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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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alpha: Add support for generating ARGB output
This commit is contained in:
Sebastian Dröge
parent
fe4ff4f324
commit
985ec0260c
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@ -104,10 +104,12 @@ enum
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};
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static GstStaticPadTemplate gst_alpha_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV"))
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV") ";"
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GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
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GST_VIDEO_CAPS_ABGR ";" GST_VIDEO_CAPS_RGBA)
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);
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static GstStaticPadTemplate gst_alpha_sink_template =
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@ -381,14 +383,30 @@ gst_alpha_transform_caps (GstBaseTransform * btrans,
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ret = gst_caps_new_empty ();
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/* When going from the SINK pad to the src, we just need to make sure the
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* format is AYUV */
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* format is AYUV or one of the ARGB variants */
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if (direction == GST_PAD_SINK) {
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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structure = gst_structure_copy (gst_caps_get_structure (caps, i));
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gst_structure_remove_field (structure, "format");
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gst_structure_remove_field (structure, "endianness");
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gst_structure_remove_field (structure, "depth");
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gst_structure_remove_field (structure, "bpp");
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gst_structure_remove_field (structure, "red_mask");
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gst_structure_remove_field (structure, "green_mask");
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gst_structure_remove_field (structure, "blue_mask");
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gst_structure_remove_field (structure, "alpha_mask");
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gst_structure_remove_field (structure, "color-matrix");
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gst_structure_remove_field (structure, "chroma-site");
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gst_structure_set_name (structure, "video/x-raw-yuv");
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gst_structure_set (structure, "format",
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GST_TYPE_FOURCC, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'), NULL);
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gst_structure_remove_field (structure, "chroma-site");
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gst_structure_remove_field (structure, "color-matrix");
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gst_caps_append_structure (ret, gst_structure_copy (structure));
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gst_structure_remove_field (structure, "format");
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gst_structure_set_name (structure, "video/x-raw-rgb");
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gst_caps_append_structure (ret, structure);
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}
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} else {
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@ -397,7 +415,19 @@ gst_alpha_transform_caps (GstBaseTransform * btrans,
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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structure = gst_structure_copy (gst_caps_get_structure (caps, i));
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gst_structure_set_name (structure, "video/x-raw-yuv");
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gst_structure_remove_field (structure, "format");
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gst_structure_remove_field (structure, "endianness");
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gst_structure_remove_field (structure, "depth");
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gst_structure_remove_field (structure, "bpp");
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gst_structure_remove_field (structure, "red_mask");
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gst_structure_remove_field (structure, "green_mask");
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gst_structure_remove_field (structure, "blue_mask");
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gst_structure_remove_field (structure, "alpha_mask");
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gst_structure_remove_field (structure, "color-matrix");
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gst_structure_remove_field (structure, "chroma-site");
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gst_structure_set (structure, "format",
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GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'), NULL);
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@ -405,7 +435,6 @@ gst_alpha_transform_caps (GstBaseTransform * btrans,
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gst_structure_set (structure, "format",
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GST_TYPE_FOURCC, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'), NULL);
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gst_structure_remove_field (structure, "chroma-site");
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gst_caps_append_structure (ret, structure);
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}
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}
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@ -571,6 +600,419 @@ gst_alpha_set_ayuv_ayuv (const guint8 * src, guint8 * dest, gint width,
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}
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}
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#define CREATE_AYUV_ARGB_FUNCTIONS(name, A, R, G, B) \
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static void \
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gst_alpha_set_ayuv_##name (const guint8 * src, guint8 * dest, gint width, \
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gint height, GstAlpha * alpha) \
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{ \
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gint s_alpha = CLAMP ((gint) (alpha->alpha * 256), 0, 256); \
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gint y, x; \
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gint matrix[12]; \
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gint r, g, b; \
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\
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memcpy (matrix, \
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv : \
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint)); \
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\
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for (y = 0; y < height; y++) { \
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for (x = 0; x < width; x++) { \
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dest[A] = (src[0] * s_alpha) >> 8; \
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\
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r = APPLY_MATRIX (matrix, 0, src[1], src[2], src[3]); \
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g = APPLY_MATRIX (matrix, 1, src[1], src[2], src[3]); \
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b = APPLY_MATRIX (matrix, 2, src[1], src[2], src[3]); \
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\
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dest[R] = CLAMP (r, 0, 255); \
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dest[G] = CLAMP (g, 0, 255); \
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dest[B] = CLAMP (b, 0, 255); \
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\
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dest += 4; \
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src += 4; \
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} \
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} \
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} \
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\
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static void \
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gst_alpha_chroma_key_ayuv_##name (const guint8 * src, guint8 * dest, gint width, \
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gint height, GstAlpha * alpha) \
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{ \
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gint i, j; \
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gint a, y, u, v; \
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gint r, g, b; \
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gint smin, smax; \
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gint pa = CLAMP ((gint) (alpha->alpha * 256), 0, 256); \
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gint8 cb = alpha->cb, cr = alpha->cr; \
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gint8 kg = alpha->kg; \
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guint8 accept_angle_tg = alpha->accept_angle_tg; \
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guint8 accept_angle_ctg = alpha->accept_angle_ctg; \
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guint8 one_over_kc = alpha->one_over_kc; \
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guint8 kfgy_scale = alpha->kfgy_scale; \
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guint noise_level2 = alpha->noise_level2; \
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gint matrix[12]; \
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\
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smin = 128 - alpha->black_sensitivity; \
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smax = 128 + alpha->white_sensitivity; \
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\
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memcpy (matrix, \
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv : \
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint)); \
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\
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for (i = 0; i < height; i++) { \
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for (j = 0; j < width; j++) { \
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a = (src[0] * pa) >> 8; \
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y = src[1]; \
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u = src[2] - 128; \
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v = src[3] - 128; \
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\
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a = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb, \
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smin, smax, accept_angle_tg, accept_angle_ctg, \
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one_over_kc, kfgy_scale, kg, noise_level2); \
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\
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u += 128; \
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v += 128; \
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\
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r = APPLY_MATRIX (matrix, 0, y, u, v); \
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g = APPLY_MATRIX (matrix, 1, y, u, v); \
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b = APPLY_MATRIX (matrix, 2, y, u, v); \
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\
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dest[A] = a; \
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dest[R] = CLAMP (r, 0, 255); \
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dest[G] = CLAMP (g, 0, 255); \
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dest[B] = CLAMP (b, 0, 255); \
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\
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src += 4; \
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dest += 4; \
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} \
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} \
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}
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CREATE_AYUV_ARGB_FUNCTIONS (argb, 0, 1, 2, 3);
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CREATE_AYUV_ARGB_FUNCTIONS (abgr, 0, 3, 2, 1);
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CREATE_AYUV_ARGB_FUNCTIONS (rgba, 3, 0, 1, 2);
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CREATE_AYUV_ARGB_FUNCTIONS (bgra, 3, 2, 1, 0);
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static void
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gst_alpha_chroma_key_ayuv_ayuv (const guint8 * src, guint8 * dest,
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gint width, gint height, GstAlpha * alpha)
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{
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gint i, j;
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gint a, y, u, v;
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gint smin, smax;
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gint pa = CLAMP ((gint) (alpha->alpha * 256), 0, 256);
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gint8 cb = alpha->cb, cr = alpha->cr;
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gint8 kg = alpha->kg;
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guint8 accept_angle_tg = alpha->accept_angle_tg;
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guint8 accept_angle_ctg = alpha->accept_angle_ctg;
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guint8 one_over_kc = alpha->one_over_kc;
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guint8 kfgy_scale = alpha->kfgy_scale;
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guint noise_level2 = alpha->noise_level2;
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smin = 128 - alpha->black_sensitivity;
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smax = 128 + alpha->white_sensitivity;
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if (alpha->in_sdtv == alpha->out_sdtv) {
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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a = (src[0] * pa) >> 8;
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y = src[1];
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u = src[2] - 128;
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v = src[3] - 128;
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a = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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u += 128;
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v += 128;
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dest[0] = a;
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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src += 4;
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dest += 4;
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}
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}
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} else {
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gint matrix[12];
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memcpy (matrix,
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alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
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cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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a = (src[0] * pa) >> 8;
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y = APPLY_MATRIX (matrix, 0, src[1], src[2], src[3]);
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u = APPLY_MATRIX (matrix, 1, src[1], src[2], src[3]) - 128;
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v = APPLY_MATRIX (matrix, 2, src[1], src[2], src[3]) - 128;
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a = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb,
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smin, smax, accept_angle_tg, accept_angle_ctg,
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one_over_kc, kfgy_scale, kg, noise_level2);
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u += 128;
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v += 128;
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dest[0] = a;
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dest[1] = y;
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dest[2] = u;
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dest[3] = v;
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src += 4;
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dest += 4;
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}
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}
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}
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}
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#define CREATE_I420_ARGB_FUNCTIONS(name, A, R, G, B) \
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static void \
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gst_alpha_set_i420_##name (const guint8 * src, guint8 * dest, gint width, \
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gint height, GstAlpha * alpha) \
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{ \
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gint b_alpha = CLAMP ((gint) (alpha->alpha * 255), 0, 255); \
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const guint8 *srcY; \
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const guint8 *srcU; \
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const guint8 *srcV; \
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gint i, j; \
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gint src_wrap, src_uv_wrap; \
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gint y_stride, uv_stride; \
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gboolean odd_width; \
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gint matrix[12]; \
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gint r, g, b; \
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\
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y_stride = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420, 0, width); \
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uv_stride = gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420, 1, width); \
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\
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src_wrap = y_stride - width; \
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src_uv_wrap = uv_stride - (width / 2); \
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\
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srcY = src; \
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srcU = src + gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420, \
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1, width, height); \
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srcV = src + gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420, \
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2, width, height); \
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\
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odd_width = (width % 2 != 0); \
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\
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memcpy (matrix, \
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv : \
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint)); \
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\
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for (i = 0; i < height; i++) { \
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for (j = 0; j < width / 2; j++) { \
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dest[A] = b_alpha; \
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r = APPLY_MATRIX (matrix, 0, srcY[0], srcU[0], srcV[0]); \
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g = APPLY_MATRIX (matrix, 1, srcY[0], srcU[0], srcV[0]); \
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b = APPLY_MATRIX (matrix, 2, srcY[0], srcU[0], srcV[0]); \
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dest[R] = CLAMP (r, 0, 255); \
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dest[G] = CLAMP (g, 0, 255); \
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dest[B] = CLAMP (b, 0, 255); \
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\
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dest[4 + A] = b_alpha; \
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r = APPLY_MATRIX (matrix, 0, srcY[1], srcU[0], srcV[0]); \
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g = APPLY_MATRIX (matrix, 1, srcY[1], srcU[0], srcV[0]); \
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b = APPLY_MATRIX (matrix, 2, srcY[1], srcU[0], srcV[0]); \
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dest[4 + R] = CLAMP (r, 0, 255); \
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dest[4 + G] = CLAMP (g, 0, 255); \
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dest[4 + B] = CLAMP (b, 0, 255); \
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\
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dest += 8; \
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srcY += 2; \
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srcU++; \
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srcV++; \
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} \
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/* Might have one odd column left to do */ \
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if (odd_width) { \
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dest[A] = b_alpha; \
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r = APPLY_MATRIX (matrix, 0, srcY[0], srcU[0], srcV[0]); \
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g = APPLY_MATRIX (matrix, 1, srcY[0], srcU[0], srcV[0]); \
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b = APPLY_MATRIX (matrix, 2, srcY[0], srcU[0], srcV[0]); \
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dest[R] = CLAMP (r, 0, 255); \
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dest[G] = CLAMP (g, 0, 255); \
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dest[B] = CLAMP (b, 0, 255); \
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\
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dest += 4; \
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srcY++; \
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} \
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if (i % 2 == 0) { \
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srcU -= width / 2; \
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srcV -= width / 2; \
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} else { \
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srcU += src_uv_wrap; \
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srcV += src_uv_wrap; \
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} \
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srcY += src_wrap; \
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} \
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} \
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\
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static inline void \
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gst_alpha_chromakey_row_i420_##name (GstAlpha * alpha, guint8 * dest1, \
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guint8 * dest2, const guint8 * srcY1, const guint8 * srcY2, \
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const guint8 * srcU, const guint8 * srcV, gint width) \
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{ \
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gint xpos; \
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gint a, a2, u, v; \
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gint r, g, b; \
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gint smin, smax; \
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gint8 cb = alpha->cb, cr = alpha->cr; \
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gint8 kg = alpha->kg; \
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guint8 accept_angle_tg = alpha->accept_angle_tg; \
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guint8 accept_angle_ctg = alpha->accept_angle_ctg; \
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guint8 one_over_kc = alpha->one_over_kc; \
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guint8 kfgy_scale = alpha->kfgy_scale; \
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guint noise_level2 = alpha->noise_level2; \
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gint matrix[12], y; \
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\
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a = CLAMP ((gint) (alpha->alpha * 255), 0, 255); \
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smin = 128 - alpha->black_sensitivity; \
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smax = 128 + alpha->white_sensitivity; \
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\
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memcpy (matrix, \
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alpha->in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv : \
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cog_ycbcr_to_rgb_matrix_8bit_hdtv, 12 * sizeof (gint)); \
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\
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for (xpos = 0; xpos < width / 2; xpos++) { \
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y = srcY1[0]; \
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u = srcU[0] - 128; \
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v = srcV[0] - 128; \
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\
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a2 = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb, smin, \
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smax, accept_angle_tg, accept_angle_ctg, \
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one_over_kc, kfgy_scale, kg, noise_level2); \
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\
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u += 128; \
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v += 128; \
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\
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r = APPLY_MATRIX (matrix, 0, y, u, v); \
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g = APPLY_MATRIX (matrix, 1, y, u, v); \
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b = APPLY_MATRIX (matrix, 2, y, u, v); \
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\
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dest1[A] = a2; \
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dest1[R] = CLAMP (r, 0, 255); \
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dest1[G] = CLAMP (g, 0, 255); \
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dest1[B] = CLAMP (b, 0, 255); \
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\
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y = srcY1[1]; \
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u = srcU[0] - 128; \
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v = srcV[0] - 128; \
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\
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a2 = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb, smin, \
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smax, accept_angle_tg, accept_angle_ctg, \
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one_over_kc, kfgy_scale, kg, noise_level2); \
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\
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u += 128; \
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v += 128; \
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\
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v); \
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v); \
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v); \
|
||||
\
|
||||
dest1[4 + A] = a2; \
|
||||
dest1[4 + R] = CLAMP (r, 0, 255); \
|
||||
dest1[4 + G] = CLAMP (g, 0, 255); \
|
||||
dest1[4 + B] = CLAMP (b, 0, 255); \
|
||||
\
|
||||
y = srcY2[0]; \
|
||||
u = srcU[0] - 128; \
|
||||
v = srcV[0] - 128; \
|
||||
\
|
||||
a2 = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb, smin, \
|
||||
smax, accept_angle_tg, accept_angle_ctg, \
|
||||
one_over_kc, kfgy_scale, kg, noise_level2); \
|
||||
\
|
||||
u += 128; \
|
||||
v += 128; \
|
||||
\
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v); \
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v); \
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v); \
|
||||
\
|
||||
dest2[A] = a2; \
|
||||
dest2[R] = CLAMP (r, 0, 255); \
|
||||
dest2[G] = CLAMP (g, 0, 255); \
|
||||
dest2[B] = CLAMP (b, 0, 255); \
|
||||
\
|
||||
y = srcY2[1]; \
|
||||
u = srcU[0] - 128; \
|
||||
v = srcV[0] - 128; \
|
||||
\
|
||||
a2 = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb, smin, \
|
||||
smax, accept_angle_tg, accept_angle_ctg, \
|
||||
one_over_kc, kfgy_scale, kg, noise_level2); \
|
||||
\
|
||||
u += 128; \
|
||||
v += 128; \
|
||||
\
|
||||
r = APPLY_MATRIX (matrix, 0, y, u, v); \
|
||||
g = APPLY_MATRIX (matrix, 1, y, u, v); \
|
||||
b = APPLY_MATRIX (matrix, 2, y, u, v); \
|
||||
\
|
||||
dest2[4 + A] = a2; \
|
||||
dest2[4 + R] = CLAMP (r, 0, 255); \
|
||||
dest2[4 + G] = CLAMP (g, 0, 255); \
|
||||
dest2[4 + B] = CLAMP (b, 0, 255); \
|
||||
\
|
||||
srcY1 += 2; \
|
||||
srcY2 += 2; \
|
||||
srcU++; \
|
||||
srcV++; \
|
||||
dest1 += 8; \
|
||||
dest2 += 8; \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
static void \
|
||||
gst_alpha_chroma_key_i420_##name (const guint8 * src, guint8 * dest, \
|
||||
gint width, gint height, GstAlpha * alpha) \
|
||||
{ \
|
||||
const guint8 *srcY1, *srcY2, *srcU, *srcV; \
|
||||
guint8 *dest1, *dest2; \
|
||||
gint ypos; \
|
||||
gint dest_stride, src_y_stride, src_uv_stride; \
|
||||
\
|
||||
dest_stride = \
|
||||
gst_video_format_get_row_stride (GST_VIDEO_FORMAT_AYUV, 0, width); \
|
||||
src_y_stride = \
|
||||
gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420, 0, width); \
|
||||
src_uv_stride = \
|
||||
gst_video_format_get_row_stride (GST_VIDEO_FORMAT_I420, 1, width); \
|
||||
\
|
||||
srcY1 = src; \
|
||||
srcY2 = src + src_y_stride; \
|
||||
\
|
||||
srcU = src + gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420, \
|
||||
1, width, height); \
|
||||
srcV = src + gst_video_format_get_component_offset (GST_VIDEO_FORMAT_I420, \
|
||||
2, width, height); \
|
||||
\
|
||||
dest1 = dest; \
|
||||
dest2 = dest + dest_stride; \
|
||||
\
|
||||
/* Redefine Y strides to skip 2 lines at a time ... */ \
|
||||
dest_stride *= 2; \
|
||||
src_y_stride *= 2; \
|
||||
\
|
||||
for (ypos = 0; ypos < height / 2; ypos++) { \
|
||||
gst_alpha_chromakey_row_i420_##name (alpha, dest1, dest2, \
|
||||
srcY1, srcY2, srcU, srcV, width); \
|
||||
\
|
||||
dest1 += dest_stride; \
|
||||
dest2 += dest_stride; \
|
||||
srcY1 += src_y_stride; \
|
||||
srcY2 += src_y_stride; \
|
||||
srcU += src_uv_stride; \
|
||||
srcV += src_uv_stride; \
|
||||
} \
|
||||
}
|
||||
|
||||
CREATE_I420_ARGB_FUNCTIONS (argb, 0, 1, 2, 3);
|
||||
CREATE_I420_ARGB_FUNCTIONS (abgr, 0, 3, 2, 1);
|
||||
CREATE_I420_ARGB_FUNCTIONS (rgba, 3, 0, 1, 2);
|
||||
CREATE_I420_ARGB_FUNCTIONS (bgra, 3, 2, 1, 0);
|
||||
|
||||
static void
|
||||
gst_alpha_set_i420_ayuv (const guint8 * src, guint8 * dest, gint width,
|
||||
gint height, GstAlpha * alpha)
|
||||
|
|
@ -679,87 +1121,6 @@ gst_alpha_set_i420_ayuv (const guint8 * src, guint8 * dest, gint width,
|
|||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_alpha_chroma_key_ayuv_ayuv (const guint8 * src, guint8 * dest, gint width,
|
||||
gint height, GstAlpha * alpha)
|
||||
{
|
||||
const guint8 *src1;
|
||||
guint8 *dest1;
|
||||
gint i, j;
|
||||
gint a, y, u, v;
|
||||
gint smin, smax;
|
||||
gint pa = alpha->alpha * 255;
|
||||
gint8 cb = alpha->cb, cr = alpha->cr;
|
||||
gint8 kg = alpha->kg;
|
||||
guint8 accept_angle_tg = alpha->accept_angle_tg;
|
||||
guint8 accept_angle_ctg = alpha->accept_angle_ctg;
|
||||
guint8 one_over_kc = alpha->one_over_kc;
|
||||
guint8 kfgy_scale = alpha->kfgy_scale;
|
||||
guint noise_level2 = alpha->noise_level2;
|
||||
|
||||
smin = 128 - alpha->black_sensitivity;
|
||||
smax = 128 + alpha->white_sensitivity;
|
||||
|
||||
src1 = src;
|
||||
dest1 = dest;
|
||||
|
||||
if (alpha->in_sdtv == alpha->out_sdtv) {
|
||||
for (i = 0; i < height; i++) {
|
||||
for (j = 0; j < width; j++) {
|
||||
a = (src1[0] * pa) >> 8;
|
||||
y = src1[1];
|
||||
u = src1[2] - 128;
|
||||
v = src1[3] - 128;
|
||||
|
||||
a = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb,
|
||||
smin, smax, accept_angle_tg, accept_angle_ctg,
|
||||
one_over_kc, kfgy_scale, kg, noise_level2);
|
||||
|
||||
u += 128;
|
||||
v += 128;
|
||||
|
||||
dest1[0] = a;
|
||||
dest1[1] = y;
|
||||
dest1[2] = u;
|
||||
dest1[3] = v;
|
||||
|
||||
src1 += 4;
|
||||
dest1 += 4;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
gint matrix[12];
|
||||
|
||||
memcpy (matrix,
|
||||
alpha->out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
|
||||
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit, 12 * sizeof (gint));
|
||||
|
||||
for (i = 0; i < height; i++) {
|
||||
for (j = 0; j < width; j++) {
|
||||
a = (src1[0] * pa) >> 8;
|
||||
y = APPLY_MATRIX (matrix, 0, src1[1], src1[2], src1[3]);
|
||||
u = APPLY_MATRIX (matrix, 1, src1[1], src1[2], src1[3]) - 128;
|
||||
v = APPLY_MATRIX (matrix, 2, src1[1], src1[2], src1[3]) - 128;
|
||||
|
||||
a = chroma_keying_yuv (a, &y, 1, &u, &v, cr, cb,
|
||||
smin, smax, accept_angle_tg, accept_angle_ctg,
|
||||
one_over_kc, kfgy_scale, kg, noise_level2);
|
||||
|
||||
u += 128;
|
||||
v += 128;
|
||||
|
||||
dest1[0] = a;
|
||||
dest1[1] = y;
|
||||
dest1[2] = u;
|
||||
dest1[3] = v;
|
||||
|
||||
src1 += 4;
|
||||
dest1 += 4;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static inline void
|
||||
gst_alpha_chromakey_row_i420_ayuv (GstAlpha * alpha, guint8 * dest1,
|
||||
guint8 * dest2, const guint8 * srcY1, const guint8 * srcY2,
|
||||
|
|
@ -776,7 +1137,7 @@ gst_alpha_chromakey_row_i420_ayuv (GstAlpha * alpha, guint8 * dest1,
|
|||
guint8 kfgy_scale = alpha->kfgy_scale;
|
||||
guint noise_level2 = alpha->noise_level2;
|
||||
|
||||
a = 255 * alpha->alpha;
|
||||
a = CLAMP ((gint) (alpha->alpha * 255), 0, 255);
|
||||
smin = 128 - alpha->black_sensitivity;
|
||||
smax = 128 + alpha->white_sensitivity;
|
||||
|
||||
|
|
@ -906,8 +1267,8 @@ gst_alpha_chromakey_row_i420_ayuv (GstAlpha * alpha, guint8 * dest1,
|
|||
}
|
||||
|
||||
static void
|
||||
gst_alpha_chroma_key_i420_ayuv (const guint8 * src, guint8 * dest, gint width,
|
||||
gint height, GstAlpha * alpha)
|
||||
gst_alpha_chroma_key_i420_ayuv (const guint8 * src, guint8 * dest,
|
||||
gint width, gint height, GstAlpha * alpha)
|
||||
{
|
||||
const guint8 *srcY1, *srcY2, *srcU, *srcV;
|
||||
guint8 *dest1, *dest2;
|
||||
|
|
@ -1020,6 +1381,7 @@ static gboolean
|
|||
gst_alpha_set_process_function (GstAlpha * alpha)
|
||||
{
|
||||
alpha->process = NULL;
|
||||
|
||||
switch (alpha->method) {
|
||||
case ALPHA_METHOD_SET:
|
||||
switch (alpha->out_format) {
|
||||
|
|
@ -1034,6 +1396,55 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_set_ayuv_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_set_i420_argb;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_set_ayuv_abgr;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_set_i420_abgr;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_set_ayuv_rgba;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_set_i420_rgba;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_BGRA:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_set_ayuv_bgra;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_set_i420_bgra;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
@ -1053,6 +1464,55 @@ gst_alpha_set_process_function (GstAlpha * alpha)
|
|||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_chroma_key_ayuv_argb;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_chroma_key_i420_argb;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_chroma_key_ayuv_abgr;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_chroma_key_i420_abgr;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_chroma_key_ayuv_rgba;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_chroma_key_i420_rgba;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_BGRA:
|
||||
switch (alpha->in_format) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
alpha->process = gst_alpha_chroma_key_ayuv_bgra;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
alpha->process = gst_alpha_chroma_key_i420_bgra;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue