avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for idctdsp functions

This patch adds MSA (MIPS-SIMD-Arch) optimizations for idctdsp functions in new file idctdsp_msa.c and simple_idct_msa.c

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 49 insertions, 0 deletions

diff --git a/libavcodec/mips/idctdsp_init_mips.c b/libavcodec/mips/idctdsp_init_mips.c
new file mode 100644
index 0000000..c964340
--- /dev/null
+++ b/libavcodec/mips/idctdsp_init_mips.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
+ *
+ * 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 "idctdsp_mips.h"
+
+#if HAVE_MSA
+static av_cold void idctdsp_init_msa(IDCTDSPContext *c, AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+    if ((avctx->lowres != 1) && (avctx->lowres != 2) && (avctx->lowres != 3) &&
+        (avctx->bits_per_raw_sample != 10) &&
+        (avctx->bits_per_raw_sample != 12) &&
+        (avctx->idct_algo == FF_IDCT_AUTO)) {
+                c->idct_put = ff_simple_idct_put_msa;
+                c->idct_add = ff_simple_idct_add_msa;
+                c->idct = ff_simple_idct_msa;
+                c->perm_type = FF_IDCT_PERM_NONE;
+    }
+
+    c->put_pixels_clamped = ff_put_pixels_clamped_msa;
+    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_msa;
+    c->add_pixels_clamped = ff_add_pixels_clamped_msa;
+}
+#endif  // #if HAVE_MSA
+
+void ff_idctdsp_init_mips(IDCTDSPContext *c, AVCodecContext *avctx,
+                          unsigned high_bit_depth)
+{
+#if HAVE_MSA
+    idctdsp_init_msa(c, avctx, high_bit_depth);
+#endif  // #if HAVE_MSA
+}