#include "gstcolorspace.h"
#include <gst/video/video.h>
+#include <string.h>
+
GST_DEBUG_CATEGORY (colorspace_debug);
#define GST_CAT_DEFAULT colorspace_debug
GST_DEBUG_CATEGORY (colorspace_performance);
+enum
+{
+ PROP_0,
+ PROP_DITHER
+};
+
#define CSP_VIDEO_CAPS \
"video/x-raw-yuv, width = "GST_VIDEO_SIZE_RANGE" , " \
"height="GST_VIDEO_SIZE_RANGE",framerate="GST_VIDEO_FPS_RANGE"," \
- "format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV, v210 } ;" \
+ "format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV, v210, v216, A420, AY64 } ;" \
GST_VIDEO_CAPS_RGB";" \
GST_VIDEO_CAPS_BGR";" \
GST_VIDEO_CAPS_RGBx";" \
GST_VIDEO_CAPS_BGRA";" \
GST_VIDEO_CAPS_ABGR";" \
GST_VIDEO_CAPS_RGB_16";" \
+ GST_VIDEO_CAPS_BGR_16";" \
GST_VIDEO_CAPS_RGB_15";" \
- "video/x-raw-rgb, bpp = (int)8, depth = (int)8, " \
- "width = "GST_VIDEO_SIZE_RANGE" , " \
- "height = " GST_VIDEO_SIZE_RANGE ", " \
- "framerate = "GST_VIDEO_FPS_RANGE ";" \
+ GST_VIDEO_CAPS_BGR_15";" \
+ GST_VIDEO_CAPS_RGB8_PALETTED "; " \
GST_VIDEO_CAPS_GRAY8";" \
GST_VIDEO_CAPS_GRAY16("BIG_ENDIAN")";" \
- GST_VIDEO_CAPS_GRAY16("LITTLE_ENDIAN")";"
+ GST_VIDEO_CAPS_GRAY16("LITTLE_ENDIAN")";" \
+ GST_VIDEO_CAPS_r210";" \
+ GST_VIDEO_CAPS_ARGB_64
static GstStaticPadTemplate gst_csp_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GType gst_csp_get_type (void);
+static void gst_csp_set_property (GObject * object,
+ guint property_id, const GValue * value, GParamSpec * pspec);
+static void gst_csp_get_property (GObject * object,
+ guint property_id, GValue * value, GParamSpec * pspec);
+
static gboolean gst_csp_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
static gboolean gst_csp_get_unit_size (GstBaseTransform * btrans,
- GstCaps * caps, guint * size);
+ GstCaps * caps, gsize * size);
static GstFlowReturn gst_csp_transform (GstBaseTransform * btrans,
GstBuffer * inbuf, GstBuffer * outbuf);
static GQuark _QRAWYUV; /* "video/x-raw-yuv" */
static GQuark _QALPHAMASK; /* "alpha_mask" */
+
+static GType
+dither_method_get_type (void)
+{
+ static GType gtype = 0;
+
+ if (gtype == 0) {
+ static const GEnumValue values[] = {
+ {DITHER_NONE, "No dithering (default)", "none"},
+ {DITHER_VERTERR, "Vertical error propogation", "verterr"},
+ {DITHER_HALFTONE, "Half-tone", "halftone"},
+ {0, NULL, NULL}
+ };
+
+ gtype = g_enum_register_static ("GstColorspaceDitherMethod", values);
+ }
+ return gtype;
+}
+
/* copies the given caps */
static GstCaps *
gst_csp_caps_remove_format_info (GstCaps * caps)
{
GstStructure *yuvst, *rgbst, *grayst;
+ gint i, n;
+ GstCaps *res;
- /* We know there's only one structure since we're given simple caps */
- caps = gst_caps_copy (caps);
+ res = gst_caps_new_empty ();
- yuvst = gst_caps_get_structure (caps, 0);
+ n = gst_caps_get_size (caps);
+ for (i = 0; i < n; i++) {
+ yuvst = gst_caps_get_structure (caps, i);
- 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);
+ /* If this is already expressed by the existing caps
+ * skip this structure */
+ if (i > 0 && gst_caps_is_subset_structure (res, yuvst))
+ continue;
- rgbst = gst_structure_copy (yuvst);
- gst_structure_set_name (rgbst, "video/x-raw-rgb");
- gst_structure_remove_fields (rgbst, "color-matrix", "chroma-site", NULL);
+ yuvst = gst_structure_copy (yuvst);
+ 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);
- grayst = gst_structure_copy (rgbst);
- gst_structure_set_name (grayst, "video/x-raw-gray");
+ rgbst = gst_structure_copy (yuvst);
+ gst_structure_set_name (rgbst, "video/x-raw-rgb");
+ gst_structure_remove_fields (rgbst, "color-matrix", "chroma-site", NULL);
- gst_caps_append_structure (caps, rgbst);
- gst_caps_append_structure (caps, grayst);
+ grayst = gst_structure_copy (rgbst);
+ gst_structure_set_name (grayst, "video/x-raw-gray");
- return caps;
-}
-
-
-static gboolean
-gst_csp_structure_is_alpha (GstStructure * s)
-{
- GQuark name;
-
- name = gst_structure_get_name_id (s);
-
- if (name == _QRAWRGB) {
- return gst_structure_id_has_field (s, _QALPHAMASK);
- } else if (name == _QRAWYUV) {
- guint32 fourcc;
-
- if (!gst_structure_get_fourcc (s, "format", &fourcc))
- return FALSE;
-
- return (fourcc == GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'));
+ gst_caps_append_structure (res, yuvst);
+ gst_caps_append_structure (res, rgbst);
+ gst_caps_append_structure (res, grayst);
}
- return FALSE;
+ return res;
}
/* The caps can be transformed into any other caps with format info removed.
