1 files changed, 51 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/fdctdsp.c b/media/ffvpx/libavcodec/fdctdsp.c
new file mode 100644
index 0000000000..5306c9d047
--- /dev/null
+++ b/media/ffvpx/libavcodec/fdctdsp.c
@@ -0,0 +1,51 @@
+/*
+ * 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 "libavutil/attributes.h"
+#include "avcodec.h"
+#include "dct.h"
+#include "faandct.h"
+#include "fdctdsp.h"
+#include "config.h"
+
+av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
+{
+    av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+    if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {
+        c->fdct    = ff_jpeg_fdct_islow_10;
+        c->fdct248 = ff_fdct248_islow_10;
+    } else if (avctx->dct_algo == FF_DCT_FASTINT) {
+        c->fdct    = ff_fdct_ifast;
+        c->fdct248 = ff_fdct_ifast248;
+#if CONFIG_FAANDCT
+    } else if (avctx->dct_algo == FF_DCT_FAAN) {
+        c->fdct    = ff_faandct;
+        c->fdct248 = ff_faandct248;
+#endif /* CONFIG_FAANDCT */
+    } else {
+        c->fdct    = ff_jpeg_fdct_islow_8; // slow/accurate/default
+        c->fdct248 = ff_fdct248_islow_8;
+    }
+
+#if ARCH_PPC
+    ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
+#elif ARCH_X86
+    ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
+#endif
+}