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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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848 lines
28 KiB
C
848 lines
28 KiB
C
/*
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* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
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* Copyright (C) 2006 Mindfruit Bv.
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* Author: Sjoerd Simons <sjoerd@luon.net>
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* Author: Alex Ugarte <alexugarte@gmail.com>
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* Copyright (C) 2009 Alex Ugarte <augarte@vicomtech.org>
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* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "blend.h"
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#include "blendorc.h"
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#include <string.h>
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#include <gst/video/video.h>
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#define BLEND(D,S,alpha) (((D) * (256 - (alpha)) + (S) * (alpha)) >> 8)
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GST_DEBUG_CATEGORY_STATIC (gst_videomixer_blend_debug);
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#define GST_CAT_DEFAULT gst_videomixer_blend_debug
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/* Below are the implementations of everything */
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/* A32 is for AYUV, ARGB and BGRA */
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#define BLEND_A32(name, method, LOOP) \
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static void \
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method##_ ##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
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gdouble src_alpha, GstVideoFrame * destframe) \
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{ \
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guint s_alpha; \
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gint src_stride, dest_stride; \
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gint dest_width, dest_height; \
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guint8 *src, *dest; \
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gint src_width, src_height; \
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\
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src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
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src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
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src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
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src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
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dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
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dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
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dest_width = GST_VIDEO_FRAME_COMP_WIDTH (destframe, 0); \
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dest_height = GST_VIDEO_FRAME_COMP_HEIGHT (destframe, 0); \
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\
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s_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
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\
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/* If it's completely transparent... we just return */ \
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if (G_UNLIKELY (s_alpha == 0)) \
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return; \
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\
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/* adjust src pointers for negative sizes */ \
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if (xpos < 0) { \
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src += -xpos * 4; \
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src_width -= -xpos; \
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xpos = 0; \
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} \
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if (ypos < 0) { \
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src += -ypos * src_stride; \
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src_height -= -ypos; \
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ypos = 0; \
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} \
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/* adjust width/height if the src is bigger than dest */ \
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if (xpos + src_width > dest_width) { \
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src_width = dest_width - xpos; \
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} \
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if (ypos + src_height > dest_height) { \
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src_height = dest_height - ypos; \
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} \
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\
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dest = dest + 4 * xpos + (ypos * dest_stride); \
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\
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LOOP (dest, src, src_height, src_width, src_stride, dest_stride, s_alpha); \
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}
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#define BLEND_A32_LOOP(name, method) \
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static inline void \
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_##method##_loop_##name (guint8 * dest, const guint8 * src, gint src_height, \
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gint src_width, gint src_stride, gint dest_stride, guint s_alpha) \
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{ \
