basic type mechanism working

24 files changed, 321 insertions, 307 deletions

diff --git a/ffmpeg/libavresample/Makefile b/ffmpeg/libavresample/Makefile
index 6805280..bca23a9 100644
--- a/ffmpeg/libavresample/Makefile
+++ b/ffmpeg/libavresample/Makefile
@@ -13,4 +13,7 @@ OBJS = audio_convert.o                                                  \
        resample.o                                                       \
        utils.o                                                          \
 
+# Windows resource file
+SLIBOBJS-$(HAVE_GNU_WINDRES) += avresampleres.o
+
 TESTPROGS = avresample
diff --git a/ffmpeg/libavresample/audio_convert.c b/ffmpeg/libavresample/audio_convert.c
index 371617c..e73105d 100644
--- a/ffmpeg/libavresample/audio_convert.c
+++ b/ffmpeg/libavresample/audio_convert.c
@@ -2,20 +2,20 @@
  * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/audio_convert.h b/ffmpeg/libavresample/audio_convert.h
index 6a3089d..5cf6b9d 100644
--- a/ffmpeg/libavresample/audio_convert.h
+++ b/ffmpeg/libavresample/audio_convert.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/audio_data.c b/ffmpeg/libavresample/audio_data.c
index c52f518..1521d7e 100644
--- a/ffmpeg/libavresample/audio_data.c
+++ b/ffmpeg/libavresample/audio_data.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/audio_data.h b/ffmpeg/libavresample/audio_data.h
index 97236bb..b2b8bdd 100644
--- a/ffmpeg/libavresample/audio_data.h
+++ b/ffmpeg/libavresample/audio_data.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/audio_mix.c b/ffmpeg/libavresample/audio_mix.c
index b69bfbc..1b48fe5 100644
--- a/ffmpeg/libavresample/audio_mix.c
+++ b/ffmpeg/libavresample/audio_mix.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -201,23 +201,23 @@ static void mix_1_to_2_fltp_flt_c(float **samples, float **matrix, int len,
 
     while (len > 4) {
         v = *src++;
-        *dst0++ = v * m1;
-        *dst1++ = v * m0;
+        *dst0++ = v * m0;
+        *dst1++ = v * m1;
         v = *src++;
-        *dst0++ = v * m1;
-        *dst1++ = v * m0;
+        *dst0++ = v * m0;
+        *dst1++ = v * m1;
         v = *src++;
-        *dst0++ = v * m1;
-        *dst1++ = v * m0;
+        *dst0++ = v * m0;
+        *dst1++ = v * m1;
         v = *src++;
-        *dst0++ = v * m1;
-        *dst1++ = v * m0;
+        *dst0++ = v * m0;
+        *dst1++ = v * m1;
         len -= 4;
     }
     while (len > 0) {
         v = *src++;
-        *dst0++ = v * m1;
-        *dst1++ = v * m0;
+        *dst0++ = v * m0;
+        *dst1++ = v * m1;
         len--;
     }
 }
@@ -282,7 +282,7 @@ static void mix_2_to_6_fltp_flt_c(float **samples, float **matrix, int len,
     }
 }
 
-static int mix_function_init(AudioMix *am)
+static av_cold int mix_function_init(AudioMix *am)
 {
     am->func_descr = am->func_descr_generic = "n/a";
     am->mix = am->mix_generic = NULL;
diff --git a/ffmpeg/libavresample/audio_mix.h b/ffmpeg/libavresample/audio_mix.h
index 5bae5ab..0187d0f 100644
--- a/ffmpeg/libavresample/audio_mix.h
+++ b/ffmpeg/libavresample/audio_mix.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/audio_mix_matrix.c b/ffmpeg/libavresample/audio_mix_matrix.c
index 8da1b48..935ed5a 100644
--- a/ffmpeg/libavresample/audio_mix_matrix.c
+++ b/ffmpeg/libavresample/audio_mix_matrix.c
@@ -2,20 +2,20 @@
  * Copyright (C) 2011 Michael Niedermayer (michaelni@gmx.at)
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/avresample-test.c b/ffmpeg/libavresample/avresample-test.c
index 81e9bf0..290ae94 100644
--- a/ffmpeg/libavresample/avresample-test.c
+++ b/ffmpeg/libavresample/avresample-test.c
@@ -2,20 +2,20 @@
  * Copyright (c) 2002 Fabrice Bellard
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -91,7 +91,7 @@ static void audiogen(AVLFG *rnd, void **data, enum AVSampleFormat sample_fmt,
 
     k = 0;
 
