1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/liba52/resample.c b/contrib/ffmpeg/libavcodec/liba52/resample.c
new file mode 100644
index 000000000..3f06aba1f
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/liba52/resample.c
@@ -0,0 +1,63 @@
+/*
+ * copyright (C) 2001 Arpad Gereoffy
+ *
+ * This file is part of a52dec, a free ATSC A-52 stream decoder.
+ * See http://liba52.sourceforge.net/ for updates.
+ *
+ * a52dec is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * a52dec 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// a52_resample_init should find the requested converter (from type flags ->
+// given number of channels) and set up some function pointers...
+
+// a52_resample() should do the conversion.
+
+#include "a52.h"
+#include "mm_accel.h"
+#include "config.h"
+#include "../../libpostproc/mangle.h"
+
+int (* a52_resample) (float * _f, int16_t * s16)=NULL;
+
+#include "resample_c.c"
+
+#ifdef ARCH_X86_32
+#include "resample_mmx.c"
+#endif
+
+void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
+void* tmp;
+
+#ifdef ARCH_X86_32
+    if(mm_accel&MM_ACCEL_X86_MMX){
+	tmp=a52_resample_MMX(flags,chans);
+	if(tmp){
+	    if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "Using MMX optimized resampler\n");
+	    a52_resample=tmp;
+	    return tmp;
+	}
+    }
+#endif
+
+    tmp=a52_resample_C(flags,chans);
+    if(tmp){
+	if(a52_resample==NULL) av_log(NULL, AV_LOG_INFO, "No accelerated resampler found\n");
+	a52_resample=tmp;
+	return tmp;
+    }
+
+    av_log(NULL, AV_LOG_ERROR, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
+    return NULL;
+}