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glvideomixer: override sink pad template

Browse source 
Allow us to pass the GType of its pad and so
improve the documentation when inspecting glvideomixer.

Fix #1253

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2527>
This commit is contained in:
Guillaume Desmottes 2022-06-03 11:40:35 +02:00 committed by GStreamer Marge Bot
parent 87ae60176b
commit e87a2c38c0
3 changed files with 326 additions and 1 deletions
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18
subprojects/gst-docs/symbols/symbol_index.json
View file

@ -10397,6 +10397,24 @@
"GstGLVideoMixerBlendFunction::src-alpha-saturate",
"GstGLVideoMixerBlendFunction::src-color",
"GstGLVideoMixerBlendFunction::zero",
"GstGLVideoMixerInput",
"GstGLVideoMixerInput:alpha",
"GstGLVideoMixerInput:blend-constant-color-alpha",
"GstGLVideoMixerInput:blend-constant-color-blue",
"GstGLVideoMixerInput:blend-constant-color-green",
"GstGLVideoMixerInput:blend-constant-color-red",
"GstGLVideoMixerInput:blend-equation-alpha",
"GstGLVideoMixerInput:blend-equation-rgb",
"GstGLVideoMixerInput:blend-function-dst-alpha",
"GstGLVideoMixerInput:blend-function-dst-rgb",
"GstGLVideoMixerInput:blend-function-src-alpha",
"GstGLVideoMixerInput:blend-function-src-rgb",
"GstGLVideoMixerInput:height",
"GstGLVideoMixerInput:repeat-after-eos",
"GstGLVideoMixerInput:width",
"GstGLVideoMixerInput:xpos",
"GstGLVideoMixerInput:ypos",
"GstGLVideoMixerInput:zorder",
"GstGLVideoMixerPad",
"GstGLVideoMixerPad:alpha",
"GstGLVideoMixerPad:blend-constant-color-alpha",

297
subprojects/gst-plugins-base/docs/plugins/gst_plugins_cache.json
View file

@ -6651,7 +6651,8 @@
"sink_%%u": {
"caps": "video/x-raw(memory:GLMemory, meta:GstVideoOverlayComposition):\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:DMABuf, meta:GstVideoOverlayComposition):\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:SystemMemory, meta:GstVideoOverlayComposition):\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(meta:GstVideoGLTextureUploadMeta, meta:GstVideoOverlayComposition):\n format: RGBA\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:GLMemory):\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:DMABuf):\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\nvideo/x-raw:\n format: { RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, GBRA, GBR, RGBP, BGRP, RGB, BGR, RGB16, BGR16, AYUV, VUYA, Y410, I420, YV12, NV12, NV21, NV16, NV61, YUY2, UYVY, Y210, Y41B, Y42B, Y444, GRAY8, GRAY16_LE, GRAY16_BE, ARGB64, A420, AV12, NV12_16L32S, NV12_4L4, BGR10A2_LE, RGB10A2_LE, P010_10LE, P012_LE, P016_LE, Y212_LE, Y412_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(meta:GstVideoGLTextureUploadMeta):\n format: RGBA\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n",
"direction": "sink",
"presence": "request"
"presence": "request",
"type": "GstGLVideoMixerInput"
},
"src": {
"caps": "video/x-raw(ANY):\n",
@ -7394,6 +7395,300 @@
}
]
},
"GstGLVideoMixerInput": {
"hierarchy": [
"GstGLVideoMixerInput",
"GstGhostPad",
"GstProxyPad",
"GstPad",
"GstObject",
"GInitiallyUnowned",
"GObject"
],
"kind": "object",
"properties": {
"alpha": {
"blurb": "Alpha of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gdouble",
"writable": true
},
"blend-constant-color-alpha": {
"blurb": "Blend Constant Color Alpha",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gdouble",
"writable": true
},
"blend-constant-color-blue": {
"blurb": "Blend Constant Color Green",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gdouble",
"writable": true
},
"blend-constant-color-green": {
"blurb": "Blend Constant Color Green",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gdouble",
"writable": true
},
"blend-constant-color-red": {
"blurb": "Blend Constant Color Red",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gdouble",
"writable": true
},
"blend-equation-alpha": {
"blurb": "Blend Equation for Alpha",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "add (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendEquation",
"writable": true
},
"blend-equation-rgb": {
"blurb": "Blend Equation for RGB",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "add (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendEquation",
"writable": true
},
"blend-function-dst-alpha": {
"blurb": "Blend Function for Destination Alpha",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "zero (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendFunction",
"writable": true
},
"blend-function-dst-rgb": {
"blurb": "Blend Function for Destination RGB",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "zero (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendFunction",
"writable": true
},
"blend-function-src-alpha": {
"blurb": "Blend Function for Source Alpha",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "zero (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendFunction",
"writable": true
},
"blend-function-src-rgb": {
"blurb": "Blend Function for Source RGB",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "zero (0)",
"mutable": "null",
"readable": true,
"type": "GstGLVideoMixerBlendFunction",
"writable": true
},
"crop-bottom": {
"blurb": "Crop bottom of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"crop-left": {
"blurb": "Crop left of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"crop-right": {
"blurb": "Crop right of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"crop-top": {
"blurb": "Crop top of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "0",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"height": {
"blurb": "Height of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "-2147483648",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"repeat-after-eos": {
"blurb": "Aggregate the last frame on pads that are EOS till they are released",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "false",
"mutable": "null",
"readable": true,
"type": "gboolean",
"writable": true
},
"width": {
"blurb": "Width of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "-2147483648",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"xpos": {
"blurb": "X Position of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "-2147483648",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"ypos": {
"blurb": "Y Position of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "2147483647",
"min": "-2147483648",
"mutable": "null",
"readable": true,
"type": "gint",
"writable": true
},
"zorder": {
"blurb": "Z Order of the picture",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": true,
"default": "0",
"max": "10000",
"min": "0",
"mutable": "null",
"readable": true,
"type": "guint",
"writable": true
}
}
},
"GstGLVideoMixerPad": {
"hierarchy": [
"GstGLVideoMixerPad",

12
subprojects/gst-plugins-base/ext/gl/gstglvideomixer.c
View file

@ -465,6 +465,7 @@ gst_gl_video_mixer_bin_class_init (GstGLVideoMixerBinClass * klass)
GstGLMixerBinClass *mixer_class = GST_GL_MIXER_BIN_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstCaps *upload_caps;
mixer_class->create_input_pad = _create_video_mixer_input;
@ -476,9 +477,20 @@ gst_gl_video_mixer_bin_class_init (GstGLVideoMixerBinClass * klass)
GST_TYPE_GL_VIDEO_MIXER_BACKGROUND,
DEFAULT_BACKGROUND, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* override the sink_%u pad template from GstGLMixerBin.
* We pass it the GType of our sink pad so it's properly documented when
* inspecting the element. */
upload_caps = gst_gl_upload_get_input_template_caps ();
gst_element_class_add_pad_template (element_class,
gst_pad_template_new_with_gtype ("sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
upload_caps, gst_gl_video_mixer_input_get_type ()));
gst_caps_unref (upload_caps);
gst_element_class_set_metadata (element_class, "OpenGL video_mixer bin",
"Bin/Filter/Effect/Video/Compositor", "OpenGL video_mixer bin",
"Matthew Waters <matthew@centricular.com>");
gst_type_mark_as_plugin_api (gst_gl_video_mixer_input_get_type (), 0);
}
static void