstCaps * from, GstCaps * filter);
|
||||
|
||||
GST_BOILERPLATE (GstSMPTEAlpha, gst_smpte_alpha, GstVideoFilter,
|
||||
GST_TYPE_VIDEO_FILTER);
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_smpte_alpha_sink_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_smpte_alpha_src_template));
|
||||
gst_element_class_set_details_simple (element_class, "SMPTE transitions",
|
||||
"Filter/Editor/Video",
|
||||
"Apply the standard SMPTE transitions as alpha on video images",
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
}
|
||||
#define gst_smpte_alpha_parent_class parent_class
|
||||
G_DEFINE_TYPE (GstSMPTEAlpha, gst_smpte_alpha, GST_TYPE_VIDEO_FILTER);
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class = (GObjectClass *) klass;
|
||||
GstElementClass *element_class = (GstElementClass *) (klass);
|
||||
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
|
||||
GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
|
||||
|
||||
gobject_class->set_property = gst_smpte_alpha_set_property;
|
||||
gobject_class->get_property = gst_smpte_alpha_get_property;
|
||||
|
|
@ -212,14 +199,23 @@ gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass)
|
|||
"Invert transition mask", DEFAULT_PROP_POSITION,
|
||||
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_smpte_alpha_setcaps);
|
||||
trans_class->get_unit_size =
|
||||
GST_DEBUG_FUNCPTR (gst_smpte_alpha_get_unit_size);
|
||||
trans_class->transform = GST_DEBUG_FUNCPTR (gst_smpte_alpha_transform);
|
||||
trans_class->before_transform =
|
||||
GST_DEBUG_FUNCPTR (gst_smpte_alpha_before_transform);
|
||||
trans_class->transform_caps =
|
||||
GST_DEBUG_FUNCPTR (gst_smpte_alpha_transform_caps);
|
||||
|
||||
vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_smpte_alpha_set_info);
|
||||
vfilter_class->transform_frame =
|
||||
GST_DEBUG_FUNCPTR (gst_smpte_alpha_transform_frame);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_smpte_alpha_sink_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_smpte_alpha_src_template));
|
||||
gst_element_class_set_details_simple (element_class, "SMPTE transitions",
|
||||
"Filter/Editor/Video",
|
||||
"Apply the standard SMPTE transitions as alpha on video images",
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -269,7 +265,7 @@ mask_failed:
|
|||
}
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_init (GstSMPTEAlpha * smpte, GstSMPTEAlphaClass * klass)
|
||||
gst_smpte_alpha_init (GstSMPTEAlpha * smpte)
|
||||
{
|
||||
smpte->type = DEFAULT_PROP_TYPE;
|
||||
smpte->border = DEFAULT_PROP_BORDER;
|
||||
|
|
@ -280,14 +276,17 @@ gst_smpte_alpha_init (GstSMPTEAlpha * smpte, GstSMPTEAlphaClass * klass)
|
|||
|
||||
#define CREATE_ARGB_FUNC(name, A, R, G, B) \
|
||||
static void \
|
||||
gst_smpte_alpha_process_##name##_##name (GstSMPTEAlpha * smpte, const guint8 * in, \
|
||||
guint8 * out, GstMask * mask, gint width, gint height, gint border, \
|
||||
gint pos) \
|
||||
gst_smpte_alpha_process_##name##_##name (GstSMPTEAlpha * smpte, \
|
||||
const GstVideoFrame * in_frame, GstVideoFrame * out_frame, GstMask * mask, \
|
||||
gint border, gint pos) \
|
||||
{ \
|
||||
gint i, j; \
|
||||
const guint32 *maskp; \
|
||||
gint value; \
|
||||
gint min, max; \
|
||||
gint width, height; \
|
||||
guint8 *in, *out; \
|
||||
gint src_wrap, dest_wrap; \
|
||||
\
|
||||
if (border == 0) \
|
||||
border++; \
|
||||
|
|
@ -299,6 +298,14 @@ gst_smpte_alpha_process_##name##_##name (GstSMPTEAlpha * smpte, const guint8 * i
|
|||
\
|
||||
maskp = mask->data; \
|
||||
\
|
||||
width = GST_VIDEO_FRAME_WIDTH (out_frame); \
|
||||
height = GST_VIDEO_FRAME_HEIGHT (out_frame); \
|
||||
\
|
||||
in = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); \
|
||||
out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); \
|
||||
