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colorspace: Add support for SDTV/HDTV YUV conversions

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This commit is contained in:
Sebastian Dröge 2010-10-31 22:39:38 +01:00
parent c1027a72fe
commit eb2a295316
4 changed files with 261 additions and 55 deletions
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271
gst/colorspace/colorspace.c
View file

@ -1,5 +1,6 @@
/* GStreamer
* Copyright (C) 2010 David Schleef <ds@schleef.org>
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@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
@ -34,17 +35,40 @@ static void colorspace_convert_lookup_getput (ColorspaceConvert * convert);
ColorspaceConvert *
colorspace_convert_new (GstVideoFormat to_format,
GstVideoFormat from_format, int width, int height)
colorspace_convert_new (GstVideoFormat to_format, ColorSpaceColorSpec to_spec,
GstVideoFormat from_format, ColorSpaceColorSpec from_spec,
int width, int height)
{
ColorspaceConvert *convert;
int i;
g_return_val_if_fail (!gst_video_format_is_rgb (to_format)
|| to_spec == COLOR_SPEC_RGB, NULL);
g_return_val_if_fail (!gst_video_format_is_yuv (to_format)
|| to_spec == COLOR_SPEC_YUV_BT709
|| to_spec == COLOR_SPEC_YUV_BT470_6, NULL);
g_return_val_if_fail (gst_video_format_is_rgb (to_format)
|| gst_video_format_is_yuv (to_format)
|| (gst_video_format_is_gray (to_format) &&
to_spec == COLOR_SPEC_GRAY), NULL);
g_return_val_if_fail (!gst_video_format_is_rgb (from_format)
|| from_spec == COLOR_SPEC_RGB, NULL);
g_return_val_if_fail (!gst_video_format_is_yuv (from_format)
|| from_spec == COLOR_SPEC_YUV_BT709
|| from_spec == COLOR_SPEC_YUV_BT470_6, NULL);
g_return_val_if_fail (gst_video_format_is_rgb (from_format)
|| gst_video_format_is_yuv (from_format)
|| (gst_video_format_is_gray (from_format) &&
from_spec == COLOR_SPEC_GRAY), NULL);
convert = g_malloc (sizeof (ColorspaceConvert));
memset (convert, 0, sizeof (ColorspaceConvert));
convert->to_format = to_format;
convert->to_spec = to_spec;
convert->from_format = from_format;
convert->from_spec = from_spec;
convert->height = height;
convert->width = width;
convert->convert = colorspace_convert_generic;
@ -667,7 +691,7 @@ static const ColorspaceLine lines[] = {
};
static void
matrix_rgb2yuv (ColorspaceConvert * convert)
matrix_rgb_to_yuv_bt470_6 (ColorspaceConvert * convert)
{
int i;
int r, g, b;
@ -690,7 +714,30 @@ matrix_rgb2yuv (ColorspaceConvert * convert)
}
static void
matrix_yuv2rgb (ColorspaceConvert * convert)
matrix_rgb_to_yuv_bt709 (ColorspaceConvert * convert)
{
int i;
int r, g, b;
int y, u, v;
guint8 *tmpline = convert->tmpline;
for (i = 0; i < convert->width; i++) {
r = tmpline[i * 4 + 1];
g = tmpline[i * 4 + 2];
b = tmpline[i * 4 + 3];
y = (47 * r + 157 * g + 16 * b + 4096) >> 8;
u = (-26 * r - 87 * g + 112 * b + 32768) >> 8;
v = (112 * r - 102 * g - 10 * b + 32768) >> 8;
tmpline[i * 4 + 1] = CLAMP (y, 0, 255);
tmpline[i * 4 + 2] = CLAMP (u, 0, 255);
tmpline[i * 4 + 3] = CLAMP (v, 0, 255);
}
}
static void
matrix_yuv_bt470_6_to_rgb (ColorspaceConvert * convert)
{
int i;
int r, g, b;
@ -712,6 +759,75 @@ matrix_yuv2rgb (ColorspaceConvert * convert)
}
}
static void
matrix_yuv_bt709_to_rgb (ColorspaceConvert * convert)
{
int i;
int r, g, b;
int y, u, v;
guint8 *tmpline = convert->tmpline;
for (i = 0; i < convert->width; i++) {
y = tmpline[i * 4 + 1];
u = tmpline[i * 4 + 2];
v = tmpline[i * 4 + 3];
r = (298 * y + 459 * v - 63514) >> 8;
g = (298 * y - 55 * u - 136 * v + 19681) >> 8;
b = (298 * y + 541 * u - 73988) >> 8;
tmpline[i * 4 + 1] = CLAMP (r, 0, 255);
