X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fmp3.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fmp3.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=cd515cf06fedd2bf3f69fa6a3283182eb199627e;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mp3.c b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mp3.c deleted file mode 100644 index cd515cf..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mp3.c +++ /dev/null @@ -1,397 +0,0 @@ -/* - * MP3 encoder and decoder - * Copyright (c) 2003 Fabrice Bellard. - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "avformat.h" - -#define ID3_HEADER_SIZE 10 -#define ID3_TAG_SIZE 128 - -#define ID3_GENRE_MAX 125 - -static const char *id3_genre_str[ID3_GENRE_MAX + 1] = { - [0] = "Blues", - [1] = "Classic Rock", - [2] = "Country", - [3] = "Dance", - [4] = "Disco", - [5] = "Funk", - [6] = "Grunge", - [7] = "Hip-Hop", - [8] = "Jazz", - [9] = "Metal", - [10] = "New Age", - [11] = "Oldies", - [12] = "Other", - [13] = "Pop", - [14] = "R&B", - [15] = "Rap", - [16] = "Reggae", - [17] = "Rock", - [18] = "Techno", - [19] = "Industrial", - [20] = "Alternative", - [21] = "Ska", - [22] = "Death Metal", - [23] = "Pranks", - [24] = "Soundtrack", - [25] = "Euro-Techno", - [26] = "Ambient", - [27] = "Trip-Hop", - [28] = "Vocal", - [29] = "Jazz+Funk", - [30] = "Fusion", - [31] = "Trance", - [32] = "Classical", - [33] = "Instrumental", - [34] = "Acid", - [35] = "House", - [36] = "Game", - [37] = "Sound Clip", - [38] = "Gospel", - [39] = "Noise", - [40] = "AlternRock", - [41] = "Bass", - [42] = "Soul", - [43] = "Punk", - [44] = "Space", - [45] = "Meditative", - [46] = "Instrumental Pop", - [47] = "Instrumental Rock", - [48] = "Ethnic", - [49] = "Gothic", - [50] = "Darkwave", - [51] = "Techno-Industrial", - [52] = "Electronic", - [53] = "Pop-Folk", - [54] = "Eurodance", - [55] = "Dream", - [56] = "Southern Rock", - [57] = "Comedy", - [58] = "Cult", - [59] = "Gangsta", - [60] = "Top 40", - [61] = "Christian Rap", - [62] = "Pop/Funk", - [63] = "Jungle", - [64] = "Native American", - [65] = "Cabaret", - [66] = "New Wave", - [67] = "Psychadelic", - [68] = "Rave", - [69] = "Showtunes", - [70] = "Trailer", - [71] = "Lo-Fi", - [72] = "Tribal", - [73] = "Acid Punk", - [74] = "Acid Jazz", - [75] = "Polka", - [76] = "Retro", - [77] = "Musical", - [78] = "Rock & Roll", - [79] = "Hard Rock", - [80] = "Folk", - [81] = "Folk-Rock", - [82] = "National Folk", - [83] = "Swing", - [84] = "Fast Fusion", - [85] = "Bebob", - [86] = "Latin", - [87] = "Revival", - [88] = "Celtic", - [89] = "Bluegrass", - [90] = "Avantgarde", - [91] = "Gothic Rock", - [92] = "Progressive Rock", - [93] = "Psychedelic Rock", - [94] = "Symphonic Rock", - [95] = "Slow Rock", - [96] = "Big Band", - [97] = "Chorus", - [98] = "Easy Listening", - [99] = "Acoustic", - [100] = "Humour", - [101] = "Speech", - [102] = "Chanson", - [103] = "Opera", - [104] = "Chamber Music", - [105] = "Sonata", - [106] = "Symphony", - [107] = "Booty Bass", - [108] = "Primus", - [109] = "Porn Groove", - [110] = "Satire", - [111] = "Slow Jam", - [112] = "Club", - [113] = "Tango", - [114] = "Samba", - [115] = "Folklore", - [116] = "Ballad", - [117] = "Power Ballad", - [118] = "Rhythmic Soul", - [119] = "Freestyle", - [120] = "Duet", - [121] = "Punk Rock", - [122] = "Drum Solo", - [123] = "A capella", - [124] = "Euro-House", - [125] = "Dance Hall", -}; - -/* buf must be ID3_HEADER_SIZE byte long */ -static int id3_match(const uint8_t *buf) -{ - return (buf[0] == 'I' && - buf[1] == 'D' && - buf[2] == '3' && - buf[3] != 0xff && - buf[4] != 0xff && - (buf[6] & 0x80) == 0 && - (buf[7] & 0x80) == 0 && - (buf[8] & 0x80) == 0 && - (buf[9] & 0x80) == 0); -} - -static void id3_get_string(char *str, int str_size, - const uint8_t *buf, int buf_size) -{ - int i, c; - char *q; - - q = str; - for(i = 0; i < buf_size; i++) { - c = buf[i]; - if (c == '\0') - break; - if ((q - str) >= str_size - 1) - break; - *q++ = c; - } - *q = '\0'; -} - -/* 'buf' must be ID3_TAG_SIZE byte long */ -static int id3_parse_tag(AVFormatContext *s, const uint8_t *buf) -{ - char str[5]; - int genre; - - if (!(buf[0] == 'T' && - buf[1] == 'A' && - buf[2] == 'G')) - return -1; - id3_get_string(s->title, sizeof(s->title), buf + 3, 30); - id3_get_string(s->author, sizeof(s->author), buf + 33, 30); - id3_get_string(s->album, sizeof(s->album), buf + 63, 30); - id3_get_string(str, sizeof(str), buf + 93, 4); - s->year = atoi(str); - id3_get_string(s->comment, sizeof(s->comment), buf + 97, 30); - if (buf[125] == 0 && buf[126] != 0) - s->track = buf[126]; - genre = buf[127]; - if (genre <= ID3_GENRE_MAX) - pstrcpy(s->genre, sizeof(s->genre), id3_genre_str[genre]); - return 0; -} - -static void id3_create_tag(AVFormatContext *s, uint8_t *buf) -{ - int v, i; - - memset(buf, 0, ID3_TAG_SIZE); /* fail safe */ - buf[0] = 'T'; - buf[1] = 'A'; - buf[2] = 'G'; - strncpy(buf + 3, s->title, 30); - strncpy(buf + 33, s->author, 30); - strncpy(buf + 63, s->album, 30); - v = s->year; - if (v > 0) { - for(i = 0;i < 4; i++) { - buf[96 - i] = '0' + (v % 10); - v = v / 10; - } - } - strncpy(buf + 97, s->comment, 30); - if (s->track != 0) { - buf[125] = 0; - buf[126] = s->track; - } - for(i = 0; i <= ID3_GENRE_MAX; i++) { - if (!strcasecmp(s->genre, id3_genre_str[i])) { - buf[127] = i; - break; - } - } -} - -/* mp3 read */ -static int mp3_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - uint8_t buf[ID3_TAG_SIZE]; - int len, ret, filesize; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - st->codec.codec_type = CODEC_TYPE_AUDIO; - st->codec.codec_id = CODEC_ID_MP3; - - /* try to get the TAG */ - if (!url_is_streamed(&s->pb)) { - /* XXX: change that */ - filesize = url_filesize(url_fileno(&s->pb)); - if (filesize > 128) { - url_fseek(&s->pb, filesize - 128, SEEK_SET); - ret = get_buffer(&s->pb, buf, ID3_TAG_SIZE); - if (ret == ID3_TAG_SIZE) { - id3_parse_tag(s, buf); - } - url_fseek(&s->pb, 0, SEEK_SET); - } - } - - /* if ID3 header found, skip it */ - ret = get_buffer(&s->pb, buf, ID3_HEADER_SIZE); - if (ret != ID3_HEADER_SIZE) - return -1; - if (id3_match(buf)) { - /* skip ID3 header */ - len = ((buf[6] & 0x7f) << 21) | - ((buf[7] & 0x7f) << 14) | - ((buf[8] & 0x7f) << 7) | - (buf[9] & 0x7f); - url_fskip(&s->pb, len); - } else { - url_fseek(&s->pb, 0, SEEK_SET); - } - - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -#define MP3_PACKET_SIZE 1024 - -static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - int ret, size; - // AVStream *st = s->streams[0]; - - size= MP3_PACKET_SIZE; - - if (av_new_packet(pkt, size) < 0) - return -EIO; - - pkt->stream_index = 0; - ret = get_buffer(&s->pb, pkt->data, size); - if (ret <= 0) { - av_free_packet(pkt); - return -EIO; - } - /* note: we need to modify the packet size here to handle the last - packet */ - pkt->size = ret; - return ret; -} - -static int mp3_read_close(AVFormatContext *s) -{ - return 0; -} - -/* simple formats */ -static int mp3_write_header(struct AVFormatContext *s) -{ - return 0; -} - -static int mp3_write_packet(struct AVFormatContext *s, int stream_index, - const uint8_t *buf, int size, int64_t pts) -{ - put_buffer(&s->pb, buf, size); - put_flush_packet(&s->pb); - return 0; -} - -static int mp3_write_trailer(struct AVFormatContext *s) -{ - uint8_t buf[ID3_TAG_SIZE]; - - /* write the id3 header */ - if (s->title[0] != '\0') { - id3_create_tag(s, buf); - put_buffer(&s->pb, buf, ID3_TAG_SIZE); - put_flush_packet(&s->pb); - } - return 0; -} - -AVInputFormat mp3_iformat = { - "mp3", - "MPEG audio", - 0, - NULL, - mp3_read_header, - mp3_read_packet, - mp3_read_close, - .extensions = "mp2,mp3", /* XXX: use probe */ -}; - -AVOutputFormat mp2_oformat = { - "mp2", - "MPEG audio layer 2", - "audio/x-mpeg", -#ifdef CONFIG_MP3LAME - "mp2", -#else - "mp2,mp3", -#endif - 0, - CODEC_ID_MP2, - 0, - mp3_write_header, - mp3_write_packet, - mp3_write_trailer, -}; - -#ifdef CONFIG_MP3LAME -AVOutputFormat mp3_oformat = { - "mp3", - "MPEG audio layer 3", - "audio/x-mpeg", - "mp3", - 0, - CODEC_ID_MP3, - 0, - mp3_write_header, - mp3_write_packet, - mp3_write_trailer, -}; -#endif - -int mp3_init(void) -{ - av_register_input_format(&mp3_iformat); - av_register_output_format(&mp2_oformat); -#ifdef CONFIG_MP3LAME - av_register_output_format(&mp3_oformat); -#endif - return 0; -}