Move ARM NEON optimizations to arm_neon/

[vlc] / modules / arm_neon / i420_yuy2.c

diff --git a/modules/arm_neon/i420_yuy2.c b/modules/arm_neon/i420_yuy2.c
new file mode 100644 (file)
index 0000000..ae5d60b
--- /dev/null
+++ b/modules/arm_neon/i420_yuy2.c
@@ -0,0 +1,98 @@
+/*****************************************************************************
+ * i420_yuy2.c : ARM NEONv1 YUV 4:2:0 to YUV :2:2 chroma conversion for VLC
+ *****************************************************************************
+ * Copyright (C) 2009 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
+#include <vlc_cpu.h>
+
+static int Open (vlc_object_t *);
+
+vlc_module_begin ()
+    set_description (N_("ARM NEON video chroma conversions"))
+    set_capability ("video filter2", 250)
+    set_callbacks (Open, NULL)
+    add_requirement (NEON)
+vlc_module_end ()
+
+void i420_yuyv_neon (uint8_t *out, const uint8_t **in,
+                     uintptr_t pitch, uintptr_t height);
+
+static void I420_YUYV (filter_t *filter, picture_t *src, picture_t *dst)
+{
+    uint8_t *out = dst->p->p_pixels;
+    const uint8_t *yuv[3] = { src->Y_PIXELS, src->U_PIXELS, src->V_PIXELS, };
+    size_t pitch = (filter->fmt_in.video.i_width + 15) & ~15;
+    size_t height = filter->fmt_in.video.i_height;
+
+    i420_yuyv_neon (out, yuv, pitch, height);
+}
+
+void i420_uyvy_neon (uint8_t *out, const uint8_t **in,
+                     uintptr_t pitch, uintptr_t height);
+
+static void I420_UYVY (filter_t *filter, picture_t *src, picture_t *dst)
+{
+    uint8_t *out = dst->p->p_pixels;
+    const uint8_t *yuv[3] = { src->Y_PIXELS, src->U_PIXELS, src->V_PIXELS, };
+    size_t pitch = (filter->fmt_in.video.i_width + 15) & ~15;
+    size_t height = filter->fmt_in.video.i_height;
+
+    i420_yuyv_neon (out, yuv, pitch, height);
+}
+
+VIDEO_FILTER_WRAPPER (I420_YUYV)
+VIDEO_FILTER_WRAPPER (I420_UYVY)
+
+static int Open (vlc_object_t *obj)
+{
+    filter_t *filter = (filter_t *)obj;
+
+    if (((filter->fmt_in.video.i_width | filter->fmt_in.video.i_height) & 1)
+     || (filter->fmt_in.video.i_width != filter->fmt_out.video.i_width)
+     || (filter->fmt_in.video.i_height != filter->fmt_out.video.i_height))
+        return VLC_EGENERIC;
+
+    switch (filter->fmt_in.video.i_chroma)
+    {
+        case VLC_CODEC_YV12:
+        case VLC_CODEC_I420:
+            switch (filter->fmt_out.video.i_chroma)
+            {
+                case VLC_CODEC_YUYV:
+                    filter->pf_video_filter = I420_YUYV_Filter;
+                    break;
+                case VLC_CODEC_UYVY:
+                    filter->pf_video_filter = I420_UYVY_Filter;
+                    break;
+                default:
+                    return VLC_EGENERIC;
+            }
+            break;
+
+        default:
+            return VLC_EGENERIC;
+    }
+    return VLC_SUCCESS;
+}