tmpline[i * 4 + 2] = CLAMP (g, 0, 255);
tmpline[i * 4 + 3] = CLAMP (b, 0, 255);
}
}
static void
matrix_yuv_bt709_to_yuv_bt470_6 (ColorspaceConvert * convert)
{
int i;
int r, g, b;
int y, u, v;
guint8 *tmpline = convert->tmpline;
for (i = 0; i < convert->width; i++) {
y = tmpline[i * 4 + 1];
u = tmpline[i * 4 + 2];
v = tmpline[i * 4 + 3];
r = (256 * y + 25 * u + 49 * v - 9536) >> 8;
g = (253 * u - 28 * v + 3958) >> 8;
b = (-19 * u + 252 * v + 2918) >> 8;
tmpline[i * 4 + 1] = CLAMP (r, 0, 255);
tmpline[i * 4 + 2] = CLAMP (g, 0, 255);
tmpline[i * 4 + 3] = CLAMP (b, 0, 255);
}
}
static void
matrix_yuv_bt470_6_to_yuv_bt709 (ColorspaceConvert * convert)
{
int i;
int r, g, b;
int y, u, v;
guint8 *tmpline = convert->tmpline;
for (i = 0; i < convert->width; i++) {
y = tmpline[i * 4 + 1];
u = tmpline[i * 4 + 2];
v = tmpline[i * 4 + 3];
r = (256 * y - 30 * u - 53 * v + 10600) >> 8;
g = (261 * u + 29 * v - 4367) >> 8;
b = (19 * u + 262 * v - 3289) >> 8;
tmpline[i * 4 + 1] = CLAMP (r, 0, 255);
tmpline[i * 4 + 2] = CLAMP (g, 0, 255);
tmpline[i * 4 + 3] = CLAMP (b, 0, 255);
}
}
static void
matrix_identity (ColorspaceConvert * convert)
{
@ -740,15 +856,26 @@ colorspace_convert_lookup_getput (ColorspaceConvert * convert)
}
GST_DEBUG ("get %p put %p", convert->getline, convert->putline);
if (gst_video_format_is_rgb (convert->to_format) &&
gst_video_format_is_yuv (convert->from_format)) {
convert->matrix = matrix_yuv2rgb;
} else if (gst_video_format_is_yuv (convert->to_format) &&
gst_video_format_is_rgb (convert->from_format)) {
convert->matrix = matrix_rgb2yuv;
} else {
if (convert->from_spec == convert->to_spec)
convert->matrix = matrix_identity;
}
else if (convert->from_spec == COLOR_SPEC_RGB
&& convert->to_spec == COLOR_SPEC_YUV_BT470_6)
convert->matrix = matrix_rgb_to_yuv_bt470_6;
else if (convert->from_spec == COLOR_SPEC_RGB
&& convert->to_spec == COLOR_SPEC_YUV_BT709)
convert->matrix = matrix_rgb_to_yuv_bt709;
else if (convert->from_spec == COLOR_SPEC_YUV_BT470_6
&& convert->to_spec == COLOR_SPEC_RGB)
convert->matrix = matrix_yuv_bt470_6_to_rgb;
else if (convert->from_spec == COLOR_SPEC_YUV_BT709
&& convert->to_spec == COLOR_SPEC_RGB)
convert->matrix = matrix_yuv_bt709_to_rgb;
else if (convert->from_spec == COLOR_SPEC_YUV_BT709
&& convert->to_spec == COLOR_SPEC_YUV_BT470_6)
convert->matrix = matrix_yuv_bt709_to_yuv_bt470_6;
else if (convert->from_spec == COLOR_SPEC_YUV_BT470_6
&& convert->to_spec == COLOR_SPEC_YUV_BT709)
convert->matrix = matrix_yuv_bt470_6_to_yuv_bt709;
}
static void
@ -1240,57 +1367,94 @@ convert_I420_BGRA (ColorspaceConvert * convert, guint8 * dest,
typedef struct
{
GstVideoFormat from_format;
ColorSpaceColorSpec from_spec;
GstVideoFormat to_format;
ColorSpaceColorSpec to_spec;
gboolean keeps_color_spec;
void (*convert) (ColorspaceConvert * convert, guint8 * dest,
const guint8 * src);
} ColorspaceTransform;
static const ColorspaceTransform transforms[] = {
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_YUY2, convert_I420_YUY2},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_UYVY, convert_I420_UYVY},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_AYUV, convert_I420_AYUV},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_Y42B, convert_I420_Y42B},
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_Y444, convert_I420_Y444},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_YUY2,
COLOR_SPEC_NONE, TRUE, convert_I420_YUY2},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_UYVY,
COLOR_SPEC_NONE, TRUE, convert_I420_UYVY},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_AYUV,
