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Diffstat (limited to 'media/ffvpx/libavcodec/arm/idctdsp_init_arm.c')
-rw-r--r--media/ffvpx/libavcodec/arm/idctdsp_init_arm.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c
new file mode 100644
index 0000000000..ebc90e4b49
--- /dev/null
+++ b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c
@@ -0,0 +1,94 @@
+/*
+ * ARM-optimized IDCT functions
+ * Copyright (c) 2001 Lionel Ulmer
+ *
+ * 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 <stddef.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/idctdsp.h"
+#include "idct.h"
+#include "idctdsp_arm.h"
+
+void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
+ ptrdiff_t line_size);
+
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+ * converted */
+static void j_rev_dct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+ int16_t *block)
+{
+ ff_j_rev_dct_arm(block);
+ ff_put_pixels_clamped_c(block, dest, line_size);
+}
+
+static void j_rev_dct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+ int16_t *block)
+{
+ ff_j_rev_dct_arm(block);
+ ff_add_pixels_clamped_arm(block, dest, line_size);
+}
+
+static void simple_idct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+ int16_t *block)
+{
+ ff_simple_idct_arm(block);
+ ff_put_pixels_clamped_c(block, dest, line_size);
+}
+
+static void simple_idct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+ int16_t *block)
+{
+ ff_simple_idct_arm(block);
+ ff_add_pixels_clamped_arm(block, dest, line_size);
+}
+
+av_cold void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,
+ unsigned high_bit_depth)
+{
+ int cpu_flags = av_get_cpu_flags();
+
+ if (!avctx->lowres && !high_bit_depth) {
+ if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & AV_CODEC_FLAG_BITEXACT)) ||
+ avctx->idct_algo == FF_IDCT_ARM) {
+ c->idct_put = j_rev_dct_arm_put;
+ c->idct_add = j_rev_dct_arm_add;
+ c->idct = ff_j_rev_dct_arm;
+ c->perm_type = FF_IDCT_PERM_LIBMPEG2;
+ } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM) {
+ c->idct_put = simple_idct_arm_put;
+ c->idct_add = simple_idct_arm_add;
+ c->idct = ff_simple_idct_arm;
+ c->perm_type = FF_IDCT_PERM_NONE;
+ }
+ }
+
+ c->add_pixels_clamped = ff_add_pixels_clamped_arm;
+
+ if (have_armv5te(cpu_flags))
+ ff_idctdsp_init_armv5te(c, avctx, high_bit_depth);
+ if (have_armv6(cpu_flags))
+ ff_idctdsp_init_armv6(c, avctx, high_bit_depth);
+ if (have_neon(cpu_flags))
+ ff_idctdsp_init_neon(c, avctx, high_bit_depth);
+}