Merge remote-tracking branch 'qatar/master'

* qatar/master:
  get_bits: remove A32 variant
  avconv: support stream specifiers in -metadata and -map_metadata
  wavpack: Fix 32-bit clipping
  wavpack: Clip samples after shifting
  h264: don't drop B-frames after next keyframe on POC reset.
  get_bits: remove useless pointer casts
  configure: refactor lists of tests and components into variables
  rv40: NEON optimised weak loop filter
  mpegts: replace some magic numbers with the existing define
  swscale: add unscaled packed 16 bit per component endianess conversion

Conflicts:
	libavcodec/get_bits.h
	libavcodec/h264.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

14 files changed, 449 insertions, 235 deletions

diff --git a/avconv.c b/avconv.c
index 8f385314e5..0fadcc9b2c 100644
--- a/avconv.c
+++ b/avconv.c
@@ -354,6 +354,8 @@ typedef struct OptionsContext {
     int        nb_inter_matrices;
     SpecifierOpt *top_field_first;
     int        nb_top_field_first;
+    SpecifierOpt *metadata_map;
+    int        nb_metadata_map;
     SpecifierOpt *presets;
     int        nb_presets;
     SpecifierOpt *copy_initial_nonkeyframes;
@@ -2865,7 +2867,13 @@ static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
     return 0;
 }
 
-static void parse_meta_type(char *arg, char *type, int *index)
+/**
+ * Parse a metadata specifier in arg.
+ * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
+ * @param index for type c/p, chapter/program index is written here
+ * @param stream_spec for type s, the stream specifier is written here
+ */
+static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
 {
     if (*arg) {
         *type = *arg;
@@ -2873,6 +2881,12 @@ static void parse_meta_type(char *arg, char *type, int *index)
         case 'g':
             break;
         case 's':
+            if (*(++arg) && *arg != ':') {
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
+                exit_program(1);
+            }
+            *stream_spec = *arg == ':' ? arg + 1 : "";
+            break;
         case 'c':
         case 'p':
             if (*(++arg) == ':')
@@ -2886,31 +2900,76 @@ static void parse_meta_type(char *arg, char *type, int *index)
         *type = 'g';
 }
 
-static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
+static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
 {
-    MetadataMap *m, *m1;
-    char *p;
-
-    o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
-                                   &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
-
-    m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
-    m->file = strtol(arg, &p, 0);
-    parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
+    AVDictionary **meta_in = NULL;
+    AVDictionary **meta_out;
+    int i, ret = 0;
+    char type_in, type_out;
+    const char *istream_spec = NULL, *ostream_spec = NULL;
+    int idx_in = 0, idx_out = 0;
 
-    m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
-    if (p = strchr(opt, ':'))
-        parse_meta_type(p + 1, &m1->type, &m1->index);
-    else
-        m1->type = 'g';
+    parse_meta_type(inspec,  &type_in,  &idx_in,  &istream_spec);
+    parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
 
-    if (m->type == 'g' || m1->type == 'g')
+    if (type_in == 'g' || type_out == 'g')
         o->metadata_global_manual = 1;
-    if (m->type == 's' || m1->type == 's')
+    if (type_in == 's' || type_out == 's')
         o->metadata_streams_manual = 1;
-    if (m->type == 'c' || m1->type == 'c')
+    if (type_in == 'c' || type_out == 'c')
         o->metadata_chapters_manual = 1;
 
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+    if ((index) < 0 || (index) >= (nb_elems)) {\
+        av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
+                (desc), (index));\
+        exit_program(1);\
+    }
+
+#define SET_DICT(type, meta, context, index)\
+        switch (type) {\
+        case 'g':\
+            meta = &context->metadata;\
+            break;\
+        case 'c':\
+            METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
+            meta = &context->chapters[index]->metadata;\
+            break;\
+        case 'p':\
+            METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
+            meta = &context->programs[index]->metadata;\
+            break;\
+        }\
+
+    SET_DICT(type_in, meta_in, ic, idx_in);
+    SET_DICT(type_out, meta_out, oc, idx_out);
+
+    /* for input streams choose first matching stream */
+    if (type_in == 's') {
+        for (i = 0; i < ic->nb_streams; i++) {
+            if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
+                meta_in = &ic->streams[i]->metadata;
+                break;
+            } else if (ret < 0)
+                exit_program(1);
+        }
+        if (!meta_in) {
+            av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match  any streams.\n", istream_spec);
+            exit_program(1);
+        }
+    }
+
+    if (type_out == 's') {
+        for (i = 0; i < oc->nb_streams; i++) {
+            if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
+                meta_out = &oc->streams[i]->metadata;
+                av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+            } else if (ret < 0)
+                exit_program(1);
+        }
+    } else
+        av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+
     return 0;
 }
 
@@ -3802,6 +3861,20 @@ static void opt_output_file(void *optctx, const char *filename)
     }
     oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
 
