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Diffstat (limited to 'plugins/liboggedit/oggedit_utils.c')
| -rw-r--r-- | plugins/liboggedit/oggedit_utils.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/plugins/liboggedit/oggedit_utils.c b/plugins/liboggedit/oggedit_utils.c new file mode 100644 index 00000000..03e753a8 --- /dev/null +++ b/plugins/liboggedit/oggedit_utils.c @@ -0,0 +1,125 @@ +/* + This file is part of Deadbeef Player source code + http://deadbeef.sourceforge.net + + DeaDBeeF Ogg Edit library miscellaneous functions + + Copyright (C) 2014 Ian Nartowicz <deadbeef@nartowicz.co.uk> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <stdbool.h> +#include <ctype.h> + +uint8_t *oggedit_vorbis_channel_map(const int channel_count) +{ + size_t map_size = channel_count * sizeof(uint8_t); + uint8_t *map = malloc(map_size); + if (!map) + return NULL; + switch(channel_count) { + case 3: + return memcpy(map, &(uint8_t[]){0,2,1}, map_size); + case 5: + return memcpy(map, &(uint8_t[]){0,2,1,3,4}, map_size); + case 6: + return memcpy(map, &(uint8_t[]){0,2,1,4,5,3}, map_size); + case 7: + return memcpy(map, &(uint8_t[]){0,2,1,4,5,6,3}, map_size); + case 8: + return memcpy(map, &(uint8_t[]){0,2,1,6,7,4,5,3}, map_size); + default: + free(map); + return NULL; + } +} + +const char *oggedit_map_tag(char *key, const char *in_or_out) +{ + typedef struct { + const char *tag; + const char *meta; + } key_t; + const key_t keys[] = { + /* Permanent named tags in DeaDBeef */ +// {.tag = "ARTIST", .meta = "artist"}, +// {.tag = "TITLE", .meta = "title"}, +// {.tag = "ALBUM", .meta = "album"}, + {.tag = "DATE", .meta = "year"}, + {.tag = "TRACKNUMBER", .meta = "track"}, + {.tag = "TRACKTOTAL", .meta = "numtracks"}, +// {.tag = "GENRE", .meta = "genre"}, +// {.tag = "COMPOSER", .meta = "composer"}, + {.tag = "DISCNUMBER", .meta = "disc"}, +// {.tag = "COMMENT", .meta = "comment"}, + /* Vorbis standard tags */ +// {.tag = "ARRANGER", .meta = "Arranger"}, +// {.tag = "AUTHOR", .meta = "Author"}, +// {.tag = "CONDUCTOR", .meta = "Conductor"}, +// {.tag = "ENSEMBLE", .meta = "Ensemble"}, +// {.tag = "LYRICIST", .meta = "Lyricist"}, +// {.tag = "PERFORMER", .meta = "Performer"}, +// {.tag = "PUBLISHER", .meta = "Publisher"}, +// {.tag = "DISCTOTAL", .meta = "Disctotal"}, +// {.tag = "OPUS", .meta = "Opus"}, +// {.tag = "PART", .meta = "Part"}, +// {.tag = "PARTNUMBER", .meta = "Partnumber"}, +// {.tag = "VERSION", .meta = "Version"}, +// {.tag = "DESCRIPTION", .meta = "Description"}, +// {.tag = "COPYRIGHT", .meta = "Copyright"}, +// {.tag = "LICENSE", .meta = "License"}, +// {.tag = "CONTACT", .meta = "Contact"}, +// {.tag = "ORGANIZATION", .meta = "Organization"}, +// {.tag = "LOCATION", .meta = "Location"}, +// {.tag = "EAN/UPN", .meta = "EAN/UPN"}, +// {.tag = "ISRC", .meta = "ISRC"}, +// {.tag = "LABEL", .meta = "Label"}, +// {.tag = "LABELNO", .meta = "Labelno"}, +// {.tag = "ENCODER", .meta = "Encoder"}, +// {.tag = "ENCODED-BY", .meta = "Encoded-by"}, +// {.tag = "ENCODING", .meta = "Encoding"}, + /* Other tags */ +// {.tag = "ALBUMARTIST", .meta = "Albumartist"}, +// {.tag = "ALBUM ARTIST", .meta = "Album artist"}, +// {.tag = "BAND", .meta = "Band"}, +// {.tag = "COMPILATION", .meta = "Compilation"}, +// {.tag = "TOTALTRACKS", .meta = "Totaltracks"}, +// {.tag = "ENCODED_BY", .meta = "Encoded_by"}, +// {.tag = "ENCODER_OPTIONS",.meta = "Encoder_options"}, + {.tag = NULL} + }; + + /* Mapping for special Deadbeef internal metadata */ + for (const key_t *match = keys; match->tag; match++) + if (!strcasecmp(*in_or_out == 't' ? match->tag : match->meta, key)) + return *in_or_out == 't' ? match->meta : match->tag; + + /* Upper-case all Vorbis Comment tag names */ + if (*in_or_out == 'm') + for (size_t i = 0; key[i]; i++) + key[i] = toupper(key[i]); + + return key; +} |