* put it first in the list. */
static GstCaps *
gst_csp_transform_caps (GstBaseTransform * btrans,
- GstPadDirection direction, GstCaps * caps)
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *template;
GstCaps *tmp, *tmp2;
GstCaps *result;
- GstStructure *s;
- GstCaps *alpha, *non_alpha;
template = gst_static_pad_template_get_caps (&gst_csp_src_template);
result = gst_caps_copy (caps);
/* Get all possible caps that we can transform to */
tmp = gst_csp_caps_remove_format_info (caps);
- tmp2 = gst_caps_intersect (tmp, template);
- gst_caps_unref (tmp);
- tmp = tmp2;
-
- /* Now move alpha formats to the beginning if caps is an alpha format
- * or at the end if caps is no alpha format */
- alpha = gst_caps_new_empty ();
- non_alpha = gst_caps_new_empty ();
-
- while ((s = gst_caps_steal_structure (tmp, 0))) {
- if (gst_csp_structure_is_alpha (s))
- gst_caps_append_structure (alpha, s);
- else
- gst_caps_append_structure (non_alpha, s);
- }
-
- s = gst_caps_get_structure (caps, 0);
- gst_caps_unref (tmp);
- if (gst_csp_structure_is_alpha (s)) {
- gst_caps_append (alpha, non_alpha);
- tmp = alpha;
- } else {
- gst_caps_append (non_alpha, alpha);
- tmp = non_alpha;
+ if (filter) {
+ tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (tmp);
+ tmp = tmp2;
}
- gst_caps_append (result, tmp);
+ result = tmp;
GST_DEBUG_OBJECT (btrans, "transformed %" GST_PTR_FORMAT " into %"
GST_PTR_FORMAT, caps, result);
gboolean have_in_interlaced, have_out_interlaced;
gboolean in_interlaced, out_interlaced;
gboolean ret;
+ ColorSpaceColorSpec in_spec, out_spec;
space = GST_CSP (btrans);
+ if (space->convert) {
+ colorspace_convert_free (space->convert);
+ }
+
/* input caps */
ret = gst_video_format_parse_caps (incaps, &in_format, &in_width, &in_height);
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 */
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 ||
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);
}
-
/* palette, only for from data */
- /* FIXME add palette handling */
-#if 0
- colorspace_convert_set_palette (convert, palette);
-#endif
+ if (space->from_format == GST_VIDEO_FORMAT_RGB8_PALETTED &&
+ space->to_format == GST_VIDEO_FORMAT_RGB8_PALETTED) {
+ goto format_mismatch;
+ } else if (space->from_format == GST_VIDEO_FORMAT_RGB8_PALETTED) {
+ GstBuffer *palette;
+ guint32 *data;
+
+ palette = gst_video_parse_caps_palette (incaps);
+
+ if (!palette || gst_buffer_get_size (palette) < 256 * 4) {
+ if (palette)
+ gst_buffer_unref (palette);
+ goto invalid_palette;
+ }
+
+ data = gst_buffer_map (palette, NULL, NULL, GST_MAP_READ);
+ colorspace_convert_set_palette (space->convert, data);
+ gst_buffer_unmap (palette, data, -1);
+
+ gst_buffer_unref (palette);
+ } else if (space->to_format == GST_VIDEO_FORMAT_RGB8_PALETTED) {
+ const guint32 *palette;
+ GstBuffer *p_buf;
+
+ palette = colorspace_convert_get_palette (space->convert);
+
+ p_buf = gst_buffer_new_and_alloc (256 * 4);
+ gst_buffer_fill (p_buf, 0, palette, 256 * 4);
+ gst_caps_set_simple (outcaps, "palette_data", GST_TYPE_BUFFER, p_buf, NULL);
+ gst_buffer_unref (p_buf);
+ }
GST_DEBUG ("reconfigured %d %d", space->from_format, space->to_format);
space->to_format = GST_VIDEO_FORMAT_UNKNOWN;
return FALSE;
}
+invalid_palette:
+ {
+ GST_ERROR_OBJECT (space, "invalid palette");
+ space->from_format = GST_VIDEO_FORMAT_UNKNOWN;
+ space->to_format = GST_VIDEO_FORMAT_UNKNOWN;
+ return FALSE;
+ }
}
-GST_BOILERPLATE (GstCsp, gst_csp, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
-
-static void
-gst_csp_base_init (gpointer klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_csp_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_csp_sink_template));
-
- gst_element_class_set_details_simple (element_class,
- " Colorspace converter", "Filter/Converter/Video",