COLOR_SPEC_NONE, TRUE, convert_I420_AYUV},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y42B,
COLOR_SPEC_NONE, TRUE, convert_I420_Y42B},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y444,
COLOR_SPEC_NONE, TRUE, convert_I420_Y444},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_I420, convert_YUY2_I420},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_UYVY, convert_UYVY_YUY2}, /* alias */
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_AYUV, convert_YUY2_AYUV},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_Y42B, convert_YUY2_Y42B},
{GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_Y444, convert_YUY2_Y444},
{GST_VIDEO_FORMAT_YUY2, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_I420,
COLOR_SPEC_NONE, TRUE, convert_YUY2_I420},
{GST_VIDEO_FORMAT_YUY2, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, TRUE, convert_UYVY_YUY2}, /* alias */
{GST_VIDEO_FORMAT_YUY2, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_AYUV,
COLOR_SPEC_NONE, TRUE, convert_YUY2_AYUV},
{GST_VIDEO_FORMAT_YUY2, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y42B,
COLOR_SPEC_NONE, TRUE, convert_YUY2_Y42B},
{GST_VIDEO_FORMAT_YUY2, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y444,
COLOR_SPEC_NONE, TRUE, convert_YUY2_Y444},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_I420, convert_UYVY_I420},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_YUY2, convert_UYVY_YUY2},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_AYUV, convert_UYVY_AYUV},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_Y42B, convert_UYVY_Y42B},
{GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_Y444, convert_UYVY_Y444},
{GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_I420,
COLOR_SPEC_NONE, TRUE, convert_UYVY_I420},
{GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_YUY2,
COLOR_SPEC_NONE, TRUE, convert_UYVY_YUY2},
{GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_AYUV,
COLOR_SPEC_NONE, TRUE, convert_UYVY_AYUV},
{GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y42B,
COLOR_SPEC_NONE, TRUE, convert_UYVY_Y42B},
{GST_VIDEO_FORMAT_UYVY, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y444,
COLOR_SPEC_NONE, TRUE, convert_UYVY_Y444},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_I420, convert_AYUV_I420},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_YUY2, convert_AYUV_YUY2},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_UYVY, convert_AYUV_UYVY},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_Y42B, convert_AYUV_Y42B},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_Y444, convert_AYUV_Y444},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_I420,
COLOR_SPEC_NONE, TRUE, convert_AYUV_I420},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_YUY2,
COLOR_SPEC_NONE, TRUE, convert_AYUV_YUY2},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_UYVY,
COLOR_SPEC_NONE, TRUE, convert_AYUV_UYVY},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y42B,
COLOR_SPEC_NONE, TRUE, convert_AYUV_Y42B},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y444,
COLOR_SPEC_NONE, TRUE, convert_AYUV_Y444},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_I420, convert_Y42B_I420},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_YUY2, convert_Y42B_YUY2},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_UYVY, convert_Y42B_UYVY},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_AYUV, convert_Y42B_AYUV},
{GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_Y444, convert_Y42B_Y444},