+    /* copy metadata */
+    for (i = 0; i < o->nb_metadata_map; i++) {
+        char *p;
+        int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
+
+        if (in_file_index < 0)
+            continue;
+        if (in_file_index >= nb_input_files) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
+            exit_program(1);
+        }
+        copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
+    }
+
     /* copy chapters */
     if (o->chapters_input_file >= nb_input_files) {
         if (o->chapters_input_file == INT_MAX) {
@@ -3822,52 +3895,6 @@ static void opt_output_file(void *optctx, const char *filename)
         copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
                       !o->metadata_chapters_manual);
 
-    /* copy metadata */
-    for (i = 0; i < o->nb_meta_data_maps; i++) {
-        AVFormatContext *files[2];
-        AVDictionary    **meta[2];
-        int j;
-
-#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
-        if ((index) < 0 || (index) >= (nb_elems)) {\
-            av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
-                     (desc), (index));\
-            exit_program(1);\
-        }
-
-        int in_file_index = o->meta_data_maps[i][1].file;
-        if (in_file_index < 0)
-            continue;
-        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
-
-        files[0] = oc;
-        files[1] = input_files[in_file_index].ctx;
-
-        for (j = 0; j < 2; j++) {
-            MetadataMap *map = &o->meta_data_maps[i][j];
-
-            switch (map->type) {
-            case 'g':
-                meta[j] = &files[j]->metadata;
-                break;
-            case 's':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
-                meta[j] = &files[j]->streams[map->index]->metadata;
-                break;
-            case 'c':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
-                meta[j] = &files[j]->chapters[map->index]->metadata;
-                break;
-            case 'p':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
-                meta[j] = &files[j]->programs[map->index]->metadata;
-                break;
-            }
-        }
-
-        av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
-    }
-
     /* copy global metadata by default */
     if (!o->metadata_global_manual && nb_input_files)
         av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
@@ -3885,7 +3912,8 @@ static void opt_output_file(void *optctx, const char *filename)
     for (i = 0; i < o->nb_metadata; i++) {
         AVDictionary **m;
         char type, *val;
-        int index = 0;
+        const char *stream_spec;
+        int index = 0, j, ret;
 
         val = strchr(o->metadata[i].u.str, '=');
         if (!val) {
@@ -3895,31 +3923,34 @@ static void opt_output_file(void *optctx, const char *filename)
         }
         *val++ = 0;
 
-        parse_meta_type(o->metadata[i].specifier, &type, &index);
-        switch (type) {
-        case 'g':
-            m = &oc->metadata;
-            break;
-        case 's':
-            if (index < 0 || index >= oc->nb_streams) {
-                av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
-                exit_program(1);
+        parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
+        if (type == 's') {
+            for (j = 0; j < oc->nb_streams; j++) {
+                if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
+                    av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
+                } else if (ret < 0)
+                    exit_program(1);
             }
-            m = &oc->streams[index]->metadata;
-            break;
-        case 'c':
-            if (index < 0 || index >= oc->nb_chapters) {
-                av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+            printf("ret %d, stream_spec %s\n", ret, stream_spec);
+        }
+        else {
+            switch (type) {
+            case 'g':
+                m = &oc->metadata;
+                break;
+            case 'c':
+                if (index < 0 || index >= oc->nb_chapters) {
+                    av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+                    exit_program(1);
+                }
+                m = &oc->chapters[index]->metadata;
+                break;
+            default:
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
                 exit_program(1);
             }
-            m = &oc->chapters[index]->metadata;
-            break;
-        default:
-            av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
-            exit_program(1);
+            av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
         }
-
-        av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
     }
 
     reset_options(o);
@@ -4231,7 +4262,7 @@ static const OptionDef options[] = {
     { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
     { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
     { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
-    { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
+    { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
       "outfile[,metadata]:infile[,metadata]" },
     { "map_chapters",  OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)},  "set chapters mapping", "input_file_index" },
     { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
diff --git a/configure b/configure
index 2d2aae9630..b255123aad 100755
--- a/configure
+++ b/configure
@@ -1882,6 +1882,20 @@ INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
 
+ALL_COMPONENTS="
+    $BSF_LIST
+    $DECODER_LIST
+    $DEMUXER_LIST
+    $ENCODER_LIST
+    $FILTER_LIST
+    $HWACCEL_LIST
+    $INDEV_LIST
+    $MUXER_LIST
+    $OUTDEV_LIST
+    $PARSER_LIST
+    $PROTOCOL_LIST
+"
+
 find_tests(){
     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
 }
@@ -1892,6 +1906,8 @@ LAVF_TESTS=$(find_tests lavf)
 LAVFI_TESTS=$(find_tests lavfi)
 SEEK_TESTS=$(find_tests seek seek_)
 
+ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
+
 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
 
 for n in $COMPONENT_LIST; do
@@ -1900,7 +1916,7 @@ for n in $COMPONENT_LIST; do
     eval ${n}_if_any="\$$v"
 done
 
-enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
+enable $ARCH_EXT_LIST $ALL_TESTS
 
 die_unknown(){
     echo "Unknown option \"$1\"."
@@ -3310,22 +3326,8 @@ enabled_any $THREADS_LIST      && enable threads
 check_deps $CONFIG_LIST       \
            $CONFIG_EXTRA      \
            $HAVE_LIST         \
-           $DECODER_LIST      \
-           $ENCODER_LIST      \
-           $HWACCEL_LIST      \
-           $PARSER_LIST       \
-           $BSF_LIST          \
-           $DEMUXER_LIST      \
-           $MUXER_LIST        \
-           $FILTER_LIST       \
-           $INDEV_LIST        \
-           $OUTDEV_LIST       \
-           $PROTOCOL_LIST     \
-           $ACODEC_TESTS      \
-           $VCODEC_TESTS      \
-           $LAVF_TESTS        \
-           $LAVFI_TESTS       \
-           $SEEK_TESTS        \
+           $ALL_COMPONENTS    \
+           $ALL_TESTS         \
 
 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
 
@@ -3606,17 +3608,7 @@ print_config ARCH_   "$config_files" $ARCH_LIST
 print_config HAVE_   "$config_files" $HAVE_LIST
 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
                                      $CONFIG_EXTRA      \
-                                     $DECODER_LIST      \
-                                     $ENCODER_LIST      \
-                                     $HWACCEL_LIST      \
-                                     $PARSER_LIST       \
-                                     $BSF_LIST          \
-                                     $DEMUXER_LIST      \
-                                     $MUXER_LIST        \
-                                     $FILTER_LIST       \
-                                     $PROTOCOL_LIST     \
-                                     $INDEV_LIST        \
-                                     $OUTDEV_LIST       \
+                                     $ALL_COMPONENTS    \
 
 cat >>config.mak <<EOF
 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
diff --git a/doc/avconv.texi b/doc/avconv.texi
index f83cf590b6..e6ebe71d9d 100644
--- a/doc/avconv.texi
+++ b/doc/avconv.texi
@@ -173,9 +173,9 @@ For example, for setting the title in the output file:
 avconv -i in.avi -metadata title="my title" out.flv
 @end example
 
-To set the language of the second stream:
+To set the language of the first audio stream:
 @example
-avconv -i INPUT -metadata:s:1 language=eng OUTPUT
+avconv -i INPUT -metadata:s:a:0 language=eng OUTPUT
 @end example
 
 @item -target @var{type} (@emph{output})
@@ -680,14 +680,28 @@ avconv -i INPUT -map 0 -map -0:a:1 OUTPUT
 
 Note that using this option disables the default mappings for this output file.
 
-@item -map_metadata[:@var{metadata_type}][:@var{index}] @var{infile}[:@var{metadata_type}][:@var{index}] (@emph{output,per-metadata})
+@item -map_metadata[:@var{metadata_spec_out}] @var{infile}[:@var{metadata_spec_in}] (@emph{output,per-metadata})
 Set metadata information of the next output file from @var{infile}. Note that
 those are file indices (zero-based), not filenames.
-Optional @var{metadata_type} parameters specify, which metadata to copy - (g)lobal
-(i.e. metadata that applies to the whole file), per-(s)tream, per-(c)hapter or
-per-(p)rogram. All metadata specifiers other than global must be followed by the
-stream/chapter/program index. If metadata specifier is omitted, it defaults to
-global.
+Optional @var{metadata_spec_in/out} parameters specify, which metadata to copy.
+A metadata specifier can have the following forms:
+@table @option
+@item @var{g}
+global metadata, i.e. metadata that applies to the whole file
+
+@item @var{s}[:@var{stream_spec}]
+per-stream metadata. @var{stream_spec} is a stream specifier as described
+in the @ref{Stream specifiers} chapter. In an input metadata specifier, the first
+matching stream is copied from. In an output metadata specifier, all matching
+streams are copied to.
+
+@item @var{c}:@var{chapter_index}
+per-chapter metadata. @var{chapter_index} is the zero-based chapter index.
+
+@item @var{p}:@var{program_index}
+per-program metadata. @var{program_index} is the zero-based program index.
+@end table
+If metadata specifier is omitted, it defaults to global.
 
 By default, global metadata is copied from the first input file,
 per-stream and per-chapter metadata is copied along with streams/chapters. These
@@ -699,6 +713,14 @@ of the output file:
 @example
 avconv -i in.ogg -map_metadata 0:s:0 out.mp3
 @end example
+
+To do the reverse, i.e. copy global metadata to all audio streams:
+@example
+avconv -i in.mkv -map_metadata:s:a 0:g out.mkv
+@end example
+Note that simple @code{0} would work as well in this example, since global
+metadata is assumed by default.
+
 @item -map_chapters @var{input_file_index} (@emph{output})
 Copy chapters from input file with index @var{input_file_index} to the next
 output file. If no chapter mapping is specified, then chapters are copied from
diff --git a/doc/avtools-common-opts.texi b/doc/avtools-common-opts.texi
index b97a3c8b2a..1a50d6e6b2 100644
--- a/doc/avtools-common-opts.texi
+++ b/doc/avtools-common-opts.texi
@@ -11,6 +11,7 @@ corresponding value to true. They can be set to false by prefixing
 with "no" the option name, for example using "-nofoo" in the
 command line will set to false the boolean option with name "foo".
 
+@anchor{Stream specifiers}
 @section Stream specifiers
 Some options are applied per-stream, e.g. bitrate or codec. Stream specifiers
 are used to precisely specify which stream(s) does a given option belong to.
diff --git a/ffmpeg.c b/ffmpeg.c
index f64d7394f6..6ef8c150fb 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -376,6 +376,8 @@ typedef struct OptionsContext {
     int        nb_inter_matrices;
     SpecifierOpt *top_field_first;
     int        nb_top_field_first;
+    SpecifierOpt *metadata_map;
+    int        nb_metadata_map;
     SpecifierOpt *presets;
     int        nb_presets;
     SpecifierOpt *copy_initial_nonkeyframes;
@@ -3110,7 +3112,13 @@ static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
     return 0;
 }
 
-static void parse_meta_type(char *arg, char *type, int *index)
+/**
+ * Parse a metadata specifier in arg.
+ * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
+ * @param index for type c/p, chapter/program index is written here
+ * @param stream_spec for type s, the stream specifier is written here
+ */
+static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
 {
     if (*arg) {
         *type = *arg;
@@ -3118,6 +3126,12 @@ static void parse_meta_type(char *arg, char *type, int *index)
         case 'g':
             break;
         case 's':
+            if (*(++arg) && *arg != ':') {
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
+                exit_program(1);
+            }
+            *stream_spec = *arg == ':' ? arg + 1 : "";
+            break;
         case 'c':
         case 'p':
             if (*(++arg) == ':')
@@ -3131,39 +3145,77 @@ static void parse_meta_type(char *arg, char *type, int *index)
         *type = 'g';
 }
 
-static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
+static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
 {
-    MetadataMap *m, *m1;
-    char *p;
-
-    o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
-                                   &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
-
-    m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
-    m->file = strtol(arg, &p, 0);
-    parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
+    AVDictionary **meta_in = NULL;
+    AVDictionary **meta_out;
+    int i, ret = 0;
+    char type_in, type_out;
+    const char *istream_spec = NULL, *ostream_spec = NULL;
+    int idx_in = 0, idx_out = 0;
 
-    m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
-    if (p = strchr(opt, ':'))
-        parse_meta_type(p + 1, &m1->type, &m1->index);
-    else
-        m1->type = 'g';
+    parse_meta_type(inspec,  &type_in,  &idx_in,  &istream_spec);
+    parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
 
-    if (m->type == 'g' || m1->type == 'g')
+    if (type_in == 'g' || type_out == 'g')
         o->metadata_global_manual = 1;
-    if (m->type == 's' || m1->type == 's')
+    if (type_in == 's' || type_out == 's')
         o->metadata_streams_manual = 1;
-    if (m->type == 'c' || m1->type == 'c')
+    if (type_in == 'c' || type_out == 'c')
         o->metadata_chapters_manual = 1;
 
-    return 0;
-}
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+    if ((index) < 0 || (index) >= (nb_elems)) {\
+        av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
+                (desc), (index));\
+        exit_program(1);\
+    }
+
+#define SET_DICT(type, meta, context, index)\
+        switch (type) {\
+        case 'g':\
+            meta = &context->metadata;\
+            break;\
+        case 'c':\
+            METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
+            meta = &context->chapters[index]->metadata;\
+            break;\
+        case 'p':\
+            METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
+            meta = &context->programs[index]->metadata;\
+            break;\
+        }\
+
+    SET_DICT(type_in, meta_in, ic, idx_in);
+    SET_DICT(type_out, meta_out, oc, idx_out);
+
+    /* for input streams choose first matching stream */
+    if (type_in == 's') {
+        for (i = 0; i < ic->nb_streams; i++) {
+            if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
+                meta_in = &ic->streams[i]->metadata;
+                break;
+            } else if (ret < 0)
+                exit_program(1);
+        }
+        if (!meta_in) {
+            av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match  any streams.\n", istream_spec);
+            exit_program(1);
+        }
+    }
 
-static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
-{
-    av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
-                    "Use -map_metadata instead.\n");
-    return opt_map_metadata(o, opt, arg);
+    if (type_out == 's') {
+        for (i = 0; i < oc->nb_streams; i++) {
+            if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
+                meta_out = &oc->streams[i]->metadata;
+                av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+            } else if (ret < 0)
+                exit_program(1);
+        }
+    } else
+        av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+
+    return 0;
 }
 
 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
@@ -4197,6 +4249,20 @@ static void opt_output_file(void *optctx, const char *filename)
         oc->loop_output = loop_output;
     }
 
+    /* copy metadata */
+    for (i = 0; i < o->nb_metadata_map; i++) {
+        char *p;
+        int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
+
+        if (in_file_index < 0)
+            continue;
+        if (in_file_index >= nb_input_files) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
+            exit_program(1);
+        }
+        copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
+    }
+
     /* copy chapters */
     if (o->chapters_input_file >= nb_input_files) {
         if (o->chapters_input_file == INT_MAX) {
@@ -4217,54 +4283,6 @@ static void opt_output_file(void *optctx, const char *filename)
         copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
                       !o->metadata_chapters_manual);
 
-    /* copy metadata */
-    for (i = 0; i < o->nb_meta_data_maps; i++) {
-        AVFormatContext *files[2];
-        AVDictionary    **meta[2];
-        int j;
-
-#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
-        if ((index) < 0 || (index) >= (nb_elems)) {\
-            av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
-                     (desc), (index));\
-            exit_program(1);\
-        }
-
-        int in_file_index = o->meta_data_maps[i][1].file;
-        if (in_file_index < 0)
-            continue;
-        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
-
-        files[0] = oc;
-        files[1] = input_files[in_file_index].ctx;
-
-        for (j = 0; j < 2; j++) {
-            MetadataMap *map = &o->meta_data_maps[i][j];
-
-            switch (map->type) {
-            case 'g':
-                meta[j] = &files[j]->metadata;
-                break;
-            case 's':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
-                meta[j] = &files[j]->streams[map->index]->metadata;
-                break;
-            case 'c':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
-                meta[j] = &files[j]->chapters[map->index]->metadata;
-                break;
-            case 'p':
-                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
-                meta[j] = &files[j]->programs[map->index]->metadata;
-                break;
-            default:
-                abort();
-            }
-        }
-
-        av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
-    }
-
     /* copy global metadata by default */
     if (!o->metadata_global_manual && nb_input_files){
         av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
@@ -4285,7 +4303,8 @@ static void opt_output_file(void *optctx, const char *filename)
     for (i = 0; i < o->nb_metadata; i++) {
         AVDictionary **m;
         char type, *val;
-        int index = 0;
+        const char *stream_spec;
+        int index = 0, j, ret;
 
         val = strchr(o->metadata[i].u.str, '=');
         if (!val) {
@@ -4295,31 +4314,34 @@ static void opt_output_file(void *optctx, const char *filename)
         }
         *val++ = 0;
 
-        parse_meta_type(o->metadata[i].specifier, &type, &index);
-        switch (type) {
-        case 'g':
-            m = &oc->metadata;
-            break;
-        case 's':
-            if (index < 0 || index >= oc->nb_streams) {
-                av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
-                exit_program(1);
+        parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
+        if (type == 's') {
+            for (j = 0; j < oc->nb_streams; j++) {
+                if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
+                    av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
+                } else if (ret < 0)
+                    exit_program(1);
             }
-            m = &oc->streams[index]->metadata;
-            break;
-        case 'c':
-            if (index < 0 || index >= oc->nb_chapters) {
-                av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+            printf("ret %d, stream_spec %s\n", ret, stream_spec);
+        }
+        else {
+            switch (type) {
+            case 'g':
+                m = &oc->metadata;
+                break;
+            case 'c':
+                if (index < 0 || index >= oc->nb_chapters) {
+                    av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+                    exit_program(1);
+                }
+                m = &oc->chapters[index]->metadata;
+                break;
+            default:
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
                 exit_program(1);
             }
-            m = &oc->chapters[index]->metadata;
-            break;
-        default:
-            av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
-            exit_program(1);
+            av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
         }
-
-        av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
     }
 
     reset_options(o, 0);
@@ -4679,9 +4701,7 @@ static const OptionDef options[] = {
     { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
     { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
     { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
-    { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
-      "outfile[,metadata]:infile[,metadata]" },
-    { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
+    { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
       "outfile[,metadata]:infile[,metadata]" },
     { "map_chapters",  OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)},  "set chapters mapping", "input_file_index" },
     { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
diff --git a/libavcodec/arm/rv40dsp_init_neon.c b/libavcodec/arm/rv40dsp_init_neon.c
index 59dddb6605..898b841344 100644
--- a/libavcodec/arm/rv40dsp_init_neon.c
+++ b/libavcodec/arm/rv40dsp_init_neon.c
@@ -61,6 +61,13 @@ int ff_rv40_v_loop_filter_strength_neon(uint8_t *src, int stride,
                                         int beta, int beta2, int edge,
                                         int *p1, int *q1);
 
+void ff_rv40_h_weak_loop_filter_neon(uint8_t *src, int stride, int filter_p1,
+                                     int filter_q1, int alpha, int beta,
+                                     int lim_p0q0, int lim_q1, int lim_p1);
+void ff_rv40_v_weak_loop_filter_neon(uint8_t *src, int stride, int filter_p1,
+                                     int filter_q1, int alpha, int beta,
+                                     int lim_p0q0, int lim_q1, int lim_p1);
+
 void ff_rv40dsp_init_neon(RV34DSPContext *c, DSPContext* dsp)
 {
     c->put_pixels_tab[0][ 1] = ff_put_rv40_qpel16_mc10_neon;
@@ -126,4 +133,6 @@ void ff_rv40dsp_init_neon(RV34DSPContext *c, DSPContext* dsp)
 
     c->rv40_loop_filter_strength[0] = ff_rv40_h_loop_filter_strength_neon;
     c->rv40_loop_filter_strength[1] = ff_rv40_v_loop_filter_strength_neon;
+    c->rv40_weak_loop_filter[0]     = ff_rv40_h_weak_loop_filter_neon;
+    c->rv40_weak_loop_filter[1]     = ff_rv40_v_weak_loop_filter_neon;
 }
diff --git a/libavcodec/arm/rv40dsp_neon.S b/libavcodec/arm/rv40dsp_neon.S
index d9e1b7c959..f68f38234a 100644
--- a/libavcodec/arm/rv40dsp_neon.S
+++ b/libavcodec/arm/rv40dsp_neon.S
@@ -808,3 +808,113 @@ function ff_rv40_v_loop_filter_strength_neon, export=1
         vmov.u16        r0,  d0[0]
         bx              lr
 endfunc
+
+.macro  rv40_weak_loop_filter
+        vdup.16         d30, r2                 @ filter_p1
+        vdup.16         d31, r3                 @ filter_q1
+        ldrd            r2,  r3,  [sp]
+        vdup.16         d28, r2                 @ alpha
+        vdup.16         d29, r3                 @ beta
+        ldr             r12, [sp, #8]
+        vdup.16         d25, r12                @ lim_p0q0
+        ldrd            r2,  r3,  [sp, #12]
+        vsubl.u8        q9,  d5,  d4            @ x, t
+        vabdl.u8        q8,  d5,  d4            @ x, abs(t)
+        vneg.s16        q15, q15
+        vceq.i16        d16, d19, #0            @ !t
+        vshl.s16        d19, d19, #2            @ t << 2
+        vmul.u16        d18, d17, d28           @ alpha * abs(t)
+        vand            d24, d30, d31           @ filter_p1 & filter_q1
+        vsubl.u8        q1,  d0,  d4            @ p1p2, p1p0
+        vsubl.u8        q3,  d1,  d5            @ q1q2, q1q0
+        vmov.i16        d22, #3
+        vshr.u16        d18, d18, #7
+        vadd.i16        d22, d22, d24           @ 3 - (filter_p1 & filter_q1)
+        vsubl.u8        q10, d0,  d1            @ src[-2] - src[1]
+        vcle.u16        d18, d18, d22
+        vand            d20, d20, d24
+        vneg.s16        d23, d25                @ -lim_p0q0
+        vadd.s16        d19, d19, d20
+        vbic            d16, d18, d16           @ t && u <= 3 - (fp1 & fq1)
+        vtrn.32         d4,  d5                 @ -3,  2, -1,  0
+        vrshr.s16       d19, d19, #3
+        vmov            d28, d29                @ beta
+        vswp            d3,  d6                 @ q1q2, p1p0
+        vmin.s16        d19, d19, d25
+        vand            d30, d30, d16
+        vand            d31, d31, d16
+        vadd.s16        q10, q1,  q3            @ p1p2 + p1p0, q1q2 + q1q0
+        vmax.s16        d19, d19, d23           @ diff
+        vabs.s16        q1,  q1                 @ abs(p1p2), abs(q1q2)
+        vand            d18, d19, d16           @ diff
+        vcle.u16        q1,  q1,  q14
+        vneg.s16        d19, d18                @ -diff
+        vdup.16         d26, r3                 @ lim_p1
+        vaddw.u8        q2,  q9,  d5            @ src[-1]+diff, src[0]-diff
+        vhsub.s16       q11, q10, q9
+        vand            q1,  q1,  q15
+        vqmovun.s16     d4,  q2                 @ -1,  0
+        vand            q9,  q11, q1
+        vdup.16         d27, r2                 @ lim_q1
+        vneg.s16        q9,  q9
+        vneg.s16        q14, q13
+        vmin.s16        q9,  q9,  q13
+        vtrn.32         d0,  d1                 @ -2,  1,  -2,  1
+        vmax.s16        q9,  q9,  q14
+        vaddw.u8        q3,  q9,  d0
+        vqmovun.s16     d5,  q3                 @ -2,  1
+.endm
+
+function ff_rv40_h_weak_loop_filter_neon, export=1
+        sub             r0,  r0,  r1,  lsl #1
+        sub             r0,  r0,  r1
+
+        vld1.32         {d4[]},   [r0,:32], r1
+        vld1.32         {d0[]},   [r0,:32], r1
+        vld1.32         {d4[1]},  [r0,:32], r1
+        vld1.32         {d5[]},   [r0,:32], r1
+        vld1.32         {d1[]},   [r0,:32], r1
+        vld1.32         {d5[0]},  [r0,:32]
+
+        sub             r0,  r0,  r1,  lsl #2
+
+        rv40_weak_loop_filter
+
+        vst1.32         {d5[0]},  [r0,:32], r1
+        vst1.32         {d4[0]},  [r0,:32], r1
+        vst1.32         {d4[1]},  [r0,:32], r1
+        vst1.32         {d5[1]},  [r0,:32], r1
+
+        bx              lr
+endfunc
+
+function ff_rv40_v_weak_loop_filter_neon, export=1
+        sub             r12, r0,  #3
+        sub             r0,  r0,  #2
+
+        vld1.8          {d4},     [r12], r1
+        vld1.8          {d5},     [r12], r1
+        vld1.8          {d2},     [r12], r1
+        vld1.8          {d3},     [r12], r1
+
+        vtrn.16         q2,  q1
+        vtrn.8          d4,  d5
+        vtrn.8          d2,  d3
+
+        vrev64.32       d5,  d5
+        vtrn.32         q2,  q1
+        vdup.32         d0,  d3[0]
+        vdup.32         d1,  d2[0]
+
+        rv40_weak_loop_filter
+
+        vtrn.32         q2,  q3
+        vswp            d4,  d5
+
+        vst4.8          {d4[0],d5[0],d6[0],d7[0]}, [r0], r1
+        vst4.8          {d4[1],d5[1],d6[1],d7[1]}, [r0], r1
+        vst4.8          {d4[2],d5[2],d6[2],d7[2]}, [r0], r1
+        vst4.8          {d4[3],d5[3],d6[3],d7[3]}, [r0], r1
+
+        bx              lr
+endfunc
diff --git a/libavcodec/dv.c b/libavcodec/dv.c
index 787bd6511e..a05928801d 100644
--- a/libavcodec/dv.c
+++ b/libavcodec/dv.c
@@ -37,7 +37,7 @@
  * @file
  * DV codec.
  */
-#define ALT_BITSTREAM_READER
+
 #include "libavutil/pixdesc.h"
 #include "avcodec.h"
 #include "dsputil.h"
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index d4d81375b1..46620410e3 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -133,12 +133,12 @@ for examples see get_bits, show_bits, skip_bits, get_vlc
 
