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coral / mtk-gst-plugins-base-debian / 7ea8a65dd5a531d8a130ea34f43714c82702753d / . / tests / check / libs / video.c
blob: d37c0b5714213adf5c8fc312cbd75bc3a03de937 [file] [log] [blame]
/* 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) <2008,2011> Tim-Philipp Müller <tim centricular net>
* Copyright (C) <2012> Collabora Ltd. <tim.muller@collabora.co.uk>
*
* 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
#ifdef HAVE_VALGRIND
# include <valgrind/valgrind.h>
#endif
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/video-overlay-composition.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_GRAY8 (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},
/* GRAY8 grayscale */
{"GRAY8", "GRAY8", 8, paint_setup_GRAY8}
};
/* 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_GRAY8 (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)
{
p->yp = dest;
p->ystride = GST_ROUND_UP_4 (p->width);
p->vp = p->yp + p->ystride * p->height;
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->up = p->vp + p->vstride * (GST_ROUND_UP_4 (p->height) / 4);
p->ustride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->up + p->ustride * (GST_ROUND_UP_4 (p->height) / 4);
}
static void
paint_setup_YUV9 (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_4 (p->ystride / 4);
p->vp = p->up + p->ustride * (GST_ROUND_UP_4 (p->height) / 4);
p->vstride = GST_ROUND_UP_4 (p->ystride / 4);
p->endptr = p->vp + p->vstride * (GST_ROUND_UP_4 (p->height) / 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_GRAY8:
case GST_VIDEO_FORMAT_YUV9:
case GST_VIDEO_FORMAT_YVU9:
return FALSE;
case GST_VIDEO_FORMAT_IYU1:
case GST_VIDEO_FORMAT_IYU2:
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:
case GST_VIDEO_FORMAT_RGB8P:
return TRUE;
default:
g_return_val_if_reached (FALSE);
}
return FALSE;
}
static gint
get_num_formats (void)
{
gint num_formats = 100;
fail_unless (gst_video_format_to_string (num_formats) == NULL);
while (gst_video_format_to_string (num_formats) == NULL)
--num_formats;
GST_INFO ("number of known video formats: %d", num_formats);
return num_formats + 1;
}
GST_START_TEST (test_video_formats_all)
{
GstStructure *s;
const GValue *val, *list_val;
GstCaps *caps;
guint num, n, num_formats;
num_formats = get_num_formats ();
caps = gst_caps_from_string ("video/x-raw, format=" GST_VIDEO_FORMATS_ALL);
s = gst_caps_get_structure (caps, 0);
val = gst_structure_get_value (s, "format");
fail_unless (val != NULL);
fail_unless (GST_VALUE_HOLDS_LIST (val));
num = gst_value_list_get_size (val);
fail_unless (num > 0);
for (n = 0; n < num; ++n) {
const gchar *fmt_str;
list_val = gst_value_list_get_value (val, n);
fail_unless (G_VALUE_HOLDS_STRING (list_val));
fmt_str = g_value_get_string (list_val);
GST_INFO ("format: %s", fmt_str);
fail_if (gst_video_format_from_string (fmt_str) ==
GST_VIDEO_FORMAT_UNKNOWN);
}
/* Take into account GST_VIDEO_FORMAT_ENCODED and UNKNOWN */
fail_unless_equals_int (num, num_formats - 2);
gst_caps_unref (caps);
}
GST_END_TEST;
#define WIDTH 77
#define HEIGHT 20
GST_START_TEST (test_video_formats_pack_unpack)
{
guint n, num_formats;
num_formats = get_num_formats ();
for (n = GST_VIDEO_FORMAT_ENCODED + 1; n < num_formats; ++n) {
const GstVideoFormatInfo *vfinfo, *unpackinfo;
GstVideoFormat fmt = n;
GstVideoInfo vinfo;
gpointer data[GST_VIDEO_MAX_PLANES];
gint stride[GST_VIDEO_MAX_PLANES];
guint8 *vdata, *unpack_data;
gsize vsize, unpack_size;
guint p;
GST_INFO ("testing %s", gst_video_format_to_string (fmt));
vfinfo = gst_video_format_get_info (fmt);
fail_unless (vfinfo != NULL);
unpackinfo = gst_video_format_get_info (vfinfo->unpack_format);
fail_unless (unpackinfo != NULL);
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, fmt, WIDTH, HEIGHT);
vsize = GST_VIDEO_INFO_SIZE (&vinfo);
vdata = g_malloc (vsize);
memset (vdata, 0x99, vsize);
g_assert (vfinfo->pack_lines == 1);
unpack_size =
GST_VIDEO_FORMAT_INFO_BITS (unpackinfo) *
GST_VIDEO_FORMAT_INFO_N_COMPONENTS (unpackinfo) *
GST_ROUND_UP_16 (WIDTH);
unpack_data = g_malloc (unpack_size);
for (p = 0; p < GST_VIDEO_INFO_N_PLANES (&vinfo); ++p) {
data[p] = vdata + GST_VIDEO_INFO_PLANE_OFFSET (&vinfo, p);
stride[p] = GST_VIDEO_INFO_PLANE_STRIDE (&vinfo, p);
}
/* now unpack */
vfinfo->unpack_func (vfinfo, GST_VIDEO_PACK_FLAG_NONE, unpack_data, data,
stride, 0, 0, WIDTH);
/* and pack */
vfinfo->pack_func (vfinfo, GST_VIDEO_PACK_FLAG_NONE, unpack_data,
unpack_size, data, stride, GST_VIDEO_CHROMA_SITE_UNKNOWN, 0, WIDTH);
/* now unpack */
vfinfo->unpack_func (vfinfo, GST_VIDEO_PACK_FLAG_NONE, unpack_data, data,
stride, 0, HEIGHT - 1, WIDTH);
/* and pack */
vfinfo->pack_func (vfinfo, GST_VIDEO_PACK_FLAG_NONE, unpack_data,
unpack_size, data, stride, GST_VIDEO_CHROMA_SITE_UNKNOWN, HEIGHT - 1,
WIDTH);
g_free (unpack_data);
g_free (vdata);
}
}
GST_END_TEST;
#undef WIDTH
#undef HEIGHT
GST_START_TEST (test_video_formats)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (fourcc_list); ++i) {
const GstVideoFormatInfo *vf_info;
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) {
GST_DEBUG ("Unknown format %s, skipping tests", fourcc_list[i].fourcc);
continue;
}
vf_info = gst_video_format_get_info (fmt);
fail_unless (vf_info != NULL);
fail_unless_equals_int (GST_VIDEO_FORMAT_INFO_FORMAT (vf_info), fmt);
GST_INFO ("Fourcc %s, packed=%d", fourcc_list[i].fourcc,
gst_video_format_is_packed (fmt));
fail_unless (GST_VIDEO_FORMAT_INFO_IS_YUV (vf_info));
/* 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_INFO_HAS_ALPHA (vf_info));
} else {
fail_if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (vf_info));
}
}
for (w = 1; w <= 65; ++w) {
for (h = 1; h <= 65; ++h) {
GstVideoInfo vinfo;
paintinfo paintinfo = { 0, };
guint off0, off1, off2, off3;
guint cs0, cs1, cs2, cs3;
guint size;
GST_LOG ("%s, %dx%d", fourcc_list[i].fourcc, w, h);
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, fmt, w, h);
paintinfo.width = w;
paintinfo.height = h;
fourcc_list[i].paint_setup (&paintinfo, NULL);
fail_unless_equals_int (GST_VIDEO_INFO_COMP_STRIDE (&vinfo, 0),
paintinfo.ystride);
if (!gst_video_format_is_packed (fmt)
&& GST_VIDEO_INFO_N_PLANES (&vinfo) <= 2) {
/* planar */
fail_unless_equals_int (GST_VIDEO_INFO_COMP_STRIDE (&vinfo, 1),
paintinfo.ustride);
fail_unless_equals_int (GST_VIDEO_INFO_COMP_STRIDE (&vinfo, 2),
paintinfo.vstride);
/* check component_width * height against offsets/size somehow? */
}
size = GST_VIDEO_INFO_SIZE (&vinfo);
off0 = GST_VIDEO_INFO_COMP_OFFSET (&vinfo, 0);
off1 = GST_VIDEO_INFO_COMP_OFFSET (&vinfo, 1);
off2 = GST_VIDEO_INFO_COMP_OFFSET (&vinfo, 2);
GST_INFO ("size %d <> %d", size, (int) ((guintptr) paintinfo.endptr));
GST_INFO ("off0 %d <> %d", off0, (int) ((guintptr) paintinfo.yp));
GST_INFO ("off1 %d <> %d", off1, (int) ((guintptr) paintinfo.up));
GST_INFO ("off2 %d <> %d", off2, (int) ((guintptr) paintinfo.vp));
fail_unless_equals_int (size, (unsigned long) paintinfo.endptr);
fail_unless_equals_int (off0, (unsigned long) paintinfo.yp);
fail_unless_equals_int (off1, (unsigned long) paintinfo.up);
fail_unless_equals_int (off2, (unsigned long) paintinfo.vp);
/* should be 0 if there's no alpha component */
off3 = GST_VIDEO_INFO_COMP_OFFSET (&vinfo, 3);
fail_unless_equals_int (off3, (unsigned long) paintinfo.ap);
cs0 = GST_VIDEO_INFO_COMP_WIDTH (&vinfo, 0) *
GST_VIDEO_INFO_COMP_HEIGHT (&vinfo, 0);
cs1 = GST_VIDEO_INFO_COMP_WIDTH (&vinfo, 1) *
GST_VIDEO_INFO_COMP_HEIGHT (&vinfo, 1);
cs2 = GST_VIDEO_INFO_COMP_WIDTH (&vinfo, 2) *
GST_VIDEO_INFO_COMP_HEIGHT (&vinfo, 2);
/* 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_INFO_HAS_ALPHA (vinfo.finfo)) {
cs3 = GST_VIDEO_INFO_COMP_WIDTH (&vinfo, 3) *
GST_VIDEO_INFO_COMP_HEIGHT (&vinfo, 2);
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_video_formats_rgb)
{
GstVideoInfo vinfo;
gint width, height, framerate_n, framerate_d, par_n, par_d;
GstCaps *caps;
GstStructure *structure;
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_RGB, 800, 600);
vinfo.par_n = 1;
vinfo.par_d = 1;
vinfo.fps_n = 0;
vinfo.fps_d = 1;
caps = gst_video_info_to_caps (&vinfo);
structure = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_int (structure, "width", &width));
fail_unless (gst_structure_get_int (structure, "height", &height));
fail_unless (gst_structure_get_fraction (structure, "framerate", &framerate_n,
&framerate_d));
fail_unless (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
&par_n, &par_d));
fail_unless (width == 800);
fail_unless (height == 600);
fail_unless (framerate_n == 0);
fail_unless (framerate_d == 1);
fail_unless (par_n == 1);
fail_unless (par_d == 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_video_formats_rgba_large_dimension)
{
GstVideoInfo vinfo;
gint width, height, framerate_n, framerate_d, par_n, par_d;
