[patch] patch for the missing simple_neon.h

vlc-3.0.2-add-missing-neon-h.patch (text/plain), 3.23 KB, created by tt_1 on 2018-05-18 06:58:35 UTC

diff --git a/modules/audio_filter/channel_mixer/simple_neon.h b/modules/audio_filter/channel_mixer/simple_neon.h
new file mode 100644
index 0000000..2fe6075
--- /dev/null
+++ b/modules/audio_filter/channel_mixer/simple_neon.h
@@ -0,0 +1,72 @@
+/*****************************************************************************
+ * simple_neon.h : simple channel mixer plug-in using NEON assembly
+ *****************************************************************************
+ * Copyright (C) 2002, 2004, 2006-2009, 2012, 2015 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <[e-mail]>
+ *          David Geldreich <[e-mail]>
+ *          Sébastien Toque
+ *          Thomas Guillem <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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_cpu.h>
+
+/* Only conversion to Mono, Stereo and 4.0 right now */
+/* Only from 7/7.1/5/5.1/3/3.1/2.0
+ * XXX 5.X rear and middle are handled the same way */
+
+#define NEON_WRAPPER(in, out)                                                    \
+    void convert_##in##_to_##out##_neon_asm(float *dst, const float *src, int num, bool lfeChannel); \
+    static inline void DoWork_##in##_to_##out##_neon( filter_t *p_filter, block_t *p_in_buf, block_t *p_out_buf )  \
+    {                                                                            \
+        const float *p_src = (const float *)p_in_buf->p_buffer;                  \
+        float *p_dest = (float *)p_out_buf->p_buffer;                            \
+        convert_##in##_to_##out##_neon_asm( p_dest, p_src, p_in_buf->i_nb_samples, \
+                  p_filter->fmt_in.audio.i_physical_channels & AOUT_CHAN_LFE );  \
+    } \
+    static inline void (*GET_WORK_##in##_to_##out##_neon())(filter_t*, block_t*, block_t*) \
+    { \
+        return vlc_CPU_ARM_NEON() ? DoWork_##in##_to_##out##_neon : DoWork_##in##_to_##out; \
+    }
+
+NEON_WRAPPER(7_x,2_0)
+NEON_WRAPPER(5_x,2_0)
+NEON_WRAPPER(4_0,2_0)
+NEON_WRAPPER(3_x,2_0)
+NEON_WRAPPER(7_x,1_0)
+NEON_WRAPPER(5_x,1_0)
+NEON_WRAPPER(7_x,4_0)
+NEON_WRAPPER(5_x,4_0)
+
+/* TODO: the following conversions are not handled in NEON */
+
+#define C_WRAPPER(in, out) \
+    static inline void (*GET_WORK_##in##_to_##out##_neon())(filter_t*, block_t*, block_t*) \
+    { \
+        return DoWork_##in##_to_##out; \
+    }
+
+C_WRAPPER(4_0,1_0)
+C_WRAPPER(3_x,1_0)
+C_WRAPPER(2_x,1_0)
+C_WRAPPER(6_1,2_0)
+C_WRAPPER(7_x,5_x)
+C_WRAPPER(6_1,5_x)