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s_alpha = MIN (255, s_alpha); \
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video_mixer_orc_##method##_##name (dest, dest_stride, src, src_stride, \
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s_alpha, src_width, src_height); \
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}
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BLEND_A32_LOOP (argb, blend);
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BLEND_A32_LOOP (bgra, blend);
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BLEND_A32_LOOP (argb, overlay);
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BLEND_A32_LOOP (bgra, overlay);
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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BLEND_A32 (argb, blend, _blend_loop_argb);
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BLEND_A32 (bgra, blend, _blend_loop_bgra);
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BLEND_A32 (argb, overlay, _overlay_loop_argb);
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BLEND_A32 (bgra, overlay, _overlay_loop_bgra);
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#else
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BLEND_A32 (argb, blend, _blend_loop_bgra);
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BLEND_A32 (bgra, blend, _blend_loop_argb);
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BLEND_A32 (argb, overlay, _overlay_loop_bgra);
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BLEND_A32 (bgra, overlay, _overlay_loop_argb);
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#endif
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#define A32_CHECKER_C(name, RGB, A, C1, C2, C3) \
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static void \
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fill_checker_##name##_c (GstVideoFrame * frame) \
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{ \
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gint i, j; \
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gint val; \
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static const gint tab[] = { 80, 160, 80, 160 }; \
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gint width, height; \
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guint8 *dest; \
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\
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dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
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width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
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height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
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\
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if (!RGB) { \
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for (i = 0; i < height; i++) { \
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for (j = 0; j < width; j++) { \
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dest[A] = 0xff; \
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dest[C1] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
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dest[C2] = 128; \
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dest[C3] = 128; \
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dest += 4; \
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} \
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} \
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} else { \
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for (i = 0; i < height; i++) { \
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for (j = 0; j < width; j++) { \
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val = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
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dest[A] = 0xFF; \
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dest[C1] = val; \
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dest[C2] = val; \
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dest[C3] = val; \
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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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A32_CHECKER_C (argb, TRUE, 0, 1, 2, 3);
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A32_CHECKER_C (bgra, TRUE, 3, 2, 1, 0);
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A32_CHECKER_C (ayuv, FALSE, 0, 1, 2, 3);
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#define YUV_TO_R(Y,U,V) (CLAMP (1.164 * (Y - 16) + 1.596 * (V - 128), 0, 255))
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#define YUV_TO_G(Y,U,V) (CLAMP (1.164 * (Y - 16) - 0.813 * (V - 128) - 0.391 * (U - 128), 0, 255))
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#define YUV_TO_B(Y,U,V) (CLAMP (1.164 * (Y - 16) + 2.018 * (U - 128), 0, 255))
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#define A32_COLOR(name, RGB, A, C1, C2, C3) \
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static void \
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fill_color_##name (GstVideoFrame * frame, gint Y, gint U, gint V) \
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{ \
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gint c1, c2, c3; \
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guint32 val; \
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gint width, height; \
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guint8 *dest; \
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\
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dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
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width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
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height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
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\
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if (RGB) { \
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c1 = YUV_TO_R (Y, U, V); \
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c2 = YUV_TO_G (Y, U, V); \
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c3 = YUV_TO_B (Y, U, V); \
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} else { \
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c1 = Y; \
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c2 = U; \
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c3 = V; \
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} \
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val = GUINT32_FROM_BE ((0xff << A) | (c1 << C1) | (c2 << C2) | (c3 << C3)); \
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\
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video_mixer_orc_splat_u32 ((guint32 *) dest, val, height * width); \
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}
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A32_COLOR (argb, TRUE, 24, 16, 8, 0);
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A32_COLOR (bgra, TRUE, 0, 8, 16, 24);
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A32_COLOR (abgr, TRUE, 24, 0, 8, 16);
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A32_COLOR (rgba, TRUE, 0, 24, 16, 8);
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A32_COLOR (ayuv, FALSE, 24, 16, 8, 0);
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/* Y444, Y42B, I420, YV12, Y41B */
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#define PLANAR_YUV_BLEND(format_name,format_enum,x_round,y_round,MEMCPY,BLENDLOOP) \
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inline static void \
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_blend_##format_name (const guint8 * src, guint8 * dest, \
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gint src_stride, gint dest_stride, gint src_width, gint src_height, \
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gdouble src_alpha) \
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{ \
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gint i; \
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gint b_alpha; \
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\
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/* If it's completely transparent... we just return */ \
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if (G_UNLIKELY (src_alpha == 0.0)) { \
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GST_INFO ("Fast copy (alpha == 0.0)"); \
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return; \
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} \
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\
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/* If it's completely opaque, we do a fast copy */ \
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if (G_UNLIKELY (src_alpha == 1.0)) { \
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GST_INFO ("Fast copy (alpha == 1.0)"); \
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for (i = 0; i < src_height; i++) { \
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MEMCPY (dest, src, src_width); \
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src += src_stride; \
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dest += dest_stride; \
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} \
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return; \
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} \
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\
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b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
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\
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BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, src_width, src_height); \
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} \
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\
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static void \
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blend_##format_name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
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gdouble src_alpha, GstVideoFrame * destframe) \
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{ \
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const guint8 *b_src; \
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guint8 *b_dest; \
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gint b_src_width; \
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gint b_src_height; \
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gint xoffset = 0; \
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gint yoffset = 0; \
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gint src_comp_rowstride, dest_comp_rowstride; \
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gint src_comp_height; \
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gint src_comp_width; \
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gint comp_ypos, comp_xpos; \
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gint comp_yoffset, comp_xoffset; \
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gint dest_width, dest_height; \
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const GstVideoFormatInfo *info; \
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gint src_width, src_height; \
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\
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src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
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src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
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\
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info = srcframe->info.finfo; \
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dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
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dest_height = GST_VIDEO_FRAME_WIDTH (destframe); \
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\
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xpos = x_round (xpos); \
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ypos = y_round (ypos); \