src_wrap = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0) - (width << 2); \
|
||||
dest_wrap = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0) - (width << 2); \
|
||||
\
|
||||
/* we basically copy the source to dest but we scale the alpha channel with \
|
||||
* the mask */ \
|
||||
for (i = 0; i < height; i++) { \
|
||||
|
|
@ -311,6 +318,8 @@ gst_smpte_alpha_process_##name##_##name (GstSMPTEAlpha * smpte, const guint8 * i
|
|||
out += 4; \
|
||||
in += 4; \
|
||||
} \
|
||||
in += src_wrap; \
|
||||
out += dest_wrap; \
|
||||
} \
|
||||
}
|
||||
|
||||
|
|
@ -320,14 +329,17 @@ CREATE_ARGB_FUNC (abgr, 0, 3, 2, 1);
|
|||
CREATE_ARGB_FUNC (rgba, 3, 0, 1, 2);
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_process_ayuv_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
||||
guint8 * out, GstMask * mask, gint width, gint height, gint border,
|
||||
gint pos)
|
||||
gst_smpte_alpha_process_ayuv_ayuv (GstSMPTEAlpha * smpte,
|
||||
const GstVideoFrame * in_frame, GstVideoFrame * out_frame, GstMask * mask,
|
||||
gint border, gint pos)
|
||||
{
|
||||
gint i, j;
|
||||
const guint32 *maskp;
|
||||
gint value;
|
||||
gint min, max;
|
||||
gint width, height;
|
||||
guint8 *in, *out;
|
||||
gint src_wrap, dest_wrap;
|
||||
|
||||
if (border == 0)
|
||||
border++;
|
||||
|
|
@ -339,6 +351,14 @@ gst_smpte_alpha_process_ayuv_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
|||
|
||||
maskp = mask->data;
|
||||
|
||||
width = GST_VIDEO_FRAME_WIDTH (out_frame);
|
||||
height = GST_VIDEO_FRAME_HEIGHT (out_frame);
|
||||
|
||||
in = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
|
||||
out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
|
||||
src_wrap = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0) - (width << 2);
|
||||
dest_wrap = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0) - (width << 2);
|
||||
|
||||
/* we basically copy the source to dest but we scale the alpha channel with
|
||||
* the mask */
|
||||
for (i = 0; i < height; i++) {
|
||||
|
|
@ -349,24 +369,28 @@ gst_smpte_alpha_process_ayuv_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
|||
*out++ = *in++;
|
||||
*out++ = *in++;
|
||||
}
|
||||
in += src_wrap;
|
||||
out += dest_wrap;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_process_i420_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
||||
guint8 * out, GstMask * mask, gint width, gint height, gint border,
|
||||
gint pos)
|
||||
gst_smpte_alpha_process_i420_ayuv (GstSMPTEAlpha * smpte,
|
||||
const GstVideoFrame * in_frame, GstVideoFrame * out_frame, GstMask * mask,
|
||||
gint border, gint pos)
|
||||
{
|
||||
const guint8 *srcY;
|
||||
const guint8 *srcU;
|
||||
const guint8 *srcV;
|
||||
guint8 *out;
|
||||
gint i, j;
|
||||
gint src_wrap, src_uv_wrap;
|
||||
gint y_stride, uv_stride;
|
||||
gint src_wrap, src_u_wrap, src_v_wrap, dest_wrap;
|
||||
gint y_stride, u_stride, v_stride;
|
||||
gboolean odd_width;
|
||||
const guint32 *maskp;
|
||||
gint value;
|
||||
gint min, max;
|
||||
gint width, height;
|
||||
|
||||
if (border == 0)
|
||||
border++;
|
||||
|
|
@ -378,17 +402,23 @@ gst_smpte_alpha_process_i420_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
|||
|
||||
maskp = mask->data;
|
||||
|
||||
y_stride = gst_video_format_get_row_stride (smpte->in_format, 0, width);
|
||||
uv_stride = gst_video_format_get_row_stride (smpte->in_format, 1, width);
|
||||
width = GST_VIDEO_FRAME_WIDTH (out_frame);
|
||||
height = GST_VIDEO_FRAME_HEIGHT (out_frame);
|
||||
|
||||
y_stride = GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0);
|
||||
u_stride = GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 1);
|
||||
v_stride = GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 2);
|
||||
|
||||
src_wrap = y_stride - width;
|
||||
src_uv_wrap = uv_stride - (width / 2);
