diff options
Diffstat (limited to 'tests/icles/gdkpixbufoverlay-test.c')
| -rw-r--r-- | tests/icles/gdkpixbufoverlay-test.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/tests/icles/gdkpixbufoverlay-test.c b/tests/icles/gdkpixbufoverlay-test.c new file mode 100644 index 000000000..ec91c070c --- /dev/null +++ b/tests/icles/gdkpixbufoverlay-test.c @@ -0,0 +1,256 @@ +/* GStreamer gdkpixbufoverlay test app + * Copyright (C) 2014 Tim-Philipp Müller <tim centricular com> + + * 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., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gio/gio.h> +#include <gst/gst.h> +#include <gst/video/video.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +#include <math.h> + +#define VIDEO_WIDTH 720 +#define VIDEO_HEIGHT 480 +#define VIDEO_FPS 50 + +/* GdkPixbuf RGBA C-Source image dump from gdk-pixbuf-csource --raw, + * gzipped and then base64 encoded */ +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"; + +static GdkPixbuf *logo_pixbuf; + +static GMainLoop *main_loop; +static gint count; + +static GdkPixbuf * +create_overlay_pixbuf (void) +{ + GZlibDecompressor *decompress; + GConverterResult decomp_res; + guchar *gzipped_pixdata, *pixdata; + gsize gzipped_size, bytes_read, pixdata_size; + GdkPixbuf *pixbuf; + + gzipped_pixdata = g_base64_decode (gzipped_pixdata_base64, &gzipped_size); + g_assert (gzipped_pixdata != NULL); + + pixdata = g_malloc (64 * 1024); + + decompress = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP); + decomp_res = g_converter_convert (G_CONVERTER (decompress), + gzipped_pixdata, gzipped_size, pixdata, 64 * 1024, + G_CONVERTER_INPUT_AT_END, &bytes_read, &pixdata_size, NULL); + g_assert (decomp_res == G_CONVERTER_FINISHED); + g_assert (bytes_read == gzipped_size); + g_free (gzipped_pixdata); + g_object_unref (decompress); + + /* 0: Pixbuf magic (0x47646b50) */ + g_assert (GST_READ_UINT32_BE (pixdata) == 0x47646b50); + + pixbuf = gdk_pixbuf_new_from_inline (pixdata_size, pixdata, TRUE, NULL); + g_assert (pixbuf != NULL); + + g_free (pixdata); + + return pixbuf; +} + +static gboolean +bus_cb (GstBus * bus, GstMessage * msg, gpointer user_data) +{ + GMainLoop *loop = user_data; + + switch (GST_MESSAGE_TYPE (msg)) { + case GST_MESSAGE_ERROR:{ + GError *err = NULL; + gchar *dbg; + + gst_message_parse_error (msg, &err, &dbg); + gst_object_default_error (msg->src, err, dbg); + g_error_free (err); + g_free (dbg); + g_main_loop_quit (loop); + break; + } + default: + break; + } + return TRUE; +} + +#define SPEED_SCALE_FACTOR (VIDEO_FPS * 4) + +/* nicked from videotestsrc's ball pattern renderer */ +static void +calculate_position (gint * x, gint * y, guint logo_w, guint logo_h, guint n) +{ + guint r_x = logo_w / 2; + guint r_y = logo_h / 2; + guint w = VIDEO_WIDTH + logo_w; + guint h = VIDEO_HEIGHT + logo_h; + + *x = r_x + (0.5 + 0.5 * sin (2 * G_PI * n / SPEED_SCALE_FACTOR)) + * (w - 2 * r_x); + *y = r_y + (0.5 + 0.5 * sin (2 * G_PI * sqrt (2) * n / SPEED_SCALE_FACTOR)) + * (h - 2 * r_y); + + *x -= logo_w; + *y -= logo_h; +} + +static GstPadProbeReturn +buffer_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data) +{ + GstElement *overlay = GST_PAD_PARENT (pad); + gint x, y, w, h; + + w = gdk_pixbuf_get_width (logo_pixbuf); + h = gdk_pixbuf_get_height (logo_pixbuf); + + calculate_position (&x, &y, w, h, ++count); + + GST_LOG ("%3d, %3d", x, y); + + /* FIXME: need absolute positioning where negative offsets are not flipped */ + g_object_set (overlay, "offset-x", x, "offset-y", y, NULL); + + return GST_PAD_PROBE_OK; +} + +int +main (int argc, char **argv) +{ + GOptionEntry options[] = { + {NULL} + }; + GOptionContext *ctx; + GError *err = NULL; + GstElement *src, *q, *capsfilter, *overlay, *sink; + GstElement *pipeline; + GstPad *sink_pad; + GstCaps *filter_caps; + + ctx = g_option_context_new (""); + g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE); + g_option_context_add_group (ctx, gst_init_get_option_group ()); + if (!g_option_context_parse (ctx, &argc, &argv, &err)) { + g_print ("Error initializing: %s\n", err->message); + return 1; + } + g_option_context_free (ctx); + + logo_pixbuf = create_overlay_pixbuf (); + + main_loop = g_main_loop_new (NULL, FALSE); + + pipeline = gst_pipeline_new ("pipeline"); + + src = gst_element_factory_make ("videotestsrc", NULL); + gst_util_set_object_arg (G_OBJECT (src), "pattern", "white"); + + overlay = gst_element_factory_make ("gdkpixbufoverlay", NULL); + g_object_set (overlay, "pixbuf", logo_pixbuf, NULL); + + sink_pad = gst_element_get_static_pad (overlay, "sink"); + gst_pad_add_probe (sink_pad, GST_PAD_PROBE_TYPE_BUFFER, buffer_cb, NULL, + NULL); + gst_object_unref (sink_pad); + + q = gst_element_factory_make ("queue", NULL); + + capsfilter = gst_element_factory_make ("capsfilter", NULL); + filter_caps = gst_caps_from_string ("video/x-raw, format = " + GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS); + gst_caps_set_simple (filter_caps, + "width", G_TYPE_INT, VIDEO_WIDTH, + "height", G_TYPE_INT, VIDEO_HEIGHT, + "framerate", GST_TYPE_FRACTION, VIDEO_FPS, 1, NULL); + g_object_set (capsfilter, "caps", filter_caps, NULL); + gst_caps_unref (filter_caps); + + sink = gst_element_factory_make ("ximagesink", NULL); + + gst_bin_add_many (GST_BIN (pipeline), src, q, overlay, capsfilter, sink, + NULL); + + gst_element_link_many (src, q, overlay, capsfilter, sink, NULL); + + count = 0; + + gst_element_set_state (pipeline, GST_STATE_PLAYING); + + gst_bus_add_watch (GST_ELEMENT_BUS (pipeline), bus_cb, main_loop); + + g_main_loop_run (main_loop); + + gst_element_set_state (pipeline, GST_STATE_NULL); + gst_object_unref (pipeline); + g_object_unref (logo_pixbuf); + + return 0; +} |