{GST_VIDEO_FORMAT_Y42B, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_I420,
COLOR_SPEC_NONE, TRUE, convert_Y42B_I420},
{GST_VIDEO_FORMAT_Y42B, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_YUY2,
COLOR_SPEC_NONE, TRUE, convert_Y42B_YUY2},
{GST_VIDEO_FORMAT_Y42B, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_UYVY,
COLOR_SPEC_NONE, TRUE, convert_Y42B_UYVY},
{GST_VIDEO_FORMAT_Y42B, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_AYUV,
COLOR_SPEC_NONE, TRUE, convert_Y42B_AYUV},
{GST_VIDEO_FORMAT_Y42B, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y444,
COLOR_SPEC_NONE, TRUE, convert_Y42B_Y444},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_I420, convert_Y444_I420},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_YUY2, convert_Y444_YUY2},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_UYVY, convert_Y444_UYVY},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_AYUV, convert_Y444_AYUV},
{GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_Y42B, convert_Y444_Y42B},
{GST_VIDEO_FORMAT_Y444, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_I420,
COLOR_SPEC_NONE, TRUE, convert_Y444_I420},
{GST_VIDEO_FORMAT_Y444, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_YUY2,
COLOR_SPEC_NONE, TRUE, convert_Y444_YUY2},
{GST_VIDEO_FORMAT_Y444, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_UYVY,
COLOR_SPEC_NONE, TRUE, convert_Y444_UYVY},
{GST_VIDEO_FORMAT_Y444, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_AYUV,
COLOR_SPEC_NONE, TRUE, convert_Y444_AYUV},
{GST_VIDEO_FORMAT_Y444, COLOR_SPEC_NONE, GST_VIDEO_FORMAT_Y42B,
COLOR_SPEC_NONE, TRUE, convert_Y444_Y42B},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_ARGB, convert_AYUV_ARGB},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_BGRA, convert_AYUV_BGRA},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_xRGB, convert_AYUV_ARGB}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_BGRx, convert_AYUV_BGRA}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_ABGR, convert_AYUV_ABGR},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_RGBA, convert_AYUV_RGBA},
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_xBGR, convert_AYUV_ABGR}, /* alias */
{GST_VIDEO_FORMAT_AYUV, GST_VIDEO_FORMAT_RGBx, convert_AYUV_RGBA}, /* alias */
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_ARGB,
COLOR_SPEC_RGB, FALSE, convert_AYUV_ARGB},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_BGRA,
COLOR_SPEC_RGB, FALSE, convert_AYUV_BGRA},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_xRGB, COLOR_SPEC_RGB, FALSE, convert_AYUV_ARGB}, /* alias */
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_BGRx, COLOR_SPEC_RGB, FALSE, convert_AYUV_BGRA}, /* alias */
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_ABGR,
COLOR_SPEC_RGB, FALSE, convert_AYUV_ABGR},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_RGBA,
COLOR_SPEC_RGB, FALSE, convert_AYUV_RGBA},
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_xBGR, COLOR_SPEC_RGB, FALSE, convert_AYUV_ABGR}, /* alias */
{GST_VIDEO_FORMAT_AYUV, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_RGBx, COLOR_SPEC_RGB, FALSE, convert_AYUV_RGBA}, /* alias */
{GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_BGRA, convert_I420_BGRA},
{GST_VIDEO_FORMAT_I420, COLOR_SPEC_YUV_BT470_6, GST_VIDEO_FORMAT_BGRA,
COLOR_SPEC_RGB, FALSE, convert_I420_BGRA},
};
static void
@ -1300,7 +1464,10 @@ colorspace_convert_lookup_fastpath (ColorspaceConvert * convert)
for (i = 0; i < sizeof (transforms) / sizeof (transforms[0]); i++) {
