summaryrefslogtreecommitdiff
path: root/libavcodec/x86/flacdsp_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/x86/flacdsp_init.c')
-rw-r--r--libavcodec/x86/flacdsp_init.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/libavcodec/x86/flacdsp_init.c b/libavcodec/x86/flacdsp_init.c
new file mode 100644
index 0000000000..a071b3d3b7
--- /dev/null
+++ b/libavcodec/x86/flacdsp_init.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2014 James Almer
+ *
+ * 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 "libavcodec/flacdsp.h"
+#include "libavutil/x86/cpu.h"
+#include "config.h"
+
+void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
+ int qlevel, int len);
+void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
+ int qlevel, int len);
+
+av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt,
+ int bps)
+{
+#if HAVE_YASM
+ int cpu_flags = av_get_cpu_flags();
+
+ if (EXTERNAL_SSE4(cpu_flags)) {
+ if (bps > 16 && CONFIG_FLAC_DECODER)
+ c->lpc = ff_flac_lpc_32_sse4;
+ }
+ if (EXTERNAL_XOP(cpu_flags)) {
+ if (bps > 16 && CONFIG_FLAC_DECODER)
+ c->lpc = ff_flac_lpc_32_xop;
+ }
+#endif
+}