GstCaps *caps;
GstStructure *structure;
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_RGBA, 29700, 21000);
vinfo.par_n = 1;
vinfo.par_d = 1;
vinfo.fps_n = 0;
vinfo.fps_d = 1;
caps = gst_video_info_to_caps (&vinfo);
structure = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_int (structure, "width", &width));
fail_unless (gst_structure_get_int (structure, "height", &height));
fail_unless (gst_structure_get_fraction (structure, "framerate", &framerate_n,
&framerate_d));
fail_unless (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
&par_n, &par_d));
fail_unless (width == 29700);
fail_unless (height == 21000);
fail_unless (framerate_n == 0);
fail_unless (framerate_d == 1);
fail_unless (par_n == 1);
fail_unless (par_d == 1);
fail_unless (vinfo.size == (gsize) 29700 * 21000 * 4);
gst_caps_unref (caps);
}
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_MAKE ("RGB"), GST_VIDEO_FORMAT_RGB}, {
GST_VIDEO_CAPS_MAKE ("BGR"), GST_VIDEO_FORMAT_BGR},
/* 32 bit (no alpha) */
{
GST_VIDEO_CAPS_MAKE ("RGBx"), GST_VIDEO_FORMAT_RGBx}, {
GST_VIDEO_CAPS_MAKE ("xRGB"), GST_VIDEO_FORMAT_xRGB}, {
GST_VIDEO_CAPS_MAKE ("BGRx"), GST_VIDEO_FORMAT_BGRx}, {
GST_VIDEO_CAPS_MAKE ("xBGR"), GST_VIDEO_FORMAT_xBGR},
/* 32 bit (with alpha) */
{
GST_VIDEO_CAPS_MAKE ("RGBA"), GST_VIDEO_FORMAT_RGBA}, {
GST_VIDEO_CAPS_MAKE ("ARGB"), GST_VIDEO_FORMAT_ARGB}, {
GST_VIDEO_CAPS_MAKE ("BGRA"), GST_VIDEO_FORMAT_BGRA}, {
GST_VIDEO_CAPS_MAKE ("ABGR"), GST_VIDEO_FORMAT_ABGR},
/* 16 bit */
{
GST_VIDEO_CAPS_MAKE ("RGB16"), GST_VIDEO_FORMAT_RGB16}, {
GST_VIDEO_CAPS_MAKE ("BGR16"), GST_VIDEO_FORMAT_BGR16}, {
GST_VIDEO_CAPS_MAKE ("RGB15"), GST_VIDEO_FORMAT_RGB15}, {
GST_VIDEO_CAPS_MAKE ("BGR15"), GST_VIDEO_FORMAT_BGR15}
};
gint i;
for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
GstVideoInfo vinfo;
GstCaps *caps, *caps2;
caps = gst_caps_from_string (formats[i].tmpl_caps_string);
fail_unless (caps != NULL);
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,
"interlace-mode", G_TYPE_STRING, "progressive",
"colorimetry", G_TYPE_STRING, "1:1:0:0",
"multiview-mode", G_TYPE_STRING, "mono",
"multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET, 0,
GST_FLAG_SET_MASK_EXACT, NULL);
g_assert (gst_caps_is_fixed (caps));
GST_DEBUG ("testing caps: %" GST_PTR_FORMAT, caps);
gst_video_info_init (&vinfo);
fail_unless (gst_video_info_from_caps (&vinfo, caps));
fail_unless_equals_int (GST_VIDEO_INFO_FORMAT (&vinfo), formats[i].fmt);
fail_unless_equals_int (GST_VIDEO_INFO_WIDTH (&vinfo), 2 * (i + 1));
fail_unless_equals_int (GST_VIDEO_INFO_HEIGHT (&vinfo), i + 1);
/* make sure they're serialised back correctly */
caps2 = gst_video_info_to_caps (&vinfo);
fail_unless (caps2 != NULL);
if (!gst_caps_is_equal (caps, caps2)) {
gchar *caps1s = gst_caps_to_string (caps);
gchar *caps2s = gst_caps_to_string (caps2);
fail ("caps [%s] not equal to caps2 [%s]", caps1s, caps2s);
g_free (caps1s);
g_free (caps2s);
}
gst_caps_unref (caps);
gst_caps_unref (caps2);
}
}
GST_END_TEST;
GST_START_TEST (test_parse_caps_multiview)
{
gint i, j;
GstVideoMultiviewMode modes[] = {
GST_VIDEO_MULTIVIEW_MODE_MONO,
GST_VIDEO_MULTIVIEW_MODE_LEFT,
GST_VIDEO_MULTIVIEW_MODE_RIGHT,
GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE,
GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX,
GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED,
GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED,
GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM,
GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD,
GST_VIDEO_MULTIVIEW_MODE_FRAME_BY_FRAME,
GST_VIDEO_MULTIVIEW_MODE_MULTIVIEW_FRAME_BY_FRAME,
GST_VIDEO_MULTIVIEW_MODE_SEPARATED,
};
GstVideoMultiviewFlags flags[] = {
GST_VIDEO_MULTIVIEW_FLAGS_NONE,
GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST,
GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED,
GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED,
GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED,
GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED,
GST_VIDEO_MULTIVIEW_FLAGS_MIXED_MONO,
GST_VIDEO_MULTIVIEW_FLAGS_MIXED_MONO |
GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST,
GST_VIDEO_MULTIVIEW_FLAGS_MIXED_MONO |
GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED
};
for (i = 0; i < G_N_ELEMENTS (modes); i++) {
for (j = 0; j < G_N_ELEMENTS (flags); j++) {
GstVideoInfo vinfo;
GstCaps *caps;
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_I420, 320, 240);
GST_VIDEO_INFO_MULTIVIEW_MODE (&vinfo) = modes[i];
GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vinfo) = flags[j];
caps = gst_video_info_to_caps (&vinfo);
fail_if (caps == NULL);
GST_LOG ("mview mode %d flags %x -> caps %" GST_PTR_FORMAT,
modes[i], flags[j], caps);
fail_unless (gst_video_info_from_caps (&vinfo, caps));
GST_LOG ("mview mode %d flags %x -> info mode %d flags %x",
modes[i], flags[j], GST_VIDEO_INFO_MULTIVIEW_MODE (&vinfo),
GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vinfo));
fail_unless (GST_VIDEO_INFO_MULTIVIEW_MODE (&vinfo) == modes[i],
"Expected multiview mode %d got mode %d", modes[i],
GST_VIDEO_INFO_MULTIVIEW_MODE (&vinfo));
fail_unless (GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vinfo) == flags[j],
"Expected multiview flags 0x%x got 0x%x", flags[j],
GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vinfo));
gst_caps_unref (caps);
}
}
}
GST_END_TEST;
typedef struct
{
const gchar *string_from;
const gchar *string_to;
const gchar *name;
GstVideoColorimetry color;
} ColorimetryTest;
#define MAKE_COLORIMETRY_TEST(s1,s2,n,r,m,t,p) { s1, s2, n, \
{ GST_VIDEO_COLOR_RANGE ##r, GST_VIDEO_COLOR_MATRIX_ ##m, \
GST_VIDEO_TRANSFER_ ##t, GST_VIDEO_COLOR_PRIMARIES_ ##p } }
GST_START_TEST (test_parse_colorimetry)
{
ColorimetryTest tests[] = {
MAKE_COLORIMETRY_TEST ("bt601", "bt601", "bt601",
_16_235, BT601, BT709, SMPTE170M),
MAKE_COLORIMETRY_TEST ("2:4:5:4", "bt601", "bt601",
_16_235, BT601, BT709, SMPTE170M),
MAKE_COLORIMETRY_TEST ("bt709", "bt709", "bt709",
_16_235, BT709, BT709, BT709),
MAKE_COLORIMETRY_TEST ("smpte240m", "smpte240m", "smpte240m",
_16_235, SMPTE240M, SMPTE240M, SMPTE240M),
MAKE_COLORIMETRY_TEST ("sRGB", "sRGB", "sRGB",
_0_255, RGB, SRGB, BT709),
MAKE_COLORIMETRY_TEST ("bt2020", "bt2020", "bt2020",
_16_235, BT2020, BT2020_12, BT2020),
MAKE_COLORIMETRY_TEST ("1:4:0:0", "1:4:0:0", NULL,
_0_255, BT601, UNKNOWN, UNKNOWN),
};
gint i;
for (i = 0; i < G_N_ELEMENTS (tests); i++) {
const ColorimetryTest *test = &tests[i];
GstVideoColorimetry color;
gchar *string;
fail_unless (gst_video_colorimetry_from_string (&color, test->string_from));
fail_unless_equals_int (color.range, test->color.range);
fail_unless_equals_int (color.matrix, test->color.matrix);
fail_unless_equals_int (color.transfer, test->color.transfer);
fail_unless_equals_int (color.primaries, test->color.primaries);
string = gst_video_colorimetry_to_string (&color);
fail_unless_equals_string (string, test->string_to);
g_free (string);
fail_unless (gst_video_colorimetry_is_equal (&color, &test->color));
if (test->name)
fail_unless (gst_video_colorimetry_matches (&color, test->name));
}
}
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;
GST_START_TEST (test_convert_frame)
{
GstVideoInfo vinfo;
GstCaps *from_caps, *to_caps;
GstBuffer *from_buffer;
GstSample *from_sample, *to_sample;
GError *error = NULL;
gint i;
GstMapInfo map;
gst_debug_set_threshold_for_name ("default", GST_LEVEL_NONE);
from_buffer = gst_buffer_new_and_alloc (640 * 480 * 4);
gst_buffer_map (from_buffer, &map, GST_MAP_WRITE);
for (i = 0; i < 640 * 480; i++) {
map.data[4 * i + 0] = 0; /* x */
map.data[4 * i + 1] = 255; /* R */
map.data[4 * i + 2] = 0; /* G */
map.data[4 * i + 3] = 0; /* B */
}
gst_buffer_unmap (from_buffer, &map);
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_xRGB, 640, 480);
vinfo.fps_n = 25;
vinfo.fps_d = 1;
vinfo.par_n = 1;
vinfo.par_d = 1;
from_caps = gst_video_info_to_caps (&vinfo);
from_sample = gst_sample_new (from_buffer, from_caps, NULL, NULL);
to_caps =
gst_caps_from_string
("something/that, does=(string)not, exist=(boolean)FALSE");
to_sample =
gst_video_convert_sample (from_sample, to_caps,
GST_CLOCK_TIME_NONE, &error);
fail_if (to_sample != NULL);
fail_unless (error != NULL);
g_error_free (error);
error = NULL;
gst_caps_unref (to_caps);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_I420, 240, 320);
vinfo.fps_n = 25;
vinfo.fps_d = 1;
vinfo.par_n = 1;
vinfo.par_d = 2;
to_caps = gst_video_info_to_caps (&vinfo);
to_sample =
gst_video_convert_sample (from_sample, to_caps,
GST_CLOCK_TIME_NONE, &error);
fail_unless (to_sample != NULL);
fail_unless (error == NULL);
gst_buffer_unref (from_buffer);
gst_caps_unref (from_caps);
gst_sample_unref (from_sample);
gst_sample_unref (to_sample);
gst_caps_unref (to_caps);
}
GST_END_TEST;
typedef struct
{
GMainLoop *loop;
GstSample *sample;
GError *error;
} ConvertFrameContext;
static void
convert_sample_async_callback (GstSample * sample, GError * err,
ConvertFrameContext * cf_data)
{
cf_data->sample = sample;
cf_data->error = err;
g_main_loop_quit (cf_data->loop);
}
GST_START_TEST (test_convert_frame_async)
{
GstVideoInfo vinfo;
GstCaps *from_caps, *to_caps;
GstBuffer *from_buffer;
GstSample *from_sample;
gint i;
GstMapInfo map;
GMainLoop *loop;
ConvertFrameContext cf_data = { NULL, NULL, NULL };
gst_debug_set_threshold_for_name ("default", GST_LEVEL_NONE);
from_buffer = gst_buffer_new_and_alloc (640 * 480 * 4);
gst_buffer_map (from_buffer, &map, GST_MAP_WRITE);
for (i = 0; i < 640 * 480; i++) {
map.data[4 * i + 0] = 0; /* x */
map.data[4 * i + 1] = 255; /* R */
map.data[4 * i + 2] = 0; /* G */
map.data[4 * i + 3] = 0; /* B */
}
gst_buffer_unmap (from_buffer, &map);
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_xRGB, 640, 470);
vinfo.par_n = 1;
vinfo.par_d = 1;
vinfo.fps_n = 25;
vinfo.fps_d = 1;
from_caps = gst_video_info_to_caps (&vinfo);
to_caps =
gst_caps_from_string
("something/that, does=(string)not, exist=(boolean)FALSE");
loop = cf_data.loop = g_main_loop_new (NULL, FALSE);
from_sample = gst_sample_new (from_buffer, from_caps, NULL, NULL);
gst_buffer_unref (from_buffer);
gst_caps_unref (from_caps);
gst_video_convert_sample_async (from_sample, to_caps,
GST_CLOCK_TIME_NONE,
(GstVideoConvertSampleCallback) convert_sample_async_callback, &cf_data,
NULL);
g_main_loop_run (loop);
fail_if (cf_data.sample != NULL);
fail_unless (cf_data.error != NULL);
g_error_free (cf_data.error);
cf_data.error = NULL;
gst_caps_unref (to_caps);
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_I420, 240, 320);
vinfo.par_n = 1;
vinfo.par_d = 2;
vinfo.fps_n = 25;
vinfo.fps_d = 1;
to_caps = gst_video_info_to_caps (&vinfo);
gst_video_convert_sample_async (from_sample, to_caps,
GST_CLOCK_TIME_NONE,
(GstVideoConvertSampleCallback) convert_sample_async_callback, &cf_data,
NULL);
g_main_loop_run (loop);
fail_unless (cf_data.sample != NULL);
fail_unless (cf_data.error == NULL);
gst_sample_unref (cf_data.sample);
gst_caps_unref (to_caps);
gst_sample_unref (from_sample);
g_main_loop_unref (loop);
}
GST_END_TEST;
GST_START_TEST (test_video_size_from_caps)
{
GstVideoInfo vinfo;
GstCaps *caps;
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, "YV12",
"width", G_TYPE_INT, 640,
"height", G_TYPE_INT, 480, "framerate", GST_TYPE_FRACTION, 25, 1, NULL);
gst_video_info_init (&vinfo);
fail_unless (gst_video_info_from_caps (&vinfo, caps));
fail_unless (GST_VIDEO_INFO_SIZE (&vinfo) == (640 * 480 * 12 / 8));
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_overlay_composition)
{
GstVideoOverlayComposition *comp1, *comp2;
GstVideoOverlayRectangle *rect1, *rect2;
GstVideoOverlayCompositionMeta *ometa;
GstBuffer *pix1, *pix2, *buf;
GstVideoMeta *vmeta;
guint seq1, seq2;
guint w, h, stride;
gint x, y;
guint8 val;
pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
gst_buffer_memset (pix1, 0, 0, gst_buffer_get_size (pix1));
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
rect1 = gst_video_overlay_rectangle_new_raw (pix1,
600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
gst_buffer_unref (pix1);
pix1 = NULL;
comp1 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_n_rectangles (comp1) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp1, 0) == rect1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp1, 1) == NULL);
/* rectangle was created first, sequence number should be smaller */
seq1 = gst_video_overlay_rectangle_get_seqnum (rect1);
seq2 = gst_video_overlay_composition_get_seqnum (comp1);
fail_unless (seq1 < seq2);
/* composition took own ref, so refcount is 2 now, so this should fail */
ASSERT_CRITICAL (gst_video_overlay_rectangle_set_render_rectangle (rect1, 50,
600, 300, 50));
/* drop our ref, so refcount is 1 (we know it will continue to be valid) */
gst_video_overlay_rectangle_unref (rect1);
gst_video_overlay_rectangle_set_render_rectangle (rect1, 50, 600, 300, 50);
comp2 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_n_rectangles (comp2) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 0) == rect1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 1) == NULL);
fail_unless (seq1 < gst_video_overlay_composition_get_seqnum (comp2));
fail_unless (seq2 < gst_video_overlay_composition_get_seqnum (comp2));
/* now refcount is 2 again because comp2 has also taken a ref, so must fail */
ASSERT_CRITICAL (gst_video_overlay_rectangle_set_render_rectangle (rect1, 0,
0, 1, 1));
/* this should make a copy of the rectangles so drop the original
* second ref on rect1 */
comp2 = gst_video_overlay_composition_make_writable (comp2);
gst_video_overlay_rectangle_set_render_rectangle (rect1, 51, 601, 301, 51);
rect2 = gst_video_overlay_composition_get_rectangle (comp2, 0);
fail_unless (gst_video_overlay_composition_n_rectangles (comp2) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 0) == rect2);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 1) == NULL);
fail_unless (rect1 != rect2);
gst_video_overlay_composition_add_rectangle (comp1, rect2);
gst_video_overlay_composition_ref (comp1);
ASSERT_CRITICAL (gst_video_overlay_composition_add_rectangle (comp1, rect2));
gst_video_overlay_composition_unref (comp1);
/* make sure the copy really worked */
gst_video_overlay_rectangle_get_render_rectangle (rect1, &x, &y, &w, &h);
fail_unless_equals_int (x, 51);
fail_unless_equals_int (y, 601);
fail_unless_equals_int (w, 301);
fail_unless_equals_int (h, 51);
/* get scaled pixbuf and touch last byte */
pix1 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
stride = 4 * w;
fail_unless (gst_buffer_get_size (pix1) > ((h - 1) * stride + (w * 4) - 1),
"size %u vs. last pixel offset %u", gst_buffer_get_size (pix1),
((h - 1) * stride + (w * 4) - 1));
gst_buffer_extract (pix1, ((h - 1) * stride + (w * 4) - 1), &val, 1);
fail_unless_equals_int (val, 0);
gst_video_overlay_rectangle_get_render_rectangle (rect2, &x, &y, &w, &h);
fail_unless_equals_int (x, 50);
fail_unless_equals_int (y, 600);
fail_unless_equals_int (w, 300);
fail_unless_equals_int (h, 50);
/* get scaled pixbuf and touch last byte */
pix2 = gst_video_overlay_rectangle_get_pixels_raw (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
stride = 4 * w;
fail_unless (gst_buffer_get_size (pix2) > ((h - 1) * stride + (w * 4) - 1),
"size %u vs. last pixel offset %u", gst_buffer_get_size (pix1),
((h - 1) * stride + (w * 4) - 1));
gst_buffer_extract (pix2, ((h - 1) * stride + (w * 4) - 1), &val, 1);
fail_unless_equals_int (val, 0);
/* get scaled pixbuf again, should be the same buffer as before (caching) */
pix1 = gst_video_overlay_rectangle_get_pixels_raw (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
/* get in different format */
pix1 = gst_video_overlay_rectangle_get_pixels_ayuv (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 != pix2);
/* get it again, should be same (caching) */
pix2 = gst_video_overlay_rectangle_get_pixels_ayuv (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
/* get unscaled, should be different */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_ayuv (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 != pix2);
/* but should be cached */
pix1 = gst_video_overlay_rectangle_get_pixels_unscaled_ayuv (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
vmeta = gst_buffer_get_video_meta (pix1);
fail_unless (vmeta != NULL);
w = vmeta->width;
h = vmeta->height;
fail_unless_equals_int (w, 200);
fail_unless_equals_int (h, 50);
fail_unless_equals_int (vmeta->format,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_YUV);
fail_unless (gst_buffer_get_size (pix1) == w * h * 4);
gst_buffer_extract (pix1, 0, &seq1, 4);
fail_unless (seq1 != 0);
/* now compare the original unscaled ones */
pix1 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect2,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
vmeta = gst_buffer_get_video_meta (pix2);
fail_unless (vmeta != NULL);
w = vmeta->width;
h = vmeta->height;
/* the original pixel buffers should be identical */
fail_unless (pix1 == pix2);
fail_unless_equals_int (w, 200);
fail_unless_equals_int (h, 50);
stride = 4 * w;
/* touch last byte */
fail_unless (gst_buffer_get_size (pix1) > ((h - 1) * stride + (w * 4) - 1),
"size %u vs. last pixel offset %u", gst_buffer_get_size (pix1),
((h - 1) * stride + (w * 4) - 1));
gst_buffer_extract (pix1, ((h - 1) * stride + (w * 4) - 1), &val, 1);
fail_unless_equals_int (val, 0);
/* test attaching and retrieving of compositions to/from buffers */
buf = gst_buffer_new ();
fail_unless (gst_buffer_get_video_overlay_composition_meta (buf) == NULL);
gst_buffer_ref (buf);
/* buffer now has refcount of 2, so its metadata is not writable.