if (transforms[i].to_format == convert->to_format &&
transforms[i].from_format == convert->from_format) {
transforms[i].from_format == convert->from_format &&
(transforms[i].keeps_color_spec ||
(transforms[i].from_spec == convert->from_spec &&
transforms[i].to_spec == convert->to_spec))) {
convert->convert = transforms[i].convert;
return;
}

10
gst/colorspace/colorspace.h
View file

@ -27,6 +27,14 @@ G_BEGIN_DECLS
typedef struct _ColorspaceConvert ColorspaceConvert;
typedef struct _ColorspaceFrame ColorspaceComponent;
typedef enum {
COLOR_SPEC_NONE = 0,
COLOR_SPEC_RGB,
COLOR_SPEC_GRAY,
COLOR_SPEC_YUV_BT470_6,
COLOR_SPEC_YUV_BT709
} ColorSpaceColorSpec;
struct _ColorspaceComponent {
int offset;
int stride;
@ -37,7 +45,9 @@ struct _ColorspaceConvert {
gboolean interlaced;
GstVideoFormat from_format;
ColorSpaceColorSpec from_spec;
GstVideoFormat to_format;
ColorSpaceColorSpec to_spec;
guint32 *palette;
guint8 *tmpline;

33
gst/colorspace/gstcolorspace.c
View file

@ -109,7 +109,7 @@ gst_csp_caps_remove_format_info (GstCaps * caps)
gst_structure_set_name (yuvst, "video/x-raw-yuv");
gst_structure_remove_fields (yuvst, "format", "endianness", "depth",
"bpp", "red_mask", "green_mask", "blue_mask", "alpha_mask",
"palette_data", NULL);
"palette_data", "color-matrix", NULL);
rgbst = gst_structure_copy (yuvst);
gst_structure_set_name (rgbst, "video/x-raw-rgb");
@ -214,6 +214,7 @@ gst_csp_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
gboolean have_in_interlaced, have_out_interlaced;
gboolean in_interlaced, out_interlaced;
gboolean ret;
ColorSpaceColorSpec in_spec, out_spec;
space = GST_CSP (btrans);
@ -232,6 +233,18 @@ gst_csp_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
have_in_interlaced = gst_video_format_parse_caps_interlaced (incaps,
&in_interlaced);
if (gst_video_format_is_rgb (in_format)) {
in_spec = COLOR_SPEC_RGB;
} else if (gst_video_format_is_yuv (in_format)) {
const gchar *matrix = gst_video_parse_caps_color_matrix (incaps);
if (matrix && g_str_equal (matrix, "hdtv"))
in_spec = COLOR_SPEC_YUV_BT709;
else
in_spec = COLOR_SPEC_YUV_BT470_6;
} else {
in_spec = COLOR_SPEC_GRAY;
}
/* output caps */
@ -250,6 +263,18 @@ gst_csp_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
have_out_interlaced = gst_video_format_parse_caps_interlaced (incaps,
&out_interlaced);
if (gst_video_format_is_rgb (out_format)) {
out_spec = COLOR_SPEC_RGB;
} else if (gst_video_format_is_yuv (out_format)) {
const gchar *matrix = gst_video_parse_caps_color_matrix (outcaps);
if (matrix && g_str_equal (matrix, "hdtv"))
out_spec = COLOR_SPEC_YUV_BT709;
else
out_spec = COLOR_SPEC_YUV_BT470_6;
} else {
out_spec = COLOR_SPEC_GRAY;
}
/* these must match */
if (in_width != out_width || in_height != out_height ||
@ -267,13 +292,15 @@ gst_csp_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
goto format_mismatch;
space->from_format = in_format;
space->from_spec = in_spec;
space->to_format = out_format;
space->to_spec = out_spec;
space->width = in_width;
space->height = in_height;
space->interlaced = in_interlaced;
space->convert = colorspace_convert_new (out_format, in_format,
in_width, in_height);
space->convert = colorspace_convert_new (out_format, out_spec, in_format,
in_spec, in_width, in_height);
if (space->convert) {
colorspace_convert_set_interlaced (space->convert, in_interlaced);
}

2
gst/colorspace/gstcolorspace.h
View file

@ -51,7 +51,9 @@ struct _GstCsp {
gfloat fps;
GstVideoFormat from_format;
ColorSpaceColorSpec from_spec;
GstVideoFormat to_format;
ColorSpaceColorSpec to_spec;
guint32 *palette;
ColorspaceConvert *convert;