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videobox: Use libgstvideo to get the order of RGB

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This commit is contained in:
Sebastian Dröge 2010-04-19 14:09:34 +02:00
parent f3c032e6ac
commit a904edfaf5
1 changed files with 62 additions and 53 deletions
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115
gst/videobox/gstvideobox.c
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@ -1246,63 +1246,21 @@ copy_i420_ayuv (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
}
}
static void
_argb_order (GstVideoFormat format, gint p[4], gboolean * alpha)
{
*alpha = FALSE;
switch (format) {
case GST_VIDEO_FORMAT_ARGB:
*alpha = TRUE;
case GST_VIDEO_FORMAT_xRGB:
p[0] = 0;
p[1] = 1;
p[2] = 2;
p[3] = 3;
break;
case GST_VIDEO_FORMAT_ABGR:
*alpha = TRUE;
case GST_VIDEO_FORMAT_xBGR:
p[0] = 0;
p[1] = 3;
p[2] = 2;
p[3] = 1;
break;
case GST_VIDEO_FORMAT_RGBA:
*alpha = TRUE;
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_RGB:
p[0] = 3;
p[1] = 0;
p[2] = 1;
p[3] = 2;
break;
case GST_VIDEO_FORMAT_BGRA:
*alpha = TRUE;
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_BGR:
p[0] = 3;
p[1] = 2;
p[2] = 1;
p[3] = 0;
break;
default:
g_assert_not_reached ();
}
}
static void
fill_rgb32 (GstVideoBoxFill fill_type, guint b_alpha, GstVideoFormat format,
guint8 * dest, gboolean sdtv, gint width, gint height)
{
guint32 empty_pixel;
gint p[4];
gboolean alpha;
_argb_order (format, p, &alpha);
p[0] = gst_video_format_get_component_offset (format, 3, width, height);
p[1] = gst_video_format_get_component_offset (format, 0, width, height);
p[2] = gst_video_format_get_component_offset (format, 1, width, height);
p[3] = gst_video_format_get_component_offset (format, 2, width, height);
b_alpha = CLAMP (b_alpha, 0, 255);
empty_pixel = GUINT32_FROM_BE ((b_alpha << (p[0] * 8)) |
empty_pixel = GUINT32_FROM_LE ((b_alpha << (p[0] * 8)) |
(rgb_colors_R[fill_type] << (p[1] * 8)) |
(rgb_colors_G[fill_type] << (p[2] * 8)) |
(rgb_colors_B[fill_type] << (p[3] * 8)));
@ -1316,10 +1274,12 @@ fill_rgb24 (GstVideoBoxFill fill_type, guint b_alpha, GstVideoFormat format,
{
gint dest_stride = GST_ROUND_UP_4 (width * 3);
gint p[4];
gboolean alpha;
gint i, j;
_argb_order (format, p, &alpha);
p[0] = gst_video_format_get_component_offset (format, 3, width, height);
p[1] = gst_video_format_get_component_offset (format, 0, width, height);
p[2] = gst_video_format_get_component_offset (format, 1, width, height);
p[3] = gst_video_format_get_component_offset (format, 2, width, height);
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
@ -1354,8 +1314,33 @@ copy_rgb32 (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
in_bpp = (packed_in) ? 3 : 4;
out_bpp = (packed_out) ? 3 : 4;
_argb_order (dest_format, p_out, &out_alpha);
_argb_order (src_format, p_in, &in_alpha);
out_alpha = gst_video_format_has_alpha (dest_format);
p_out[0] =
gst_video_format_get_component_offset (dest_format, 3, dest_width,
dest_height);
p_out[1] =
gst_video_format_get_component_offset (dest_format, 0, dest_width,
dest_height);
p_out[2] =
gst_video_format_get_component_offset (dest_format, 1, dest_width,
dest_height);
p_out[3] =
gst_video_format_get_component_offset (dest_format, 2, dest_width,
dest_height);
in_alpha = gst_video_format_has_alpha (src_format);
p_in[0] =
gst_video_format_get_component_offset (src_format, 3, src_width,
src_height);
p_in[1] =
gst_video_format_get_component_offset (src_format, 0, src_width,
src_height);
p_in[2] =
gst_video_format_get_component_offset (src_format, 1, src_width,
src_height);
p_in[3] =
gst_video_format_get_component_offset (src_format, 2, src_width,
src_height);
dest = dest + dest_y * dest_stride + dest_x * out_bpp;
src = src + src_y * src_stride + src_x * in_bpp;
@ -1446,7 +1431,19 @@ copy_rgb32_ayuv (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
dest_stride = 4 * dest_width;
in_bpp = (packed_in) ? 3 : 4;
_argb_order (src_format, p_in, &in_alpha);
in_alpha = gst_video_format_has_alpha (src_format);
p_in[0] =
gst_video_format_get_component_offset (src_format, 3, src_width,
src_height);
p_in[1] =
gst_video_format_get_component_offset (src_format, 0, src_width,
src_height);
p_in[2] =
gst_video_format_get_component_offset (src_format, 1, src_width,
src_height);
p_in[3] =
gst_video_format_get_component_offset (src_format, 2, src_width,
src_height);
memcpy (matrix,
(dest_sdtv) ? cog_rgb_to_ycbcr_matrix_8bit_sdtv :
@ -1547,7 +1544,19 @@ copy_ayuv_rgb32 (guint i_alpha, GstVideoFormat dest_format, guint8 * dest,
src_stride = 4 * src_width;
out_bpp = (packed_out) ? 3 : 4;
_argb_order (dest_format, p_out, &out_alpha);
out_alpha = gst_video_format_has_alpha (dest_format);
p_out[0] =
gst_video_format_get_component_offset (dest_format, 3, dest_width,
dest_height);
p_out[1] =
gst_video_format_get_component_offset (dest_format, 0, dest_width,
dest_height);
p_out[2] =
gst_video_format_get_component_offset (dest_format, 1, dest_width,
dest_height);
p_out[3] =
gst_video_format_get_component_offset (dest_format, 2, dest_width,
dest_height);
memcpy (matrix,
(src_sdtv) ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :