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tests: make overlay blending test slightly less boring
This commit is contained in:
Tim-Philipp Müller
parent
9396d843d6
commit
dc3d68d9c2
2 changed files with 75 additions and 72 deletions
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@ -82,7 +82,7 @@ test_overlay_blending_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) $(GIO_LIBS)
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$(GST_LIBS) $(GIO_LIBS) $(LIBM)
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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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@ -25,14 +25,11 @@
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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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#include <math.h>
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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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#define VIDEO_WIDTH 720
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#define VIDEO_HEIGHT 480
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#define VIDEO_FPS 50
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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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@ -83,49 +80,59 @@ const gchar gzipped_pixdata_base64[] =
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"Usx7Z8Iz3ZuM0xXlFWT8s4CsDkmzJZPD0ThUUWaSye8THZ6RqOj/uf2L1f79T0XZCpn8vJJ0Pkb9"
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"n6IsCOVoBp/HvS+moe83+T4dRVEUZRmyn2F9swl9yAAA";
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static guint8 *pixdata;
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static gsize pixdata_size;
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static GstBuffer *logo_buf;
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static GMainLoop *main_loop;
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static gint x, y;
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static gint count;
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static GstVideoOverlayComposition *
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create_overlay_composition (guint x, guint y)
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static GstBuffer *
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create_overlay_buffer (void)
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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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GZlibDecompressor *decompress;
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GConverterResult decomp_res;
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guchar *gzipped_pixdata, *pixdata;
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gsize gzipped_size, bytes_read, pixdata_size;
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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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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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g_object_unref (decompress);
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/* 0: Pixbuf magic (0x47646b50) */
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g_assert (GST_READ_UINT32_BE (p) == 0x47646b50);
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g_assert (GST_READ_UINT32_BE (pixdata) == 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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stride = GST_READ_UINT32_BE (pixdata + 12);
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/* 16: width (225) */
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w = GST_READ_UINT32_BE (p + 16);
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w = GST_READ_UINT32_BE (pixdata + 16);
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/* 20: height (57) */
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h = GST_READ_UINT32_BE (p + 20);
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h = GST_READ_UINT32_BE (pixdata + 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_fill (logo_pixels, 0, pixdata + 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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g_free (pixdata);
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return logo_pixels;
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}
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static gboolean
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@ -151,33 +158,36 @@ bus_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
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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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#define SPEED_SCALE_FACTOR (VIDEO_FPS * 4)
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/* nicked from videotestsrc's ball pattern renderer */
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static void
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calculate_position (gint * x, gint * y, guint logo_w, guint logo_h, guint n)
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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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guint r_x = logo_w / 2;
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guint r_y = logo_h / 2;
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guint w = VIDEO_WIDTH + logo_w;
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guint h = VIDEO_HEIGHT + logo_h;
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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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*x = r_x + (0.5 + 0.5 * sin (2 * G_PI * n / SPEED_SCALE_FACTOR))
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* (w - 2 * r_x);
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*y = r_y + (0.5 + 0.5 * sin (2 * G_PI * sqrt (2) * n / SPEED_SCALE_FACTOR))
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* (h - 2 * r_y);
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return FALSE;
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*x -= logo_w;
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*y -= logo_h;
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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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GstVideoOverlayRectangle *rect;
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GstVideoOverlayComposition *comp;
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GstVideoFrame frame;
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GstVideoMeta *vmeta;
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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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gint x, y;
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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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@ -185,8 +195,16 @@ buffer_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
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info->data = gst_buffer_make_writable (info->data);
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vmeta = gst_buffer_get_video_meta (logo_buf);
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calculate_position (&x, &y, vmeta->width, vmeta->height, ++count);
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GST_LOG ("%3d, %3d", x, y);
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comp = create_overlay_composition (x, y);
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rect = gst_video_overlay_rectangle_new_raw (logo_buf, x, y,
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vmeta->width, vmeta->height, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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comp = gst_video_overlay_composition_new (rect);
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gst_video_overlay_rectangle_unref (rect);
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gst_video_frame_map (&frame, &vinfo, info->data, GST_MAP_READWRITE);
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@ -197,8 +215,6 @@ buffer_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
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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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@ -213,23 +229,7 @@ main (int argc, char **argv)
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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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GstCaps *filter_caps;
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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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@ -240,6 +240,8 @@ main (int argc, char **argv)
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}
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g_option_context_free (ctx);
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logo_buf = create_overlay_buffer ();
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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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@ -255,11 +257,14 @@ main (int argc, char **argv)
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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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filter_caps = gst_caps_from_string ("video/x-raw, format = "
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GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS);
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gst_caps_set_simple (filter_caps,
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"width", G_TYPE_INT, VIDEO_WIDTH,
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"height", G_TYPE_INT, VIDEO_HEIGHT,
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"framerate", GST_TYPE_FRACTION, VIDEO_FPS, 1, NULL);
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g_object_set (capsfilter, "caps", filter_caps, NULL);
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gst_caps_unref (filter_caps);
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sink = gst_element_factory_make ("ximagesink", NULL);
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@ -267,19 +272,17 @@ main (int argc, char **argv)
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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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count = 0;
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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);
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gst_object_unref (pipeline);
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gst_buffer_unref (logo_buf);
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return 0;
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}
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