 # ifdef ALT_BITSTREAM_READER_LE
 #   define UPDATE_CACHE(name, gb) \
-    name##_cache = AV_RL32(((const uint8_t *)(gb)->buffer)+(name##_index>>3)) >> (name##_index&0x07)
+    name##_cache = AV_RL32((gb)->buffer+(name##_index>>3)) >> (name##_index&0x07)
 
 #   define SKIP_CACHE(name, gb, num) name##_cache >>= (num)
 # else
 #   define UPDATE_CACHE(name, gb) \
-    name##_cache = AV_RB32(((const uint8_t *)(gb)->buffer)+(name##_index>>3)) << (name##_index&0x07)
+    name##_cache = AV_RB32((gb)->buffer+(name##_index>>3)) << (name##_index&0x07)
 
 #   define SKIP_CACHE(name, gb, num) name##_cache <<= (num)
 # endif
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 3919797038..d3b8bf5a12 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -35,7 +35,6 @@
 #include <stddef.h>
 #include <stdio.h>
 
-#define ALT_BITSTREAM_READER
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
diff --git a/libavcodec/proresdec_lgpl.c b/libavcodec/proresdec_lgpl.c
index 1e9b962790..5fe47755c2 100644
--- a/libavcodec/proresdec_lgpl.c
+++ b/libavcodec/proresdec_lgpl.c
@@ -28,7 +28,7 @@
  * @see http://wiki.multimedia.cx/index.php?title=Apple_ProRes
  */
 
-#define A32_BITSTREAM_READER // some ProRes vlc codes require up to 28 bits to be read at once
+#define LONG_BITSTREAM_READER // some ProRes vlc codes require up to 28 bits to be read at once
 
 #include <stdint.h>
 
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 1a8c25943f..8d9b804852 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -405,12 +405,12 @@ static inline int wv_get_value_integer(WavpackFrameContext *s, uint32_t *crc, in
     }
 
     bit = (S & s->and) | s->or;
-    bit = (((S + bit) << s->shift) - bit);
+    bit = (((S + bit) << s->shift) - bit) << s->post_shift;
 
     if(s->hybrid)
-        bit = av_clip(bit, -s->hybrid_maxclip, s->hybrid_maxclip - 1);
+        bit = av_clip(bit, -s->hybrid_maxclip - 1, s->hybrid_maxclip);
 
-    return bit << s->post_shift;
+    return bit;
 }
 
 static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S)
@@ -798,7 +798,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
     s->joint = s->frame_flags & WV_JOINT_STEREO;
     s->hybrid = s->frame_flags & WV_HYBRID_MODE;
     s->hybrid_bitrate = s->frame_flags & WV_HYBRID_BITRATE;
-    s->hybrid_maxclip = 1 << ((((s->frame_flags & 0x03) + 1) << 3) - 1);
+    s->hybrid_maxclip = (1LL << ((((s->frame_flags & 0x03) + 1) << 3) - 1)) - 1;
     s->post_shift = 8 * (bpp-1-(s->frame_flags&0x03)) + ((s->frame_flags >> 13) & 0x1f);
     s->CRC = AV_RL32(buf); buf += 4;
     if(wc->mkv_mode)
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 846c587cca..0fa472d0a2 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -665,7 +665,7 @@ static void new_pes_packet(PESContext *pes, AVPacket *pkt)
     pkt->size = pes->data_index;
 
     if(pes->total_size != MAX_PES_PAYLOAD &&
-       pes->pes_header_size + pes->data_index != pes->total_size + 6) {
+       pes->pes_header_size + pes->data_index != pes->total_size + PES_START_SIZE) {
         av_log(pes->stream, AV_LOG_WARNING, "PES packet size mismatch\n");
         pes->flags |= AV_PKT_FLAG_CORRUPT;
     }
@@ -948,9 +948,9 @@ static int mpegts_push_data(MpegTSFilter *filter,
              * decreases demuxer delay for infrequent packets like subtitles from
              * a couple of seconds to milliseconds for properly muxed files.
              * total_size is the number of bytes following pes_packet_length
-             * in the pes header, i.e. not counting the first 6 bytes */
+             * in the pes header, i.e. not counting the first PES_START_SIZE bytes */
             if (!ts->stop_parse && pes->total_size < MAX_PES_PAYLOAD &&
-                pes->pes_header_size + pes->data_index == pes->total_size + 6) {
+                pes->pes_header_size + pes->data_index == pes->total_size + PES_START_SIZE) {
                 ts->stop_parse = 1;
                 new_pes_packet(pes, ts->pkt);
             }
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index 80ae5fc287..1065d79fc9 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -210,6 +210,27 @@ static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, c
     }
 }
 
+static int packed_16bpc_bswap(SwsContext *c, const uint8_t* src[],
+                              int srcStride[], int srcSliceY, int srcSliceH,
+                              uint8_t* dst[], int dstStride[])
+{
+    int i, j;
+    int srcstr = srcStride[0] >> 1;
+    int dststr = dstStride[0] >> 1;
+    uint16_t       *dstPtr =       (uint16_t *)dst[0];
+    const uint16_t *srcPtr = (const uint16_t *)src[0];
+
+    for (i = 0; i < srcSliceH; i++) {
+        for (j = 0; j < srcstr; j++) {
+            dstPtr[j] = av_bswap16(srcPtr[j]);
+        }
+        srcPtr += srcstr;
+        dstPtr += dststr;
+    }
+
+    return srcSliceH;
+}
+
 static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
                            int srcSliceH, uint8_t* dst[], int dstStride[])
 {
@@ -676,6 +697,15 @@ void ff_get_unscaled_swscale(SwsContext *c)
     if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))
         c->swScale= bgr24ToYv12Wrapper;
 
+    /* bswap 16 bits per component packed formats */
+    if ((srcFormat == PIX_FMT_RGB48LE  && dstFormat == PIX_FMT_RGB48BE)  ||
+        (srcFormat == PIX_FMT_RGB48BE  && dstFormat == PIX_FMT_RGB48LE)  ||
+        (srcFormat == PIX_FMT_BGR48LE  && dstFormat == PIX_FMT_BGR48BE)  ||
+        (srcFormat == PIX_FMT_BGR48BE  && dstFormat == PIX_FMT_BGR48LE)  ||
+        (srcFormat == PIX_FMT_GRAY16LE && dstFormat == PIX_FMT_GRAY16BE) ||
+        (srcFormat == PIX_FMT_GRAY16BE && dstFormat == PIX_FMT_GRAY16LE))
+        c->swScale = packed_16bpc_bswap;
+
     /* RGB/BGR -> RGB/BGR (no dither needed forms) */
     if (   isAnyRGB(srcFormat)
         && isAnyRGB(dstFormat)