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videobox: Add support for YUY2 and UYUV

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This commit is contained in:
Sebastian Dröge 2010-04-16 17:00:02 +02:00
parent 0294e1e48a
commit 9fa14f8c37
1 changed files with 127 additions and 0 deletions
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127
gst/videobox/gstvideobox.c
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@ -1689,6 +1689,117 @@ copy_packed_simple (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
}
}
static void
fill_yuy2 (GstVideoBoxFill fill_type, guint b_alpha, GstVideoFormat format,
guint8 * dest, gboolean sdtv, gint width, gint height)
{
guint8 y, u, v;
gint i, j;
gint stride = gst_video_format_get_row_stride (format, 0, width);
y = (sdtv) ? yuv_sdtv_colors_Y[fill_type] : yuv_hdtv_colors_Y[fill_type];
u = (sdtv) ? yuv_sdtv_colors_U[fill_type] : yuv_hdtv_colors_U[fill_type];
v = (sdtv) ? yuv_sdtv_colors_V[fill_type] : yuv_hdtv_colors_V[fill_type];
width = width + (width % 2);
if (format == GST_VIDEO_FORMAT_YUY2) {
for (i = 0; i < height; i++) {
for (j = 0; j < width; j += 2) {
dest[j * 2 + 0] = y;
dest[j * 2 + 1] = u;
dest[j * 2 + 2] = y;
dest[j * 2 + 3] = v;
}
dest += stride;
}
} else {
for (i = 0; i < height; i++) {
for (j = 0; j < width; j += 2) {
dest[j * 2 + 0] = u;
dest[j * 2 + 1] = y;
dest[j * 2 + 2] = v;
dest[j * 2 + 3] = y;
}
dest += stride;
}
}
}
static void
copy_yuy2_yuy2 (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
gboolean dest_sdtv, gint dest_width, gint dest_height, gint dest_x,
gint dest_y, GstVideoFormat src_format, const guint8 * src,
gboolean src_sdtv, gint src_width, gint src_height, gint src_x, gint src_y,
gint w, gint h)
{
gint i, j;
gint src_stride, dest_stride;
src_stride = gst_video_format_get_row_stride (src_format, 0, src_width);
dest_stride = gst_video_format_get_row_stride (dest_format, 0, dest_width);
dest_x = (dest_x & ~1);
src_x = (src_x & ~1);
w = w + (w % 2);
dest = dest + dest_y * dest_stride + dest_x * 2;
src = src + src_y * src_stride + src_x * 2;
if (src_sdtv != dest_sdtv) {
gint y1, u1, v1;
gint y2, u2, v2;
gint matrix[12];
memcpy (matrix,
dest_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
if (src_format == GST_VIDEO_FORMAT_YUY2) {
for (i = 0; i < h; i++) {
for (j = 0; j < w; j += 2) {
y1 = src[j * 2 + 0];
y2 = src[j * 2 + 2];
u1 = u2 = src[j * 2 + 1];
v1 = v2 = src[j * 2 + 3];
dest[j * 2 + 0] = APPLY_MATRIX (matrix, 0, y1, u1, v1);
dest[j * 2 + 1] = APPLY_MATRIX (matrix, 1, y1, u1, v1);
dest[j * 2 + 2] = APPLY_MATRIX (matrix, 0, y1, u2, v2);
dest[j * 2 + 3] = APPLY_MATRIX (matrix, 2, y2, u2, v2);
}
dest += dest_stride;
src += src_stride;
}
} else {
for (i = 0; i < h; i++) {
for (j = 0; j < w; j += 2) {
u1 = u2 = src[j * 2 + 0];
v1 = v2 = src[j * 2 + 2];
y1 = src[j * 2 + 1];
y2 = src[j * 2 + 3];
dest[j * 2 + 1] = APPLY_MATRIX (matrix, 0, y1, u1, v1);
dest[j * 2 + 0] = APPLY_MATRIX (matrix, 1, y1, u1, v1);
dest[j * 2 + 3] = APPLY_MATRIX (matrix, 0, y1, u2, v2);
dest[j * 2 + 2] = APPLY_MATRIX (matrix, 2, y2, u2, v2);
}
dest += dest_stride;
src += src_stride;
}
}
} else {
for (i = 0; i < h; i++) {
oil_copy_u8 (dest, src, w * 2);
dest += dest_stride;
src += src_stride;
}
}
}
#define DEFAULT_LEFT 0
#define DEFAULT_RIGHT 0
#define DEFAULT_TOP 0
@ -1718,6 +1829,8 @@ static GstStaticPadTemplate gst_video_box_src_template =
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") ";"
GST_VIDEO_CAPS_YUV ("I420") ";"
GST_VIDEO_CAPS_YUV ("YV12") ";"
GST_VIDEO_CAPS_YUV ("YUY2") ";"
GST_VIDEO_CAPS_YUV ("UYVY") ";"
GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
@ -1735,6 +1848,8 @@ static GstStaticPadTemplate gst_video_box_sink_template =
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") ";"
GST_VIDEO_CAPS_YUV ("I420") ";"
GST_VIDEO_CAPS_YUV ("YV12") ";"
GST_VIDEO_CAPS_YUV ("YUY2") ";"
GST_VIDEO_CAPS_YUV ("UYVY") ";"
GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
@ -2345,6 +2460,18 @@ gst_video_box_select_processing_functions (GstVideoBox * video_box)
break;
}
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
video_box->fill = fill_yuy2;
switch (video_box->in_format) {
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
video_box->copy = copy_yuy2_yuy2;
break;
default:
break;
}
break;
default:
break;
}