-    /* 1 second of single freq sinus at 1000 Hz */
+    /* 1 second of single freq sine at 1000 Hz */
     a = 0;
     for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) {
         v = sin(a) * 0.30;
diff --git a/ffmpeg/libavresample/avresample.h b/ffmpeg/libavresample/avresample.h
index d26f2ca..f62e533 100644
--- a/ffmpeg/libavresample/avresample.h
+++ b/ffmpeg/libavresample/avresample.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -272,7 +272,7 @@ int avresample_set_matrix(AVAudioResampleContext *avr, const double *matrix,
  *
  * Examples:
  *
- * Reordering 5.1 AAC order (C,L,R,Ls,Rs,LFE) to Libav order (L,R,C,LFE,Ls,Rs):
+ * Reordering 5.1 AAC order (C,L,R,Ls,Rs,LFE) to FFmpeg order (L,R,C,LFE,Ls,Rs):
  * { 1, 2, 0, 5, 3, 4 }
  *
  * Muting the 3rd channel in 4-channel input:
diff --git a/ffmpeg/libavresample/dither.c b/ffmpeg/libavresample/dither.c
index f24bf5c..2ae8d33 100644
--- a/ffmpeg/libavresample/dither.c
+++ b/ffmpeg/libavresample/dither.c
@@ -4,20 +4,20 @@
  * Triangular with Noise Shaping is based on opusfile.
  * Copyright (c) 1994-2012 by the Xiph.Org Foundation and contributors
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -31,6 +31,7 @@
 #include <math.h>
 #include <stdint.h>
 
+#include "libavutil/attributes.h"
 #include "libavutil/common.h"
 #include "libavutil/lfg.h"
 #include "libavutil/mem.h"
@@ -325,8 +326,8 @@ void ff_dither_free(DitherContext **cp)
     av_freep(cp);
 }
 
-static void dither_init(DitherDSPContext *ddsp,
-                        enum AVResampleDitherMethod method)
+static av_cold void dither_init(DitherDSPContext *ddsp,
+                                enum AVResampleDitherMethod method)
 {
     ddsp->quantize      = quantize_c;
     ddsp->ptr_align     = 1;
diff --git a/ffmpeg/libavresample/dither.h b/ffmpeg/libavresample/dither.h
index 8db3714..c53e822 100644
--- a/ffmpeg/libavresample/dither.h
+++ b/ffmpeg/libavresample/dither.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/internal.h b/ffmpeg/libavresample/internal.h
index 057f89a..2946126 100644
--- a/ffmpeg/libavresample/internal.h
+++ b/ffmpeg/libavresample/internal.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/options.c b/ffmpeg/libavresample/options.c
index 39c415b..5f08cd7 100644
--- a/ffmpeg/libavresample/options.c
+++ b/ffmpeg/libavresample/options.c
@@ -1,23 +1,25 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <stdint.h>
+
 #include "libavutil/mathematics.h"
 #include "libavutil/mem.h"
 #include "libavutil/opt.h"
@@ -33,7 +35,7 @@
 #define OFFSET(x) offsetof(AVAudioResampleContext, x)
 #define PARAM AV_OPT_FLAG_AUDIO_PARAM
 
-static const AVOption options[] = {
+static const AVOption avresample_options[] = {
     { "in_channel_layout",      "Input Channel Layout",     OFFSET(in_channel_layout),      AV_OPT_TYPE_INT64,  { .i64 = 0              }, INT64_MIN,            INT64_MAX,              PARAM },
     { "in_sample_fmt",          "Input Sample Format",      OFFSET(in_sample_fmt),          AV_OPT_TYPE_INT,    { .i64 = AV_SAMPLE_FMT_S16 }, AV_SAMPLE_FMT_U8,     AV_SAMPLE_FMT_NB-1,     PARAM },
     { "in_sample_rate",         "Input Sample Rate",        OFFSET(in_sample_rate),         AV_OPT_TYPE_INT,    { .i64 = 48000          }, 1,                    INT_MAX,                PARAM },
@@ -87,7 +89,7 @@ static const AVOption options[] = {
 static const AVClass av_resample_context_class = {
     .class_name = "AVAudioResampleContext",
     .item_name  = av_default_item_name,
-    .option     = options,
+    .option     = avresample_options,
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
diff --git a/ffmpeg/libavresample/resample.c b/ffmpeg/libavresample/resample.c
index 69c9bab..525828c 100644
--- a/ffmpeg/libavresample/resample.c
+++ b/ffmpeg/libavresample/resample.c
@@ -2,20 +2,20 @@
  * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/resample.h b/ffmpeg/libavresample/resample.h
index 4544dab..3b56baa 100644
--- a/ffmpeg/libavresample/resample.h
+++ b/ffmpeg/libavresample/resample.h
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
diff --git a/ffmpeg/libavresample/utils.c b/ffmpeg/libavresample/utils.c
index c159e33..db1e087 100644
--- a/ffmpeg/libavresample/utils.c
+++ b/ffmpeg/libavresample/utils.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -438,7 +438,8 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
             resample_out = &output_buffer;
         else
             resample_out = avr->resample_out_buffer;
-        av_dlog(avr, "[resample] %s to %s\n", current_buffer->name,
+        av_dlog(avr, "[resample] %s to %s\n",
+                current_buffer ? current_buffer->name : "null",
                 resample_out->name);
         ret = ff_audio_resample(avr->resample, resample_out,
                                 current_buffer);
diff --git a/ffmpeg/libavresample/version.h b/ffmpeg/libavresample/version.h
index 387d097..4495c2f 100644
--- a/ffmpeg/libavresample/version.h
+++ b/ffmpeg/libavresample/version.h
@@ -1,24 +1,32 @@
 /*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVRESAMPLE_VERSION_H
 #define AVRESAMPLE_VERSION_H
 
