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[MOVED FROM BAD 16/29] shapewipe: Add BGRA support for video in/output

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This commit is contained in:
Sebastian Dröge 2009-07-08 17:59:29 +02:00
parent 9716cb9935
commit 41eed9dcca
1 changed files with 27 additions and 18 deletions
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45
gst/shapewipe/gstshapewipe.c
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@ -96,7 +96,8 @@ static GstStaticPadTemplate video_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("video_sink", GST_STATIC_PAD_TEMPLATE ("video_sink",
GST_PAD_SINK, GST_PAD_SINK,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") " ; " GST_VIDEO_CAPS_ARGB)); GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") " ; " GST_VIDEO_CAPS_ARGB " ; "
GST_VIDEO_CAPS_BGRA));
static GstStaticPadTemplate mask_sink_pad_template = static GstStaticPadTemplate mask_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("mask_sink", GST_STATIC_PAD_TEMPLATE ("mask_sink",
@ -113,7 +114,8 @@ static GstStaticPadTemplate mask_sink_pad_template =
static GstStaticPadTemplate src_pad_template = static GstStaticPadTemplate src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") " ; " GST_VIDEO_CAPS_ARGB)); GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") " ; " GST_VIDEO_CAPS_ARGB " ; "
GST_VIDEO_CAPS_BGRA));
GST_DEBUG_CATEGORY_STATIC (gst_shape_wipe_debug); GST_DEBUG_CATEGORY_STATIC (gst_shape_wipe_debug);
#define GST_CAT_DEFAULT gst_shape_wipe_debug #define GST_CAT_DEFAULT gst_shape_wipe_debug
@ -808,9 +810,9 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
CREATE_AYUV_FUNCTIONS (16, 65536.0f); CREATE_AYUV_FUNCTIONS (16, 65536.0f);
CREATE_AYUV_FUNCTIONS (8, 256.0f); CREATE_AYUV_FUNCTIONS (8, 256.0f);
#define CREATE_ARGB_FUNCTIONS(depth, scale) \ #define CREATE_ARGB_FUNCTIONS(depth, name, scale, a, r, g, b) \
static GstFlowReturn \ static GstFlowReturn \
gst_shape_wipe_blend_argb_##depth (GstShapeWipe * self, GstBuffer * inbuf, \ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
GstBuffer * maskbuf, GstBuffer * outbuf) \ GstBuffer * maskbuf, GstBuffer * outbuf) \
{ \ { \
const guint##depth *mask = (const guint##depth *) GST_BUFFER_DATA (maskbuf); \ const guint##depth *mask = (const guint##depth *) GST_BUFFER_DATA (maskbuf); \
@ -838,22 +840,22 @@ gst_shape_wipe_blend_argb_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
gfloat in = *mask / scale; \ gfloat in = *mask / scale; \
\ \
if (in < low) { \ if (in < low) { \
output[0] = 0x00; /* A */ \ output[a] = 0x00; /* A */ \
output[1] = 0x00; /* R */ \ output[r] = 0x00; /* R */ \
output[2] = 0x00; /* G */ \ output[g] = 0x00; /* G */ \
output[3] = 0x00; /* B */ \ output[b] = 0x00; /* B */ \
} else if (in >= high) { \ } else if (in >= high) { \
output[0] = 0xff; /* A */ \ output[a] = 0xff; /* A */ \
output[1] = input[1]; /* R */ \ output[r] = input[r]; /* R */ \
output[2] = input[2]; /* G */ \ output[g] = input[g]; /* G */ \
output[3] = input[3]; /* B */ \ output[b] = input[b]; /* B */ \
} else { \ } else { \
gfloat val = 255.0f * ((in - low) / (high - low)); \ gfloat val = 255.0f * ((in - low) / (high - low)); \
\ \
output[0] = CLAMP (val, 0, 255); /* A */ \ output[a] = CLAMP (val, 0, 255); /* A */ \
output[1] = input[1]; /* R */ \ output[r] = input[r]; /* R */ \
output[2] = input[2]; /* G */ \ output[g] = input[g]; /* G */ \
output[3] = input[3]; /* B */ \ output[b] = input[b]; /* B */ \
} \ } \
\ \
mask++; \ mask++; \
@ -866,8 +868,11 @@ gst_shape_wipe_blend_argb_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
return GST_FLOW_OK; \ return GST_FLOW_OK; \
} }
CREATE_ARGB_FUNCTIONS (16, 65536.0f); CREATE_ARGB_FUNCTIONS (16, argb, 65536.0f, 0, 1, 2, 3);
CREATE_ARGB_FUNCTIONS (8, 256.0f); CREATE_ARGB_FUNCTIONS (8, argb, 256.0f, 0, 1, 2, 3);
CREATE_ARGB_FUNCTIONS (16, bgra, 65536.0f, 3, 2, 1, 0);
CREATE_ARGB_FUNCTIONS (8, bgra, 256.0f, 3, 2, 1, 0);
static GstFlowReturn static GstFlowReturn
gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer) gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
@ -937,6 +942,10 @@ gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
ret = gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf); ret = gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_ARGB) else if (self->fmt == GST_VIDEO_FORMAT_ARGB)
ret = gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf); ret = gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_bgra_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA)
ret = gst_shape_wipe_blend_bgra_8 (self, buffer, mask, outbuf);
else else
g_assert_not_reached (); g_assert_not_reached ();