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\
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b_src_width = src_width; \
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b_src_height = src_height; \
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\
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/* adjust src pointers for negative sizes */ \
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if (xpos < 0) { \
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xoffset = -xpos; \
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b_src_width -= -xpos; \
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xpos = 0; \
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} \
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if (ypos < 0) { \
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yoffset += -ypos; \
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b_src_height -= -ypos; \
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ypos = 0; \
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} \
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/* If x or y offset are larger then the source it's outside of the picture */ \
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if (xoffset > src_width || yoffset > src_width) { \
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return; \
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} \
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\
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/* adjust width/height if the src is bigger than dest */ \
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if (xpos + src_width > dest_width) { \
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b_src_width = dest_width - xpos; \
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} \
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if (ypos + src_height > dest_height) { \
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b_src_height = dest_height - ypos; \
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} \
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if (b_src_width < 0 || b_src_height < 0) { \
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return; \
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} \
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\
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/* First mix Y, then U, then V */ \
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b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 0); \
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b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 0); \
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src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
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dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
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src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 0, b_src_width); \
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src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 0, b_src_height); \
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comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xpos); \
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comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, ypos); \
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comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xoffset); \
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comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, yoffset); \
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_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
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b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
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src_comp_rowstride, \
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dest_comp_rowstride, src_comp_width, src_comp_height, \
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src_alpha); \
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\
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b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 1); \
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b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 1); \
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src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 1); \
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dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 1); \
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src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 1, b_src_width); \
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src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 1, b_src_height); \
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comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xpos); \
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comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, ypos); \
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comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xoffset); \
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comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, yoffset); \
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_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
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b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
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src_comp_rowstride, \
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dest_comp_rowstride, src_comp_width, src_comp_height, \
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src_alpha); \
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\
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b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 2); \
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b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 2); \