+/**
+ * @file
+ * @ingroup lavr
+ * Libavresample version macros.
+ */
+
+#include "libavutil/version.h"
+
 #define LIBAVRESAMPLE_VERSION_MAJOR  1
 #define LIBAVRESAMPLE_VERSION_MINOR  1
 #define LIBAVRESAMPLE_VERSION_MICRO  0
diff --git a/ffmpeg/libavresample/x86/audio_convert.asm b/ffmpeg/libavresample/x86/audio_convert.asm
index 1d125c2..3e21f26 100644
--- a/ffmpeg/libavresample/x86/audio_convert.asm
+++ b/ffmpeg/libavresample/x86/audio_convert.asm
@@ -3,20 +3,20 @@
 ;* Copyright (c) 2008 Loren Merritt
 ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
 ;*
-;* This file is part of Libav.
+;* This file is part of FFmpeg.
 ;*
-;* Libav is free software; you can redistribute it and/or
+;* 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.
 ;*
-;* Libav is distributed in the hope that it will be useful,
+;* 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 Libav; if not, write to the Free Software
+;* License along with FFmpeg; if not, write to the Free Software
 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
diff --git a/ffmpeg/libavresample/x86/audio_convert_init.c b/ffmpeg/libavresample/x86/audio_convert_init.c
index 879108d..d88ddac 100644
--- a/ffmpeg/libavresample/x86/audio_convert_init.c
+++ b/ffmpeg/libavresample/x86/audio_convert_init.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -25,135 +25,135 @@
 
 /* flat conversions */
 
-extern void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len);
+void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len);
 
-extern void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len);
-extern void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len);
+void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len);
+void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len);
 
-extern void ff_conv_s32_to_s16_mmx (int16_t *dst, const int32_t *src, int len);
-extern void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len);
+void ff_conv_s32_to_s16_mmx (int16_t *dst, const int32_t *src, int len);
+void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len);
 
-extern void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len);
-extern void ff_conv_s32_to_flt_avx (float *dst, const int32_t *src, int len);
+void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len);
+void ff_conv_s32_to_flt_avx (float *dst, const int32_t *src, int len);
 
-extern void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len);
+void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len);
 
-extern void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len);
-extern void ff_conv_flt_to_s32_avx (int32_t *dst, const float *src, int len);
+void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len);
+void ff_conv_flt_to_s32_avx (int32_t *dst, const float *src, int len);
 
 /* interleave conversions */
 
-extern void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src,
-                                         int len, int channels);
-extern void ff_conv_s16p_to_s16_2ch_avx (int16_t *dst, int16_t *const *src,
-                                         int len, int channels);
+void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src,
+                                  int len, int channels);
+void ff_conv_s16p_to_s16_2ch_avx (int16_t *dst, int16_t *const *src,
+                                  int len, int channels);
 
-extern void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src,
-                                         int len, int channels);
-extern void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src,
-                                             int len, int channels);
-extern void ff_conv_s16p_to_s16_6ch_avx (int16_t *dst, int16_t *const *src,
-                                         int len, int channels);
+void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src,
+                                  int len, int channels);
+void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src,
+                                      int len, int channels);
+void ff_conv_s16p_to_s16_6ch_avx (int16_t *dst, int16_t *const *src,
+                                  int len, int channels);
 
-extern void ff_conv_s16p_to_flt_2ch_sse2(float *dst, int16_t *const *src,
-                                         int len, int channels);
-extern void ff_conv_s16p_to_flt_2ch_avx (float *dst, int16_t *const *src,
-                                         int len, int channels);
+void ff_conv_s16p_to_flt_2ch_sse2(float *dst, int16_t *const *src,
+                                  int len, int channels);
+void ff_conv_s16p_to_flt_2ch_avx (float *dst, int16_t *const *src,
+                                  int len, int channels);
 
-extern void ff_conv_s16p_to_flt_6ch_sse2 (float *dst, int16_t *const *src,
-                                          int len, int channels);
-extern void ff_conv_s16p_to_flt_6ch_ssse3(float *dst, int16_t *const *src,
-                                         int len, int channels);
-extern void ff_conv_s16p_to_flt_6ch_avx  (float *dst, int16_t *const *src,
-                                          int len, int channels);
+void ff_conv_s16p_to_flt_6ch_sse2 (float *dst, int16_t *const *src,
+                                   int len, int channels);
+void ff_conv_s16p_to_flt_6ch_ssse3(float *dst, int16_t *const *src,
+                                  int len, int channels);
+void ff_conv_s16p_to_flt_6ch_avx  (float *dst, int16_t *const *src,
+                                   int len, int channels);
 
-extern void ff_conv_fltp_to_s16_2ch_sse2 (int16_t *dst, float *const *src,
-                                          int len, int channels);
-extern void ff_conv_fltp_to_s16_2ch_ssse3(int16_t *dst, float *const *src,
-                                          int len, int channels);
+void ff_conv_fltp_to_s16_2ch_sse2 (int16_t *dst, float *const *src,
+                                   int len, int channels);
+void ff_conv_fltp_to_s16_2ch_ssse3(int16_t *dst, float *const *src,
+                                   int len, int channels);
 
-extern void ff_conv_fltp_to_s16_6ch_sse (int16_t *dst, float *const *src,
-                                         int len, int channels);
-extern void ff_conv_fltp_to_s16_6ch_sse2(int16_t *dst, float *const *src,
-                                         int len, int channels);
-extern void ff_conv_fltp_to_s16_6ch_avx (int16_t *dst, float *const *src,
-                                         int len, int channels);
+void ff_conv_fltp_to_s16_6ch_sse (int16_t *dst, float *const *src,
+                                  int len, int channels);
+void ff_conv_fltp_to_s16_6ch_sse2(int16_t *dst, float *const *src,
+                                  int len, int channels);
+void ff_conv_fltp_to_s16_6ch_avx (int16_t *dst, float *const *src,
+                                  int len, int channels);
 
-extern void ff_conv_fltp_to_flt_2ch_sse(float *dst, float *const *src, int len,
-                                        int channels);
-extern void ff_conv_fltp_to_flt_2ch_avx(float *dst, float *const *src, int len,
-                                        int channels);
+void ff_conv_fltp_to_flt_2ch_sse(float *dst, float *const *src, int len,
+                                 int channels);
+void ff_conv_fltp_to_flt_2ch_avx(float *dst, float *const *src, int len,
+                                 int channels);
 
-extern void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len,
-                                         int channels);
-extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len,
-                                         int channels);
-extern void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len,
-                                         int channels);
+void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len,
+                                  int channels);
+void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len,
+                                  int channels);
+void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len,
+                                  int channels);
 
 /* deinterleave conversions */
 
-extern void ff_conv_s16_to_s16p_2ch_sse2(int16_t *const *dst, int16_t *src,
-                                         int len, int channels);
-extern void ff_conv_s16_to_s16p_2ch_ssse3(int16_t *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_s16p_2ch_avx (int16_t *const *dst, int16_t *src,
-                                         int len, int channels);
+void ff_conv_s16_to_s16p_2ch_sse2(int16_t *const *dst, int16_t *src,
+                                  int len, int channels);
+void ff_conv_s16_to_s16p_2ch_ssse3(int16_t *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_s16p_2ch_avx (int16_t *const *dst, int16_t *src,
+                                  int len, int channels);
 
-extern void ff_conv_s16_to_s16p_6ch_sse2 (int16_t *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_s16p_6ch_ssse3(int16_t *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_s16p_6ch_avx  (int16_t *const *dst, int16_t *src,
-                                          int len, int channels);
+void ff_conv_s16_to_s16p_6ch_sse2 (int16_t *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_s16p_6ch_ssse3(int16_t *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_s16p_6ch_avx  (int16_t *const *dst, int16_t *src,
+                                   int len, int channels);
 
-extern void ff_conv_s16_to_fltp_2ch_sse2(float *const *dst, int16_t *src,
-                                         int len, int channels);
-extern void ff_conv_s16_to_fltp_2ch_avx (float *const *dst, int16_t *src,
-                                         int len, int channels);
+void ff_conv_s16_to_fltp_2ch_sse2(float *const *dst, int16_t *src,
+                                  int len, int channels);
+void ff_conv_s16_to_fltp_2ch_avx (float *const *dst, int16_t *src,
+                                  int len, int channels);
 
-extern void ff_conv_s16_to_fltp_6ch_sse2 (float *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_fltp_6ch_ssse3(float *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_fltp_6ch_sse4 (float *const *dst, int16_t *src,
-                                          int len, int channels);
-extern void ff_conv_s16_to_fltp_6ch_avx  (float *const *dst, int16_t *src,
-                                          int len, int channels);
+void ff_conv_s16_to_fltp_6ch_sse2 (float *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_fltp_6ch_ssse3(float *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_fltp_6ch_sse4 (float *const *dst, int16_t *src,
+                                   int len, int channels);
+void ff_conv_s16_to_fltp_6ch_avx  (float *const *dst, int16_t *src,
+                                   int len, int channels);
 
-extern void ff_conv_flt_to_s16p_2ch_sse2(int16_t *const *dst, float *src,
-                                         int len, int channels);
-extern void ff_conv_flt_to_s16p_2ch_avx (int16_t *const *dst, float *src,
-                                         int len, int channels);
+void ff_conv_flt_to_s16p_2ch_sse2(int16_t *const *dst, float *src,
+                                  int len, int channels);
+void ff_conv_flt_to_s16p_2ch_avx (int16_t *const *dst, float *src,
+                                  int len, int channels);
 
-extern void ff_conv_flt_to_s16p_6ch_sse2 (int16_t *const *dst, float *src,
-                                          int len, int channels);
-extern void ff_conv_flt_to_s16p_6ch_ssse3(int16_t *const *dst, float *src,
-                                          int len, int channels);
-extern void ff_conv_flt_to_s16p_6ch_avx  (int16_t *const *dst, float *src,
-                                          int len, int channels);
+void ff_conv_flt_to_s16p_6ch_sse2 (int16_t *const *dst, float *src,
+                                   int len, int channels);
+void ff_conv_flt_to_s16p_6ch_ssse3(int16_t *const *dst, float *src,
+                                   int len, int channels);
+void ff_conv_flt_to_s16p_6ch_avx  (int16_t *const *dst, float *src,
+                                   int len, int channels);
 
-extern void ff_conv_flt_to_fltp_2ch_sse(float *const *dst, float *src, int len,
-                                        int channels);
-extern void ff_conv_flt_to_fltp_2ch_avx(float *const *dst, float *src, int len,
-                                        int channels);
+void ff_conv_flt_to_fltp_2ch_sse(float *const *dst, float *src, int len,
+                                 int channels);
+void ff_conv_flt_to_fltp_2ch_avx(float *const *dst, float *src, int len,
+                                 int channels);
 
-extern void ff_conv_flt_to_fltp_6ch_sse2(float *const *dst, float *src, int len,
-                                         int channels);
-extern void ff_conv_flt_to_fltp_6ch_avx (float *const *dst, float *src, int len,
-                                         int channels);
+void ff_conv_flt_to_fltp_6ch_sse2(float *const *dst, float *src, int len,
+                                  int channels);
+void ff_conv_flt_to_fltp_6ch_avx (float *const *dst, float *src, int len,
+                                  int channels);
 
 av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
 {
-    int mm_flags = av_get_cpu_flags();
+    int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_MMX(mm_flags)) {
+    if (EXTERNAL_MMX(cpu_flags)) {
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
                                   0, 1, 8, "MMX", ff_conv_s32_to_s16_mmx);
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
                                   6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx);
     }
-    if (EXTERNAL_SSE(mm_flags)) {
+    if (EXTERNAL_SSE(cpu_flags)) {
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
                                   6, 1, 2, "SSE", ff_conv_fltp_to_s16_6ch_sse);
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
@@ -161,8 +161,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
                                   2, 16, 4, "SSE", ff_conv_flt_to_fltp_2ch_sse);
     }
-    if (EXTERNAL_SSE2(mm_flags)) {
-        if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
+    if (EXTERNAL_SSE2(cpu_flags)) {
+        if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
             ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
                                       0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2);
             ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
@@ -206,7 +206,7 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
                                   6, 16, 4, "SSE2", ff_conv_flt_to_fltp_6ch_sse2);
     }
-    if (EXTERNAL_SSSE3(mm_flags)) {
+    if (EXTERNAL_SSSE3(cpu_flags)) {
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
                                   6, 16, 4, "SSSE3", ff_conv_s16p_to_flt_6ch_ssse3);
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
@@ -220,13 +220,13 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
                                   6, 16, 4, "SSSE3", ff_conv_flt_to_s16p_6ch_ssse3);
     }
-    if (EXTERNAL_SSE4(mm_flags)) {
+    if (EXTERNAL_SSE4(cpu_flags)) {
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16,
                                   0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4);
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
                                   6, 16, 4, "SSE4", ff_conv_fltp_to_flt_6ch_sse4);
     }
-    if (EXTERNAL_AVX(mm_flags)) {
+    if (EXTERNAL_AVX(cpu_flags)) {
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
                                   0, 32, 16, "AVX", ff_conv_s32_to_flt_avx);
         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT,
diff --git a/ffmpeg/libavresample/x86/audio_mix.asm b/ffmpeg/libavresample/x86/audio_mix.asm
index 9353593..64ab039 100644
--- a/ffmpeg/libavresample/x86/audio_mix.asm
+++ b/ffmpeg/libavresample/x86/audio_mix.asm
@@ -2,20 +2,20 @@
 ;* x86 optimized channel mixing
 ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
 ;*
-;* This file is part of Libav.
+;* This file is part of FFmpeg.
 ;*
-;* Libav is free software; you can redistribute it and/or
+;* 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.
 ;*
-;* Libav is distributed in the hope that it will be useful,
+;* 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 Libav; if not, write to the Free Software
+;* License along with FFmpeg; if not, write to the Free Software
 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
@@ -390,10 +390,10 @@ cglobal mix_%1_to_%2_%3_flt, 3,in_channels+2,needed_mmregs+matrix_elements_mm, n
     S16_TO_S32_SX   4, 5
     cvtdq2ps       m4, m4
     cvtdq2ps       m5, m5
-    fmaddps        m2, m4, mx_1_ %+ %%i, m2, m6
-    fmaddps        m3, m5, mx_1_ %+ %%i, m3, m6
-    fmaddps        m0, m4, mx_0_ %+ %%i, m0, m4
-    fmaddps        m1, m5, mx_0_ %+ %%i, m1, m5
+    FMULADD_PS     m2, m4, mx_1_ %+ %%i, m2, m6
+    FMULADD_PS     m3, m5, mx_1_ %+ %%i, m3, m6
+    FMULADD_PS     m0, m4, mx_0_ %+ %%i, m0, m4
+    FMULADD_PS     m1, m5, mx_0_ %+ %%i, m1, m5
     %else
     %if copy_src_from_stack
     mov       src_ptr, src %+ %%i %+ m
@@ -402,8 +402,8 @@ cglobal mix_%1_to_%2_%3_flt, 3,in_channels+2,needed_mmregs+matrix_elements_mm, n
     S16_TO_S32_SX   2, 3
     cvtdq2ps       m2, m2
     cvtdq2ps       m3, m3
-    fmaddps        m0, m2, mx_0_ %+ %%i, m0, m4
-    fmaddps        m1, m3, mx_0_ %+ %%i, m1, m4
+    FMULADD_PS     m0, m2, mx_0_ %+ %%i, m0, m4
+    FMULADD_PS     m1, m3, mx_0_ %+ %%i, m1, m4
     %endif
     %assign %%i %%i+1
 %endrep
@@ -428,7 +428,7 @@ cglobal mix_%1_to_%2_%3_flt, 3,in_channels+2,needed_mmregs+matrix_elements_mm, n
     %if stereo || mx_stack_0_0
     mulps          m0, m0, mx_0_0
     %else
-    mulps          m0, [src0q+lenq], mx_0_0
+    mulps          m0, mx_0_0, [src0q+lenq]
     %endif
 %assign %%i 1
 %rep (in_channels - 1)
@@ -443,12 +443,12 @@ cglobal mix_%1_to_%2_%3_flt, 3,in_channels+2,needed_mmregs+matrix_elements_mm, n
     mova           m2, [src_ptr+lenq]
     %endif
     %if stereo
-    fmaddps        m1, m2, mx_1_ %+ %%i, m1, m3
+    FMULADD_PS     m1, m2, mx_1_ %+ %%i, m1, m3
     %endif
     %if stereo || mx_stack_0_ %+ %%i
-    fmaddps        m0, m2, mx_0_ %+ %%i, m0, m2
+    FMULADD_PS     m0, m2, mx_0_ %+ %%i, m0, m2
     %else
-    fmaddps        m0, mx_0_ %+ %%i, [src_ptr+lenq], m0, m1
+    FMULADD_PS     m0, mx_0_ %+ %%i, [src_ptr+lenq], m0, m1
     %endif
     %assign %%i %%i+1
 %endrep
diff --git a/ffmpeg/libavresample/x86/audio_mix_init.c b/ffmpeg/libavresample/x86/audio_mix_init.c
index 72b2397..bec88b0 100644
--- a/ffmpeg/libavresample/x86/audio_mix_init.c
+++ b/ffmpeg/libavresample/x86/audio_mix_init.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -23,80 +23,80 @@
 #include "libavutil/x86/cpu.h"
 #include "libavresample/audio_mix.h"
 
-extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
-                                       int out_ch, int in_ch);
-extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
-                                       int out_ch, int in_ch);
+void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
+                                int out_ch, int in_ch);
+void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
+                                int out_ch, int in_ch);
 
-extern void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len,
-                                        int out_ch, int in_ch);
-extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
-                                        int out_ch, int in_ch);
+void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len,
+                                 int out_ch, int in_ch);
+void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
+                                 int out_ch, int in_ch);
 
-extern void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
-                                       int len, int out_ch, int in_ch);
+void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
+                                int len, int out_ch, int in_ch);
 
-extern void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
-                                       int out_ch, int in_ch);
-extern void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
-                                       int out_ch, int in_ch);
+void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
+                                int out_ch, int in_ch);
+void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
+                                int out_ch, int in_ch);
 
-extern void ff_mix_1_to_2_s16p_flt_sse2(int16_t **src, float **matrix, int len,
-                                        int out_ch, int in_ch);
-extern void ff_mix_1_to_2_s16p_flt_sse4(int16_t **src, float **matrix, int len,
-                                        int out_ch, int in_ch);
-extern void ff_mix_1_to_2_s16p_flt_avx (int16_t **src, float **matrix, int len,
-                                        int out_ch, int in_ch);
+void ff_mix_1_to_2_s16p_flt_sse2(int16_t **src, float **matrix, int len,
+                                 int out_ch, int in_ch);
+void ff_mix_1_to_2_s16p_flt_sse4(int16_t **src, float **matrix, int len,
+                                 int out_ch, int in_ch);
+void ff_mix_1_to_2_s16p_flt_avx (int16_t **src, float **matrix, int len,
+                                 int out_ch, int in_ch);
 
