diff options
Diffstat (limited to 'stream/stream_cddb.c')
| -rw-r--r-- | stream/stream_cddb.c | 902 |
1 files changed, 0 insertions, 902 deletions
diff --git a/stream/stream_cddb.c b/stream/stream_cddb.c deleted file mode 100644 index 5a6ba4e280..0000000000 --- a/stream/stream_cddb.c +++ /dev/null @@ -1,902 +0,0 @@ -/* - * CDDB HTTP protocol - * - * Copyright (C) 2002 Bertrand Baudet <bertrand_baudet@yahoo.com> - * - * Implementation follow the freedb.howto1.06.txt specification - * from http://freedb.freedb.org - * - * discid computation by Jeremy D. Zawodny - * Copyright (c) 1998-2000 Jeremy D. Zawodny <Jeremy@Zawodny.com> - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <stdarg.h> -#include <errno.h> -#include <unistd.h> -#include <string.h> -#include <limits.h> -#include "osdep/io.h" -#if defined(__MINGW32__) || defined(__CYGWIN__) -#include <windows.h> -#if HAVE_WINSOCK2_H -#include <winsock2.h> -#endif -#else -#include <netdb.h> -#include <sys/ioctl.h> -#endif -#include <sys/types.h> -#include <sys/stat.h> - -#include "core/mp_msg.h" -#include "core/path.h" - -#if defined(__linux__) -#include <linux/cdrom.h> -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) -#include <sys/cdio.h> -#elif defined(__MINGW32__) || defined(__CYGWIN__) -#include <ntddcdrm.h> -#elif defined(__bsdi__) -#include <dvd.h> -#elif defined(__APPLE__) || defined(__DARWIN__) -#include <IOKit/storage/IOCDTypes.h> -#include <IOKit/storage/IOCDMediaBSDClient.h> -#include "compat/mpbswap.h" -#endif - -#include "cdd.h" -#include "core/mp_common.h" -#include "stream.h" -#include "network.h" -#include "libavutil/common.h" - -#define DEFAULT_FREEDB_SERVER "freedb.freedb.org" -#define DEFAULT_CACHE_DIR "/.cddb/" - -typedef struct { - char cddb_hello[1024]; - unsigned long disc_id; - unsigned int tracks; - char *cache_dir; - char *freedb_server; - int freedb_proto_level; - int anonymous; - char category[100]; - char *xmcd_file; - size_t xmcd_file_size; - void *user_data; -} cddb_data_t; - -typedef struct { - unsigned int min, sec, frame; -} cd_toc_t; - -static cd_toc_t cdtoc[100]; -static int cdtoc_last_track; - -static int read_toc(const char *dev) -{ - int first = 0, last = -1; - int i; -#if defined(__MINGW32__) || defined(__CYGWIN__) - HANDLE drive; - DWORD r; - CDROM_TOC toc; - char device[10]; - - snprintf(device, sizeof(device), "\\\\.\\%s", dev); - drive = CreateFile(device, GENERIC_READ, FILE_SHARE_READ, NULL, - OPEN_EXISTING, 0, 0); - - if (!DeviceIoControl(drive, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, - sizeof(CDROM_TOC), &r, 0)) { - mp_tmsg(MSGT_OPEN, MSGL_ERR, "Failed to read TOC.\n"); - return 0; - } - - first = toc.FirstTrack - 1; last = toc.LastTrack; - for (i = first; i <= last; i++) { - cdtoc[i].min = toc.TrackData[i].Address[1]; - cdtoc[i].sec = toc.TrackData[i].Address[2]; - cdtoc[i].frame = toc.TrackData[i].Address[3]; - } - CloseHandle(drive); - -#else - int drive; - drive = open(dev, O_RDONLY | O_NONBLOCK); - if (drive < 0) { - return drive; - } - -#if defined(__linux__) || defined(__bsdi__) - { - struct cdrom_tochdr tochdr; - ioctl(drive, CDROMREADTOCHDR, &tochdr); - first = tochdr.cdth_trk0 - 1; last = tochdr.cdth_trk1; - } - for (i = first; i <= last; i++) { - struct cdrom_tocentry tocentry; - tocentry.cdte_track = (i == last) ? 