|
||||
src_u_wrap = u_stride - (width / 2);
|
||||
src_v_wrap = v_stride - (width / 2);
|
||||
|
||||
srcY = in;
|
||||
srcU = in + gst_video_format_get_component_offset (smpte->in_format,
|
||||
1, width, height);
|
||||
srcV = in + gst_video_format_get_component_offset (smpte->in_format,
|
||||
2, width, height);
|
||||
srcY = GST_VIDEO_FRAME_COMP_DATA (in_frame, 0);
|
||||
srcU = GST_VIDEO_FRAME_COMP_DATA (in_frame, 1);
|
||||
srcV = GST_VIDEO_FRAME_COMP_DATA (in_frame, 2);
|
||||
|
||||
out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
|
||||
dest_wrap = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0) - (width << 2);
|
||||
|
||||
odd_width = (width % 2 != 0);
|
||||
|
||||
|
|
@ -417,10 +447,11 @@ gst_smpte_alpha_process_i420_ayuv (GstSMPTEAlpha * smpte, const guint8 * in,
|
|||
srcU -= width / 2;
|
||||
srcV -= width / 2;
|
||||
} else {
|
||||
srcU += src_uv_wrap;
|
||||
srcV += src_uv_wrap;
|
||||
srcU += src_u_wrap;
|
||||
srcV += src_v_wrap;
|
||||
}
|
||||
srcY += src_wrap;
|
||||
out += dest_wrap;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -443,27 +474,24 @@ gst_smpte_alpha_before_transform (GstBaseTransform * trans, GstBuffer * buf)
|
|||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_smpte_alpha_transform (GstBaseTransform * trans, GstBuffer * in,
|
||||
GstBuffer * out)
|
||||
gst_smpte_alpha_transform_frame (GstVideoFilter * vfilter,
|
||||
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
|
||||
{
|
||||
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (trans);
|
||||
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (vfilter);
|
||||
gdouble position;
|
||||
gint border;
|
||||
|
||||
if (G_UNLIKELY (!smpte->process))
|
||||
goto not_negotiated;
|
||||
|
||||
/* these are the propertis we update with only the object lock, others are
|
||||
* only updated with the TRANSFORM_LOCK. */
|
||||
GST_OBJECT_LOCK (smpte);
|
||||
position = smpte->position;
|
||||
border = smpte->border;
|
||||
GST_OBJECT_UNLOCK (smpte);
|
||||
|
||||
/* run the type specific filter code */
|
||||
smpte->process (smpte, GST_BUFFER_DATA (in), GST_BUFFER_DATA (out),
|
||||
smpte->mask, smpte->width, smpte->height, border,
|
||||
((1 << smpte->depth) + border) * position);
|
||||
smpte->process (smpte, in_frame, out_frame,
|
||||
smpte->mask, border, ((1 << smpte->depth) + border) * position);
|
||||
GST_OBJECT_UNLOCK (smpte);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
|
||||
|
|
@ -478,56 +506,126 @@ not_negotiated:
|
|||
|
||||
static GstCaps *
|
||||
gst_smpte_alpha_transform_caps (GstBaseTransform * trans,
|
||||
GstPadDirection direction, GstCaps * from)
|
||||
GstPadDirection direction, GstCaps * from, GstCaps * filter)
|
||||
{
|
||||
GstCaps *to = gst_caps_copy (from);
|
||||
GstStructure *s;
|
||||
GstCaps *result, *tmp_caps, *tmpl_caps = NULL;
|
||||
gint i, j;
|
||||
|
||||
gst_caps_truncate (to);
|
||||
s = gst_caps_get_structure (to, 0);
|
||||
tmp_caps = gst_caps_new_empty ();
|
||||
|
||||
if (gst_structure_has_name (s, "video/x-raw-yuv")) {
|
||||
for (i = 0; i < gst_caps_get_size (from); i++) {
|
||||
GstStructure *structure;
|
||||
const GValue *val, *lval;
|
||||
GValue list = { 0, };
|
||||
GValue val = { 0, };
|
||||
GValue aval = { 0, };
|
||||
const gchar *str;
|
||||
|
||||
gst_structure_remove_field (s, "format");
|
||||
structure = gst_structure_copy (gst_caps_get_structure (from, i));
|
||||
/* we can transform I420 to AYUV,
|
||||
* so need to locate and substitute AYUV for the both of them */
|
||||
val = gst_structure_get_value (structure, "format");
|
||||
if (val && GST_VALUE_HOLDS_LIST (val)) {
|
||||
gboolean seen_ayuv = FALSE, seen_i420 = FALSE;
|
||||
|
||||
g_value_init (&list, GST_TYPE_LIST);
|
||||
g_value_init (&val, GST_TYPE_FOURCC);
|
||||