-#define DEFINE_MIX_3_8_TO_1_2(chan)                                         \
-extern void ff_mix_ ## chan ## _to_1_fltp_flt_sse(float **src,              \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-extern void ff_mix_ ## chan ## _to_2_fltp_flt_sse(float **src,              \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_s16p_flt_sse2(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-extern void ff_mix_ ## chan ## _to_2_s16p_flt_sse2(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_s16p_flt_sse4(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-extern void ff_mix_ ## chan ## _to_2_s16p_flt_sse4(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_fltp_flt_avx(float **src,              \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-extern void ff_mix_ ## chan ## _to_2_fltp_flt_avx(float **src,              \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_s16p_flt_avx(int16_t **src,            \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-extern void ff_mix_ ## chan ## _to_2_s16p_flt_avx(int16_t **src,            \
-                                                  float **matrix, int len,  \
-                                                  int out_ch, int in_ch);   \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_fltp_flt_fma4(float **src,             \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-extern void ff_mix_ ## chan ## _to_2_fltp_flt_fma4(float **src,             \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-                                                                            \
-extern void ff_mix_ ## chan ## _to_1_s16p_flt_fma4(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);  \
-extern void ff_mix_ ## chan ## _to_2_s16p_flt_fma4(int16_t **src,           \
-                                                   float **matrix, int len, \
-                                                   int out_ch, int in_ch);
+#define DEFINE_MIX_3_8_TO_1_2(chan)                                     \
+void ff_mix_ ## chan ## _to_1_fltp_flt_sse(float **src,                 \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+void ff_mix_ ## chan ## _to_2_fltp_flt_sse(float **src,                 \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_s16p_flt_sse2(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+void ff_mix_ ## chan ## _to_2_s16p_flt_sse2(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_s16p_flt_sse4(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+void ff_mix_ ## chan ## _to_2_s16p_flt_sse4(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_fltp_flt_avx(float **src,                 \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+void ff_mix_ ## chan ## _to_2_fltp_flt_avx(float **src,                 \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_s16p_flt_avx(int16_t **src,               \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+void ff_mix_ ## chan ## _to_2_s16p_flt_avx(int16_t **src,               \
+                                           float **matrix, int len,     \
+                                           int out_ch, int in_ch);      \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_fltp_flt_fma4(float **src,                \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+void ff_mix_ ## chan ## _to_2_fltp_flt_fma4(float **src,                \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+                                                                        \
+void ff_mix_ ## chan ## _to_1_s16p_flt_fma4(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);     \
+void ff_mix_ ## chan ## _to_2_s16p_flt_fma4(int16_t **src,              \
+                                            float **matrix, int len,    \
+                                            int out_ch, int in_ch);
 
 DEFINE_MIX_3_8_TO_1_2(3)
 DEFINE_MIX_3_8_TO_1_2(4)
@@ -106,7 +106,7 @@ DEFINE_MIX_3_8_TO_1_2(7)
 DEFINE_MIX_3_8_TO_1_2(8)
 
 #define SET_MIX_3_8_TO_1_2(chan)                                            \
-    if (EXTERNAL_SSE(mm_flags)) {                                           \
+    if (EXTERNAL_SSE(cpu_flags)) {                                          \
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
                               chan, 1, 16, 4, "SSE",                        \
                               ff_mix_ ## chan ## _to_1_fltp_flt_sse);       \
@@ -114,7 +114,7 @@ DEFINE_MIX_3_8_TO_1_2(8)
                               chan, 2, 16, 4, "SSE",                        \
                               ff_mix_## chan ##_to_2_fltp_flt_sse);         \
     }                                                                       \
-    if (EXTERNAL_SSE2(mm_flags)) {                                          \
+    if (EXTERNAL_SSE2(cpu_flags)) {                                         \
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
                               chan, 1, 16, 8, "SSE2",                       \
                               ff_mix_ ## chan ## _to_1_s16p_flt_sse2);      \
@@ -122,7 +122,7 @@ DEFINE_MIX_3_8_TO_1_2(8)
                               chan, 2, 16, 8, "SSE2",                       \
                               ff_mix_ ## chan ## _to_2_s16p_flt_sse2);      \
     }                                                                       \
-    if (EXTERNAL_SSE4(mm_flags)) {                                          \
+    if (EXTERNAL_SSE4(cpu_flags)) {                                         \
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
                               chan, 1, 16, 8, "SSE4",                       \
                               ff_mix_ ## chan ## _to_1_s16p_flt_sse4);      \
@@ -130,7 +130,7 @@ DEFINE_MIX_3_8_TO_1_2(8)
                               chan, 2, 16, 8, "SSE4",                       \
                               ff_mix_ ## chan ## _to_2_s16p_flt_sse4);      \
     }                                                                       \
-    if (EXTERNAL_AVX(mm_flags)) {                                           \
+    if (EXTERNAL_AVX(cpu_flags)) {                                          \
         int ptr_align = 32;                                                 \
         int smp_align = 8;                                                  \
         if (ARCH_X86_32 || chan >= 6) {                                     \
@@ -150,7 +150,7 @@ DEFINE_MIX_3_8_TO_1_2(8)
                               chan, 2, 16, 8, "AVX",                        \
                               ff_mix_ ## chan ## _to_2_s16p_flt_avx);       \
     }                                                                       \
-    if (EXTERNAL_FMA4(mm_flags)) {                                          \
+    if (EXTERNAL_FMA4(cpu_flags)) {                                         \
         int ptr_align = 32;                                                 \
         int smp_align = 8;                                                  \
         if (ARCH_X86_32 || chan >= 6) {                                     \
@@ -174,15 +174,15 @@ DEFINE_MIX_3_8_TO_1_2(8)
 av_cold void ff_audio_mix_init_x86(AudioMix *am)
 {
 #if HAVE_YASM
-    int mm_flags = av_get_cpu_flags();
+    int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_SSE(mm_flags)) {
+    if (EXTERNAL_SSE(cpu_flags)) {
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
                               2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
                               1, 2, 16, 4, "SSE", ff_mix_1_to_2_fltp_flt_sse);
     }
-    if (EXTERNAL_SSE2(mm_flags)) {
+    if (EXTERNAL_SSE2(cpu_flags)) {
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
                               2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2);
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_Q8,
@@ -190,13 +190,13 @@ av_cold void ff_audio_mix_init_x86(AudioMix *am)
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
                               1, 2, 16, 8, "SSE2", ff_mix_1_to_2_s16p_flt_sse2);
     }
-    if (EXTERNAL_SSE4(mm_flags)) {
+    if (EXTERNAL_SSE4(cpu_flags)) {
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
                               2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4);
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
                               1, 2, 16, 8, "SSE4", ff_mix_1_to_2_s16p_flt_sse4);
     }
-    if (EXTERNAL_AVX(mm_flags)) {
+    if (EXTERNAL_AVX(cpu_flags)) {
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
                               2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
diff --git a/ffmpeg/libavresample/x86/dither_init.c b/ffmpeg/libavresample/x86/dither_init.c
index 6532887..816d4b0 100644
--- a/ffmpeg/libavresample/x86/dither_init.c
+++ b/ffmpeg/libavresample/x86/dither_init.c
@@ -23,38 +23,37 @@
 #include "libavutil/x86/cpu.h"
 #include "libavresample/dither.h"
 
-extern void ff_quantize_sse2(int16_t *dst, const float *src, float *dither,
-                             int len);
+void ff_quantize_sse2(int16_t *dst, const float *src, float *dither, int len);
 
-extern void ff_dither_int_to_float_rectangular_sse2(float *dst, int *src, int len);
-extern void ff_dither_int_to_float_rectangular_avx(float *dst, int *src, int len);
+void ff_dither_int_to_float_rectangular_sse2(float *dst, int *src, int len);
+void ff_dither_int_to_float_rectangular_avx(float *dst, int *src, int len);
 
-extern void ff_dither_int_to_float_triangular_sse2(float *dst, int *src0, int len);
-extern void ff_dither_int_to_float_triangular_avx(float *dst, int *src0, int len);
+void ff_dither_int_to_float_triangular_sse2(float *dst, int *src0, int len);
+void ff_dither_int_to_float_triangular_avx(float *dst, int *src0, int len);
 
 av_cold void ff_dither_init_x86(DitherDSPContext *ddsp,
                                 enum AVResampleDitherMethod method)
 {
-    int mm_flags = av_get_cpu_flags();
+    int cpu_flags = av_get_cpu_flags();
 
-    if (EXTERNAL_SSE2(mm_flags)) {
+    if (EXTERNAL_SSE2(cpu_flags)) {
         ddsp->quantize      = ff_quantize_sse2;
         ddsp->ptr_align     = 16;
         ddsp->samples_align = 8;
     }
 
     if (method == AV_RESAMPLE_DITHER_RECTANGULAR) {
-        if (EXTERNAL_SSE2(mm_flags)) {
+        if (EXTERNAL_SSE2(cpu_flags)) {
             ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_sse2;
         }
-        if (EXTERNAL_AVX(mm_flags)) {
+        if (EXTERNAL_AVX(cpu_flags)) {
             ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_avx;
         }
     } else {
-        if (EXTERNAL_SSE2(mm_flags)) {
+        if (EXTERNAL_SSE2(cpu_flags)) {
             ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_sse2;
         }
-        if (EXTERNAL_AVX(mm_flags)) {
+        if (EXTERNAL_AVX(cpu_flags)) {
             ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_avx;
         }
     }
diff --git a/ffmpeg/libavresample/x86/util.asm b/ffmpeg/libavresample/x86/util.asm
index 0ce9531..187a4a2 100644
--- a/ffmpeg/libavresample/x86/util.asm
+++ b/ffmpeg/libavresample/x86/util.asm
@@ -2,20 +2,20 @@
 ;* x86 utility macros for libavresample
 ;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
 ;*
-;* This file is part of Libav.
+;* This file is part of FFmpeg.
 ;*
-;* Libav is free software; you can redistribute it and/or
+;* 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.
 ;*
-;* Libav is distributed in the hope that it will be useful,
+;* 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 Libav; if not, write to the Free Software
+;* License along with FFmpeg; if not, write to the Free Software
 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************