--- /dev/null
+/* GStreamer
+ *
+ * unit test for ffmpegcolorspace
+ *
+ * Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_VALGRIND
+# include <valgrind/valgrind.h>
+#endif
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+typedef struct _RGBFormat
+{
+ const gchar *nick;
+ guint bpp, depth;
+ guint32 red_mask, green_mask, blue_mask, alpha_mask;
+ guint endianness;
+} RGBFormat;
+
+typedef struct _RGBConversion
+{
+ RGBFormat from_fmt;
+ RGBFormat to_fmt;
+ GstCaps *from_caps;
+ GstCaps *to_caps;
+} RGBConversion;
+
+static GstCaps *
+rgb_format_to_caps (RGBFormat * fmt)
+{
+ GstCaps *caps;
+
+ g_assert (fmt != NULL);
+ g_assert (fmt->endianness != 0);
+
+ caps = gst_caps_new_simple ("video/x-raw-rgb",
+ "bpp", G_TYPE_INT, fmt->bpp,
+ "depth", G_TYPE_INT, fmt->depth,
+ "red_mask", G_TYPE_INT, fmt->red_mask,
+ "green_mask", G_TYPE_INT, fmt->green_mask,
+ "blue_mask", G_TYPE_INT, fmt->blue_mask,
+ "width", G_TYPE_INT, 16, "height", G_TYPE_INT, 16,
+ "endianness", G_TYPE_INT, fmt->endianness,
+ "framerate", GST_TYPE_FRACTION, 1, 1, NULL);
+
+ fail_unless (fmt->alpha_mask == 0 || fmt->bpp == 32);
+
+ if (fmt->alpha_mask != 0) {
+ gst_structure_set (gst_caps_get_structure (caps, 0),
+ "alpha_mask", G_TYPE_INT, fmt->alpha_mask, NULL);
+ }
+
+ return caps;
+}
+
+static GList *
+create_rgb_conversions (void)
+{
+ const RGBFormat rgb_formats[] = {
+ {
+ "RGBA", 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff, 0}, {
+ "ARGB", 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, 0}, {
+ "BGRA", 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff, 0}, {
+ "ABGR", 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000, 0}, {
+ "RGBx", 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000, 0}, {
+ "xRGB", 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000, 0}, {
+ "BGRx", 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000, 0}, {
+ "xBGR", 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000, 0}, {
+ "RGB ", 24, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000, 0}, {
+ "BGR ", 24, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000, 0}, {
+ "RGB565", 16, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000, 0}, {
+ "xRGB1555", 16, 15, 0x00007c00, 0x000003e0, 0x0000001f, 0x0000000, 0}
+ };
+ const struct
+ {
+ guint from_endianness, to_endianness;
+ } end_arr[4] = {
+ {
+ G_LITTLE_ENDIAN, G_LITTLE_ENDIAN}, {
+ G_BIG_ENDIAN, G_LITTLE_ENDIAN}, {
+ G_LITTLE_ENDIAN, G_BIG_ENDIAN}, {
+ G_BIG_ENDIAN, G_BIG_ENDIAN}
+ };
+ GList *conversions = NULL;
+ guint from_fmt, to_fmt;
+
+ for (from_fmt = 0; from_fmt < G_N_ELEMENTS (rgb_formats); ++from_fmt) {
+ for (to_fmt = 0; to_fmt < G_N_ELEMENTS (rgb_formats); ++to_fmt) {
+ guint i;
+
+ for (i = 0; i < 4; ++i) {
+ RGBConversion *conversion;
+
+ conversion = g_new0 (RGBConversion, 1);
+ conversion->from_fmt = rgb_formats[from_fmt];
+ conversion->to_fmt = rgb_formats[to_fmt];
+ conversion->from_fmt.endianness = end_arr[i].from_endianness;
+ conversion->to_fmt.endianness = end_arr[i].to_endianness;
+ conversion->from_caps = rgb_format_to_caps (&conversion->from_fmt);
+ conversion->to_caps = rgb_format_to_caps (&conversion->to_fmt);
+ conversions = g_list_prepend (conversions, conversion);
+ }
+ }
+ }
+
+ return g_list_reverse (conversions);
+}
+
+static void
+rgb_conversion_free (RGBConversion * conv)
+{
+ gst_caps_unref (conv->from_caps);
+ gst_caps_unref (conv->to_caps);
+ memset (conv, 0x99, sizeof (RGBConversion));
+ g_free (conv);
+}
+
+static guint32
+right_shift_colour (guint32 mask, guint32 pixel)
+{
+ if (mask == 0)
+ return 0;
+
+ pixel = pixel & mask;
+ while ((mask & 0x01) == 0) {
+ mask = mask >> 1;
+ pixel = pixel >> 1;
+ }
+
+ return pixel;
+}
+
+static guint8
+fix_expected_colour (guint32 col_mask, guint8 col_expected)
+{
+ guint32 mask;
+ gint last = g_bit_nth_msf (col_mask, -1);
+ gint first = g_bit_nth_lsf (col_mask, -1);
+
+ mask = 1 << (last - first + 1);
+ mask -= 1;
+
+ g_assert (col_expected == 0x00 || col_expected == 0xff);
+
+ /* this only works because we only check for all-bits-set or no-bits-set */
+ return col_expected & mask;
+}
+
+static void
+check_rgb_buf (const guint8 * pixels, guint32 r_mask, guint32 g_mask,
+ guint32 b_mask, guint32 a_mask, guint8 r_expected, guint8 g_expected,
+ guint8 b_expected, guint endianness, guint bpp, guint depth)
+{
+ guint32 pixel, red, green, blue, alpha;
+
+ switch (bpp) {
+ case 32:{
+ if (endianness == G_LITTLE_ENDIAN)
+ pixel = GST_READ_UINT32_LE (pixels);
+ else
+ pixel = GST_READ_UINT32_BE (pixels);
+ break;
+ }
+ case 24:{
+ if (endianness == G_BIG_ENDIAN) {
+ pixel = (GST_READ_UINT8 (pixels) << 16) |
+ (GST_READ_UINT8 (pixels + 1) << 8) |
+ (GST_READ_UINT8 (pixels + 2) << 0);
+ } else {
+ pixel = (GST_READ_UINT8 (pixels + 2) << 16) |
+ (GST_READ_UINT8 (pixels + 1) << 8) |
+ (GST_READ_UINT8 (pixels + 0) << 0);
+ }
+ break;
+ }
+ case 16:{
+ if (endianness == G_LITTLE_ENDIAN)
+ pixel = GST_READ_UINT16_LE (pixels);
+ else
+ pixel = GST_READ_UINT16_BE (pixels);
+ break;
+ }
+ default:
+ g_return_if_reached ();
+ }
+
+ red = right_shift_colour (r_mask, pixel);
+ green = right_shift_colour (g_mask, pixel);
+ blue = right_shift_colour (b_mask, pixel);
+ alpha = right_shift_colour (a_mask, pixel);
+
+ /* can't enable this by default, valgrind will complain about accessing
+ * uninitialised memory for the depth=24,bpp=32 formats ... */
+ /* GST_LOG ("pixels: 0x%02x 0x%02x 0x%02x 0x%02x => pixel = 0x%08x",
+ pixels[0], (guint) pixels[1], pixels[2], pixels[3], pixel); */
+
+ /* fix up the mask (for rgb15/16) */
+ if (bpp == 16) {
+ r_expected = fix_expected_colour (r_mask, r_expected);
+ g_expected = fix_expected_colour (g_mask, g_expected);
+ b_expected = fix_expected_colour (b_mask, b_expected);
+ }
+
+ fail_unless (red == r_expected, "RED: expected 0x%02x, found 0x%02x "
+ "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", r_expected, red,
+ pixels[0], pixels[1], pixels[2], pixels[3], pixel);
+ fail_unless (green == g_expected, "GREEN: expected 0x%02x, found 0x%02x "
+ "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", g_expected, green,
+ pixels[0], pixels[1], pixels[2], pixels[3], pixel);
+ fail_unless (blue == b_expected, "BLUE: expected 0x%02x, found 0x%02x "
+ "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", b_expected, blue,
+ pixels[0], pixels[1], pixels[2], pixels[3], pixel);
+
+// FIXME: fix alpha check
+// fail_unless (a_mask == 0 || alpha != 0); /* better than nothing */
+}
+
+static void
+got_buf_cb (GstElement * sink, GstBuffer * new_buf, GstPad * pad,
+ GstBuffer ** p_old_buf)
+{
+ gst_buffer_replace (p_old_buf, new_buf);
+}
+
+/* Note: lots of this code here is also in the videotestsrc.c unit test */
+GST_START_TEST (test_rgb_to_rgb)
+{
+ const struct
+ {
+ const gchar *pattern_name;
+ gint pattern_enum;
+ guint8 r_expected;
+ guint8 g_expected;
+ guint8 b_expected;
+ } test_patterns[] = {
+ {
+ "white", 3, 0xff, 0xff, 0xff}, {
+ "red", 4, 0xff, 0x00, 0x00}, {
+ "green", 5, 0x00, 0xff, 0x00}, {
+ "blue", 6, 0x00, 0x00, 0xff}, {
+ "black", 2, 0x00, 0x00, 0x00}
+ };
+ GstElement *pipeline, *src, *filter1, *csp, *filter2, *sink;
+ const GstCaps *template_caps;
+ GstBuffer *buf = NULL;
+ GstPad *srcpad;
+ GList *conversions, *l;
+ gint p;
+
+ /* test check function */
+ fail_unless (right_shift_colour (0x00ff0000, 0x11223344) == 0x22);
+
+ pipeline = gst_pipeline_new ("pipeline");
+ src = gst_check_setup_element ("videotestsrc");
+ filter1 = gst_check_setup_element ("capsfilter");
+ csp = gst_check_setup_element ("ffmpegcolorspace");
+ filter2 = gst_element_factory_make ("capsfilter", "to_filter");
+ sink = gst_check_setup_element ("fakesink");
+
+ gst_bin_add_many (GST_BIN (pipeline), src, filter1, csp, filter2, sink, NULL);
+
+ fail_unless (gst_element_link (src, filter1));
+ fail_unless (gst_element_link (filter1, csp));
+ fail_unless (gst_element_link (csp, filter2));
+ fail_unless (gst_element_link (filter2, sink));
+
+ srcpad = gst_element_get_pad (src, "src");
+ template_caps = gst_pad_get_pad_template_caps (srcpad);
+ gst_object_unref (srcpad);
+
+ g_object_set (sink, "signal-handoffs", TRUE, NULL);
+ g_signal_connect (sink, "preroll-handoff", G_CALLBACK (got_buf_cb), &buf);
+
+ GST_LOG ("videotestsrc src template caps: %" GST_PTR_FORMAT, template_caps);
+
+ conversions = create_rgb_conversions ();
+
+ for (l = conversions; l != NULL; l = l->next) {
+ RGBConversion *conv = (RGBConversion *) l->data;
+ RGBFormat *from = &conv->from_fmt;
+ RGBFormat *to = &conv->to_fmt;
+
+ /* does videotestsrc support the from_caps? */
+ if (!gst_caps_is_subset (conv->from_caps, template_caps)) {
+ GST_DEBUG ("videotestsrc doesn't support from_caps %" GST_PTR_FORMAT,
+ conv->from_caps);
+ continue;
+ }
+
+ /* caps are supported, let's run some tests then ... */
+ for (p = 0; p < G_N_ELEMENTS (test_patterns); ++p) {
+ GstStateChangeReturn state_ret;
+
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+
+ g_object_set (src, "pattern", test_patterns[p].pattern_enum, NULL);
+
+ GST_INFO ("%5s %u/%u %08x %08x %08x %08x %u => "
+ "%5s %u/%u %08x %08x %08x %08x %u, pattern=%s",
+ from->nick, from->bpp, from->depth, from->red_mask,
+ from->green_mask, from->blue_mask, from->alpha_mask,
+ from->endianness, to->nick, to->bpp, to->depth, to->red_mask,
+ to->green_mask, to->blue_mask, to->alpha_mask, to->endianness,
+ test_patterns[p].pattern_name);
+
+ /* now get videotestsrc to produce a buffer with the given caps */
+ g_object_set (filter1, "caps", conv->from_caps, NULL);
+
+ /* ... and force ffmpegcolorspace to convert to our target caps */
+ g_object_set (filter2, "caps", conv->to_caps, NULL);
+
+ state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
+ if (state_ret == GST_STATE_CHANGE_FAILURE) {
+ GstMessage *msg;
+ GError *err = NULL;
+
+ msg = gst_bus_poll (GST_ELEMENT_BUS (pipeline), GST_MESSAGE_ERROR, 0);
+ fail_if (msg == NULL, "expected ERROR message on the bus");
+ fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
+ gst_message_parse_error (msg, &err, NULL);
+ fail_unless (err != NULL);
+ if (msg->src == GST_OBJECT_CAST (src) &&
+ err->code == GST_STREAM_ERROR_FORMAT) {
+ GST_DEBUG ("ffmpegcolorspace does not support this conversion");
+ gst_message_unref (msg);
+ g_error_free (err);
+ continue;
+ }
+ fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,
+ "pipeline _set_state() to PAUSED failed: %s", err->message);
+ }
+
+ state_ret = gst_element_get_state (pipeline, NULL, NULL, -1);
+ fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS,
+ "pipeline failed going to PAUSED state");
+
+ state_ret = gst_element_set_state (pipeline, GST_STATE_NULL);
+ fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS);
+
+ fail_unless (buf != NULL);
+
+ /* check buffer caps */
+ {
+ GstStructure *s;
+ gint v;
+
+ fail_unless (GST_BUFFER_CAPS (buf) != NULL);
+ s = gst_caps_get_structure (GST_BUFFER_CAPS (buf), 0);
+ fail_unless (gst_structure_get_int (s, "bpp", &v));
+ fail_unless_equals_int (v, to->bpp);
+ fail_unless (gst_structure_get_int (s, "depth", &v));
+ fail_unless_equals_int (v, to->depth);
+ fail_unless (gst_structure_get_int (s, "red_mask", &v));
+ fail_unless_equals_int (v, to->red_mask);
+ fail_unless (gst_structure_get_int (s, "green_mask", &v));
+ fail_unless_equals_int (v, to->green_mask);
+ fail_unless (gst_structure_get_int (s, "blue_mask", &v));
+ fail_unless_equals_int (v, to->blue_mask);
+ /* there mustn't be an alpha_mask if there's no alpha component */
+ if (to->depth == 32) {
+ fail_unless (gst_structure_get_int (s, "alpha_mask", &v));
+ fail_unless_equals_int (v, to->alpha_mask);
+ } else {
+ fail_unless (gst_structure_get_value (s, "alpha_mask") == NULL);
+ }
+ }
+
+ /* now check the top-left pixel */
+ check_rgb_buf (GST_BUFFER_DATA (buf), to->red_mask,
+ to->green_mask, to->blue_mask, to->alpha_mask,
+ test_patterns[p].r_expected, test_patterns[p].g_expected,
+ test_patterns[p].b_expected, to->endianness, to->bpp, to->depth);
+
+ gst_buffer_unref (buf);
+ buf = NULL;
+ }
+ }
+
+ g_list_foreach (conversions, (GFunc) rgb_conversion_free, NULL);
+ g_list_free (conversions);
+
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+}
+
+GST_END_TEST;
+
+static Suite *
+ffmpegcolorspace_suite (void)
+{
+ Suite *s = suite_create ("ffmpegcolorspace");
+ TCase *tc_chain = tcase_create ("general");
+
+ suite_add_tcase (s, tc_chain);
+
+#ifdef HAVE_VALGRIND
+ if (RUNNING_ON_VALGRIND) {
+ /* otherwise valgrind errors out when liboil probes CPU extensions
+ * during which it causes SIGILLs etc. to be fired */
+ g_setenv ("OIL_CPU_FLAGS", "0", 0);
+ /* test_rgb_formats takes a bit longer, so increase timeout */
+ tcase_set_timeout (tc_chain, 5 * 60);
+ }
+#endif
+
+ /* FIXME: add tests for YUV <=> YUV and YUV <=> RGB */
+ tcase_add_test (tc_chain, test_rgb_to_rgb);
+
+ return s;
+}
+
+GST_CHECK_MAIN (ffmpegcolorspace);
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