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video: add IYU2 format

Browse source 
This existed in 0.10 and is needed by dc1394src.

IYU2 format is a YUV fully-sampled packed format similar to v308
but with different component order (U-Y-V instead of Y-U-V).

http://www.fourcc.org/yuv.php#IYU2

https://bugzilla.gnome.org/show_bug.cgi?id=763026#c5
This commit is contained in:
Joan Pau Beltran 2016-05-30 16:40:26 +02:00 committed by Tim-Philipp Müller
parent ba9bf26f4b
commit abb88801e7
6 changed files with 53 additions and 4 deletions
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3
gst-libs/gst/video/video-converter.c
View file

@ -4052,6 +4052,7 @@ get_scale_format (GstVideoFormat format, gint plane)
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_v308:
case GST_VIDEO_FORMAT_IYU2:
case GST_VIDEO_FORMAT_ARGB64:
case GST_VIDEO_FORMAT_AYUV64:
res = format;
@ -4779,6 +4780,8 @@ static const VideoTransform transforms[] = {
FALSE, FALSE, FALSE, 0, 0, convert_scale_planes},
{GST_VIDEO_FORMAT_v308, GST_VIDEO_FORMAT_v308, TRUE, FALSE, FALSE, TRUE, TRUE,
FALSE, FALSE, FALSE, 0, 0, convert_scale_planes},
{GST_VIDEO_FORMAT_IYU2, GST_VIDEO_FORMAT_IYU2, TRUE, FALSE, FALSE, TRUE, TRUE,
FALSE, FALSE, FALSE, 0, 0, convert_scale_planes},
{GST_VIDEO_FORMAT_ARGB, GST_VIDEO_FORMAT_ARGB, TRUE, FALSE, FALSE, TRUE, TRUE,
TRUE, FALSE, FALSE, 0, 0, convert_scale_planes},

41
gst-libs/gst/video/video-format.c
View file

@ -416,6 +416,43 @@ pack_v308 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
}
}
#define PACK_IYU2 GST_VIDEO_FORMAT_AYUV, unpack_IYU2, 1, pack_IYU2
static void
unpack_IYU2 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
gpointer dest, const gpointer data[GST_VIDEO_MAX_PLANES],
const gint stride[GST_VIDEO_MAX_PLANES], gint x, gint y, gint width)
{
int i;
const guint8 *restrict s = GET_LINE (y);
guint8 *restrict d = dest;
s += x * 3;
for (i = 0; i < width; i++) {
d[i * 4 + 0] = 0xff;
d[i * 4 + 1] = s[i * 3 + 1];
d[i * 4 + 2] = s[i * 3 + 0];
d[i * 4 + 3] = s[i * 3 + 2];
}
}
static void
pack_IYU2 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
const gpointer src, gint sstride, gpointer data[GST_VIDEO_MAX_PLANES],
const gint stride[GST_VIDEO_MAX_PLANES], GstVideoChromaSite chroma_site,
gint y, gint width)
{
int i;
guint8 *restrict d = GET_LINE (y);
const guint8 *restrict s = src;
for (i = 0; i < width; i++) {
d[i * 3 + 0] = s[i * 4 + 2];
d[i * 3 + 1] = s[i * 4 + 1];
d[i * 3 + 2] = s[i * 4 + 3];
}
}
#define PACK_AYUV GST_VIDEO_FORMAT_AYUV, unpack_copy4, 1, pack_copy4
#define PACK_ARGB GST_VIDEO_FORMAT_ARGB, unpack_copy4, 1, pack_copy4
static void
@ -3825,6 +3862,8 @@ static const VideoFormat formats[] = {
PSTR244, PLANE011, OFFS001, SUB420, PACK_P010_10BE),
MAKE_YUV_LE_FORMAT (P010_10LE, "raw video", 0x00000000, DPTH10_10_10_HI,
PSTR244, PLANE011, OFFS001, SUB420, PACK_P010_10LE),
MAKE_YUV_FORMAT (IYU2, "raw video", GST_MAKE_FOURCC ('I', 'Y', 'U', '2'),
DPTH888, PSTR333, PLANE0, OFFS102, SUB444, PACK_IYU2),
};
static GstVideoFormat
@ -4035,6 +4074,8 @@ gst_video_format_from_fourcc (guint32 fourcc)
return GST_VIDEO_FORMAT_NV24;
case GST_MAKE_FOURCC ('v', '3', '0', '8'):
return GST_VIDEO_FORMAT_v308;
case GST_MAKE_FOURCC ('I', 'Y', 'U', '2'):
return GST_VIDEO_FORMAT_IYU2;
case GST_MAKE_FOURCC ('Y', '8', '0', '0'):
case GST_MAKE_FOURCC ('Y', '8', ' ', ' '):
case GST_MAKE_FOURCC ('G', 'R', 'E', 'Y'):

10
gst-libs/gst/video/video-format.h
View file

@ -60,7 +60,8 @@ G_BEGIN_DECLS
* @GST_VIDEO_FORMAT_GRAY8: 8-bit grayscale
* @GST_VIDEO_FORMAT_GRAY16_BE: 16-bit grayscale, most significant byte first
* @GST_VIDEO_FORMAT_GRAY16_LE: 16-bit grayscale, least significant byte first
* @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV
* @GST_VIDEO_FORMAT_v308: packed 4:4:4 YUV (Y-U-V ...)
* @GST_VIDEO_FORMAT_IYU2: packed 4:4:4 YUV (U-Y-V ...) (Since 1.10)
* @GST_VIDEO_FORMAT_RGB16: rgb 5-6-5 bits per component
* @GST_VIDEO_FORMAT_BGR16: reverse rgb 5-6-5 bits per component
* @GST_VIDEO_FORMAT_RGB15: rgb 5-5-5 bits per component
@ -162,6 +163,7 @@ typedef enum {
GST_VIDEO_FORMAT_NV61,
GST_VIDEO_FORMAT_P010_10BE,
GST_VIDEO_FORMAT_P010_10LE,
GST_VIDEO_FORMAT_IYU2,
} GstVideoFormat;
#define GST_VIDEO_MAX_PLANES 4
@ -497,10 +499,10 @@ gconstpointer gst_video_format_get_palette (GstVideoFormat format, gsi
#define GST_VIDEO_FORMATS_ALL "{ I420, YV12, YUY2, UYVY, AYUV, RGBx, " \
"BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, " \
"YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, NV24, GRAY8, GRAY16_BE, " \
"GRAY16_LE, v308, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, " \
"GRAY16_LE, v308, IYU2, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, " \
"IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, " \
" Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, "\
" A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }"
"Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, "\
"A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }"
/**
* GST_VIDEO_CAPS_MAKE:

1
gst-libs/gst/video/video-info.c
View file

@ -644,6 +644,7 @@ fill_planes (GstVideoInfo * info)
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_v308:
case GST_VIDEO_FORMAT_IYU2:
info->stride[0] = GST_ROUND_UP_4 (width * 3);
info->offset[0] = 0;
info->size = info->stride[0] * height;

1
gst-libs/gst/video/video-scaler.c
View file

@ -1212,6 +1212,7 @@ get_functions (GstVideoScaler * hscale, GstVideoScaler * vscale,
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_v308:
case GST_VIDEO_FORMAT_IYU2:
bits = 8;
*n_elems = 3;
break;

1
tests/check/libs/video.c
View file

@ -343,6 +343,7 @@ video_format_is_packed (GstVideoFormat fmt)
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: