diff options
Diffstat (limited to 'gst/alpha/gstalpha.c')
| -rw-r--r-- | gst/alpha/gstalpha.c | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/gst/alpha/gstalpha.c b/gst/alpha/gstalpha.c index 5265f8173..2862b94bf 100644 --- a/gst/alpha/gstalpha.c +++ b/gst/alpha/gstalpha.c @@ -1523,6 +1523,7 @@ gst_alpha_set_planar_yuv_argb (const guint8 * src, guint8 * dest, gint width, gint v_subs, h_subs; gint matrix[12]; gint a, y, u, v; + gint r, g, b; gint p[4]; p[0] = @@ -1585,9 +1586,12 @@ gst_alpha_set_planar_yuv_argb (const guint8 * src, guint8 * dest, gint width, v = srcV[0]; dest[p[0]] = a; - dest[p[1]] = APPLY_MATRIX (matrix, 0, y, u, v); - dest[p[2]] = APPLY_MATRIX (matrix, 1, y, u, v); - dest[p[3]] = APPLY_MATRIX (matrix, 2, y, u, v); + r = APPLY_MATRIX (matrix, 0, y, u, v); + g = APPLY_MATRIX (matrix, 1, y, u, v); + b = APPLY_MATRIX (matrix, 2, y, u, v); + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); dest += 4; srcY++; @@ -1618,6 +1622,7 @@ gst_alpha_chroma_key_planar_yuv_argb (const guint8 * src, guint8 * dest, const guint8 *srcV, *srcV_tmp; gint i, j; gint a, y, u, v; + gint r, g, b; gint src_wrap, src_uv_wrap; gint y_stride, uv_stride; gint v_subs, h_subs; @@ -1699,10 +1704,13 @@ gst_alpha_chroma_key_planar_yuv_argb (const guint8 * src, guint8 * dest, u += 128; v += 128; - dest[0] = a; - dest[1] = APPLY_MATRIX (matrix, 0, y, u, v); - dest[2] = APPLY_MATRIX (matrix, 1, y, u, v); - dest[3] = APPLY_MATRIX (matrix, 2, y, u, v); + dest[p[0]] = a; + r = APPLY_MATRIX (matrix, 0, y, u, v); + g = APPLY_MATRIX (matrix, 1, y, u, v); + b = APPLY_MATRIX (matrix, 2, y, u, v); + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); dest += 4; srcY++; @@ -2045,18 +2053,18 @@ gst_alpha_set_packed_422_argb (const guint8 * src, guint8 * dest, gint width, b = APPLY_MATRIX (matrix, 2, src[o[0]], src[o[1]], src[o[3]]); dest[p[0]] = s_alpha; - dest[p[1]] = r; - dest[p[2]] = g; - dest[p[3]] = b; + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); r = APPLY_MATRIX (matrix, 0, src[o[2]], src[o[1]], src[o[3]]); g = APPLY_MATRIX (matrix, 1, src[o[2]], src[o[1]], src[o[3]]); b = APPLY_MATRIX (matrix, 2, src[o[2]], src[o[1]], src[o[3]]); dest[4 + p[0]] = s_alpha; - dest[4 + p[1]] = r; - dest[4 + p[2]] = g; - dest[4 + p[3]] = b; + dest[4 + p[1]] = CLAMP (r, 0, 255); + dest[4 + p[2]] = CLAMP (g, 0, 255); + dest[4 + p[3]] = CLAMP (b, 0, 255); dest += 8; src += 4; @@ -2068,9 +2076,9 @@ gst_alpha_set_packed_422_argb (const guint8 * src, guint8 * dest, gint width, b = APPLY_MATRIX (matrix, 2, src[o[0]], src[o[1]], src[o[3]]); dest[p[0]] = s_alpha; - dest[p[1]] = r; - dest[p[2]] = g; - dest[p[3]] = b; + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); dest += 4; } @@ -2152,9 +2160,9 @@ gst_alpha_chroma_key_packed_422_argb (const guint8 * src, guint8 * dest, b = APPLY_MATRIX (matrix, 2, y, u, v); dest[p[0]] = a; - dest[p[1]] = r; - dest[p[2]] = g; - dest[p[3]] = b; + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); y = src[o[2]]; u = src[o[1]] - 128; @@ -2171,9 +2179,9 @@ gst_alpha_chroma_key_packed_422_argb (const guint8 * src, guint8 * dest, b = APPLY_MATRIX (matrix, 2, y, u, v); dest[4 + p[0]] = a; - dest[4 + p[1]] = r; - dest[4 + p[2]] = g; - dest[4 + p[3]] = b; + dest[4 + p[1]] = CLAMP (r, 0, 255); + dest[4 + p[2]] = CLAMP (g, 0, 255); + dest[4 + p[3]] = CLAMP (b, 0, 255); dest += 8; src += 4; @@ -2195,9 +2203,9 @@ gst_alpha_chroma_key_packed_422_argb (const guint8 * src, guint8 * dest, b = APPLY_MATRIX (matrix, 2, y, u, v); dest[p[0]] = a; - dest[p[1]] = r; - dest[p[2]] = g; - dest[p[3]] = b; + dest[p[1]] = CLAMP (r, 0, 255); + dest[p[2]] = CLAMP (g, 0, 255); + dest[p[3]] = CLAMP (b, 0, 255); dest += 4; } |