dsputil: Split clear_block*/fill_block* off into a separate context

1 files changed, 78 insertions, 0 deletions

diff --git a/libavcodec/blockdsp.c b/libavcodec/blockdsp.c
new file mode 100644
index 0000000000..e3d2ca1fdc
--- /dev/null
+++ b/libavcodec/blockdsp.c
@@ -0,0 +1,78 @@
+/*
+ * 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
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "avcodec.h"
+#include "blockdsp.h"
+#include "version.h"
+
+static void clear_block_8_c(int16_t *block)
+{
+    memset(block, 0, sizeof(int16_t) * 64);
+}
+
+static void clear_blocks_8_c(int16_t *blocks)
+{
+    memset(blocks, 0, sizeof(int16_t) * 6 * 64);
+}
+
+static void fill_block16_c(uint8_t *block, uint8_t value, int line_size, int h)
+{
+    int i;
+
+    for (i = 0; i < h; i++) {
+        memset(block, value, 16);
+        block += line_size;
+    }
+}
+
+static void fill_block8_c(uint8_t *block, uint8_t value, int line_size, int h)
+{
+    int i;
+
+    for (i = 0; i < h; i++) {
+        memset(block, value, 8);
+        block += line_size;
+    }
+}
+
+av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
+{
+    const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    c->clear_block  = clear_block_8_c;
+    c->clear_blocks = clear_blocks_8_c;
+
+    c->fill_block_tab[0] = fill_block16_c;
+    c->fill_block_tab[1] = fill_block8_c;
+
+    if (ARCH_ARM)
+        ff_blockdsp_init_arm(c, high_bit_depth);
+    if (ARCH_PPC)
+        ff_blockdsp_init_ppc(c, high_bit_depth);
+    if (ARCH_X86)
+#if FF_API_XVMC
+        ff_blockdsp_init_x86(c, high_bit_depth, avctx);
+#else
+        ff_blockdsp_init_x86(c, high_bit_depth);
+#endif /* FF_API_XVMC */
+}