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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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tests: add visual overlay composition blending test
Shows visual result of blending a logo on top of a video surface, esp. when the logo is partially outside of the video surface and needs to be clipped. https://bugzilla.gnome.org/show_bug.cgi?id=739281
This commit is contained in:
Tim-Philipp Müller
parent
c61604fd9b
commit
07f254e4b2
3 changed files with 295 additions and 1 deletions
1
tests/icles/.gitignore
vendored
1
tests/icles/.gitignore
vendored
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@ -6,6 +6,7 @@ position-formats
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stress-playbin
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stress-videooverlay
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test-effect-switch
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test-overlay-blending
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test-textoverlay
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test-scale
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test-box
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@ -76,6 +76,14 @@ test_effect_switch_SOURCES = test-effect-switch.c
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test_effect_switch_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
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test_effect_switch_LDADD = $(GST_LIBS)
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test_overlay_blending_SOURCES = test-overlay-blending.c
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test_overlay_blending_CFLAGS = \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_CFLAGS) $(GIO_CFLAGS)
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test_overlay_blending_LDADD = \
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$(top_builddir)/gst-libs/gst/video/libgstvideo-$(GST_API_VERSION).la \
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$(GST_LIBS) $(GIO_LIBS)
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test_scale_SOURCES = test-scale.c
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test_scale_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
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test_scale_LDADD = $(GST_LIBS) $(LIBM)
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@ -86,4 +94,4 @@ test_box_LDADD = $(GST_LIBS) $(LIBM)
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noinst_PROGRAMS = $(X_TESTS) $(PANGO_TESTS) \
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audio-trickplay playbin-text position-formats stress-playbin \
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test-scale test-box test-effect-switch
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test-scale test-box test-effect-switch test-overlay-blending
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285
tests/icles/test-overlay-blending.c
Normal file
285
tests/icles/test-overlay-blending.c
Normal file
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@ -0,0 +1,285 @@
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/* GStreamer video overlay composition blending test app
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* Copyright (C) 2014 Tim-Philipp Müller <tim centricular com>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gio/gio.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#define X_START -230
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#define X_END (720 + 230)
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#define Y_START -25
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#define Y_END (480 + 58)
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#define X_INC 1
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#define Y_INC 3
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/* GdkPixbuf RGBA C-Source image dump from gdk-pixbuf-csource --raw,
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* gzipped and then base64 encoded */
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const gchar gzipped_pixdata_base64[] =
|
||||
"H4sICPX/Z1QAA2xvZ28ucGl4AO2dsZHrNhCG+ewK2II64ClyrhmnTtSBh4kLUOLQAUuwEhSgFtiA"
|
||||
"A7agwA2wBT5AXJ5w4P5LgKLEO97ezDf2SCAIAftjFwuQ7/c///ojy/77+8eP7Jcs+/WfLMv+t/zW"
|
||||
"dV32pSmK3HK6sXZbFOXV9PZfWipLbWksHdHQZxVpZP+Ee7u62/d7rt0fivIqimJnOX+w/zhauq68"
|
||||
"aWjevfdUR1h3vXq/KMqzufueFN1J1FE+stf8KfCzobZ3q/ePojyT3v8gDSyB09GFND7g/N014rpl"
|
||||
"41xF+Wz0/i817nwFjepP+Rb0PnDwOUOehePyQq1eurlrSkXZOkVx7OblbGK43upf+zcqyldhOT22"
|
||||
"5GvV9ynKXIriQDpKye242Ldcve2KskX6deaRWVeebnpdu32Koryc4t/iaKksmm9Vvg3W3neWk+Vs"
|
||||
"qS2tpSOu9NmZtLG4f7R15paS7jXct1q7XxTl2ZDd157dp1A/6q9I+1Wg+QH1g8pmcb7M0szUHseV"
|
||||
"/KTTtJg39XyudH/NASmbhfzOUtqTNHmhew1cglhT9ad8O16kv7m4eFT3/pVNQ77IX8shLgW/RnsW"
|
||||
"Li7V5y4UJaDo9wnOT9Sjq1fzn4oSQXHft4tZ00Vpr5jI3yiKwmO1sy/63GZKzNpS+dVyLsaYneVk"
|
||||
"Ud+rbIqi32M/kC7DtaXzn6vt9Vm95ZbS0lg64rx2nynKdyHQ3oC+A06ZxdtbkztWundpqS1fKo5j"
|
||||
"9OfQ8+jKJNbW987eye47QGO5WE6u/BPakJP2rt4927X7JhanNaBBzQUpEMbmU2hJk66O2ftt7lrS"
|
||||
"f8vc4yl+0P7llspyWapOl3th9Hdde4yVz4m17eMD2pP8ZBXjI0l3J7oG1Rf1DlH7dyBOpKuB2+dB"
|
||||
"2ZzKXS3ugw9+lnKZB49oH2bL1owGH9K4vX5P7Yg+0+O1/Uj/XSRm8ep9Ws6LclrRfe+N1+xYIxjz"
|
||||
"49Jrh6D+m68inSypPeQja7pXRZp3/z1P6M7XM+xX+7eznElHc3E63Hv2xWmoo89H4yLEnpDg+orq"
|
||||
"DsnJFq7oWqYtLhd7sbTg3i3dL2VO2Xlt5Oo7DzY1Uc8VtOng9eMZtP0ctpnmJa787Tcm/jbUtmHc"
|
||||
"xfmG+p0bwz0R9t1hYr33WTgj/ZEfe1R7HfnJ3NNCjIbKoP8f1SBn2w2Nq3htYI9o7uBopnRI9nmO"
|
||||
"rM/ZveijhWulee+DFrx2xZSHe0Gmn99ix5sd96A+1E97w88pB8bX1ABubfYK4DxG+msYPbWWksqU"
|
||||
"gu5a0u/O68PQ3t99hWF8kW9vC2gQaWTyWtD2sB5UVzOhGeRLJR2y/pB0k9RHgCqxXaP2kP5Qn9TU"
|
||||
"n+He7rumwO/j5oSr0FanQZf/jIp33+650qXXjSj2FP2+y58AbYVrPs5PjuyOxsTvq5H+yYb8Mofg"
|
||||
"u8rgmKb2vq/C+lPtMLj2KOjBbyPSqTS3N9T2Y/D5SbAtdt1r4uapoZ9ife+VroHzlQn2ZCf0dw7K"
|
||||
"7rk2Cn2VMo6z15pP1KPzt5N72LT+4/Q36hv7d+R8INN/oR2zdunZEcyvANuEPj3SNlkNmvHcIY6x"
|
||||
"4eeHWbkiSfugvBT3jeLYifKdCdaHggbC+Q7Vi+YOriznW5PG8BENAj3G5FYQTsslWvcxuqqABke6"
|
||||
"oXzoqGyEfcC1kunnXRRvcfOm2N9mOo4szX1df/DnB4P9BbsOMmANNXf8F9TgaB1p5LlppBehfr+/"
|
||||
"0PiwuhJ+Y+hbpXpbGsNbLtTcc66LPzP31u+rDznPesJPDnnS5Ny2oMGRnSdoEOVERjpE2qTvTmAc"
|
||||
"pGuQ7Yg5EyP7QDY3gjQozREzNIhiNXTv1Ni1BeOCyvvxOJqzUJtzUD6MWaX1wKd4P9HbgmfdhFwL"
|
||||
"p0FOr9x6EOngmtKHpt8TGNUxcQ2yTXGeNLL/lHz4Qxo09/0tNN8gH4zainIcyK7ZuF7Q4D6iDal1"
|
||||
"1kE5ZD+bfD+DsB48BuXy7L7//mEvgulrKWd3iyUi7ZPzS+J6C1wz+XyFkfMWB0D02tHrl2FfMDYX"
|
||||
"yfUvitXg2QvBrlHMyM4JEW3oqC+5/orymwbEUWtr5ck65PKidVCGy4leh71AZgwlv9JN6VDQsZSP"
|
||||
"QddM+iUw7nM5BHWn7jWKbRf6VsrJcjEFtGug2dr7HvntOYQa5OanTT8jY//2tMcXauxCuVBOo+9n"
|
||||
"YYRxnNIhvN7g2AnGI+iamD4w6bnwqN810QctaUM6V8LlDJFPk9a7qfllzmdVEW2Yg18vmkc/xTrw"
|
||||
"yTqU9uDD/fgK+b9EHcK1nTDGcF0Hrok6Gyu00c33KBZlifztYY6fPbcG2poUqwl2LeWXuXv4OVEp"
|
||||
"95XUX/6Yoj5bWx8v0F8OfN3g72rS3TFWewk6RHuHXOwkjoXhfVnsOcdFc5xUJ/Jto7gKlEX5xUlN"
|
||||
"x/T/RNvFvhA0GDXnCfedPY9+ZUhjvu4Wfy5P0CHKoXGaEMci1TYj7sfqJbI+uBfwSNuFelPPXkp+"
|
||||
"k823BGXQWuGh3AmYRzf9zpKMOfvyYB8uEiuC8ZXO00zuZ020G83rs8Y/xU8gmwcaRPVKa+uk/LLh"
|
||||
"8y1NUEbKfc+aww3eP/xS73xIBez5XbKPzwuW3H4h6Ec3j6E9ba6PkR9MGgvBNmPbLeXa58TfKRqM"
|
||||
"brtJPJuTom/vGm4dwJ2lQXmsWe/cM4l7mFtBOCcjPR+B9iMGW4LnGWLHa4bdzNqbj6wj2QYEXYX+"
|
||||
"JPWMKlcOvpdEaIcUu0blUA1eX7Bnbx7os02/N4iLRSMY7QuacWwSc24YjhXQgxQ/sT4s0QbQs2kO"
|
||||
"dl1o+hiYs09p/8x/7kPaqw/3GZGfkPbmka9C5wiQ30RzJdp3R2cTh3MKozk6ta1bgfYGUzU42sMX"
|
||||
"xsP1q4ttuLxfci7Ps18/RwfPI6f2x4QOG087/m8arRlN2vN9yP+G5yiTcpETbUBxCpo7kGZzof3D"
|
||||
"OwGG56ca7/NwDkdrwc1qUNiXT4Hrx9hn1WLOj0n7wDF7Vcka9Gw39lyL9Gz51P78ebAv1G9BfWiv"
|
||||
"A2kQ+mKhzbP2aEz8s8DsmWGDfbxjc/+OENDfib4b3uNUejmZqGd8g/5EY3k1CWt2cz9nONR380XM"
|
||||
"+HPvHlnivU/ce19aA96FA/TsP2984q6jcpeg/f75kTyoxwfFiSW6ZkJLHDHvt8np93Hv3xliCLT2"
|
||||
"OIEx3OTeILMf2EztCYKYNcYG2fMQivKdYbQUpY1s/M6ZTcbpivJMMv5Zpdhn7mdpV1GUO1l/NjTU"
|
||||
"Usx7Z8Iz3ZuM0xXlFWT8s4CsDkmzJZPD0ThUUWaSye8THZ6RqOj/uf2L1f79T0XZCpn8vJJ0Pkb9"
|
||||
"n6IsCOVoBp/HvS+moe83+T4dRVEUZRmyn2F9swl9yAAA";
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static guint8 *pixdata;
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static gsize pixdata_size;
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static GMainLoop *main_loop;
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static gint x, y;
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static GstVideoOverlayComposition *
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create_overlay_composition (guint x, guint y)
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{
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GstVideoOverlayComposition *logo_comp;
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GstVideoOverlayRectangle *logo_rect;
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const guint8 *p = pixdata;
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GstBuffer *logo_pixels;
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//const header_size = 24;
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guint w, h, stride;
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/* 0: Pixbuf magic (0x47646b50) */
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g_assert (GST_READ_UINT32_BE (p) == 0x47646b50);
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/* 4: length incl. header */
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/* 8: pixdata_type */
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/* 12: rowstride (900) */
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stride = GST_READ_UINT32_BE (p + 12);
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/* 16: width (225) */
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w = GST_READ_UINT32_BE (p + 16);
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/* 20: height (57) */
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h = GST_READ_UINT32_BE (p + 20);
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/* 24: pixel_data */
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GST_LOG ("%dx%d @ %d", w, h, stride);
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/* we assume that the last line also has padding at the end */
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g_assert (pixdata_size - 24 >= h * stride);
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logo_pixels = gst_buffer_new_and_alloc (h * stride);
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gst_buffer_fill (logo_pixels, 0, p + 24, h * stride);
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gst_buffer_add_video_meta (logo_pixels, GST_VIDEO_FRAME_FLAG_NONE,
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GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, w, h);
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logo_rect = gst_video_overlay_rectangle_new_raw (logo_pixels,
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x, y, w, h, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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gst_buffer_unref (logo_pixels);
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logo_comp = gst_video_overlay_composition_new (logo_rect);
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gst_video_overlay_rectangle_unref (logo_rect);
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return logo_comp;
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}
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static gboolean
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bus_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
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{
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GMainLoop *loop = user_data;
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switch (GST_MESSAGE_TYPE (msg)) {
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case GST_MESSAGE_ERROR:{
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GError *err = NULL;
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gchar *dbg;
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gst_message_parse_error (msg, &err, &dbg);
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gst_object_default_error (msg->src, err, dbg);
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g_error_free (err);
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g_free (dbg);
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g_main_loop_quit (loop);
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break;
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}
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default:
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break;
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}
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return TRUE;
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}
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static gboolean
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update_position (void)
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{
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x += X_INC;
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if (x < X_END)
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return TRUE;
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x = X_START;
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y += Y_INC;
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if (y < Y_END)
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return TRUE;
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return FALSE;
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}
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static GstPadProbeReturn
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buffer_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
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{
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GstVideoOverlayComposition *comp;
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GstVideoFrame frame;
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GstVideoInfo vinfo;
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GstCaps *caps;
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if (!update_position ()) {
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g_main_loop_quit (main_loop);
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goto out;
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}
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caps = gst_pad_get_current_caps (pad);
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gst_video_info_from_caps (&vinfo, caps);
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gst_caps_unref (caps);
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info->data = gst_buffer_make_writable (info->data);
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GST_LOG ("%3d, %3d", x, y);
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comp = create_overlay_composition (x, y);
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gst_video_frame_map (&frame, &vinfo, info->data, GST_MAP_READWRITE);
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if (!gst_video_overlay_composition_blend (comp, &frame))
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g_warning ("Error blending overlay at position (%d,%d)", x, y);
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gst_video_frame_unmap (&frame);
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gst_video_overlay_composition_unref (comp);
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out:
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return GST_PAD_PROBE_OK;
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}
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int
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main (int argc, char **argv)
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{
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GOptionEntry options[] = {
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{NULL}
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};
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GOptionContext *ctx;
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GError *err = NULL;
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GstElement *src, *q, *capsfilter, *sink;
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GstElement *pipeline;
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GstPad *src_pad;
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GZlibDecompressor *decompress;
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GConverterResult decomp_res;
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guchar *gzipped_pixdata;
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gsize gzipped_size, bytes_read;
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gzipped_pixdata = g_base64_decode (gzipped_pixdata_base64, &gzipped_size);
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g_assert (gzipped_pixdata != NULL);
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pixdata = g_malloc (64 * 1024);
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decompress = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP);
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decomp_res = g_converter_convert (G_CONVERTER (decompress),
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gzipped_pixdata, gzipped_size, pixdata, 64 * 1024,
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G_CONVERTER_INPUT_AT_END, &bytes_read, &pixdata_size, NULL);
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g_assert (decomp_res == G_CONVERTER_FINISHED);
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g_assert (bytes_read == gzipped_size);
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g_free (gzipped_pixdata);
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ctx = g_option_context_new ("");
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g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
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g_option_context_add_group (ctx, gst_init_get_option_group ());
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if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
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g_print ("Error initializing: %s\n", err->message);
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return 1;
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}
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g_option_context_free (ctx);
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main_loop = g_main_loop_new (NULL, FALSE);
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pipeline = gst_pipeline_new ("pipeline");
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src = gst_element_factory_make ("videotestsrc", NULL);
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gst_util_set_object_arg (G_OBJECT (src), "pattern", "white");
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src_pad = gst_element_get_static_pad (src, "src");
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gst_pad_add_probe (src_pad, GST_PAD_PROBE_TYPE_BUFFER, buffer_cb,
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main_loop, NULL);
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gst_object_unref (src_pad);
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q = gst_element_factory_make ("queue", NULL);
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capsfilter = gst_element_factory_make ("capsfilter", NULL);
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gst_util_set_object_arg (G_OBJECT (capsfilter), "caps",
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"video/x-raw, width=720, height=480, framerate=250/1, "
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"format={ I420, YV12, YUY2, UYVY, AYUV, Y41B, Y42B, "
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"YVYU, Y444, v210, v216, NV12, NV21, UYVP, A420, YUV9, YVU9, IYU1, "
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"RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR }");
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sink = gst_element_factory_make ("ximagesink", NULL);
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gst_bin_add_many (GST_BIN (pipeline), src, q, capsfilter, sink, NULL);
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gst_element_link_many (src, q, capsfilter, sink, NULL);
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x = X_START;
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y = Y_START;
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gst_bus_add_watch (GST_ELEMENT_BUS (pipeline), bus_cb, main_loop);
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//g_timeout_add_seconds (1, timeout_cb, loop);
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g_main_loop_run (main_loop);
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|
||||
gst_element_set_state (pipeline, GST_STATE_NULL);
|
||||
gst_object_unref (pipeline);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue