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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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405 lines
12 KiB
C
405 lines
12 KiB
C
/* GStreamer
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*
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* unit test for videoconvert
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*
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* Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
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*
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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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#ifdef HAVE_VALGRIND
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# include <valgrind/valgrind.h>
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#endif
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#include <unistd.h>
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#include <gst/check/gstcheck.h>
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typedef struct _RGBConversion
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{
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const gchar *from_fmt;
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const gchar *to_fmt;
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GstCaps *from_caps;
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GstCaps *to_caps;
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} RGBConversion;
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static GstCaps *
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rgb_format_to_caps (const gchar * fmt)
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{
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GstCaps *caps;
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g_assert (fmt != NULL);
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caps = gst_caps_new_simple ("video/x-raw",
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"format", G_TYPE_STRING, fmt,
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"width", G_TYPE_INT, 16, "height", G_TYPE_INT, 16,
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"framerate", GST_TYPE_FRACTION, 1, 1, NULL);
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return caps;
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}
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static GList *
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create_rgb_conversions (void)
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{
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const gchar *rgb_formats[] = {
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"RGBA",
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"ARGB",
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"BGRA",
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"ABGR",
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"RGBx",
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"xRGB",
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"BGRx",
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"xBGR",
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"RGB",
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"BGR",
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"RGB15",
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"BGR15",
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"RGB16",
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"BGR16"
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};
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GList *conversions = NULL;
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guint from_fmt, to_fmt;
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for (from_fmt = 0; from_fmt < G_N_ELEMENTS (rgb_formats); ++from_fmt) {
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for (to_fmt = 0; to_fmt < G_N_ELEMENTS (rgb_formats); ++to_fmt) {
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guint i;
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for (i = 0; i < 4; ++i) {
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RGBConversion *conversion;
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conversion = g_new0 (RGBConversion, 1);
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conversion->from_fmt = rgb_formats[from_fmt];
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conversion->to_fmt = rgb_formats[to_fmt];
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conversion->from_caps = rgb_format_to_caps (conversion->from_fmt);
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conversion->to_caps = rgb_format_to_caps (conversion->to_fmt);
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conversions = g_list_prepend (conversions, conversion);
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}
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}
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}
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return g_list_reverse (conversions);
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}
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static void
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rgb_conversion_free (RGBConversion * conv)
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{
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gst_caps_unref (conv->from_caps);
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gst_caps_unref (conv->to_caps);
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memset (conv, 0x99, sizeof (RGBConversion));
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g_free (conv);
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}
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static guint32
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right_shift_colour (guint32 mask, guint32 pixel)
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{
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if (mask == 0)
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return 0;
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pixel = pixel & mask;
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while ((mask & 0x01) == 0) {
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mask = mask >> 1;
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pixel = pixel >> 1;
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}
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return pixel;
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}
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#if 0
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static guint8
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fix_expected_colour (guint32 col_mask, guint8 col_expected)
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{
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guint32 mask;
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gint last = g_bit_nth_msf (col_mask, -1);
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gint first = g_bit_nth_lsf (col_mask, -1);
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mask = 1 << (last - first + 1);
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mask -= 1;
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g_assert (col_expected == 0x00 || col_expected == 0xff);
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/* this only works because we only check for all-bits-set or no-bits-set */
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return col_expected & mask;
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}
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static void
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check_rgb_buf (const guint8 * pixels, guint32 r_mask, guint32 g_mask,
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guint32 b_mask, guint32 a_mask, guint8 r_expected, guint8 g_expected,
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guint8 b_expected, guint endianness, guint bpp, guint depth)
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{
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guint32 pixel, red, green, blue;
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switch (bpp) {
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case 32:{
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if (endianness == G_LITTLE_ENDIAN)
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pixel = GST_READ_UINT32_LE (pixels);
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else
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pixel = GST_READ_UINT32_BE (pixels);
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break;
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}
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case 24:{
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if (endianness == G_BIG_ENDIAN) {
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pixel = (GST_READ_UINT8 (pixels) << 16) |
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(GST_READ_UINT8 (pixels + 1) << 8) |
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(GST_READ_UINT8 (pixels + 2) << 0);
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} else {
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pixel = (GST_READ_UINT8 (pixels + 2) << 16) |
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(GST_READ_UINT8 (pixels + 1) << 8) |
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(GST_READ_UINT8 (pixels + 0) << 0);
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}
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break;
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}
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case 16:{
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if (endianness == G_LITTLE_ENDIAN)
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pixel = GST_READ_UINT16_LE (pixels);
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else
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pixel = GST_READ_UINT16_BE (pixels);
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break;
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}
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default:
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g_return_if_reached ();
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}
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red = right_shift_colour (r_mask, pixel);
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green = right_shift_colour (g_mask, pixel);
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blue = right_shift_colour (b_mask, pixel);
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/* alpha = right_shift_colour (a_mask, pixel); */
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/* can't enable this by default, valgrind will complain about accessing
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* uninitialised memory for the depth=24,bpp=32 formats ... */
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/* GST_LOG ("pixels: 0x%02x 0x%02x 0x%02x 0x%02x => pixel = 0x%08x",
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pixels[0], (guint) pixels[1], pixels[2], pixels[3], pixel); */
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/* fix up the mask (for rgb15/16) */
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if (bpp == 16) {
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r_expected = fix_expected_colour (r_mask, r_expected);
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g_expected = fix_expected_colour (g_mask, g_expected);
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b_expected = fix_expected_colour (b_mask, b_expected);
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}
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fail_unless (red == r_expected, "RED: expected 0x%02x, found 0x%02x "
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"Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", r_expected, red,
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pixels[0], pixels[1], pixels[2], pixels[3], pixel);
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fail_unless (green == g_expected, "GREEN: expected 0x%02x, found 0x%02x "
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"Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", g_expected, green,
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pixels[0], pixels[1], pixels[2], pixels[3], pixel);
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fail_unless (blue == b_expected, "BLUE: expected 0x%02x, found 0x%02x "
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"Bytes: 0x%02x 0x%02x 0x%02x 0x%02x Pixel: 0x%08x", b_expected, blue,
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pixels[0], pixels[1], pixels[2], pixels[3], pixel);
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// FIXME: fix alpha check
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// fail_unless (a_mask == 0 || alpha != 0); /* better than nothing */
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}
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#endif
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static void
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got_buf_cb (GstElement * sink, GstBuffer * new_buf, GstPad * pad,
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GstBuffer ** p_old_buf)
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{
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gst_buffer_replace (p_old_buf, new_buf);
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}
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/* Note: lots of this code here is also in the videotestsrc.c unit test */
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GST_START_TEST (test_rgb_to_rgb)
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{
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const struct
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{
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const gchar *pattern_name;
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gint pattern_enum;
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guint8 r_expected;
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guint8 g_expected;
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guint8 b_expected;
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} test_patterns[] = {
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{
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"white", 3, 0xff, 0xff, 0xff}, {
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"red", 4, 0xff, 0x00, 0x00}, {
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"green", 5, 0x00, 0xff, 0x00}, {
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"blue", 6, 0x00, 0x00, 0xff}, {
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"black", 2, 0x00, 0x00, 0x00}
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};
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GstElement *pipeline, *src, *filter1, *csp, *filter2, *sink;
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GstCaps *template_caps;
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GstBuffer *buf = NULL;
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GstPad *srcpad, *csppad;
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GList *conversions, *l;
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gint p;
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/* test check function */
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fail_unless (right_shift_colour (0x00ff0000, 0x11223344) == 0x22);
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pipeline = gst_pipeline_new ("pipeline");
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src = gst_check_setup_element ("videotestsrc");
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filter1 = gst_check_setup_element ("capsfilter");
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csp = gst_check_setup_element ("videoconvert");
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filter2 = gst_element_factory_make ("capsfilter", "to_filter");
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sink = gst_check_setup_element ("fakesink");
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gst_bin_add_many (GST_BIN (pipeline), src, filter1, csp, filter2, sink, NULL);
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fail_unless (gst_element_link (src, filter1));
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fail_unless (gst_element_link (filter1, csp));
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fail_unless (gst_element_link (csp, filter2));
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fail_unless (gst_element_link (filter2, sink));
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srcpad = gst_element_get_static_pad (src, "src");
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template_caps = gst_pad_get_pad_template_caps (srcpad);
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gst_object_unref (srcpad);
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csppad = gst_element_get_static_pad (csp, "src");
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g_object_set (sink, "signal-handoffs", TRUE, NULL);
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g_signal_connect (sink, "preroll-handoff", G_CALLBACK (got_buf_cb), &buf);
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GST_LOG ("videotestsrc src template caps: %" GST_PTR_FORMAT, template_caps);
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conversions = create_rgb_conversions ();
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for (l = conversions; l != NULL; l = l->next) {
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RGBConversion *conv = (RGBConversion *) l->data;
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/* does videotestsrc support the from_caps? */
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if (!gst_caps_is_subset (conv->from_caps, template_caps)) {
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GST_DEBUG ("videotestsrc doesn't support from_caps %" GST_PTR_FORMAT,
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conv->from_caps);
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continue;
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}
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/* caps are supported, let's run some tests then ... */
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for (p = 0; p < G_N_ELEMENTS (test_patterns); ++p) {
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GstStateChangeReturn state_ret;
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const gchar *from = conv->from_fmt;
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const gchar *to = conv->to_fmt;
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#if 0
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guint8 *data;
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gsize size;
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#endif
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/* trick compiler into thinking from is used, might throw warning
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* otherwise if the debugging system is disabled */
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fail_unless (from != NULL);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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g_object_set (src, "pattern", test_patterns[p].pattern_enum, NULL);
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GST_INFO ("%5s => %5s, pattern=%s",
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from, to, test_patterns[p].pattern_name);
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/* now get videotestsrc to produce a buffer with the given caps */
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g_object_set (filter1, "caps", conv->from_caps, NULL);
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/* ... and force videoconvert to convert to our target caps */
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g_object_set (filter2, "caps", conv->to_caps, NULL);
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state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
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if (state_ret == GST_STATE_CHANGE_FAILURE) {
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GstMessage *msg;
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GError *err = NULL;
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msg = gst_bus_poll (GST_ELEMENT_BUS (pipeline), GST_MESSAGE_ERROR, 0);
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fail_if (msg == NULL, "expected ERROR message on the bus");
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fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
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gst_message_parse_error (msg, &err, NULL);
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fail_unless (err != NULL);
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if (msg->src == GST_OBJECT_CAST (src) &&
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err->code == GST_STREAM_ERROR_FORMAT) {
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GST_DEBUG ("videoconvert does not support this conversion");
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gst_message_unref (msg);
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g_error_free (err);
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continue;
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}
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fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,
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"pipeline _set_state() to PAUSED failed: %s", err->message);
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}
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state_ret = gst_element_get_state (pipeline, NULL, NULL, -1);
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fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS,
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"pipeline failed going to PAUSED state");
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state_ret = gst_element_set_state (pipeline, GST_STATE_NULL);
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fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS);
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fail_unless (buf != NULL);
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/* check buffer caps */
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{
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GstCaps *caps;
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GstStructure *s;
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const gchar *fmt;
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g_object_get (csppad, "caps", &caps, NULL);
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fail_unless (caps != NULL);
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s = gst_caps_get_structure (caps, 0);
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fmt = gst_structure_get_string (s, "format");
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fail_unless (fmt != NULL);
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fail_unless (!strcmp (fmt, to));
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}
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#if 0
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/* now check the top-left pixel */
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data = gst_buffer_map (buf, &size, NULL, GST_MAP_READ);
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check_rgb_buf (data, to->red_mask,
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to->green_mask, to->blue_mask, to->alpha_mask,
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test_patterns[p].r_expected, test_patterns[p].g_expected,
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test_patterns[p].b_expected, to->endianness, to->bpp, to->depth);
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gst_buffer_unmap (buf, data, size);
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#endif
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gst_buffer_unref (buf);
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buf = NULL;
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}
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}
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gst_caps_unref (template_caps);
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g_list_foreach (conversions, (GFunc) rgb_conversion_free, NULL);
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g_list_free (conversions);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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}
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GST_END_TEST;
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static Suite *
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videoconvert_suite (void)
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{
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Suite *s = suite_create ("videoconvert");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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#ifdef HAVE_VALGRIND
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if (RUNNING_ON_VALGRIND) {
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/* otherwise valgrind errors out when liboil probes CPU extensions
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* during which it causes SIGILLs etc. to be fired */
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g_setenv ("OIL_CPU_FLAGS", "0", 0);
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/* test_rgb_formats takes a bit longer, so increase timeout */
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tcase_set_timeout (tc_chain, 10 * 60);
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}
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#endif
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/* FIXME: add tests for YUV <=> YUV and YUV <=> RGB */
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tcase_add_test (tc_chain, test_rgb_to_rgb);
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return s;
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}
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GST_CHECK_MAIN (videoconvert);
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