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src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 2); \
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dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 2); \
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src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 2, b_src_width); \
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src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 2, b_src_height); \
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comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xpos); \
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comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, ypos); \
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comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xoffset); \
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comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, yoffset); \
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_blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
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b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
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src_comp_rowstride, \
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dest_comp_rowstride, src_comp_width, src_comp_height, \
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src_alpha); \
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}
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#define PLANAR_YUV_FILL_CHECKER(format_name, format_enum, MEMSET) \
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static void \
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fill_checker_##format_name (GstVideoFrame * frame) \
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{ \
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gint i, j; \
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static const int tab[] = { 80, 160, 80, 160 }; \
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guint8 *p; \
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gint comp_width, comp_height; \
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gint rowstride; \
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\
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p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
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comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
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comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
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rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
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\
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for (i = 0; i < comp_height; i++) { \
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for (j = 0; j < comp_width; j++) { \
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*p++ = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
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} \
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p += rowstride - comp_width; \
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} \
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\
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p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
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comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
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comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
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rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
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\
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for (i = 0; i < comp_height; i++) { \
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MEMSET (p, 0x80, comp_width); \
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p += rowstride; \
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} \
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\
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p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
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comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
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comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
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rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
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\
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for (i = 0; i < comp_height; i++) { \
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MEMSET (p, 0x80, comp_width); \
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p += rowstride; \
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} \
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}
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#define PLANAR_YUV_FILL_COLOR(format_name,format_enum,MEMSET) \
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static void \
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fill_color_##format_name (GstVideoFrame * frame, \
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gint colY, gint colU, gint colV) \
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{ \
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guint8 *p; \
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gint comp_width, comp_height; \
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gint rowstride; \
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gint i; \
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\
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p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
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comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
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comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
|
|
rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
|
|
\
|
|
