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gst-libs/gst/video/video.*: Add additional RGBA and RGB-24 video formats.

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Original commit message from CVS:
* gst-libs/gst/video/video.c:
* gst-libs/gst/video/video.h:
Add additional RGBA and RGB-24 video formats.
This commit is contained in:
David Schleef 2007-12-22 05:19:00 +00:00
parent 5850d56021
commit d605ca3ba2
3 changed files with 202 additions and 15 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2007-12-21 David Schleef <ds@schleef.org>
* gst-libs/gst/video/video.c:
* gst-libs/gst/video/video.h:
Add additional RGBA and RGB-24 video formats.
2007-12-21 Tim-Philipp Müller <tim at centricular dot net>
* tests/check/elements/playbin.c: (test_sink_usage_video_only_stream),

202
gst-libs/gst/video/video.c
View file

@ -37,6 +37,14 @@
* </refsect2>
*/
static GstVideoFormat gst_video_format_from_rgb32_masks (int red_mask,
int green_mask, int blue_mask);
static GstVideoFormat gst_video_format_from_rgba32_masks (int red_mask,
int green_mask, int blue_mask, int alpha_mask);
static GstVideoFormat gst_video_format_from_rgb24_masks (int red_mask,
int green_mask, int blue_mask);
/* This is simply a convenience function, nothing more or less */
const GValue *
gst_video_frame_rate (GstPad * pad)
@ -231,6 +239,8 @@ gst_video_format_parse_caps (GstCaps * caps, GstVideoFormat * format,
int red_mask;
int green_mask;
int blue_mask;
int alpha_mask;
gboolean have_alpha;
ok &= gst_structure_get_int (structure, "depth", &depth);
ok &= gst_structure_get_int (structure, "bpp", &bpp);
@ -238,15 +248,29 @@ gst_video_format_parse_caps (GstCaps * caps, GstVideoFormat * format,
ok &= gst_structure_get_int (structure, "red_mask", &red_mask);
ok &= gst_structure_get_int (structure, "green_mask", &green_mask);
ok &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
have_alpha = gst_structure_get_int (structure, "alpha_mask", &alpha_mask);
if (depth != 24 || bpp != 32 || endianness != G_BIG_ENDIAN) {
ok = FALSE;
} else {
if (depth == 24 && bpp == 32 && endianness == G_BIG_ENDIAN) {
*format = gst_video_format_from_rgb32_masks (red_mask, green_mask,
blue_mask);
if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
ok = FALSE;
}
} else if (depth == 24 && bpp == 32 && endianness == G_BIG_ENDIAN &&
have_alpha) {
*format = gst_video_format_from_rgba32_masks (red_mask, green_mask,
blue_mask, alpha_mask);
if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
ok = FALSE;
}
} else if (depth == 24 && bpp == 24 && endianness == G_BIG_ENDIAN) {
*format = gst_video_format_from_rgb24_masks (red_mask, green_mask,
blue_mask);
if (*format == GST_VIDEO_FORMAT_UNKNOWN) {
ok = FALSE;
}
} else {
ok = FALSE;
}
} else {
ok = FALSE;
@ -358,23 +382,60 @@ gst_video_format_new_caps (GstVideoFormat format, int width, int height,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
}
if (gst_video_format_is_rgb (format)) {
GstCaps *caps;
int red_mask;
int blue_mask;
int green_mask;
int alpha_mask;
int depth;
int bpp;
gboolean have_alpha;
unsigned int mask;
switch (format) {
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
bpp = 32;
depth = 24;
have_alpha = FALSE;
break;
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
bpp = 32;
depth = 32;
have_alpha = TRUE;
break;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
bpp = 24;
depth = 24;
have_alpha = FALSE;
break;
default:
return NULL;
}
if (bpp == 32) {
mask = 0xff000000;
} else {
mask = 0xff0000;
}
red_mask =
0xff000000U >> gst_video_format_get_component_offset (format, 0, width,
height);
mask >> (8 * gst_video_format_get_component_offset (format, 0, width,
height));
green_mask =
0xff000000U >> gst_video_format_get_component_offset (format, 1, width,
height);
mask >> (8 * gst_video_format_get_component_offset (format, 1, width,
height));
blue_mask =
0xff000000U >> gst_video_format_get_component_offset (format, 2, width,
height);
mask >> (8 * gst_video_format_get_component_offset (format, 2, width,
height));
return gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 32,
"depth", G_TYPE_INT, 24,
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, bpp,
"depth", G_TYPE_INT, depth,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, red_mask,
"green_mask", G_TYPE_INT, green_mask,
@ -383,6 +444,13 @@ gst_video_format_new_caps (GstVideoFormat format, int width, int height,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
if (have_alpha) {
alpha_mask =
mask >> (8 * gst_video_format_get_component_offset (format, 3, width,
height));
gst_caps_set_simple (caps, "alpha_mask", G_TYPE_INT, alpha_mask, NULL);
}
return caps;
}
return NULL;
}
@ -462,7 +530,7 @@ gst_video_format_to_fourcc (GstVideoFormat format)
*
* Returns: the #GstVideoFormat corresponding to the bit masks
*/
GstVideoFormat
static GstVideoFormat
gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask)
{
if (red_mask == 0xff000000 && green_mask == 0x00ff0000 &&
@ -485,6 +553,43 @@ gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask)
return GST_VIDEO_FORMAT_UNKNOWN;
}
static GstVideoFormat
gst_video_format_from_rgba32_masks (int red_mask, int green_mask, int blue_mask,
int alpha_mask)
{
if (red_mask == 0xff000000 && green_mask == 0x00ff0000 &&
blue_mask == 0x0000ff00 && alpha_mask == 0x000000ff) {
return GST_VIDEO_FORMAT_RGBA;
}
if (red_mask == 0x0000ff00 && green_mask == 0x00ff0000 &&
blue_mask == 0xff000000 && alpha_mask == 0x000000ff) {
return GST_VIDEO_FORMAT_BGRA;
}
if (red_mask == 0x00ff0000 && green_mask == 0x0000ff00 &&
blue_mask == 0x0000ff00 && alpha_mask == 0xff000000) {
return GST_VIDEO_FORMAT_ARGB;
}
if (red_mask == 0x000000ff && green_mask == 0x0000ff00 &&
blue_mask == 0xff000000 && alpha_mask == 0xff000000) {
return GST_VIDEO_FORMAT_ABGR;
}
return GST_VIDEO_FORMAT_UNKNOWN;
}
static GstVideoFormat
gst_video_format_from_rgb24_masks (int red_mask, int green_mask, int blue_mask)
{
if (red_mask == 0xff0000 && green_mask == 0x00ff00 && blue_mask == 0x0000ff) {
return GST_VIDEO_FORMAT_RGB;
}
if (red_mask == 0x0000ff && green_mask == 0x00ff00 && blue_mask == 0xff0000) {
return GST_VIDEO_FORMAT_BGR;
}
return GST_VIDEO_FORMAT_UNKNOWN;
}
/**
* gst_video_format_is_rgb:
* @format: a #GstVideoFormat
@ -507,6 +612,12 @@ gst_video_format_is_rgb (GstVideoFormat format)
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return TRUE;
default:
return FALSE;
@ -535,6 +646,12 @@ gst_video_format_is_yuv (GstVideoFormat format)
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return FALSE;
default:
return FALSE;
@ -559,11 +676,17 @@ gst_video_format_has_alpha (GstVideoFormat format)
case GST_VIDEO_FORMAT_UYVY:
return FALSE;
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
return TRUE;
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return FALSE;
default:
return FALSE;
@ -608,7 +731,14 @@ gst_video_format_get_row_stride (GstVideoFormat format, int component,
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:
return width * 4;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return GST_ROUND_UP_4 (width * 3);
default:
return 0;
}
@ -647,7 +777,14 @@ gst_video_format_get_pixel_stride (GstVideoFormat format, int component)
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:
return 4;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return 3;
default:
return 0;
}
@ -686,6 +823,12 @@ gst_video_format_get_component_width (GstVideoFormat format, int component,
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return width;
default:
return 0;
@ -725,6 +868,12 @@ gst_video_format_get_component_height (GstVideoFormat format, int component,
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return height;
default:
return 0;
@ -795,6 +944,7 @@ gst_video_format_get_component_offset (GstVideoFormat format, int component,
return 0;
return 0;
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_RGBA:
if (component == 0)
return 0;
if (component == 1)
@ -805,6 +955,7 @@ gst_video_format_get_component_offset (GstVideoFormat format, int component,
return 3;
return 0;
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_BGRA:
if (component == 0)
return 2;
if (component == 1)
@ -815,6 +966,7 @@ gst_video_format_get_component_offset (GstVideoFormat format, int component,
return 3;
return 0;
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_ARGB:
if (component == 0)
return 1;
if (component == 1)
@ -825,6 +977,7 @@ gst_video_format_get_component_offset (GstVideoFormat format, int component,
return 0;
return 0;
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_ABGR:
if (component == 0)
return 3;
if (component == 1)
@ -834,6 +987,22 @@ gst_video_format_get_component_offset (GstVideoFormat format, int component,
if (component == 3)
return 0;
return 0;
case GST_VIDEO_FORMAT_RGB:
if (component == 0)
return 0;
if (component == 1)
return 1;
if (component == 2)
return 2;
return 0;
case GST_VIDEO_FORMAT_BGR:
if (component == 0)
return 2;
if (component == 1)
return 1;
if (component == 2)
return 0;
return 0;
default:
return 0;
}
@ -872,7 +1041,14 @@ gst_video_format_get_size (GstVideoFormat format, int width, int height)
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:
return width * 4 * height;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
return GST_ROUND_UP_4 (width * 3) * height;
default:
return 0;
}

9
gst-libs/gst/video/video.h
View file

@ -35,7 +35,13 @@ typedef enum {
GST_VIDEO_FORMAT_RGBx,
GST_VIDEO_FORMAT_BGRx,
GST_VIDEO_FORMAT_xRGB,
GST_VIDEO_FORMAT_xBGR
GST_VIDEO_FORMAT_xBGR,
GST_VIDEO_FORMAT_RGBA,
GST_VIDEO_FORMAT_BGRA,
GST_VIDEO_FORMAT_ARGB,
GST_VIDEO_FORMAT_ABGR,
GST_VIDEO_FORMAT_RGB,
GST_VIDEO_FORMAT_BGR
} GstVideoFormat;
#define GST_VIDEO_BYTE1_MASK_32 "0xFF000000"
@ -218,7 +224,6 @@ GstCaps * gst_video_format_new_caps (GstVideoFormat format,
int par_n, int par_d);
GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
guint32 gst_video_format_to_fourcc (GstVideoFormat format);
GstVideoFormat gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask);
gboolean gst_video_format_is_rgb (GstVideoFormat format);
gboolean gst_video_format_is_yuv (GstVideoFormat format);
gboolean gst_video_format_has_alpha (GstVideoFormat format);