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, 42 insertions, 0 deletions

diff --git a/libavcodec/mips/idctdsp_mips.h b/libavcodec/mips/idctdsp_mips.h
new file mode 100644
index 0000000000..191652e62b
--- /dev/null
+++ b/libavcodec/mips/idctdsp_mips.h
@@ -0,0 +1,42 @@
+/*
+ * 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
+ */
+
+#ifndef AVCODEC_MIPS_IDCTDSP_MIPS_H
+#define AVCODEC_MIPS_IDCTDSP_MIPS_H
+
+#include "../mpegvideo.h"
+
+void ff_put_pixels_clamped_msa(const int16_t *block,
+                               uint8_t *av_restrict pixels,
+                               ptrdiff_t line_size);
+void ff_put_signed_pixels_clamped_msa(const int16_t *block,
+                                      uint8_t *av_restrict pixels,
+                                      ptrdiff_t line_size);
+void ff_add_pixels_clamped_msa(const int16_t *block,
+                               uint8_t *av_restrict pixels,
+                               ptrdiff_t line_size);
+void ff_j_rev_dct_msa(int16_t *data);
+void ff_jref_idct_put_msa(uint8_t *dest, int32_t stride, int16_t *block);
+void ff_jref_idct_add_msa(uint8_t *dest, int32_t stride, int16_t *block);
+void ff_simple_idct_msa(int16_t *block);
+void ff_simple_idct_put_msa(uint8_t *dest, int32_t stride_dst, int16_t *block);
+void ff_simple_idct_add_msa(uint8_t *dest, int32_t stride_dst, int16_t *block);
+
+#endif  // #ifndef AVCODEC_MIPS_IDCTDSP_MIPS_H