for (i = 0; i < comp_height; i++) { \
|
|
MEMSET (p, colY, comp_width); \
|
|
p += rowstride; \
|
|
} \
|
|
\
|
|
p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
|
|
comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
|
|
comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
|
|
rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
|
|
\
|
|
for (i = 0; i < comp_height; i++) { \
|
|
MEMSET (p, colU, comp_width); \
|
|
p += rowstride; \
|
|
} \
|
|
\
|
|
p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
|
|
comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
|
|
comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
|
|
rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
|
|
\
|
|
for (i = 0; i < comp_height; i++) { \
|
|
MEMSET (p, colV, comp_width); \
|
|
p += rowstride; \
|
|
} \
|
|
}
|
|
|
|
#define GST_ROUND_UP_1(x) (x)
|
|
|
|
PLANAR_YUV_BLEND (i420, GST_VIDEO_FORMAT_I420, GST_ROUND_UP_2,
|
|
GST_ROUND_UP_2, memcpy, video_mixer_orc_blend_u8);
|
|
PLANAR_YUV_FILL_CHECKER (i420, GST_VIDEO_FORMAT_I420, memset);
|
|
PLANAR_YUV_FILL_COLOR (i420, GST_VIDEO_FORMAT_I420, memset);
|
|
PLANAR_YUV_FILL_COLOR (yv12, GST_VIDEO_FORMAT_YV12, memset);
|
|
PLANAR_YUV_BLEND (y444, GST_VIDEO_FORMAT_Y444, GST_ROUND_UP_1,
|
|
GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
|
|
PLANAR_YUV_FILL_CHECKER (y444, GST_VIDEO_FORMAT_Y444, memset);
|
|
PLANAR_YUV_FILL_COLOR (y444, GST_VIDEO_FORMAT_Y444, memset);
|
|
PLANAR_YUV_BLEND (y42b, GST_VIDEO_FORMAT_Y42B, GST_ROUND_UP_2,
|
|
GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
|
|
PLANAR_YUV_FILL_CHECKER (y42b, GST_VIDEO_FORMAT_Y42B, memset);
|
|
PLANAR_YUV_FILL_COLOR (y42b, GST_VIDEO_FORMAT_Y42B, memset);
|
|
PLANAR_YUV_BLEND (y41b, GST_VIDEO_FORMAT_Y41B, GST_ROUND_UP_4,
|
|
GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
|
|
PLANAR_YUV_FILL_CHECKER (y41b, GST_VIDEO_FORMAT_Y41B, memset);
|
|
PLANAR_YUV_FILL_COLOR (y41b, GST_VIDEO_FORMAT_Y41B, memset);
|
|
|
|
/* RGB, BGR, xRGB, xBGR, RGBx, BGRx */
|
|
|
|
#define RGB_BLEND(name, bpp, MEMCPY, BLENDLOOP) \
|
|
static void \
|
|
blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
|
|
gdouble src_alpha, GstVideoFrame * destframe) \
|
|
{ \
|
|
gint b_alpha; \
|
|
gint i; \
|
|
gint src_stride, dest_stride; \
|
|
gint dest_width, dest_height; \
|
|
guint8 *dest, *src; \
|
|
gint src_width, src_height; \
|
|
\
|
|
src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
|
|
src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
|
|
\
|
|
src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
|
|
dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
|
|
\
|
|
dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
|
|
dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
|
|
\
|
|
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
|
|
\
|
|
b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
|
|
\
|
|
/* adjust src pointers for negative sizes */ \
|
|
if (xpos < 0) { \
|
|
src += -xpos * bpp; \
|
|
src_width -= -xpos; \
|
|
xpos = 0; \
|
|
} \
|
|
if (ypos < 0) { \
|
|
src += -ypos * src_stride; \
|
|
src_height -= -ypos; \
|
|
ypos = 0; \
|
|
} \
|
|
/* adjust width/height if the src is bigger than dest */ \
|
|
if (xpos + src_width > dest_width) { \
|
|
src_width = dest_width - xpos; \
|
|
} \
|
|
if (ypos + src_height > dest_height) { \
|
|
src_height = dest_height - ypos; \
|
|
} \
|
|
\
|
|
dest = dest + bpp * xpos + (ypos * dest_stride); \
|
|
/* If it's completely transparent... we just return */ \
|
|
if (G_UNLIKELY (src_alpha == 0.0)) { \
|
|
GST_INFO ("Fast copy (alpha == 0.0)"); \
|
|
return; \
|
|
} \
|
|
\
|
|
/* If it's completely opaque, we do a fast copy */ \
|
|
if (G_UNLIKELY (src_alpha == 1.0)) { \
|
|
GST_INFO ("Fast copy (alpha == 1.0)"); \
|
|
for (i = 0; i < src_height; i++) { \
|
|
MEMCPY (dest, src, bpp * src_width); \
|
|
src += src_stride; \
|
|
dest += dest_stride; \
|
|
} \
|
|
return; \
|
|
} \
|
|
\
|
|
BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, src_width * bpp, src_height); \
|
|
}
|
|
|
|
#define RGB_FILL_CHECKER_C(name, bpp, r, g, b) \
|
|
static void \
|
|
fill_checker_##name##_c (GstVideoFrame * frame) \
|
|
{ \
|
|
gint i, j; \
|
|
static const int tab[] = { 80, 160, 80, 160 }; \
|
|
gint stride, dest_add, width, height; \
|
|
guint8 *dest; \
|
|
\
|
|
width = GST_VIDEO_FRAME_WIDTH (frame); \
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame); \
|
|
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
|
|
stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
|
|
dest_add = stride - width * bpp; \
|
|
\
|
|
for (i = 0; i < height; i++) { \
|
|
for (j = 0; j < width; j++) { \
|
|
dest[r] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* red */ \
|
|
dest[g] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* green */ \
|
|
dest[b] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* blue */ \
|
|
dest += bpp; \
|
|
} \
|
|
dest += dest_add; \
|
|
} \
|
|
}
|
|
|
|
#define RGB_FILL_COLOR(name, bpp, MEMSET_RGB) \
|
|
static void \
|
|
fill_color_##name (GstVideoFrame * frame, \
|
|
gint colY, gint colU, gint colV) \
|
|
{ \
|
|
gint red, green, blue; \
|
|
gint i; \
|
|
gint dest_stride; \
|
|
gint width, height; \
|
|
guint8 *dest; \
|
|
\
|
|
width = GST_VIDEO_FRAME_WIDTH (frame); \
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame); \
|
|
dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
|
|
\
|
|
red = YUV_TO_R (colY, colU, colV); \
|
|
green = YUV_TO_G (colY, colU, colV); \
|
|
blue = YUV_TO_B (colY, colU, colV); \
|
|
\
|
|
for (i = 0; i < height; i++) { \
|
|
MEMSET_RGB (dest, red, green, blue, width); \
|
|
dest += dest_stride; \
|
|
} \
|
|
}
|
|
|
|
#define MEMSET_RGB_C(name, r, g, b) \
|
|
static inline void \
|
|
_memset_##name##_c (guint8* dest, gint red, gint green, gint blue, gint width) { \
|
|
gint j; \
|
|
\
|
|
for (j = 0; j < width; j++) { \
|
|
dest[r] = red; \
|
|
dest[g] = green; \
|
|
dest[b] = blue; \
|
|
dest += 3; \
|
|
} \
|
|
}
|
|
|
|
#define MEMSET_XRGB(name, r, g, b) \
|
|
static inline void \
|
|
_memset_##name (guint8* dest, gint red, gint green, gint blue, gint width) { \
|
|
guint32 val; \
|
|
\
|
|
val = GUINT32_FROM_BE ((red << r) | (green << g) | (blue << b)); \
|
|
video_mixer_orc_splat_u32 ((guint32 *) dest, val, width); \
|
|
}
|
|
|
|
#define _orc_memcpy_u32(dest,src,len) video_mixer_orc_memcpy_u32((guint32 *) dest, (const guint32 *) src, len/4)
|
|
|
|
RGB_BLEND (rgb, 3, memcpy, video_mixer_orc_blend_u8);
|
|
RGB_FILL_CHECKER_C (rgb, 3, 0, 1, 2);
|
|
MEMSET_RGB_C (rgb, 0, 1, 2);
|
|
RGB_FILL_COLOR (rgb_c, 3, _memset_rgb_c);
|
|
|
|
MEMSET_RGB_C (bgr, 2, 1, 0);
|
|
RGB_FILL_COLOR (bgr_c, 3, _memset_bgr_c);
|
|
|
|
RGB_BLEND (xrgb, 4, _orc_memcpy_u32, video_mixer_orc_blend_u8);
|
|
RGB_FILL_CHECKER_C (xrgb, 4, 1, 2, 3);
|
|
MEMSET_XRGB (xrgb, 24, 16, 0);
|
|
RGB_FILL_COLOR (xrgb, 4, _memset_xrgb);
|
|
|
|
MEMSET_XRGB (xbgr, 0, 16, 24);
|
|
RGB_FILL_COLOR (xbgr, 4, _memset_xbgr);
|
|
|
|
MEMSET_XRGB (rgbx, 24, 16, 8);
|
|
RGB_FILL_COLOR (rgbx, 4, _memset_rgbx);
|
|
|
|
MEMSET_XRGB (bgrx, 8, 16, 24);
|
|
RGB_FILL_COLOR (bgrx, 4, _memset_bgrx);
|
|
|
|
/* YUY2, YVYU, UYVY */
|
|
|
|
#define PACKED_422_BLEND(name, MEMCPY, BLENDLOOP) \
|
|
static void \
|
|
blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
|
|
gdouble src_alpha, GstVideoFrame * destframe) \
|
|
{ \
|
|
gint b_alpha; \
|
|
gint i; \
|
|
gint src_stride, dest_stride; \
|
|
gint dest_width, dest_height; \
|
|
guint8 *src, *dest; \
|
|
gint src_width, src_height; \
|
|
\
|
|
src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
|
|
src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
|
|
\
|
|
dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
|
|
dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
|
|
\
|
|
src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
|
|
dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
|
|
\
|
|
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
|
|
\
|
|
b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
|
|
\
|
|
xpos = GST_ROUND_UP_2 (xpos); \
|
|
\
|
|
/* adjust src pointers for negative sizes */ \
|
|
if (xpos < 0) { \
|
|
src += -xpos * 2; \
|
|
src_width -= -xpos; \
|
|
xpos = 0; \
|
|
} \
|
|
if (ypos < 0) { \
|
|
src += -ypos * src_stride; \
|
|
src_height -= -ypos; \
|
|
ypos = 0; \
|
|
} \
|
|
\
|
|
/* adjust width/height if the src is bigger than dest */ \
|
|
if (xpos + src_width > dest_width) { \
|
|
src_width = dest_width - xpos; \
|
|
} \
|
|
if (ypos + src_height > dest_height) { \
|
|
src_height = dest_height - ypos; \
|
|
} \
|
|
\
|
|
dest = dest + 2 * xpos + (ypos * dest_stride); \
|
|
/* If it's completely transparent... we just return */ \
|
|
if (G_UNLIKELY (src_alpha == 0.0)) { \
|
|
GST_INFO ("Fast copy (alpha == 0.0)"); \
|
|
return; \
|
|
} \
|
|
\
|
|
/* If it's completely opaque, we do a fast copy */ \
|
|
if (G_UNLIKELY (src_alpha == 1.0)) { \
|
|
GST_INFO ("Fast copy (alpha == 1.0)"); \
|
|
for (i = 0; i < src_height; i++) { \
|
|
MEMCPY (dest, src, 2 * src_width); \
|
|
src += src_stride; \
|
|
dest += dest_stride; \
|
|
} \
|
|
return; \
|
|
} \
|
|
\
|
|
BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, 2 * src_width, src_height); \
|
|
}
|
|
|
|
#define PACKED_422_FILL_CHECKER_C(name, Y1, U, Y2, V) \
|
|
static void \
|
|
fill_checker_##name##_c (GstVideoFrame * frame) \
|
|
{ \
|
|
gint i, j; \
|
|
static const int tab[] = { 80, 160, 80, 160 }; \
|
|
gint dest_add; \
|
|
gint width, height; \
|
|
guint8 *dest; \
|
|
\
|
|
width = GST_VIDEO_FRAME_WIDTH (frame); \
|
|
width = GST_ROUND_UP_2 (width); \
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame); \
|
|
dest = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
|
|
dest_add = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0) - width * 2; \
|
|
width /= 2; \
|
|
\
|
|
for (i = 0; i < height; i++) { \
|
|
for (j = 0; j < width; j++) { \
|
|
dest[Y1] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
|
|
dest[Y2] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
|
|
dest[U] = 128; \
|
|
dest[V] = 128; \
|
|
dest += 4; \
|
|
} \
|
|
dest += dest_add; \
|
|
} \
|
|
}
|
|
|
|
#define PACKED_422_FILL_COLOR(name, Y1, U, Y2, V) \
|
|
static void \
|
|
fill_color_##name (GstVideoFrame * frame, \
|
|
gint colY, gint colU, gint colV) \
|
|
{ \
|
|
gint i; \
|
|
gint dest_stride; \
|
|
guint32 val; \
|
|
gint width, height; \
|
|
guint8 *dest; \
|
|
\
|
|
width = GST_VIDEO_FRAME_WIDTH (frame); \
|
|
width = GST_ROUND_UP_2 (width); \
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame); \
|
|
dest = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
|
|
dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
|
|
width /= 2; \
|
|
\
|
|
val = GUINT32_FROM_BE ((colY << Y1) | (colY << Y2) | (colU << U) | (colV << V)); \
|
|
\
|
|
for (i = 0; i < height; i++) { \
|
|
video_mixer_orc_splat_u32 ((guint32 *) dest, val, width); \
|
|
dest += dest_stride; \
|
|
} \
|
|
}
|
|
|
|
PACKED_422_BLEND (yuy2, memcpy, video_mixer_orc_blend_u8);
|
|
PACKED_422_FILL_CHECKER_C (yuy2, 0, 1, 2, 3);
|
|
PACKED_422_FILL_CHECKER_C (uyvy, 1, 0, 3, 2);
|
|
PACKED_422_FILL_COLOR (yuy2, 24, 16, 8, 0);
|
|
PACKED_422_FILL_COLOR (yvyu, 24, 0, 8, 16);
|
|
PACKED_422_FILL_COLOR (uyvy, 16, 24, 0, 8);
|
|
|
|
/* Init function */
|
|
BlendFunction gst_video_mixer_blend_argb;
|
|
BlendFunction gst_video_mixer_blend_bgra;
|
|
BlendFunction gst_video_mixer_overlay_argb;
|
|
BlendFunction gst_video_mixer_overlay_bgra;
|
|
/* AYUV/ABGR is equal to ARGB, RGBA is equal to BGRA */
|
|
BlendFunction gst_video_mixer_blend_y444;
|
|
BlendFunction gst_video_mixer_blend_y42b;
|
|
BlendFunction gst_video_mixer_blend_i420;
|
|
/* I420 is equal to YV12 */
|
|
BlendFunction gst_video_mixer_blend_y41b;
|
|
BlendFunction gst_video_mixer_blend_rgb;
|
|
/* BGR is equal to RGB */
|
|
BlendFunction gst_video_mixer_blend_rgbx;
|
|
/* BGRx, xRGB, xBGR are equal to RGBx */
|
|
BlendFunction gst_video_mixer_blend_yuy2;
|
|
/* YVYU and UYVY are equal to YUY2 */
|
|
|
|
FillCheckerFunction gst_video_mixer_fill_checker_argb;
|
|
FillCheckerFunction gst_video_mixer_fill_checker_bgra;
|
|
/* ABGR is equal to ARGB, RGBA is equal to BGRA */
|
|
FillCheckerFunction gst_video_mixer_fill_checker_ayuv;
|
|
FillCheckerFunction gst_video_mixer_fill_checker_y444;
|
|
FillCheckerFunction gst_video_mixer_fill_checker_y42b;
|
|
FillCheckerFunction gst_video_mixer_fill_checker_i420;
|
|
/* I420 is equal to YV12 */
|
|
FillCheckerFunction gst_video_mixer_fill_checker_y41b;
|
|
FillCheckerFunction gst_video_mixer_fill_checker_rgb;
|
|
/* BGR is equal to RGB */
|
|
FillCheckerFunction gst_video_mixer_fill_checker_xrgb;
|
|
/* BGRx, xRGB, xBGR are equal to RGBx */
|
|
FillCheckerFunction gst_video_mixer_fill_checker_yuy2;
|
|
/* YVYU is equal to YUY2 */
|
|
FillCheckerFunction gst_video_mixer_fill_checker_uyvy;
|
|
|
|
FillColorFunction gst_video_mixer_fill_color_argb;
|
|
FillColorFunction gst_video_mixer_fill_color_bgra;
|
|
FillColorFunction gst_video_mixer_fill_color_abgr;
|
|
FillColorFunction gst_video_mixer_fill_color_rgba;
|
|
FillColorFunction gst_video_mixer_fill_color_ayuv;
|
|
FillColorFunction gst_video_mixer_fill_color_y444;
|
|
FillColorFunction gst_video_mixer_fill_color_y42b;
|
|
FillColorFunction gst_video_mixer_fill_color_i420;
|
|
FillColorFunction gst_video_mixer_fill_color_yv12;
|
|
FillColorFunction gst_video_mixer_fill_color_y41b;
|
|
FillColorFunction gst_video_mixer_fill_color_rgb;
|
|
FillColorFunction gst_video_mixer_fill_color_bgr;
|
|
FillColorFunction gst_video_mixer_fill_color_xrgb;
|
|
FillColorFunction gst_video_mixer_fill_color_xbgr;
|
|
FillColorFunction gst_video_mixer_fill_color_rgbx;
|
|
FillColorFunction gst_video_mixer_fill_color_bgrx;
|
|
FillColorFunction gst_video_mixer_fill_color_yuy2;
|
|
FillColorFunction gst_video_mixer_fill_color_yvyu;
|
|
FillColorFunction gst_video_mixer_fill_color_uyvy;
|
|
|
|
void
|
|
gst_video_mixer_init_blend (void)
|
|
{
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GST_DEBUG_CATEGORY_INIT (gst_videomixer_blend_debug, "videomixer_blend", 0,
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"video mixer blending functions");
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gst_video_mixer_blend_argb = blend_argb;
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gst_video_mixer_blend_bgra = blend_bgra;
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gst_video_mixer_overlay_argb = overlay_argb;
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gst_video_mixer_overlay_bgra = overlay_bgra;
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gst_video_mixer_blend_i420 = blend_i420;
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gst_video_mixer_blend_y444 = blend_y444;
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gst_video_mixer_blend_y42b = blend_y42b;
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gst_video_mixer_blend_y41b = blend_y41b;
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gst_video_mixer_blend_rgb = blend_rgb;
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gst_video_mixer_blend_xrgb = blend_xrgb;
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gst_video_mixer_blend_yuy2 = blend_yuy2;
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gst_video_mixer_fill_checker_argb = fill_checker_argb_c;
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gst_video_mixer_fill_checker_bgra = fill_checker_bgra_c;
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gst_video_mixer_fill_checker_ayuv = fill_checker_ayuv_c;
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gst_video_mixer_fill_checker_i420 = fill_checker_i420;
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gst_video_mixer_fill_checker_y444 = fill_checker_y444;
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gst_video_mixer_fill_checker_y42b = fill_checker_y42b;
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gst_video_mixer_fill_checker_y41b = fill_checker_y41b;
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gst_video_mixer_fill_checker_rgb = fill_checker_rgb_c;
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gst_video_mixer_fill_checker_xrgb = fill_checker_xrgb_c;
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gst_video_mixer_fill_checker_yuy2 = fill_checker_yuy2_c;
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gst_video_mixer_fill_checker_uyvy = fill_checker_uyvy_c;
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gst_video_mixer_fill_color_argb = fill_color_argb;
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gst_video_mixer_fill_color_bgra = fill_color_bgra;
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gst_video_mixer_fill_color_abgr = fill_color_abgr;
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gst_video_mixer_fill_color_rgba = fill_color_rgba;
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gst_video_mixer_fill_color_ayuv = fill_color_ayuv;
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gst_video_mixer_fill_color_i420 = fill_color_i420;
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gst_video_mixer_fill_color_yv12 = fill_color_yv12;
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gst_video_mixer_fill_color_y444 = fill_color_y444;
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gst_video_mixer_fill_color_y42b = fill_color_y42b;
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gst_video_mixer_fill_color_y41b = fill_color_y41b;
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gst_video_mixer_fill_color_rgb = fill_color_rgb_c;
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gst_video_mixer_fill_color_bgr = fill_color_bgr_c;
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gst_video_mixer_fill_color_xrgb = fill_color_xrgb;
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gst_video_mixer_fill_color_xbgr = fill_color_xbgr;
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gst_video_mixer_fill_color_rgbx = fill_color_rgbx;
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gst_video_mixer_fill_color_bgrx = fill_color_bgrx;
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gst_video_mixer_fill_color_yuy2 = fill_color_yuy2;
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gst_video_mixer_fill_color_yvyu = fill_color_yvyu;
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gst_video_mixer_fill_color_uyvy = fill_color_uyvy;
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}
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