dsputil: Split off quarterpel bits into their own context

1 files changed, 78 insertions, 0 deletions

diff --git a/libavcodec/qpeldsp.h b/libavcodec/qpeldsp.h
new file mode 100644
index 0000000000..a750ff836f
--- /dev/null
+++ b/libavcodec/qpeldsp.h
@@ -0,0 +1,78 @@
+/*
+ * quarterpel DSP functions
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * quarterpel DSP functions
+ */
+
+#ifndef AVCODEC_QPELDSP_H
+#define AVCODEC_QPELDSP_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
+void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
+void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
+void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
+
+void ff_put_pixels8_l2_8(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
+                         int dst_stride, int src_stride1, int src_stride2,
+                         int h);
+
+#define DEF_OLD_QPEL(name)                                                     \
+    void ff_put_        ## name(uint8_t *dst /* align width (8 or 16) */,      \
+                                uint8_t *src /* align 1 */, ptrdiff_t stride); \
+    void ff_put_no_rnd_ ## name(uint8_t *dst /* align width (8 or 16) */,      \
+                                uint8_t *src /* align 1 */, ptrdiff_t stride); \
+    void ff_avg_        ## name(uint8_t *dst /* align width (8 or 16) */,      \
+                                uint8_t *src /* align 1 */, ptrdiff_t stride);
+
+DEF_OLD_QPEL(qpel16_mc11_old_c)
+DEF_OLD_QPEL(qpel16_mc31_old_c)
+DEF_OLD_QPEL(qpel16_mc12_old_c)
+DEF_OLD_QPEL(qpel16_mc32_old_c)
+DEF_OLD_QPEL(qpel16_mc13_old_c)
+DEF_OLD_QPEL(qpel16_mc33_old_c)
+DEF_OLD_QPEL(qpel8_mc11_old_c)
+DEF_OLD_QPEL(qpel8_mc31_old_c)
+DEF_OLD_QPEL(qpel8_mc12_old_c)
+DEF_OLD_QPEL(qpel8_mc32_old_c)
+DEF_OLD_QPEL(qpel8_mc13_old_c)
+DEF_OLD_QPEL(qpel8_mc33_old_c)
+
+typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
+                             uint8_t *src /* align 1 */, ptrdiff_t stride);
+
+/**
+ * quarterpel DSP context
+ */
+typedef struct QpelDSPContext {
+    qpel_mc_func put_qpel_pixels_tab[2][16];
+    qpel_mc_func avg_qpel_pixels_tab[2][16];
+    qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
+} QpelDSPContext;
+
+void ff_qpeldsp_init(QpelDSPContext *c);
+
+void ff_qpeldsp_init_x86(QpelDSPContext *c);
+
+#endif /* AVCODEC_QPELDSP_H */