Revert removial of 3 files, this sliped through the last merge into oldabi because

the files where locally available during testing just not in git.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

3 files changed, 294 insertions, 0 deletions

diff --git a/libavcodec/opt.c b/libavcodec/opt.c
new file mode 100644
index 0000000000..f41fae0ba1
--- /dev/null
+++ b/libavcodec/opt.c
@@ -0,0 +1,89 @@
+/*
+ * AVOptions ABI compatibility wrapper
+ * Copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avcodec.h"
+#include "opt.h"
+
+#if LIBAVCODEC_VERSION_MAJOR < 53 && CONFIG_SHARED && HAVE_SYMVER
+
+FF_SYMVER(const AVOption *, av_find_opt, (void *obj, const char *name, const char *unit, int mask, int flags), "LIBAVCODEC_52"){
+    return av_find_opt(obj, name, unit, mask, flags);
+}
+FF_SYMVER(int, av_set_string3, (void *obj, const char *name, const char *val, int alloc, const AVOption **o_out), "LIBAVCODEC_52"){
+    return av_set_string3(obj, name, val, alloc, o_out);
+}
+FF_SYMVER(const AVOption *, av_set_double, (void *obj, const char *name, double n), "LIBAVCODEC_52"){
+    return av_set_double(obj, name, n);
+}
+FF_SYMVER(const AVOption *, av_set_q, (void *obj, const char *name, AVRational n), "LIBAVCODEC_52"){
+    return av_set_q(obj, name, n);
+}
+FF_SYMVER(const AVOption *, av_set_int, (void *obj, const char *name, int64_t n), "LIBAVCODEC_52"){
+    return av_set_int(obj, name, n);
+}
+FF_SYMVER(double, av_get_double, (void *obj, const char *name, const AVOption **o_out), "LIBAVCODEC_52"){
+    return av_get_double(obj, name, o_out);
+}
+FF_SYMVER(AVRational, av_get_q, (void *obj, const char *name, const AVOption **o_out), "LIBAVCODEC_52"){
+    return av_get_q(obj, name, o_out);
+}
+FF_SYMVER(int64_t, av_get_int, (void *obj, const char *name, const AVOption **o_out), "LIBAVCODEC_52"){
+    return av_get_int(obj, name, o_out);
+}
+FF_SYMVER(const char *, av_get_string, (void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len), "LIBAVCODEC_52"){
+    return av_get_string(obj, name, o_out, buf, buf_len);
+}
+FF_SYMVER(const AVOption *, av_next_option, (void *obj, const AVOption *last), "LIBAVCODEC_52"){
+    return av_next_option(obj, last);
+}
+FF_SYMVER(int, av_opt_show2, (void *obj, void *av_log_obj, int req_flags, int rej_flags), "LIBAVCODEC_52"){
+    return av_opt_show2(obj, av_log_obj, req_flags, rej_flags);
+}
+FF_SYMVER(void, av_opt_set_defaults, (void *s), "LIBAVCODEC_52"){
+    return av_opt_set_defaults(s);
+}
+FF_SYMVER(void, av_opt_set_defaults2, (void *s, int mask, int flags), "LIBAVCODEC_52"){
+    return av_opt_set_defaults2(s, mask, flags);
+}
+#endif
+
+#if FF_API_SET_STRING_OLD
+const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc){
+    const AVOption *o;
+    if (av_set_string3(obj, name, val, alloc, &o) < 0)
+        return NULL;
+    return o;
+}
+
+const AVOption *av_set_string(void *obj, const char *name, const char *val){
+    const AVOption *o;
+    if (av_set_string3(obj, name, val, 0, &o) < 0)
+        return NULL;
+    return o;
+}
+#endif
+
+#if FF_API_OPT_SHOW
+int av_opt_show(void *obj, void *av_log_obj){
+    return av_opt_show2(obj, av_log_obj,
+                        AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+}
+#endif
diff --git a/libavformat/metadata_compat.c b/libavformat/metadata_compat.c
new file mode 100644
index 0000000000..19b8f59df1
--- /dev/null
+++ b/libavformat/metadata_compat.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2009  Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <strings.h>
+#include "avformat.h"
+#include "metadata.h"
+#include "libavutil/avstring.h"
+
+#if FF_API_OLD_METADATA
+
+#define SIZE_OFFSET(x) sizeof(((AVFormatContext*)0)->x),offsetof(AVFormatContext,x)
+
+static const struct {
+    const char name[16];
+    int   size;
+    int   offset;
+} compat_tab[] = {
+    { "title",           SIZE_OFFSET(title)     },
+    { "author",          SIZE_OFFSET(author)    },
+    { "copyright",       SIZE_OFFSET(copyright) },
+    { "comment",         SIZE_OFFSET(comment)   },
+    { "album",           SIZE_OFFSET(album)     },
+    { "year",            SIZE_OFFSET(year)      },
+    { "track",           SIZE_OFFSET(track)     },
+    { "genre",           SIZE_OFFSET(genre)     },
+
+    { "artist",          SIZE_OFFSET(author)    },
+    { "creator",         SIZE_OFFSET(author)    },
+    { "written_by",      SIZE_OFFSET(author)    },
+    { "lead_performer",  SIZE_OFFSET(author)    },
+    { "composer",        SIZE_OFFSET(author)    },
+    { "performer",       SIZE_OFFSET(author)    },
+    { "description",     SIZE_OFFSET(comment)   },
+    { "albumtitle",      SIZE_OFFSET(album)     },
+    { "date",            SIZE_OFFSET(year)      },
+    { "date_written",    SIZE_OFFSET(year)      },
+    { "date_released",   SIZE_OFFSET(year)      },
+    { "tracknumber",     SIZE_OFFSET(track)     },
+    { "part_number",     SIZE_OFFSET(track)     },
+};
+
+void ff_metadata_demux_compat(AVFormatContext *ctx)
+{
+    AVMetadata *m;
+    int i, j;
+
+    if ((m = ctx->metadata))
+        for (j=0; j<m->count; j++)
+            for (i=0; i<FF_ARRAY_ELEMS(compat_tab); i++)
+                if (!strcasecmp(m->elems[j].key, compat_tab[i].name)) {
+                    int *ptr = (int *)((char *)ctx+compat_tab[i].offset);
+                    if (*ptr)  continue;
+                    if (compat_tab[i].size > sizeof(int))
+                        av_strlcpy((char *)ptr, m->elems[j].value, compat_tab[i].size);
+                    else
+                        *ptr = atoi(m->elems[j].value);
+                }
+
+    for (i=0; i<ctx->nb_chapters; i++)
+        if ((m = ctx->chapters[i]->metadata))
+            for (j=0; j<m->count; j++)
+                if (!strcasecmp(m->elems[j].key, "title")) {
+                    av_free(ctx->chapters[i]->title);
+                    ctx->chapters[i]->title = av_strdup(m->elems[j].value);
+                }
+
+    for (i=0; i<ctx->nb_programs; i++)
+        if ((m = ctx->programs[i]->metadata))
+            for (j=0; j<m->count; j++) {
+                if (!strcasecmp(m->elems[j].key, "name")) {
+                    av_free(ctx->programs[i]->name);
+                    ctx->programs[i]->name = av_strdup(m->elems[j].value);
+                }
+                if (!strcasecmp(m->elems[j].key, "provider_name")) {
+                    av_free(ctx->programs[i]->provider_name);
+                    ctx->programs[i]->provider_name = av_strdup(m->elems[j].value);
+                }
+            }
+
+    for (i=0; i<ctx->nb_streams; i++)
+        if ((m = ctx->streams[i]->metadata))
+            for (j=0; j<m->count; j++) {
+                if (!strcasecmp(m->elems[j].key, "language"))
+                    av_strlcpy(ctx->streams[i]->language, m->elems[j].value, 4);
+                if (!strcasecmp(m->elems[j].key, "filename")) {
+                    av_free(ctx->streams[i]->filename);
+                    ctx->streams[i]->filename= av_strdup(m->elems[j].value);
+                }
+            }
+}
+
+
+#define FILL_METADATA(s, key, value) {                                        \
+    if (!av_metadata_get(s->metadata, #key, NULL, 0))                         \
+        av_metadata_set2(&s->metadata, #key, value, 0);                       \
+    }
+#define FILL_METADATA_STR(s, key) {                                           \
+    if (s->key && *s->key)  FILL_METADATA(s, key, s->key); }
+#define FILL_METADATA_INT(s, key) {                                           \
+    char number[10];                                                          \
+    snprintf(number, sizeof(number), "%d", s->key);                           \
+    if(s->key)  FILL_METADATA(s, key, number) }
+
+void ff_metadata_mux_compat(AVFormatContext *ctx)
+{
+    int i;
+
+    if (ctx->metadata && ctx->metadata->count > 0)
+        return;
+
+    FILL_METADATA_STR(ctx, title);
+    FILL_METADATA_STR(ctx, author);
+    FILL_METADATA_STR(ctx, copyright);
+    FILL_METADATA_STR(ctx, comment);
+    FILL_METADATA_STR(ctx, album);
+    FILL_METADATA_INT(ctx, year);
+    FILL_METADATA_INT(ctx, track);
+    FILL_METADATA_STR(ctx, genre);
+    for (i=0; i<ctx->nb_chapters; i++)
+        FILL_METADATA_STR(ctx->chapters[i], title);
+    for (i=0; i<ctx->nb_programs; i++) {
+        FILL_METADATA_STR(ctx->programs[i], name);
+        FILL_METADATA_STR(ctx->programs[i], provider_name);
+    }
+    for (i=0; i<ctx->nb_streams; i++) {
+        FILL_METADATA_STR(ctx->streams[i], language);
+        FILL_METADATA_STR(ctx->streams[i], filename);
+    }
+}
+
+#endif /* FF_API_OLD_METADATA */
diff --git a/libavutil/sha1.h b/libavutil/sha1.h
new file mode 100644
index 0000000000..3ff58043ea
--- /dev/null
+++ b/libavutil/sha1.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_SHA1_H
+#define AVUTIL_SHA1_H
+
+#include <stdint.h>
+
+extern const int av_sha1_size;
+
+struct AVSHA1;
+
+/**
+ * Initialize SHA-1 hashing.
+ *
+ * @param context pointer to the function context (of size av_sha_size)
+ * @deprecated use av_sha_init() instead
+ */
+void av_sha1_init(struct AVSHA1* context);
+
+/**
+ * Update hash value.
+ *
+ * @param context hash function context
+ * @param data    input data to update hash with
+ * @param len     input data length
+ * @deprecated use av_sha_update() instead
+ */
+void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len);
+
+/**
+ * Finish hashing and output digest value.
+ *
+ * @param context hash function context
+ * @param digest  buffer where output digest value is stored
+ * @deprecated use av_sha_final() instead
+ */
+void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]);
+
+#endif /* AVUTIL_SHA1_H */