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gstreamer/tests/check/libs/video.c

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/* GStreamer unit test for video
*
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
* Copyright (C) <2006> Jan Schmidt <thaytan@mad.scientist.com>
* Copyright (C) <2008> 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
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
#include <string.h>
/* These are from the current/old videotestsrc; we check our new public API
* in libgstvideo against the old one to make sure the sizes and offsets
* end up the same */
typedef struct paintinfo_struct paintinfo;
struct paintinfo_struct
{
unsigned char *dest; /* pointer to first byte of video data */
unsigned char *yp, *up, *vp; /* pointers to first byte of each component
* for both packed/planar YUV and RGB */
unsigned char *ap; /* pointer to first byte of alpha component */
unsigned char *endptr; /* pointer to byte beyond last video data */
int ystride;
int ustride;
int vstride;
int width;
int height;
};
struct fourcc_list_struct
{
const char *fourcc;
const char *name;
int bitspp;
void (*paint_setup) (paintinfo * p, unsigned char *dest);
};
static void paint_setup_I420 (paintinfo * p, unsigned char *dest);
static void paint_setup_YV12 (paintinfo * p, unsigned char *dest);
static void paint_setup_YUY2 (paintinfo * p, unsigned char *dest);
static void paint_setup_UYVY (paintinfo * p, unsigned char *dest);
static void paint_setup_YVYU (paintinfo * p, unsigned char *dest);
static void paint_setup_IYU2 (paintinfo * p, unsigned char *dest);
static void paint_setup_Y41B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y42B (paintinfo * p, unsigned char *dest);
static void paint_setup_Y800 (paintinfo * p, unsigned char *dest);
static void paint_setup_AYUV (paintinfo * p, unsigned char *dest);
#if 0
static void paint_setup_IMC1 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC2 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC3 (paintinfo * p, unsigned char *dest);
static void paint_setup_IMC4 (paintinfo * p, unsigned char *dest);
#endif
static void paint_setup_YUV9 (paintinfo * p, unsigned char *dest);
static void paint_setup_YVU9 (paintinfo * p, unsigned char *dest);
int fourcc_get_size (struct fourcc_list_struct *fourcc, int w, int h);
struct fourcc_list_struct fourcc_list[] = {
/* packed */
{"YUY2", "YUY2", 16, paint_setup_YUY2},
{"UYVY", "UYVY", 16, paint_setup_UYVY},
{"Y422", "Y422", 16, paint_setup_UYVY},
{"UYNV", "UYNV", 16, paint_setup_UYVY}, /* FIXME: UYNV? */
{"YVYU", "YVYU", 16, paint_setup_YVYU},
{"AYUV", "AYUV", 32, paint_setup_AYUV},
/* interlaced */
/*{ "IUYV", "IUY2", 16, paint_setup_YVYU }, */
/* inverted */
/*{ "cyuv", "cyuv", 16, paint_setup_YVYU }, */
/*{ "Y41P", "Y41P", 12, paint_setup_YVYU }, */
/* interlaced */
/*{ "IY41", "IY41", 12, paint_setup_YVYU }, */
/*{ "Y211", "Y211", 8, paint_setup_YVYU }, */
/*{ "Y41T", "Y41T", 12, paint_setup_YVYU }, */
/*{ "Y42P", "Y42P", 16, paint_setup_YVYU }, */
/*{ "CLJR", "CLJR", 8, paint_setup_YVYU }, */
/*{ "IYU1", "IYU1", 12, paint_setup_YVYU }, */
{"IYU2", "IYU2", 24, paint_setup_IYU2},
/* planar */
/* YVU9 */
{"YVU9", "YVU9", 9, paint_setup_YVU9},
/* YUV9 */
{"YUV9", "YUV9", 9, paint_setup_YUV9},
/* IF09 */
/* YV12 */
{"YV12", "YV12", 12, paint_setup_YV12},
/* I420 */
{"I420", "I420", 12, paint_setup_I420},
/* NV12 */
/* NV21 */
#if 0
/* IMC1 */
{"IMC1", "IMC1", 16, paint_setup_IMC1},
/* IMC2 */
{"IMC2", "IMC2", 12, paint_setup_IMC2},
/* IMC3 */
{"IMC3", "IMC3", 16, paint_setup_IMC3},
/* IMC4 */
{"IMC4", "IMC4", 12, paint_setup_IMC4},
#endif
/* CLPL */
/* Y41B */
{"Y41B", "Y41B", 12, paint_setup_Y41B},
/* Y42B */
{"Y42B", "Y42B", 16, paint_setup_Y42B},
/* Y800 grayscale */
{"Y800", "Y800", 8, paint_setup_Y800}
};
/* returns the size in bytes for one video frame of the given dimensions
* given the fourcc */
int
fourcc_get_size (struct fourcc_list_struct *fourcc, int w, int h)
{
paintinfo pi = { NULL, };
paintinfo *p = &pi;
p->width = w;
p->height = h;
fourcc->paint_setup (p, NULL);
return (unsigned long) p->endptr;
}
static void
paint_setup_I420 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->ustride = GST_ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * GST_ROUND_UP_2 (p->height) / 2;
p->vstride = GST_ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->vp + p->vstride * GST_ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_YV12 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_2 (p->height);
p->vstride = GST_ROUND_UP_8 (p->ystride) / 2;
p->up = p->vp + p->vstride * GST_ROUND_UP_2 (p->height) / 2;
p->ustride = GST_ROUND_UP_8 (p->ystride) / 2;
p->endptr = p->up + p->ustride * GST_ROUND_UP_2 (p->height) / 2;
}
static void
paint_setup_AYUV (paintinfo * p, unsigned char *dest)
{
p->ap = dest;
p->yp = dest + 1;
p->up = dest + 2;
p->vp = dest + 3;
p->ystride = p->width * 4;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_YUY2 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + 1;
p->vp = dest + 3;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_UYVY (paintinfo * p, unsigned char *dest)
{
p->yp = dest + 1;
p->up = dest;
p->vp = dest + 2;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_YVYU (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + 3;
p->vp = dest + 1;
p->ystride = GST_ROUND_UP_2 (p->width) * 2;
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_IYU2 (paintinfo * p, unsigned char *dest)
{
/* untested */
p->yp = dest + 1;
p->up = dest + 0;
p->vp = dest + 2;
p->ystride = GST_ROUND_UP_4 (p->width * 3);
p->endptr = dest + p->ystride * p->height;
}
static void
paint_setup_Y41B (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = GST_ROUND_UP_16 (p->width) / 4;
p->vp = p->up + p->ustride * p->height;
p->vstride = GST_ROUND_UP_16 (p->width) / 4;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_setup_Y42B (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * p->height;
p->ustride = GST_ROUND_UP_8 (p->width) / 2;
p->vp = p->up + p->ustride * p->height;
p->vstride = GST_ROUND_UP_8 (p->width) / 2;
p->endptr = p->vp + p->vstride * p->height;
}
static void
paint_setup_Y800 (paintinfo * p, unsigned char *dest)
{
/* untested */
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->endptr = dest + p->ystride * p->height;
}
#if 0
static void
paint_setup_IMC1 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height;
p->vp = dest + p->width * p->height + p->width * p->height / 2;
}
static void
paint_setup_IMC2 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->vp = dest + p->width * p->height;
p->up = dest + p->width * p->height + p->width / 2;
}
static void
paint_setup_IMC3 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->up = dest + p->width * p->height + p->width * p->height / 2;
p->vp = dest + p->width * p->height;
}
static void
paint_setup_IMC4 (paintinfo * p, unsigned char *dest)
{
p->yp = dest;
p->vp = dest + p->width * p->height + p->width / 2;
p->up = dest + p->width * p->height;
}
#endif
static void
paint_setup_YVU9 (paintinfo * p, unsigned char *dest)
{
int h = GST_ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * GST_ROUND_UP_4 (p->height);
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->up = p->vp + p->vstride * GST_ROUND_UP_4 (h / 4);
p->ustride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->up + p->ustride * GST_ROUND_UP_4 (h / 4);
}
static void
paint_setup_YUV9 (paintinfo * p, unsigned char *dest)
{
/* untested */
int h = GST_ROUND_UP_4 (p->height);
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->up = p->yp + p->ystride * h;
p->ustride = GST_ROUND_UP_4 (p->ystride / 4);
p->vp = p->up + p->ustride * GST_ROUND_UP_4 (h / 4);
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->vp + p->vstride * GST_ROUND_UP_4 (h / 4);
}
#define gst_video_format_is_packed video_format_is_packed
static gboolean
video_format_is_packed (GstVideoFormat fmt)
{
switch (fmt) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_Y41B:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y800:
return FALSE;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_YVYU:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return TRUE;
default:
g_return_val_if_reached (FALSE);
}
return FALSE;
}
GST_START_TEST (test_video_formats)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (fourcc_list); ++i) {
GstVideoFormat fmt;
const gchar *s;
guint32 fourcc;
guint w, h;
s = fourcc_list[i].fourcc;
fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
fmt = gst_video_format_from_fourcc (fourcc);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
continue;
GST_INFO ("Fourcc %s, packed=%d", fourcc_list[i].fourcc,
gst_video_format_is_packed (fmt));
fail_unless (gst_video_format_is_yuv (fmt));
/* use any non-NULL pointer so we can compare against NULL */
{
paintinfo paintinfo = { 0, };
fourcc_list[i].paint_setup (&paintinfo, (unsigned char *) s);
if (paintinfo.ap != NULL) {
fail_unless (gst_video_format_has_alpha (fmt));
} else {
fail_if (gst_video_format_has_alpha (fmt));
}
}
for (w = 1; w <= 65; ++w) {
for (h = 1; h <= 65; ++h) {
paintinfo paintinfo = { 0, };
guint off0, off1, off2, off3;
guint size;
GST_LOG ("%s, %dx%d", fourcc_list[i].fourcc, w, h);
paintinfo.width = w;
paintinfo.height = h;
fourcc_list[i].paint_setup (&paintinfo, NULL);
fail_unless_equals_int (gst_video_format_get_row_stride (fmt, 0, w),
paintinfo.ystride);
if (!gst_video_format_is_packed (fmt)
&& !gst_video_format_is_gray (fmt)) {
/* planar */
fail_unless_equals_int (gst_video_format_get_row_stride (fmt, 1, w),
paintinfo.ustride);
fail_unless_equals_int (gst_video_format_get_row_stride (fmt, 2, w),
paintinfo.vstride);
/* check component_width * height against offsets/size somehow? */
}
size = gst_video_format_get_size (fmt, w, h);
fail_unless_equals_int (size, (unsigned long) paintinfo.endptr);
off0 = gst_video_format_get_component_offset (fmt, 0, w, h);
fail_unless_equals_int (off0, (unsigned long) paintinfo.yp);
off1 = gst_video_format_get_component_offset (fmt, 1, w, h);
fail_unless_equals_int (off1, (unsigned long) paintinfo.up);
off2 = gst_video_format_get_component_offset (fmt, 2, w, h);
fail_unless_equals_int (off2, (unsigned long) paintinfo.vp);
/* should be 0 if there's no alpha component */
off3 = gst_video_format_get_component_offset (fmt, 3, w, h);
fail_unless_equals_int (off3, (unsigned long) paintinfo.ap);
/* some gstvideo checks ... (FIXME: fails for Y41B and Y42B; not sure
* if the check or the _get_component_size implementation is wrong) */
if (fmt != GST_VIDEO_FORMAT_Y41B && fmt != GST_VIDEO_FORMAT_Y42B
&& fmt != GST_VIDEO_FORMAT_Y800) {
guint cs0, cs1, cs2, cs3;
cs0 = gst_video_format_get_component_width (fmt, 0, w) *
gst_video_format_get_component_height (fmt, 0, h);
cs1 = gst_video_format_get_component_width (fmt, 1, w) *
gst_video_format_get_component_height (fmt, 1, h);
cs2 = gst_video_format_get_component_width (fmt, 2, w) *
gst_video_format_get_component_height (fmt, 2, h);
/* GST_LOG ("cs0=%d,cs1=%d,cs2=%d,off0=%d,off1=%d,off2=%d,size=%d",
cs0, cs1, cs2, off0, off1, off2, size); */
if (!gst_video_format_is_packed (fmt))
fail_unless (cs0 <= off1);
if (gst_video_format_has_alpha (fmt)) {
cs3 = gst_video_format_get_component_width (fmt, 3, w) *
gst_video_format_get_component_height (fmt, 3, h);
fail_unless (cs3 < size);
/* U/V/alpha shouldn't take up more space than the Y component */
fail_if (cs1 > cs0, "cs1 (%d) should be <= cs0 (%d)", cs1, cs0);
fail_if (cs2 > cs0, "cs2 (%d) should be <= cs0 (%d)", cs2, cs0);
fail_if (cs3 > cs0, "cs3 (%d) should be <= cs0 (%d)", cs3, cs0);
/* all components together shouldn't take up more space than size */
fail_unless (cs0 + cs1 + cs2 + cs3 <= size);
} else {
/* U/V shouldn't take up more space than the Y component */
fail_if (cs1 > cs0, "cs1 (%d) should be <= cs0 (%d)", cs1, cs0);
fail_if (cs2 > cs0, "cs2 (%d) should be <= cs0 (%d)", cs2, cs0);
/* all components together shouldn't take up more space than size */
fail_unless (cs0 + cs1 + cs2 <= size,
"cs0 (%d) + cs1 (%d) + cs2 (%d) should be <= size (%d)",
cs0, cs1, cs2, size);
}
}
}
}
}
}
GST_END_TEST;
GST_START_TEST (test_dar_calc)
{
guint display_ratio_n, display_ratio_d;
/* Ensure that various Display Ratio calculations are correctly done */
/* video 768x576, par 16/15, display par 16/15 = 4/3 */
fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
&display_ratio_d, 768, 576, 16, 15, 16, 15));
fail_unless (display_ratio_n == 4 && display_ratio_d == 3);
/* video 720x480, par 32/27, display par 1/1 = 16/9 */
fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
&display_ratio_d, 720, 480, 32, 27, 1, 1));
fail_unless (display_ratio_n == 16 && display_ratio_d == 9);
/* video 360x288, par 533333/500000, display par 16/15 =
* dar 1599999/1600000 */
fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
&display_ratio_d, 360, 288, 533333, 500000, 16, 15));
fail_unless (display_ratio_n == 1599999 && display_ratio_d == 1280000);
}
GST_END_TEST;
GST_START_TEST (test_parse_caps_rgb)
{
struct
{
const gchar *tmpl_caps_string;
GstVideoFormat fmt;
} formats[] = {
/* 24 bit */
{
GST_VIDEO_CAPS_RGB, GST_VIDEO_FORMAT_RGB}, {
GST_VIDEO_CAPS_BGR, GST_VIDEO_FORMAT_BGR},
/* 32 bit (no alpha) */
{
GST_VIDEO_CAPS_RGBx, GST_VIDEO_FORMAT_RGBx}, {
GST_VIDEO_CAPS_xRGB, GST_VIDEO_FORMAT_xRGB}, {
GST_VIDEO_CAPS_BGRx, GST_VIDEO_FORMAT_BGRx}, {
GST_VIDEO_CAPS_xBGR, GST_VIDEO_FORMAT_xBGR},
/* 32 bit (with alpha) */
{
GST_VIDEO_CAPS_RGBA, GST_VIDEO_FORMAT_RGBA}, {
GST_VIDEO_CAPS_ARGB, GST_VIDEO_FORMAT_ARGB}, {
GST_VIDEO_CAPS_BGRA, GST_VIDEO_FORMAT_BGRA}, {
GST_VIDEO_CAPS_ABGR, GST_VIDEO_FORMAT_ABGR}
};
gint i;
for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
GstVideoFormat fmt = GST_VIDEO_FORMAT_UNKNOWN;
GstCaps *caps, *caps2;
int w = -1, h = -1;
caps = gst_caps_from_string (formats[i].tmpl_caps_string);
gst_caps_set_simple (caps, "width", G_TYPE_INT, 2 * (i + 1), "height",
G_TYPE_INT, i + 1, "framerate", GST_TYPE_FRACTION, 15, 1,
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
g_assert (gst_caps_is_fixed (caps));
GST_DEBUG ("testing caps: %" GST_PTR_FORMAT, caps);
fail_unless (gst_video_format_parse_caps (caps, &fmt, &w, &h));
fail_unless_equals_int (fmt, formats[i].fmt);
fail_unless_equals_int (w, 2 * (i + 1));
fail_unless_equals_int (h, i + 1);
/* make sure they're serialised back correctly */
caps2 = gst_video_format_new_caps (fmt, w, h, 15, 1, 1, 1);
fail_unless (caps != NULL);
fail_unless (gst_caps_is_equal (caps, caps2));
gst_caps_unref (caps);
gst_caps_unref (caps2);
}
}
GST_END_TEST;
GST_START_TEST (test_events)
{
GstEvent *e;
gboolean in_still;
e = gst_video_event_new_still_frame (TRUE);
fail_if (e == NULL, "Failed to create still frame event");
fail_unless (gst_video_event_parse_still_frame (e, &in_still),
"Failed to parse still frame event");
fail_unless (gst_video_event_parse_still_frame (e, NULL),
"Failed to parse still frame event w/ in_still == NULL");
fail_unless (in_still == TRUE);
gst_event_unref (e);
e = gst_video_event_new_still_frame (FALSE);
fail_if (e == NULL, "Failed to create still frame event");
fail_unless (gst_video_event_parse_still_frame (e, &in_still),
"Failed to parse still frame event");
fail_unless (gst_video_event_parse_still_frame (e, NULL),
"Failed to parse still frame event w/ in_still == NULL");
fail_unless (in_still == FALSE);
gst_event_unref (e);
}
GST_END_TEST;
static Suite *
video_suite (void)
{
Suite *s = suite_create ("video support library");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_video_formats);
tcase_add_test (tc_chain, test_dar_calc);
tcase_add_test (tc_chain, test_parse_caps_rgb);
tcase_add_test (tc_chain, test_events);
return s;
}
GST_CHECK_MAIN (video);
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