gst_value_set_fourcc (&val, GST_STR_FOURCC ("AYUV"));
|
||||
gst_value_list_append_value (&list, &val);
|
||||
g_value_reset (&val);
|
||||
gst_value_set_fourcc (&val, GST_STR_FOURCC ("I420"));
|
||||
gst_value_list_append_value (&list, &val);
|
||||
g_value_reset (&val);
|
||||
gst_value_set_fourcc (&val, GST_STR_FOURCC ("YV12"));
|
||||
gst_value_list_append_value (&list, &val);
|
||||
g_value_unset (&val);
|
||||
gst_structure_set_value (s, "format", &list);
|
||||
g_value_unset (&list);
|
||||
} else if (!gst_structure_has_name (s, "video/x-raw-rgb")) {
|
||||
gst_caps_unref (to);
|
||||
to = gst_caps_new_empty ();
|
||||
g_value_init (&list, GST_TYPE_LIST);
|
||||
for (j = 0; j < gst_value_list_get_size (val); j++) {
|
||||
lval = gst_value_list_get_value (val, j);
|
||||
if ((str = g_value_get_string (lval))) {
|
||||
if (strcmp (str, "AYUV") == 0) {
|
||||
seen_ayuv = TRUE;
|
||||
} else if (strcmp (str, "I420") == 0) {
|
||||
seen_i420 = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (seen_ayuv && !seen_i420) {
|
||||
str = "I420";
|
||||
} else if (seen_i420 && !seen_ayuv) {
|
||||
str = "AYUV";
|
||||
} else
|
||||
str = NULL;
|
||||
if (str) {
|
||||
g_value_copy (val, &list);
|
||||
g_value_init (&aval, G_TYPE_STRING);
|
||||
g_value_set_string (&aval, str);
|
||||
gst_value_list_append_value (&list, &aval);
|
||||
g_value_reset (&aval);
|
||||
gst_structure_set_value (structure, "format", &list);
|
||||
g_value_unset (&list);
|
||||
}
|
||||
} else if (val && G_VALUE_HOLDS_STRING (val)) {
|
||||
if ((str = g_value_get_string (val)) &&
|
||||
((strcmp (str, "AYUV") == 0) || (strcmp (str, "I420") == 0))) {
|
||||
g_value_init (&list, GST_TYPE_LIST);
|
||||
g_value_init (&aval, G_TYPE_STRING);
|
||||
g_value_set_string (&aval, "AYUV");
|
||||
gst_value_list_append_value (&list, &aval);
|
||||
g_value_reset (&aval);
|
||||
g_value_set_string (&aval, "I420");
|
||||
gst_value_list_append_value (&list, &aval);
|
||||
g_value_reset (&aval);
|
||||
gst_structure_set_value (structure, "format", &list);
|
||||
g_value_unset (&list);
|
||||
}
|
||||
} else {
|
||||
gst_structure_remove_field (structure, "format");
|
||||
}
|
||||
|
||||
gst_structure_remove_field (structure, "color-matrix");
|
||||
gst_structure_remove_field (structure, "chroma-site");
|
||||
|
||||
gst_caps_append_structure (tmp_caps, structure);
|
||||
}
|
||||
|
||||
return to;
|
||||
/* Get the appropriate template */
|
||||
if (direction == GST_PAD_SINK) {
|
||||
tmpl_caps =
|
||||
gst_static_pad_template_get_caps (&gst_smpte_alpha_src_template);
|
||||
} else if (direction == GST_PAD_SRC) {
|
||||
tmpl_caps =
|
||||
gst_static_pad_template_get_caps (&gst_smpte_alpha_sink_template);
|
||||
} else {
|
||||
g_assert_not_reached ();
|
||||
}
|
||||
|
||||
/* Intersect with our template caps */
|
||||
result = gst_caps_intersect (tmp_caps, tmpl_caps);
|
||||
gst_caps_unref (tmpl_caps);
|
||||
gst_caps_unref (tmp_caps);
|
||||
|
||||
result = gst_caps_simplify (result);
|
||||
|
||||
GST_LOG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT,
|
||||
from, result);
|
||||
|
||||
if (filter) {
|
||||
GstCaps *intersection;
|
||||
|
||||
GST_DEBUG_OBJECT (trans, "Using filter caps %" GST_PTR_FORMAT, filter);
|
||||
intersection =
|
||||
gst_caps_intersect_full (filter, result, GST_CAPS_INTERSECT_FIRST);
|
||||
gst_caps_unref (result);
|
||||
result = intersection;
|
||||
GST_DEBUG_OBJECT (trans, "Intersection %" GST_PTR_FORMAT, result);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_smpte_alpha_setcaps (GstBaseTransform * btrans, GstCaps * incaps,
|
||||
GstCaps * outcaps)
|
||||
gst_smpte_alpha_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
|
||||
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
|
||||
{
|
||||
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (btrans);
|
||||
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (vfilter);
|
||||
gboolean ret;
|
||||
gint width, height;
|
||||
|
||||
smpte->process = NULL;
|
||||
|
||||
if (!gst_video_format_parse_caps (incaps, &smpte->in_format, &width, &height))
|
||||
goto invalid_caps;
|
||||
if (!gst_video_format_parse_caps (outcaps, &smpte->out_format, &width,
|
||||
&height))
|
||||
goto invalid_caps;
|
||||
smpte->in_format = GST_VIDEO_INFO_FORMAT (in_info);
|
||||
smpte->out_format = GST_VIDEO_INFO_FORMAT (out_info);
|
||||
smpte->width = width = GST_VIDEO_INFO_WIDTH (out_info);
|
||||
smpte->height = height = GST_VIDEO_INFO_HEIGHT (out_info);
|
||||
|
||||
/* try to update the mask now, this will also adjust the width/height on
|
||||
* success */
|
||||
|
|
@ -595,11 +693,6 @@ gst_smpte_alpha_setcaps (GstBaseTransform * btrans, GstCaps * incaps,
|
|||
return ret;
|
||||
|
||||
/* ERRORS */
|
||||
invalid_caps:
|
||||
{
|
||||
GST_ERROR_OBJECT (smpte, "Invalid caps: %" GST_PTR_FORMAT, incaps);
|
||||
return FALSE;
|
||||
}
|
||||
mask_failed:
|
||||
{
|
||||
GST_ERROR_OBJECT (smpte, "failed creating the mask");
|
||||
|
|
@ -607,21 +700,6 @@ mask_failed:
|
|||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_smpte_alpha_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
|
||||
guint * size)
|
||||
{
|
||||
gint width, height;
|
||||
GstVideoFormat format;
|
||||
|
||||
if (!gst_video_format_parse_caps (caps, &format, &width, &height))
|
||||
return FALSE;
|
||||
|
||||
*size = gst_video_format_get_size (format, width, height);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_smpte_alpha_finalize (GstSMPTEAlpha * smpte)
|
||||
{
|
||||
|
|
@ -644,12 +722,10 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
|
|||
|
||||
type = g_value_get_enum (value);
|
||||
|
||||
GST_BASE_TRANSFORM_LOCK (smpte);
|
||||
GST_OBJECT_LOCK (smpte);
|
||||
gst_smpte_alpha_update_mask (smpte, type, smpte->invert,
|
||||
smpte->depth, smpte->width, smpte->height);
|
||||
GST_OBJECT_UNLOCK (smpte);
|
||||
GST_BASE_TRANSFORM_UNLOCK (smpte);
|
||||
break;
|
||||
}
|
||||
case PROP_BORDER:
|
||||
|
|
@ -662,14 +738,10 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
|
|||
|
||||
depth = g_value_get_int (value);
|
||||
|
||||
GST_BASE_TRANSFORM_LOCK (smpte);
|
||||
/* also lock with the object lock so that reading the property doesn't
|
||||
* have to wait for the transform lock */
|
||||
GST_OBJECT_LOCK (smpte);
|
||||
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->invert,
|
||||
depth, smpte->width, smpte->height);
|
||||
GST_OBJECT_UNLOCK (smpte);
|
||||
GST_BASE_TRANSFORM_UNLOCK (smpte);
|
||||
break;
|
||||
}
|
||||
case PROP_POSITION:
|
||||
|
|
@ -681,14 +753,10 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
|
|||
gboolean invert;
|
||||
|
||||
invert = g_value_get_boolean (value);
|
||||
GST_BASE_TRANSFORM_LOCK (smpte);
|
||||
/* also lock with the object lock so that reading the property doesn't
|
||||
* have to wait for the transform lock */
|
||||
GST_OBJECT_LOCK (smpte);
|
||||
gst_smpte_alpha_update_mask (smpte, smpte->type, invert,
|
||||
smpte->depth, smpte->width, smpte->height);
|
||||
GST_OBJECT_UNLOCK (smpte);
|
||||
GST_BASE_TRANSFORM_UNLOCK (smpte);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -63,8 +63,8 @@ struct _GstSMPTEAlpha {
|
|||
GstMask *mask;
|
||||
|
||||
/* processing function */
|
||||
void (*process) (GstSMPTEAlpha * smpte, const guint8 * in, guint8 * out,
|
||||
GstMask * mask, gint width, gint height, gint border, gint pos);
|
||||
void (*process) (GstSMPTEAlpha * smpte, const GstVideoFrame * in, GstVideoFrame * out,
|
||||
GstMask * mask, gint border, gint pos);
|
||||
};
|
||||
|
||||
struct _GstSMPTEAlphaClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue