adding ffmpeg specific version

1 files changed, 64 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/ppc/h264chroma_init.c b/ffmpeg1/libavcodec/ppc/h264chroma_init.c
new file mode 100644
index 0000000..f9e2a76
--- /dev/null
+++ b/ffmpeg1/libavcodec/ppc/h264chroma_init.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "libavcodec/h264chroma.h"
+
+#if HAVE_ALTIVEC
+#include "libavutil/cpu.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/ppc/types_altivec.h"
+#include "libavutil/ppc/util_altivec.h"
+#include "dsputil_altivec.h"
+
+#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
+#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
+
+#define OP_U8_ALTIVEC                          PUT_OP_U8_ALTIVEC
+#define PREFIX_h264_chroma_mc8_altivec         put_h264_chroma_mc8_altivec
+#define PREFIX_h264_chroma_mc8_num             altivec_put_h264_chroma_mc8_num
+#include "h264chroma_template.c"
+#undef OP_U8_ALTIVEC
+#undef PREFIX_h264_chroma_mc8_altivec
+#undef PREFIX_h264_chroma_mc8_num
+
+#define OP_U8_ALTIVEC                          AVG_OP_U8_ALTIVEC
+#define PREFIX_h264_chroma_mc8_altivec         avg_h264_chroma_mc8_altivec
+#define PREFIX_h264_chroma_mc8_num             altivec_avg_h264_chroma_mc8_num
+#include "h264chroma_template.c"
+#undef OP_U8_ALTIVEC
+#undef PREFIX_h264_chroma_mc8_altivec
+#undef PREFIX_h264_chroma_mc8_num
+#endif /* HAVE_ALTIVEC */
+
+av_cold void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth)
+{
+#if HAVE_ALTIVEC
+    const int high_bit_depth = bit_depth > 8;
+
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!high_bit_depth) {
+        c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
+        c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
+    }
+    }
+#endif /* HAVE_ALTIVEC */
+}