- "Converts video from one colorspace to another",
- "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
-
- _QRAWRGB = g_quark_from_string ("video/x-raw-rgb");
- _QRAWYUV = g_quark_from_string ("video/x-raw-yuv");
- _QALPHAMASK = g_quark_from_string ("alpha_mask");
-}
+#define gst_csp_parent_class parent_class
+G_DEFINE_TYPE (GstCsp, gst_csp, GST_TYPE_VIDEO_FILTER);
static void
gst_csp_finalize (GObject * obj)
{
GstCsp *space = GST_CSP (obj);
- if (space->palette)
- g_free (space->palette);
+ if (space->convert) {
+ colorspace_convert_free (space->convert);
+ }
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
gst_csp_class_init (GstCspClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *gstbasetransform_class =
(GstBaseTransformClass *) klass;
+ gobject_class->set_property = gst_csp_set_property;
+ gobject_class->get_property = gst_csp_get_property;
gobject_class->finalize = gst_csp_finalize;
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_csp_src_template));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_csp_sink_template));
+
+ gst_element_class_set_details_simple (gstelement_class,
+ " Colorspace converter", "Filter/Converter/Video",
+ "Converts video from one colorspace to another",
+ "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
+
+ _QRAWRGB = g_quark_from_string ("video/x-raw-rgb");
+ _QRAWYUV = g_quark_from_string ("video/x-raw-yuv");
+ _QALPHAMASK = g_quark_from_string ("alpha_mask");
+
gstbasetransform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_csp_transform_caps);
gstbasetransform_class->set_caps = GST_DEBUG_FUNCPTR (gst_csp_set_caps);
gstbasetransform_class->transform = GST_DEBUG_FUNCPTR (gst_csp_transform);
gstbasetransform_class->passthrough_on_same_caps = TRUE;
+
+ g_object_class_install_property (gobject_class, PROP_DITHER,
+ g_param_spec_enum ("dither", "Dither", "Apply dithering while converting",
+ dither_method_get_type (), DITHER_NONE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
-gst_csp_init (GstCsp * space, GstCspClass * klass)
+gst_csp_init (GstCsp * space)
{
space->from_format = GST_VIDEO_FORMAT_UNKNOWN;
space->to_format = GST_VIDEO_FORMAT_UNKNOWN;
- space->palette = NULL;
+}
+
+void
+gst_csp_set_property (GObject * object, guint property_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstCsp *csp;
+
+ g_return_if_fail (GST_IS_CSP (object));
+ csp = GST_CSP (object);
+
+ switch (property_id) {
+ case PROP_DITHER:
+ csp->dither = g_value_get_enum (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+void
+gst_csp_get_property (GObject * object, guint property_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstCsp *csp;
+
+ g_return_if_fail (GST_IS_CSP (object));
+ csp = GST_CSP (object);
+
+ switch (property_id) {
+ case PROP_DITHER:
+ g_value_set_enum (value, csp->dither);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
}
static gboolean
-gst_csp_get_unit_size (GstBaseTransform * btrans, GstCaps * caps, guint * size)
+gst_csp_get_unit_size (GstBaseTransform * btrans, GstCaps * caps, gsize * size)
{
gboolean ret = TRUE;
GstVideoFormat format;
GstBuffer * outbuf)
{
GstCsp *space;
+ guint8 *indata, *outdata;
+ gsize insize, outsize;
space = GST_CSP (btrans);
space->to_format == GST_VIDEO_FORMAT_UNKNOWN))
goto unknown_format;
- colorspace_convert_convert (space->convert, GST_BUFFER_DATA (outbuf),
- GST_BUFFER_DATA (inbuf));
+ colorspace_convert_set_dither (space->convert, space->dither);
+
+ indata = gst_buffer_map (inbuf, &insize, NULL, GST_MAP_READ);
+ outdata = gst_buffer_map (outbuf, &outsize, NULL, GST_MAP_WRITE);
+
+ colorspace_convert_convert (space->convert, outdata, indata);
+
+ gst_buffer_unmap (outbuf, outdata, outsize);
+ gst_buffer_unmap (inbuf, indata, insize);
/* baseclass copies timestamps */
GST_DEBUG ("from %d -> to %d done", space->from_format, space->to_format);