* only check this if we are not running in valgrind, as it leaks */
#ifdef HAVE_VALGRIND
if (!RUNNING_ON_VALGRIND) {
ASSERT_CRITICAL (gst_buffer_add_video_overlay_composition_meta (buf,
comp1));
}
#endif
gst_buffer_unref (buf);
gst_buffer_add_video_overlay_composition_meta (buf, comp1);
ometa = gst_buffer_get_video_overlay_composition_meta (buf);
fail_unless (ometa != NULL);
fail_unless (ometa->overlay == comp1);
fail_unless (gst_buffer_remove_video_overlay_composition_meta (buf, ometa));
gst_buffer_add_video_overlay_composition_meta (buf, comp2);
ometa = gst_buffer_get_video_overlay_composition_meta (buf);
fail_unless (ometa->overlay == comp2);
fail_unless (gst_buffer_remove_video_overlay_composition_meta (buf, ometa));
fail_unless (gst_buffer_get_video_overlay_composition_meta (buf) == NULL);
/* make sure the buffer cleans up its composition ref when unreffed */
gst_buffer_add_video_overlay_composition_meta (buf, comp2);
gst_buffer_unref (buf);
gst_video_overlay_composition_unref (comp2);
gst_video_overlay_composition_unref (comp1);
}
GST_END_TEST;
GST_START_TEST (test_overlay_composition_premultiplied_alpha)
{
GstVideoOverlayRectangle *rect1;
GstVideoMeta *vmeta;
GstBuffer *pix1, *pix2, *pix3, *pix4, *pix5;
GstBuffer *pix6, *pix7, *pix8, *pix9, *pix10;
guint8 *data5, *data7;
guint w, h, w2, h2;
GstMapInfo map;
pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
gst_buffer_memset (pix1, 0, 0x80, gst_buffer_get_size (pix1));
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
rect1 = gst_video_overlay_rectangle_new_raw (pix1,
600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
gst_buffer_unref (pix1);
/* same flags, unscaled, should be the same buffer */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
/* same flags, but scaled */
pix3 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_if (pix3 == pix1 || pix3 == pix2);
/* same again, should hopefully get the same (cached) buffer as before */
pix4 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix4 == pix3);
/* just to update the vars */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
vmeta = gst_buffer_get_video_meta (pix2);
fail_unless (vmeta != NULL);
w = vmeta->width;
h = vmeta->height;
/* now, let's try to get premultiplied alpha from the unpremultiplied input */
pix5 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_if (pix5 == pix1 || pix5 == pix2 || pix5 == pix3);
vmeta = gst_buffer_get_video_meta (pix5);
fail_unless (vmeta != NULL);
w2 = vmeta->width;
h2 = vmeta->height;
fail_unless_equals_int (w, w2);
fail_unless_equals_int (h, h2);
fail_unless_equals_int (gst_buffer_get_size (pix2),
gst_buffer_get_size (pix5));
gst_buffer_map (pix5, &map, GST_MAP_READ);
fail_if (gst_buffer_memcmp (pix2, 0, map.data, map.size) == 0);
/* make sure it actually did what we expected it to do (input=0x80808080) */
data5 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data5[0], 0x40);
fail_unless_equals_int (data5[1], 0x40);
fail_unless_equals_int (data5[2], 0x40);
fail_unless_equals_int (data5[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data5[0], 0x80);
fail_unless_equals_int (data5[1], 0x40);
fail_unless_equals_int (data5[2], 0x40);
fail_unless_equals_int (data5[3], 0x40);
#endif
gst_buffer_unmap (pix5, &map);
/* same again, now we should be getting back the same buffer as before,
* as it should have been cached */
pix6 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_unless (pix6 == pix5);
/* just to update the stride var */
pix3 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix3 == pix4);
/* now try to get scaled premultiplied alpha from unpremultiplied input */
pix7 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_if (pix7 == pix1 || pix7 == pix2 || pix7 == pix3 || pix7 == pix5);
gst_buffer_map (pix7, &map, GST_MAP_READ);
data7 = map.data;
/* make sure it actually did what we expected it to do (input=0x80808080)
* hoping that the scaling didn't mess up our values */
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data7[0], 0x40);
fail_unless_equals_int (data7[1], 0x40);
fail_unless_equals_int (data7[2], 0x40);
fail_unless_equals_int (data7[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data7[0], 0x80);
fail_unless_equals_int (data7[1], 0x40);
fail_unless_equals_int (data7[2], 0x40);
fail_unless_equals_int (data7[3], 0x40);
#endif
gst_buffer_unmap (pix7, &map);
/* and the same again, it should be cached now */
pix8 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_unless (pix8 == pix7);
/* make sure other cached stuff is still there */
pix9 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix9 == pix3);
pix10 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_unless (pix10 == pix5);
gst_video_overlay_rectangle_unref (rect1);
}
GST_END_TEST;
GST_START_TEST (test_overlay_composition_global_alpha)
{
GstVideoOverlayRectangle *rect1;
GstBuffer *pix1, *pix2, *pix3, *pix4, *pix5;
GstVideoMeta *vmeta;
guint8 *data2, *data4, *data5;
guint w, h, w4, h4;
guint seq1, seq2;
gfloat ga1, ga2;
GstVideoOverlayFormatFlags flags1;
GstMapInfo map;
pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
gst_buffer_memset (pix1, 0, 0x80, gst_buffer_get_size (pix1));
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
rect1 = gst_video_overlay_rectangle_new_raw (pix1,
600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
gst_buffer_unref (pix1);
/* same flags, unscaled, should be the same buffer */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
vmeta = gst_buffer_get_video_meta (pix2);
fail_unless (vmeta != NULL);
w = vmeta->width;
h = vmeta->height;
/* same flags, but scaled */
pix3 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_if (pix3 == pix1 || pix3 == pix2);
/* get unscaled premultiplied data, new cached rectangle should be created */
pix4 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_if (pix4 == pix2 || pix4 == pix3);
vmeta = gst_buffer_get_video_meta (pix4);
fail_unless (vmeta != NULL);
w4 = vmeta->width;
h4 = vmeta->height;
fail_unless_equals_int (w, w4);
fail_unless_equals_int (h, h4);
fail_unless_equals_int (gst_buffer_get_size (pix2),
gst_buffer_get_size (pix4));
gst_buffer_map (pix4, &map, GST_MAP_READ);
fail_if (gst_buffer_memcmp (pix1, 0, map.data, map.size) == 0);
/* make sure it actually did what we expected it to do (input=0x80808080) */
data4 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data4[0], 0x40);
fail_unless_equals_int (data4[1], 0x40);
fail_unless_equals_int (data4[2], 0x40);
fail_unless_equals_int (data4[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data4[0], 0x80);
fail_unless_equals_int (data4[1], 0x40);
fail_unless_equals_int (data4[2], 0x40);
fail_unless_equals_int (data4[3], 0x40);
#endif
gst_buffer_unmap (pix4, &map);
/* now premultiplied and scaled, again a new cached rectangle should be cached */
pix5 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
fail_if (pix5 == pix2 || pix5 == pix3 || pix5 == pix4);
/* stride and size should be equal to the first scaled rect */
fail_unless_equals_int (gst_buffer_get_size (pix5),
gst_buffer_get_size (pix3));
/* data should be different (premutliplied) though */
gst_buffer_map (pix5, &map, GST_MAP_READ);
fail_if (gst_buffer_memcmp (pix3, 0, map.data, map.size) == 0);
/* make sure it actually did what we expected it to do (input=0x80808080) */
data5 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data5[0], 0x40);
fail_unless_equals_int (data5[1], 0x40);
fail_unless_equals_int (data5[2], 0x40);
fail_unless_equals_int (data5[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data5[0], 0x80);
fail_unless_equals_int (data5[1], 0x40);
fail_unless_equals_int (data5[2], 0x40);
fail_unless_equals_int (data5[3], 0x40);
#endif
gst_buffer_unmap (pix5, &map);
/* global_alpha should initially be 1.0 */
ga1 = gst_video_overlay_rectangle_get_global_alpha (rect1);
fail_unless_equals_float (ga1, 1.0);
/* now set global_alpha */
seq1 = gst_video_overlay_rectangle_get_seqnum (rect1);
gst_video_overlay_rectangle_set_global_alpha (rect1, 0.5);
ga2 = gst_video_overlay_rectangle_get_global_alpha (rect1);
fail_unless_equals_float (ga2, 0.5);
/* seqnum should have changed */
seq2 = gst_video_overlay_rectangle_get_seqnum (rect1);
fail_unless (seq1 < seq2);
/* internal flags should have been set */
flags1 = gst_video_overlay_rectangle_get_flags (rect1);
fail_unless_equals_int (flags1, GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
/* request unscaled pixel-data, global-alpha not applied */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
/* this should just return the same buffer */
fail_unless (pix2 == pix1);
/* make sure we got the initial data (input=0x80808080) */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* unscaled pixel-data, global-alpha applied */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
/* this should be the same buffer with on-the-fly modified alpha-channel */
fail_unless (pix2 == pix1);
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
/* make sure we got the initial data with adjusted alpha-channel */
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x40);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x40);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* adjust global_alpha once more */
gst_video_overlay_rectangle_set_global_alpha (rect1, 0.25);
ga2 = gst_video_overlay_rectangle_get_global_alpha (rect1);
fail_unless_equals_float (ga2, 0.25);
/* and again request unscaled pixel-data, global-alpha applied */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix2 == pix1);
/* make sure we got the initial data with adjusted alpha-channel */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x20);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x20);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* again: unscaled pixel-data, global-alpha not applied,
* this should revert alpha-channel to initial values */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
fail_unless (pix2 == pix1);
/* make sure we got the initial data (input=0x80808080) */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* now scaled, global-alpha not applied */
pix2 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
/* this should just return the rect/buffer, that was cached for these
* scaling dimensions */
fail_unless (pix2 == pix3);
/* make sure we got the initial data (input=0x80808080) */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* scaled, global-alpha (0.25) applied */
pix2 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
/* this should just return the rect/buffer, that was cached for these
* scaling dimensions with modified alpha channel */
fail_unless (pix2 == pix3);
/* make sure we got the data we expect for global-alpha=0.25 */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x20);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x20);
fail_unless_equals_int (data2[1], 0x80);
fail_unless_equals_int (data2[2], 0x80);
fail_unless_equals_int (data2[3], 0x80);
#endif
gst_buffer_unmap (pix2, &map);
/* now unscaled premultiplied data, global-alpha not applied,
* is this really a valid use case?*/
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA |
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
/* this should just return the rect/buffer, that was cached for the
* premultiplied data */
fail_unless (pix2 == pix4);
/* make sure we got what we expected */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x40);
fail_unless_equals_int (data2[1], 0x40);
fail_unless_equals_int (data2[2], 0x40);
fail_unless_equals_int (data2[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x40);
fail_unless_equals_int (data2[2], 0x40);
fail_unless_equals_int (data2[3], 0x40);
#endif
gst_buffer_unmap (pix2, &map);
/* unscaled premultiplied data, global-alpha (0.25) applied */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
/* this should just return the rect/buffer, that was cached for the
* premultiplied data */
fail_unless (pix2 == pix4);
/* make sure we got what we expected:
* (0x40 / (0x80/0xFF) * (0x20/0xFF) = 0x10
* NOTE: unless we are using round() for the premultiplied case
* in gst_video_overlay_rectangle_apply_global_alpha() we get rounding
* error, i.e. 0x0F here */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x0F);
fail_unless_equals_int (data2[1], 0x0F);
fail_unless_equals_int (data2[2], 0x0F);
fail_unless_equals_int (data2[3], 0x20);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x20);
fail_unless_equals_int (data2[1], 0x0F);
fail_unless_equals_int (data2[2], 0x0F);
fail_unless_equals_int (data2[3], 0x0F);
#endif
gst_buffer_unmap (pix2, &map);
/* set global_alpha once more */
gst_video_overlay_rectangle_set_global_alpha (rect1, 0.75);
/* and verify that also premultiplied data is adjusted
* correspondingly (though with increasing rounding errors) */
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
/* this should just return the rect/buffer, that was cached for the
* premultiplied data */
fail_unless (pix2 == pix4);
/* make sure we got what we expected:
* (0x0F / (0x20/0xFF) * (0x60/0xFF) = 0x2D
* NOTE: using floats everywhere we would get 0x30
* here we will actually end up with 0x2C */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x2C);
fail_unless_equals_int (data2[1], 0x2C);
fail_unless_equals_int (data2[2], 0x2C);
fail_unless_equals_int (data2[3], 0x60);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x60);
fail_unless_equals_int (data2[1], 0x2C);
fail_unless_equals_int (data2[2], 0x2C);
fail_unless_equals_int (data2[3], 0x2C);
#endif
gst_buffer_unmap (pix2, &map);
/* now scaled and premultiplied data, global-alpha not applied,
* is this really a valid use case?*/
pix2 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA |
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
/* this should just return the rect/buffer, that was cached for the
* first premultiplied+scaled rect*/
fail_unless (pix2 == pix5);
/* make sure we got what we expected */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x40);
fail_unless_equals_int (data2[1], 0x40);
fail_unless_equals_int (data2[2], 0x40);
fail_unless_equals_int (data2[3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x80);
fail_unless_equals_int (data2[1], 0x40);
fail_unless_equals_int (data2[2], 0x40);
fail_unless_equals_int (data2[3], 0x40);
#endif
gst_buffer_unmap (pix2, &map);
/* scaled and premultiplied data, global-alpha applied */
pix2 = gst_video_overlay_rectangle_get_pixels_raw (rect1,
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
/* this should just return the rect/buffer, that was cached for the
* first premultiplied+scaled rect*/
fail_unless (pix2 == pix5);
/* make sure we got what we expected; see above note about rounding errors! */
gst_buffer_map (pix2, &map, GST_MAP_READ);
data2 = map.data;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data2[0], 0x2F);
fail_unless_equals_int (data2[1], 0x2F);
fail_unless_equals_int (data2[2], 0x2F);
fail_unless_equals_int (data2[3], 0x60);
#else
/* A - R - G - B */
fail_unless_equals_int (data2[0], 0x60);
fail_unless_equals_int (data2[1], 0x2F);
fail_unless_equals_int (data2[2], 0x2F);
fail_unless_equals_int (data2[3], 0x2F);
#endif
gst_buffer_unmap (pix2, &map);
gst_video_overlay_rectangle_unref (rect1);
}
GST_END_TEST;
static guint8 *
make_pixels (gint depth, gint width, gint height)
{
guint32 color = 0xff000000;
gint i, j;
if (depth == 8) {
guint8 *pixels = g_malloc (width * height * 4);
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
pixels[(i * width + j) * 4 + 0] = ((color >> 24) & 0xff);
pixels[(i * width + j) * 4 + 1] = ((color >> 16) & 0xff);
pixels[(i * width + j) * 4 + 2] = ((color >> 8) & 0xff);
pixels[(i * width + j) * 4 + 3] = (color & 0xff);
color++;
}
}
return pixels;
} else {
#define TO16(a) (((a)<<8)|(a))
guint16 *pixels = g_malloc (width * height * 8);
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
pixels[(i * width + j) * 4 + 0] = TO16 ((color >> 24) & 0xff);
pixels[(i * width + j) * 4 + 1] = TO16 ((color >> 16) & 0xff);
pixels[(i * width + j) * 4 + 2] = TO16 ((color >> 8) & 0xff);
pixels[(i * width + j) * 4 + 3] = TO16 (color & 0xff);
color++;
}
}
#undef TO16
return (guint8 *) pixels;
}
}
#define HS(x,o) ((x)&hs[o])
#define WS(x,o) ((x)&ws[o])
#define IN(i,j,o) (in[(HS(i, o)*width + WS(j,o))*4+(o)] & mask[o])
#define OUT(i,j,o) (out[((i)*width + (j))*4+o] & mask[o])
static gint
compare_frame (const GstVideoFormatInfo * finfo, gint depth, guint8 * outpixels,
guint8 * pixels, gint width, gint height)
{
gint diff, i, j, k;
guint ws[4], hs[4], mask[4];
for (k = 0; k < 4; k++) {
hs[k] = G_MAXUINT << finfo->h_sub[(3 + k) % 4];
ws[k] = G_MAXUINT << finfo->w_sub[(3 + k) % 4];
mask[k] = G_MAXUINT << (depth - finfo->depth[(3 + k) % 4]);
}
diff = 0;
if (depth == 8) {
guint8 *in = pixels;
guint8 *out = outpixels;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
for (k = 0; k < 4; k++) {
diff += IN (i, j, k) != OUT (i, j, k);
}
}
}
} else {
guint16 *in = (guint16 *) pixels;
guint16 *out = (guint16 *) outpixels;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
for (k = 0; k < 4; k++) {
diff += IN (i, j, k) != OUT (i, j, k);
}
}
}
}
return diff;
}
#undef WS
#undef HS
#undef IN
#undef OUT
typedef struct
{
GstVideoFormat infmt;
GstVideoFormat outfmt;
gint method;
gdouble convert_sec;
} ConvertResult;
#define SIGN(a,b) ((a) < (b) ? -1 : (a) > (b) ? 1 : 0)
static gint
compare_result (gconstpointer a, gconstpointer b)
{
const ConvertResult *ap = a;
const ConvertResult *bp = b;
return SIGN (ap->convert_sec, bp->convert_sec);
}
#define UNPACK_FRAME(frame,dest,line,x,width) \
(frame)->info.finfo->unpack_func ((frame)->info.finfo, \
(GST_VIDEO_FRAME_IS_INTERLACED (frame) ? \
GST_VIDEO_PACK_FLAG_INTERLACED : \
GST_VIDEO_PACK_FLAG_NONE), \
dest, (frame)->data, (frame)->info.stride, x, \
line, width)
#define PACK_FRAME(frame,src,line,width) \
(frame)->info.finfo->pack_func ((frame)->info.finfo, \
(GST_VIDEO_FRAME_IS_INTERLACED (frame) ? \
GST_VIDEO_PACK_FLAG_INTERLACED : \
GST_VIDEO_PACK_FLAG_NONE), \
src, 0, (frame)->data, (frame)->info.stride, \
(frame)->info.chroma_site, line, width);
GST_START_TEST (test_video_pack_unpack2)
{
GstVideoFormat format;
GTimer *timer;
gint num_formats, i;
GArray *packarray, *unpackarray;
#define WIDTH 320
#define HEIGHT 240
/* set to something larger to do benchmarks */
#define TIME 0.01
timer = g_timer_new ();
packarray = g_array_new (FALSE, FALSE, sizeof (ConvertResult));
unpackarray = g_array_new (FALSE, FALSE, sizeof (ConvertResult));
num_formats = get_num_formats ();
GST_DEBUG ("pack/sec\t unpack/sec \tpack GB/sec\tunpack GB/sec\tformat");
for (format = GST_VIDEO_FORMAT_I420; format < num_formats; format++) {
GstVideoInfo info;
const GstVideoFormatInfo *finfo, *fuinfo;
GstBuffer *buffer;
GstVideoFrame frame;
gint k, stride, count, diff, depth;
guint8 *pixels, *outpixels;
gdouble elapsed;
gdouble unpack_sec, pack_sec;
ConvertResult res;
finfo = gst_video_format_get_info (format);
fail_unless (finfo != NULL);
if (GST_VIDEO_FORMAT_INFO_HAS_PALETTE (finfo))
continue;
fuinfo = gst_video_format_get_info (finfo->unpack_format);
fail_unless (fuinfo != NULL);
depth = GST_VIDEO_FORMAT_INFO_BITS (fuinfo);
fail_unless (depth == 8 || depth == 16);
pixels = make_pixels (depth, WIDTH, HEIGHT);
stride = WIDTH * (depth >> 1);
gst_video_info_set_format (&info, format, WIDTH, HEIGHT);
buffer = gst_buffer_new_and_alloc (info.size);
gst_video_frame_map (&frame, &info, buffer, GST_MAP_READWRITE);
/* pack the frame into the target format */
/* warmup */
PACK_FRAME (&frame, pixels, 0, WIDTH);
count = 0;
g_timer_start (timer);
while (TRUE) {
for (k = 0; k < HEIGHT; k += finfo->pack_lines) {
PACK_FRAME (&frame, pixels + k * stride, k, WIDTH);
}
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
unpack_sec = count / elapsed;
res.infmt = format;
res.outfmt = finfo->unpack_format;
res.convert_sec = unpack_sec;
g_array_append_val (unpackarray, res);
outpixels = g_malloc0 (HEIGHT * stride);
/* unpack the frame */
/* warmup */
UNPACK_FRAME (&frame, outpixels, 0, 0, WIDTH);
count = 0;
g_timer_start (timer);
while (TRUE) {
for (k = 0; k < HEIGHT; k += finfo->pack_lines) {
UNPACK_FRAME (&frame, outpixels + k * stride, k, 0, WIDTH);
}
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
pack_sec = count / elapsed;
res.outfmt = format;
res.infmt = finfo->unpack_format;
res.convert_sec = pack_sec;
g_array_append_val (packarray, res);
/* compare the frame */
diff = compare_frame (finfo, depth, outpixels, pixels, WIDTH, HEIGHT);
GST_DEBUG ("%f \t %f \t %f \t %f \t %s %d/%f", pack_sec, unpack_sec,
info.size * pack_sec, info.size * unpack_sec, finfo->name, count,
elapsed);
if (diff != 0) {
gst_util_dump_mem (outpixels, 128);
gst_util_dump_mem (pixels, 128);
fail_if (diff != 0);
}
gst_video_frame_unmap (&frame);
gst_buffer_unref (buffer);
g_free (pixels);
g_free (outpixels);
}
g_array_sort (packarray, compare_result);
for (i = 0; i < packarray->len; i++) {
ConvertResult *res = &g_array_index (packarray, ConvertResult, i);
GST_DEBUG ("%f pack/sec %s->%s", res->convert_sec,
gst_video_format_to_string (res->infmt),
gst_video_format_to_string (res->outfmt));
}
g_array_sort (unpackarray, compare_result);
for (i = 0; i < unpackarray->len; i++) {
ConvertResult *res = &g_array_index (unpackarray, ConvertResult, i);
GST_DEBUG ("%f unpack/sec %s->%s", res->convert_sec,
gst_video_format_to_string (res->infmt),
gst_video_format_to_string (res->outfmt));
}
g_timer_destroy (timer);
g_array_free (packarray, TRUE);
g_array_free (unpackarray, TRUE);
}
GST_END_TEST;
#undef WIDTH
#undef HEIGHT
#undef TIME
#define WIDTH 320
#define HEIGHT 240
#define TIME 0.1
#define GET_LINE(l) (pixels + CLAMP (l, 0, HEIGHT-1) * WIDTH * 4)
GST_START_TEST (test_video_chroma)
{
guint8 *pixels;
guint n_lines;
gint i, j, k, offset, count;
gpointer lines[10];
GTimer *timer;
gdouble elapsed, subsample_sec;
GstVideoChromaSite sites[] = {
GST_VIDEO_CHROMA_SITE_NONE,
GST_VIDEO_CHROMA_SITE_H_COSITED,
};
timer = g_timer_new ();
pixels = make_pixels (8, WIDTH, HEIGHT);
for (k = 0; k < G_N_ELEMENTS (sites); k++) {
GstVideoChromaResample *resample;
resample = gst_video_chroma_resample_new (GST_VIDEO_CHROMA_METHOD_LINEAR,
sites[k], GST_VIDEO_CHROMA_FLAG_NONE, GST_VIDEO_FORMAT_AYUV, -1, -1);
gst_video_chroma_resample_get_info (resample, &n_lines, &offset);
fail_unless (n_lines < 10);
/* warmup */
for (j = 0; j < n_lines; j++)
lines[j] = GET_LINE (offset + j);
gst_video_chroma_resample (resample, lines, WIDTH);
count = 0;
g_timer_start (timer);
while (TRUE) {
for (i = 0; i < HEIGHT; i += n_lines) {
for (j = 0; j < n_lines; j++)
lines[j] = GET_LINE (i + offset + j);
gst_video_chroma_resample (resample, lines, WIDTH);
}
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
subsample_sec = count / elapsed;
GST_DEBUG ("%f downsamples/sec %d/%f", subsample_sec, count, elapsed);
gst_video_chroma_resample_free (resample);
resample = gst_video_chroma_resample_new (GST_VIDEO_CHROMA_METHOD_LINEAR,
sites[k], GST_VIDEO_CHROMA_FLAG_NONE, GST_VIDEO_FORMAT_AYUV, 1, 1);
gst_video_chroma_resample_get_info (resample, &n_lines, &offset);
fail_unless (n_lines < 10);
/* warmup */
for (j = 0; j < n_lines; j++)
lines[j] = GET_LINE (offset + j);
gst_video_chroma_resample (resample, lines, WIDTH);
count = 0;
g_timer_start (timer);
while (TRUE) {
for (i = 0; i < HEIGHT; i += n_lines) {
for (j = 0; j < n_lines; j++)
lines[j] = GET_LINE (i + offset + j);
gst_video_chroma_resample (resample, lines, WIDTH);
}
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
subsample_sec = count / elapsed;
GST_DEBUG ("%f upsamples/sec %d/%f", subsample_sec, count, elapsed);
gst_video_chroma_resample_free (resample);
}
g_free (pixels);
g_timer_destroy (timer);
}
GST_END_TEST;
#undef WIDTH
#undef HEIGHT
#undef TIME
GST_START_TEST (test_video_scaler)
{
GstVideoScaler *scale;
scale = gst_video_scaler_new (GST_VIDEO_RESAMPLER_METHOD_LINEAR,
GST_VIDEO_SCALER_FLAG_NONE, 2, 10, 5, NULL);
gst_video_scaler_free (scale);
scale = gst_video_scaler_new (GST_VIDEO_RESAMPLER_METHOD_LINEAR,
GST_VIDEO_SCALER_FLAG_NONE, 2, 15, 5, NULL);
gst_video_scaler_free (scale);
}
GST_END_TEST;
#define WIDTH 320
#define HEIGHT 240
#define TIME 0.01
GST_START_TEST (test_video_color_convert)
{
GstVideoFormat infmt, outfmt;
GTimer *timer;
gint num_formats, i;
GArray *array;
array = g_array_new (FALSE, FALSE, sizeof (ConvertResult));
timer = g_timer_new ();
num_formats = get_num_formats ();
for (infmt = GST_VIDEO_FORMAT_I420; infmt < num_formats; infmt++) {
GstVideoInfo ininfo;
GstVideoFrame inframe;
GstBuffer *inbuffer;
gst_video_info_set_format (&ininfo, infmt, WIDTH, HEIGHT);
inbuffer = gst_buffer_new_and_alloc (ininfo.size);
gst_buffer_memset (inbuffer, 0, 0, -1);
gst_video_frame_map (&inframe, &ininfo, inbuffer, GST_MAP_READ);
for (outfmt = GST_VIDEO_FORMAT_I420; outfmt < num_formats; outfmt++) {
GstVideoInfo outinfo;
GstVideoFrame outframe;
GstBuffer *outbuffer;
GstVideoConverter *convert;
gdouble elapsed;
gint count;
ConvertResult res;
gst_video_info_set_format (&outinfo, outfmt, WIDTH, HEIGHT);
outbuffer = gst_buffer_new_and_alloc (outinfo.size);
gst_video_frame_map (&outframe, &outinfo, outbuffer, GST_MAP_WRITE);
convert = gst_video_converter_new (&ininfo, &outinfo, NULL);
/* warmup */
gst_video_converter_frame (convert, &inframe, &outframe);
count = 0;
g_timer_start (timer);
while (TRUE) {
gst_video_converter_frame (convert, &inframe, &outframe);
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
res.infmt = infmt;
res.outfmt = outfmt;
res.convert_sec = count / elapsed;
GST_DEBUG ("%f conversions/sec %s->%s, %d/%f", res.convert_sec,
gst_video_format_to_string (infmt),
gst_video_format_to_string (outfmt), count, elapsed);
g_array_append_val (array, res);
gst_video_converter_free (convert);
gst_video_frame_unmap (&outframe);
gst_buffer_unref (outbuffer);
}
gst_video_frame_unmap (&inframe);
gst_buffer_unref (inbuffer);
}
g_array_sort (array, compare_result);
for (i = 0; i < array->len; i++) {
ConvertResult *res = &g_array_index (array, ConvertResult, i);
GST_DEBUG ("%f conversions/sec %s->%s", res->convert_sec,
gst_video_format_to_string (res->infmt),
gst_video_format_to_string (res->outfmt));
}
g_array_free (array, TRUE);
g_timer_destroy (timer);
}
GST_END_TEST;
#undef WIDTH
#undef HEIGHT
#define WIDTH_IN 320
#define HEIGHT_IN 240
#define WIDTH_OUT 400
#define HEIGHT_OUT 300
#define TIME 0.01
GST_START_TEST (test_video_size_convert)
{
GstVideoFormat infmt, outfmt;
GTimer *timer;
gint num_formats, i;
GArray *array;
array = g_array_new (FALSE, FALSE, sizeof (ConvertResult));
timer = g_timer_new ();
num_formats = get_num_formats ();
for (infmt = GST_VIDEO_FORMAT_I420; infmt < num_formats; infmt++) {
GstVideoInfo ininfo, outinfo;
GstVideoFrame inframe, outframe;
GstBuffer *inbuffer, *outbuffer;
GstVideoConverter *convert;
gdouble elapsed;
gint count, method;
ConvertResult res;
gst_video_info_set_format (&ininfo, infmt, WIDTH_IN, HEIGHT_IN);
inbuffer = gst_buffer_new_and_alloc (ininfo.size);
gst_buffer_memset (inbuffer, 0, 0, -1);
gst_video_frame_map (&inframe, &ininfo, inbuffer, GST_MAP_READ);
outfmt = infmt;
gst_video_info_set_format (&outinfo, outfmt, WIDTH_OUT, HEIGHT_OUT);
outbuffer = gst_buffer_new_and_alloc (outinfo.size);
gst_video_frame_map (&outframe, &outinfo, outbuffer, GST_MAP_WRITE);
for (method = 0; method < 4; method++) {
convert = gst_video_converter_new (&ininfo, &outinfo,
gst_structure_new ("options",
GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD,
GST_TYPE_VIDEO_RESAMPLER_METHOD, method, NULL));
/* warmup */
gst_video_converter_frame (convert, &inframe, &outframe);
count = 0;
g_timer_start (timer);
while (TRUE) {
gst_video_converter_frame (convert, &inframe, &outframe);
count++;
elapsed = g_timer_elapsed (timer, NULL);
if (elapsed >= TIME)
break;
}
res.infmt = infmt;
res.outfmt = outfmt;
res.method = method;
res.convert_sec = count / elapsed;
GST_DEBUG ("%f resize/sec %s->%s, %d, %d/%f", res.convert_sec,
gst_video_format_to_string (infmt),
gst_video_format_to_string (outfmt), method, count, elapsed);
g_array_append_val (array, res);
gst_video_converter_free (convert);
}
gst_video_frame_unmap (&outframe);
gst_buffer_unref (outbuffer);
gst_video_frame_unmap (&inframe);
gst_buffer_unref (inbuffer);
}
g_array_sort (array, compare_result);
for (i = 0; i < array->len; i++) {
ConvertResult *res = &g_array_index (array, ConvertResult, i);
GST_DEBUG ("%f method %d, resize/sec %s->%s", res->convert_sec, res->method,
gst_video_format_to_string (res->infmt),
gst_video_format_to_string (res->outfmt));
}
g_array_free (array, TRUE);
g_timer_destroy (timer);
}
GST_END_TEST;
#undef WIDTH
#undef HEIGHT
GST_START_TEST (test_video_convert)
{
GstVideoInfo ininfo, outinfo;
GstVideoFrame inframe, outframe;
GstBuffer *inbuffer, *outbuffer;
GstVideoConverter *convert;
gst_video_info_set_format (&ininfo, GST_VIDEO_FORMAT_ARGB, 320, 240);
inbuffer = gst_buffer_new_and_alloc (ininfo.size);
gst_buffer_memset (inbuffer, 0, 0, -1);
gst_video_frame_map (&inframe, &ininfo, inbuffer, GST_MAP_READ);
gst_video_info_set_format (&outinfo, GST_VIDEO_FORMAT_BGRx, 400, 300);
outbuffer = gst_buffer_new_and_alloc (outinfo.size);
gst_video_frame_map (&outframe, &outinfo, outbuffer, GST_MAP_WRITE);
/* see that we don't reuse the source line directly because we need
* to add borders to it */
convert = gst_video_converter_new (&ininfo, &outinfo,
gst_structure_new ("options",
GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD,
GST_TYPE_VIDEO_RESAMPLER_METHOD, 3,
GST_VIDEO_CONVERTER_OPT_SRC_X, G_TYPE_INT, 10,
GST_VIDEO_CONVERTER_OPT_SRC_Y, G_TYPE_INT, 0,
GST_VIDEO_CONVERTER_OPT_SRC_WIDTH, G_TYPE_INT, 300,
GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT, G_TYPE_INT, 220,
GST_VIDEO_CONVERTER_OPT_DEST_X, G_TYPE_INT, 80,
GST_VIDEO_CONVERTER_OPT_DEST_Y, G_TYPE_INT, 60,
GST_VIDEO_CONVERTER_OPT_DEST_WIDTH, G_TYPE_INT, 300,
GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT, G_TYPE_INT, 220, NULL));
gst_video_converter_frame (convert, &inframe, &outframe);
gst_video_converter_free (convert);
/* see that we reuse the source line directly because we need to scale
* it first */
convert = gst_video_converter_new (&ininfo, &outinfo,
gst_structure_new ("options",
GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD,
GST_TYPE_VIDEO_RESAMPLER_METHOD, 3,
GST_VIDEO_CONVERTER_OPT_SRC_X, G_TYPE_INT, 10,
GST_VIDEO_CONVERTER_OPT_SRC_Y, G_TYPE_INT, 0,
GST_VIDEO_CONVERTER_OPT_SRC_WIDTH, G_TYPE_INT, 300,
GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT, G_TYPE_INT, 220,
GST_VIDEO_CONVERTER_OPT_DEST_X, G_TYPE_INT, 80,
GST_VIDEO_CONVERTER_OPT_DEST_Y, G_TYPE_INT, 60,
GST_VIDEO_CONVERTER_OPT_DEST_WIDTH, G_TYPE_INT, 310,
GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT, G_TYPE_INT, 230, NULL));
gst_video_converter_frame (convert, &inframe, &outframe);
gst_video_converter_free (convert);
gst_video_frame_unmap (&outframe);
gst_buffer_unref (outbuffer);
gst_video_frame_unmap (&inframe);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_transfer)
{
gint i, j;
for (j = GST_VIDEO_TRANSFER_GAMMA10; j <= GST_VIDEO_TRANSFER_LOG316; j++) {
for (i = 0; i < 256; i++) {
gdouble val1, val2;
val1 = gst_video_color_transfer_encode (j, i / 255.0);
fail_if (val1 < 0.0 || val1 > 1.0);
val2 = gst_video_color_transfer_decode (j, val1);
fail_if (val2 < 0.0 || val2 > 1.0);
GST_DEBUG ("%d: %d %f->%f->%f %d", j, i, i / 255.0, val1, val2,
(int) lrint (val2 * 255.0));
if (val1 == 0.0)
fail_if (val2 != 0.0);
else
fail_if (lrint (val2 * 255.0) != i);
}
}
}
GST_END_TEST;
GST_START_TEST (test_video_center_rect)
{
GstVideoRectangle src, dest, result, expected;
#define NEW_RECT(x,y,w,h) ((GstVideoRectangle) {x,y,w,h})
#define CHECK_RECT(res, exp) \
fail_unless_equals_int(exp.x, res.x);\
fail_unless_equals_int(exp.y, res.y);\
fail_unless_equals_int(exp.w, res.w);\
fail_unless_equals_int(exp.h, res.h);
/* 1:1 Aspect Ratio */
src = NEW_RECT (0, 0, 100, 100);
dest = NEW_RECT (0, 0, 100, 100);
expected = NEW_RECT (0, 0, 100, 100);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
src = NEW_RECT (0, 0, 100, 100);
dest = NEW_RECT (0, 0, 50, 50);
expected = NEW_RECT (0, 0, 50, 50);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
src = NEW_RECT (0, 0, 100, 100);
dest = NEW_RECT (50, 50, 100, 100);
expected = NEW_RECT (50, 50, 100, 100);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
/* Aspect ratio scaling (tall) */
src = NEW_RECT (0, 0, 50, 100);
dest = NEW_RECT (0, 0, 50, 50);
expected = NEW_RECT (12, 0, 25, 50);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
src = NEW_RECT (0, 0, 50, 100);
dest = NEW_RECT (50, 50, 50, 50);
expected = NEW_RECT (62, 50, 25, 50);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
/* Aspect ratio scaling (wide) */
src = NEW_RECT (0, 0, 100, 50);
dest = NEW_RECT (0, 0, 50, 50);
expected = NEW_RECT (0, 12, 50, 25);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
src = NEW_RECT (0, 0, 100, 50);
dest = NEW_RECT (50, 50, 50, 50);
expected = NEW_RECT (50, 62, 50, 25);
gst_video_sink_center_rect (src, dest, &result, TRUE);
CHECK_RECT (result, expected);
}
GST_END_TEST;
void test_overlay_blend_rect (gint x, gint y, gint width, gint height,
GstVideoFrame * video_frame);
void test_overlay_blend_rect_verify (gint x, gint y, gint width,
gint height, GstVideoFrame * video_frame);
#define VIDEO_WIDTH 320
#define VIDEO_HEIGHT 240
void
test_overlay_blend_rect_verify (gint x, gint y, gint width, gint height,
GstVideoFrame * video_frame)
{
guint8 *data;
gint i = 0, prev_i = 0;
gint size = 0;
gint temp_width = 0, temp_height = 0;
data = GST_VIDEO_FRAME_PLANE_DATA (video_frame, 0);
size = GST_VIDEO_FRAME_SIZE (video_frame);
if (x + width < 0 || y + height < 0 || x >= VIDEO_WIDTH || y >= VIDEO_HEIGHT)
return;
if (x <= 0)
temp_width = width + x;
else if (x > 0 && (x + width) <= VIDEO_WIDTH)
temp_width = width;
else
temp_width = VIDEO_WIDTH - x;
if (y <= 0)
temp_height = height + y;
else if (y > 0 && (y + height) <= VIDEO_HEIGHT)
temp_height = height;
else
temp_height = VIDEO_HEIGHT - y;
if (x <= 0 && y <= 0)
i = 0;
else
i = (((x <= 0) ? 0 : x) + (((y <= 0) ? 0 : y) * VIDEO_WIDTH)) * 4;
prev_i = i;
for (; i < size - 4; i += 4) {
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* B - G - R - A */
fail_unless_equals_int (data[i], 0x80);
fail_unless_equals_int (data[i + 1], 0x80);
fail_unless_equals_int (data[i + 2], 0x80);
fail_unless_equals_int (data[i + 3], 0x80);
#else
/* A - R - G - B */
fail_unless_equals_int (data[i], 0x00);
fail_unless_equals_int (data[i + 1], 0x80);
fail_unless_equals_int (data[i + 2], 0x80);
fail_unless_equals_int (data[i + 3], 0x80);
#endif
if ((i + 4) == (4 * (((((y > 0) ? (y + temp_height) : temp_height) -
1) * VIDEO_WIDTH) + ((x >
0) ? (x + temp_width) : temp_width))))
break;
if ((i + 4 - prev_i) == ((temp_width) * 4)) {
i += ((VIDEO_WIDTH - (temp_width)) * 4);
prev_i = i + 4;
}
}
}
void
test_overlay_blend_rect (gint x, gint y, gint width, gint height,
GstVideoFrame * video_frame)
{
GstVideoOverlayComposition *comp1;
GstVideoOverlayRectangle *rect1;
GstBuffer *pix, *pix1;
GstVideoInfo vinfo;
memset (video_frame, 0, sizeof (GstVideoFrame));
pix =
gst_buffer_new_and_alloc (VIDEO_WIDTH * VIDEO_HEIGHT * sizeof (guint32));
gst_buffer_memset (pix, 0, 0, gst_buffer_get_size (pix));
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB,
VIDEO_WIDTH, VIDEO_HEIGHT);
gst_video_frame_map (video_frame, &vinfo, pix, GST_MAP_READWRITE);
gst_buffer_unref (pix);
pix = NULL;
pix1 = gst_buffer_new_and_alloc (width * height * sizeof (guint32));
gst_buffer_memset (pix1, 0, 0x80, gst_buffer_get_size (pix1));
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, width, height);
rect1 = gst_video_overlay_rectangle_new_raw (pix1,
x, y, width, height, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
gst_buffer_unref (pix1);
pix1 = NULL;
comp1 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_blend (comp1, video_frame));
gst_video_overlay_composition_unref (comp1);
gst_video_overlay_rectangle_unref (rect1);
test_overlay_blend_rect_verify (x, y, width, height, video_frame);
gst_video_frame_unmap (video_frame);
}
GST_START_TEST (test_overlay_blend)
{
GstVideoFrame video_frame;
/* Overlay width & height smaller than video width & height */
/* Overlay rendered completely left of video surface
* x + overlay_width <= 0 */
test_overlay_blend_rect (-60, 50, 50, 50, &video_frame);
/* Overlay rendered completely right of video surface
* x >= video_width */
test_overlay_blend_rect (330, 50, 50, 50, &video_frame);
/* Overlay rendered completely top of video surface
* y + overlay_height <= 0 */
test_overlay_blend_rect (50, -60, 50, 50, &video_frame);
/* Overlay rendered completely bottom of video surface
* y >= video_height */
test_overlay_blend_rect (50, 250, 50, 50, &video_frame);
/* Overlay rendered partially left of video surface
* x < 0 && -x < overlay_width */
test_overlay_blend_rect (-40, 50, 50, 50, &video_frame);
/* Overlay rendered partially right of video surface
* x < video_width && (overlay_width + x) > video_width */
test_overlay_blend_rect (300, 50, 50, 50, &video_frame);
/* Overlay rendered partially top of video surface
* y < 0 && -y < overlay_height */
test_overlay_blend_rect (50, -40, 50, 50, &video_frame);
/* Overlay rendered partially bottom of video surface
* y < video_height && (overlay_height + y) > video_height */
test_overlay_blend_rect (50, 220, 50, 50, &video_frame);
/* Overlay width & height bigger than video width & height */
/* Overlay rendered completely left of video surface
* x + overlay_width <= 0 */
test_overlay_blend_rect (-360, 50, 350, 250, &video_frame);
/* Overlay rendered completely right of video surface
* x >= video_width */
test_overlay_blend_rect (330, 50, 350, 250, &video_frame);
/* Overlay rendered completely top of video surface
* y + overlay_height <= 0 */
test_overlay_blend_rect (50, -260, 350, 250, &video_frame);
/* Overlay rendered completely bottom of video surface
* y >= video_height */
test_overlay_blend_rect (50, 250, 350, 250, &video_frame);
/* Overlay rendered partially left of video surface
* x < 0 && -x < overlay_width */
test_overlay_blend_rect (-40, 50, 350, 250, &video_frame);
/* Overlay rendered partially right of video surface
* x < video_width && (overlay_width + x) > video_width */
test_overlay_blend_rect (300, 50, 350, 250, &video_frame);
/* Overlay rendered partially top of video surface
* y < 0 && -y < overlay_height */
test_overlay_blend_rect (50, -40, 350, 250, &video_frame);
/* Overlay rendered partially bottom of video surface
* y < video_height && (overlay_height + y) > video_height */
test_overlay_blend_rect (50, 220, 350, 250, &video_frame);
}
GST_END_TEST;
GST_START_TEST (test_overlay_composition_over_transparency)
{
GstVideoOverlayComposition *comp1;
GstVideoOverlayRectangle *rect1;
GstBuffer *pix1, *pix2;
GstVideoInfo vinfo;
guint8 *data;
GstVideoFrame video_frame;
guint fwidth = 200, height = 50, swidth = 100;
memset (&video_frame, 0, sizeof (GstVideoFrame));
pix1 = gst_buffer_new_and_alloc (fwidth * sizeof (guint32) * height);
gst_buffer_memset (pix1, 0, 0x00, gst_buffer_get_size (pix1));
gst_video_info_init (&vinfo);
gst_video_info_set_format (&vinfo, GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB,
fwidth, height);
gst_video_frame_map (&video_frame, &vinfo, pix1, GST_MAP_READWRITE);
gst_buffer_unref (pix1);
pix2 = gst_buffer_new_and_alloc (swidth * sizeof (guint32) * height);
gst_buffer_memset (pix2, 0, 0xFF, gst_buffer_get_size (pix2));
gst_buffer_add_video_meta (pix2, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, swidth, height);
rect1 = gst_video_overlay_rectangle_new_raw (pix2, swidth, 0,
swidth, height, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
comp1 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_blend (comp1, &video_frame));
gst_video_overlay_composition_unref (comp1);
gst_video_overlay_rectangle_unref (rect1);
gst_buffer_unref (pix2);
data = GST_VIDEO_FRAME_PLANE_DATA (&video_frame, 0);
fail_unless_equals_int (data[0], 0x00);
fail_unless_equals_int (data[1], 0x00);
fail_unless_equals_int (data[2], 0x00);
fail_unless_equals_int (data[3], 0x00);
data += swidth * sizeof (guint32);
fail_unless_equals_int (data[0], 0xFF);
fail_unless_equals_int (data[1], 0xFF);
fail_unless_equals_int (data[2], 0xFF);
fail_unless_equals_int (data[3], 0xFF);
gst_video_frame_unmap (&video_frame);
}
GST_END_TEST;
static Suite *
video_suite (void)
{
Suite *s = suite_create ("video support library");
TCase *tc_chain = tcase_create ("general");
tcase_set_timeout (tc_chain, 60 * 60);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_video_formats);
tcase_add_test (tc_chain, test_video_formats_rgb);
tcase_add_test (tc_chain, test_video_formats_rgba_large_dimension);
tcase_add_test (tc_chain, test_video_formats_all);
tcase_add_test (tc_chain, test_video_formats_pack_unpack);
tcase_add_test (tc_chain, test_dar_calc);
tcase_add_test (tc_chain, test_parse_caps_rgb);
tcase_add_test (tc_chain, test_parse_caps_multiview);
tcase_add_test (tc_chain, test_parse_colorimetry);
tcase_add_test (tc_chain, test_events);
tcase_add_test (tc_chain, test_convert_frame);
tcase_add_test (tc_chain, test_convert_frame_async);
tcase_add_test (tc_chain, test_video_size_from_caps);
tcase_add_test (tc_chain, test_overlay_composition);
tcase_add_test (tc_chain, test_overlay_composition_premultiplied_alpha);
tcase_add_test (tc_chain, test_overlay_composition_global_alpha);
tcase_add_test (tc_chain, test_video_pack_unpack2);
tcase_add_test (tc_chain, test_video_chroma);
tcase_add_test (tc_chain, test_video_scaler);
tcase_add_test (tc_chain, test_video_color_convert);
tcase_add_test (tc_chain, test_video_size_convert);
tcase_add_test (tc_chain, test_video_convert);
tcase_add_test (tc_chain, test_video_transfer);
tcase_add_test (tc_chain, test_overlay_blend);
tcase_add_test (tc_chain, test_video_center_rect);
tcase_add_test (tc_chain, test_overlay_composition_over_transparency);
return s;
}
GST_CHECK_MAIN (video);