0xAA : i + 1; - tocentry.cdte_format = CDROM_MSF; - ioctl(drive, CDROMREADTOCENTRY, &tocentry); - cdtoc[i].min = tocentry.cdte_addr.msf.minute; - cdtoc[i].sec = tocentry.cdte_addr.msf.second; - cdtoc[i].frame = tocentry.cdte_addr.msf.frame; - } -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) - { - struct ioc_toc_header tochdr; - ioctl(drive, CDIOREADTOCHEADER, &tochdr); - first = tochdr.starting_track - 1; last = tochdr.ending_track; - } - for (i = first; i <= last; i++) { - struct ioc_read_toc_single_entry tocentry; - tocentry.track = (i == last) ? 0xAA : i + 1; - tocentry.address_format = CD_MSF_FORMAT; - ioctl(drive, CDIOREADTOCENTRY, &tocentry); - cdtoc[i].min = tocentry.entry.addr.msf.minute; - cdtoc[i].sec = tocentry.entry.addr.msf.second; - cdtoc[i].frame = tocentry.entry.addr.msf.frame; - } -#elif defined(__NetBSD__) || defined(__OpenBSD__) - { - struct ioc_toc_header tochdr; - ioctl(drive, CDIOREADTOCHEADER, &tochdr); - first = tochdr.starting_track - 1; last = tochdr.ending_track; - } - for (i = first; i <= last; i++) { - struct ioc_read_toc_entry tocentry; - struct cd_toc_entry toc_buffer; - tocentry.starting_track = (i == last) ? 0xAA : i + 1; - tocentry.address_format = CD_MSF_FORMAT; - tocentry.data = &toc_buffer; - tocentry.data_len = sizeof(toc_buffer); - ioctl(drive, CDIOREADTOCENTRYS, &tocentry); - cdtoc[i].min = toc_buffer.addr.msf.minute; - cdtoc[i].sec = toc_buffer.addr.msf.second; - cdtoc[i].frame = toc_buffer.addr.msf.frame; - } -#elif defined(__APPLE__) || defined(__DARWIN__) - { - dk_cd_read_toc_t tochdr; - uint8_t buf[4]; - uint8_t buf2[100 * sizeof(CDTOCDescriptor) + sizeof(CDTOC)]; - memset(&tochdr, 0, sizeof(tochdr)); - tochdr.bufferLength = sizeof(buf); - tochdr.buffer = &buf; - if (!ioctl(drive, DKIOCCDREADTOC, &tochdr) - && tochdr.bufferLength == sizeof(buf)) { - first = buf[2] - 1; - last = buf[3]; - } - if (last >= 0) { - memset(&tochdr, 0, sizeof(tochdr)); - tochdr.bufferLength = sizeof(buf2); - tochdr.buffer = &buf2; - tochdr.format = kCDTOCFormatTOC; - if (ioctl(drive, DKIOCCDREADTOC, &tochdr) - || tochdr.bufferLength < sizeof(CDTOC)) - last = -1; - } - if (last >= 0) { - CDTOC *cdToc = (CDTOC *)buf2; - CDTrackInfo lastTrack; - dk_cd_read_track_info_t trackInfoParams; - for (i = first; i < last; ++i) { - CDMSF msf = CDConvertTrackNumberToMSF(i + 1, cdToc); - cdtoc[i].min = msf.minute; - cdtoc[i].sec = msf.second; - cdtoc[i].frame = msf.frame; - } - memset(&trackInfoParams, 0, sizeof(trackInfoParams)); - trackInfoParams.addressType = kCDTrackInfoAddressTypeTrackNumber; - trackInfoParams.bufferLength = sizeof(lastTrack); - trackInfoParams.address = last; - trackInfoParams.buffer = &lastTrack; - if (!ioctl(drive, DKIOCCDREADTRACKINFO, &trackInfoParams)) { - CDMSF msf = CDConvertLBAToMSF(be2me_32(lastTrack.trackStartAddress) - + be2me_32(lastTrack.trackSize)); - cdtoc[last].min = msf.minute; - cdtoc[last].sec = msf.second; - cdtoc[last].frame = msf.frame; - } - } - } -#endif - close(drive); -#endif - for (i = first; i <= last; i++) - cdtoc[i].frame += (cdtoc[i].min * 60 + cdtoc[i].sec) * 75; - return last; -} - -/** -\brief Reads TOC from CD in the given device and prints the number of tracks - and the length of each track in minute:second:frame format. -\param *dev the device to analyse -\return if the command line -identify is given, returns the last track of - the TOC or -1 if the TOC can't be read, - otherwise just returns 0 and let cddb_resolve the TOC -*/ -int cdd_identify(const char *dev) -{ - cdtoc_last_track = 0; - if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO)) { - int i, min, sec, frame; - cdtoc_last_track = read_toc(dev); - if (cdtoc_last_track < 0) { - mp_tmsg(MSGT_OPEN, MSGL_ERR, "Failed to open %s device.\n", dev); - return -1; - } - mp_msg(MSGT_GLOBAL, MSGL_INFO, "ID_CDDA_TRACKS=%d\n", cdtoc_last_track); - for (i = 1; i <= cdtoc_last_track; i++) { - frame = cdtoc[i].frame - cdtoc[i-1].frame; - sec = frame / 75; - frame -= sec * 75; - min = sec / 60; - sec -= min * 60; - mp_msg(MSGT_IDENTIFY, MSGL_INFO, - "ID_CDDA_TRACK_%d_MSF=%02d:%02d:%02d\n", i, min, sec, frame); - } - } - return cdtoc_last_track; -} - -static unsigned int cddb_sum(int n) -{ - unsigned int ret; - - ret = 0; - while (n > 0) { - ret += (n % 10); - n /= 10; - } - return ret; -} - -static unsigned long cddb_discid(int tot_trks) -{ - unsigned int i, t = 0, n = 0; - - i = 0; - while (i < (unsigned int)tot_trks) { - n = n + cddb_sum((cdtoc[i].min * 60) + cdtoc[i].sec); - i++; - } - t = ((cdtoc[tot_trks].min * 60) + cdtoc[tot_trks].sec) - - ((cdtoc[0].min * 60) + cdtoc[0].sec); - return (n % 0xff) << 24 | t << 8 | tot_trks; -} - - - -static int cddb_http_request(char *command, - int (*reply_parser)(HTTP_header_t*, cddb_data_t*), - cddb_data_t *cddb_data) -{ - char request[4096]; - int fd, ret = 0; - URL_t *url; - HTTP_header_t *http_hdr; - - if (reply_parser == NULL || command == NULL || cddb_data == NULL) - return -1; - - snprintf(request, sizeof(request), "http://%s/~cddb/cddb.cgi?cmd=%s%s&proto=%d", - cddb_data->freedb_server, command, cddb_data->cddb_hello, - cddb_data->freedb_proto_level); - mp_msg(MSGT_OPEN, MSGL_INFO,"Request[%s]\n", request); - - url = url_new(request); - if (url == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "not a valid URL\n"); - return -1; - } - - fd = http_send_request(url,0); - if (fd < 0) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Failed to send the HTTP request.\n"); - return -1; - } - - http_hdr = http_read_response(fd); - if (http_hdr == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Failed to read the HTTP response.\n"); - return -1; - } - - http_debug_hdr(http_hdr); - mp_msg(MSGT_OPEN, MSGL_INFO,"body=[%s]\n", http_hdr->body); - - switch (http_hdr->status_code) { - case 200: - ret = reply_parser(http_hdr, cddb_data); - break; - case 400: - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Not Found.\n"); - break; - default: - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "unknown error code\n"); - } - - http_free(http_hdr); - url_free(url); - - return ret; -} - -static int cddb_read_cache(cddb_data_t *cddb_data) -{ - char file_name[100]; - struct stat stats; - int file_fd, ret; - size_t file_size; - - if (cddb_data == NULL || cddb_data->cache_dir == NULL) - return -1; - - snprintf(file_name, sizeof(file_name), "%s%08lx", cddb_data->cache_dir, cddb_data->disc_id); - - file_fd = open(file_name, O_RDONLY | O_BINARY); - if (file_fd < 0) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "No cache found.\n"); - return -1; - } - - ret = fstat(file_fd, &stats); - if (ret < 0) { - perror("fstat"); - file_size = 4096; - } else { - file_size = stats.st_size < UINT_MAX ? stats.st_size : UINT_MAX - 1; - } - - cddb_data->xmcd_file = malloc(file_size + 1); - if (cddb_data->xmcd_file == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Memory allocation failed.\n"); - close(file_fd); - return -1; - } - cddb_data->xmcd_file_size = read(file_fd, cddb_data->xmcd_file, file_size); - if (cddb_data->xmcd_file_size != file_size) { - mp_tmsg(MSGT_DEMUX, MSGL_WARN, "Not all the xmcd file has been read.\n"); - close(file_fd); - return -1; - } - cddb_data->xmcd_file[cddb_data->xmcd_file_size] = 0; - - close(file_fd); - - return 0; -} - -static int cddb_write_cache(cddb_data_t *cddb_data) -{ - // We have the file, save it for cache. - char file_name[100]; - int file_fd, ret; - int wrote = 0; - - if (cddb_data == NULL || cddb_data->cache_dir == NULL) - return -1; - - // Check if the CDDB cache dir exist - if (!mp_path_exists(cddb_data->cache_dir)) { - // Directory not present, create it. - ret = mkdir(cddb_data->cache_dir, 0755); -#ifdef __MINGW32__ - if (ret < 0 && errno != EEXIST) { -#else - if (ret < 0) { -#endif - perror("mkdir"); - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Failed to create directory %s.\n", - cddb_data->cache_dir); - return -1; - } - } - - snprintf(file_name, sizeof(file_name), "%s%08lx", cddb_data->cache_dir, cddb_data->disc_id); - - file_fd = creat(file_name, S_IRUSR | S_IWUSR); - if (file_fd < 0) { - perror("create"); - return -1; - } - - wrote = write(file_fd, cddb_data->xmcd_file, cddb_data->xmcd_file_size); - if (wrote < 0) { - perror("write"); - close(file_fd); - return -1; - } - if ((unsigned int) wrote != cddb_data->xmcd_file_size) { - mp_tmsg(MSGT_DEMUX, MSGL_WARN, "Not all of the xmcd file has been written.\n"); - close(file_fd); - return -1; - } - - close(file_fd); - - return 0; -} - -static int cddb_read_parse(HTTP_header_t *http_hdr, cddb_data_t *cddb_data) -{ - unsigned long disc_id; - char category[100]; - char *ptr = NULL, *ptr2 = NULL; - int ret, status; - - if (http_hdr == NULL || cddb_data == NULL) - return -1; - - ret = sscanf(http_hdr->body, "%d ", &status); - if (ret != 1) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - - switch (status) { - case 210: - ret = sscanf(http_hdr->body, "%d %99s %08lx", &status, - category, &disc_id); - if (ret != 3) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - // Check if it's a xmcd database file - ptr = strstr(http_hdr->body, "# xmcd"); - if (ptr == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, - "Invalid xmcd database file returned.\n"); - return -1; - } - ptr = strdup(ptr); - // Ok found the beginning of the file - // look for the end - ptr2 = strstr(ptr, "\n.\r\n"); - if (!ptr2) - ptr2 = strstr(ptr, "\n.\n"); - if (ptr2) { - ptr2++; - } else { - mp_msg(MSGT_DEMUX, MSGL_FIXME, "Unable to find '.'\n"); - ptr2 = ptr + strlen(ptr); //return -1; - } - // Ok found the end - // do a sanity check - if (http_hdr->body_size < (unsigned int)(ptr2 - ptr)) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "unexpected FIXME\n"); - return -1; - } - cddb_data->xmcd_file = ptr; - cddb_data->xmcd_file_size = ptr2 - ptr; - cddb_data->xmcd_file[cddb_data->xmcd_file_size] = '\0'; - return cddb_write_cache(cddb_data); - default: - mp_tmsg(MSGT_DEMUX, MSGL_FIXME, "unhandled code\n"); - } - return 0; -} - -static int cddb_request_titles(cddb_data_t *cddb_data) -{ - char command[1024]; - snprintf(command, sizeof(command), "cddb+read+%s+%08lx", - cddb_data->category, cddb_data->disc_id); - return cddb_http_request(command, cddb_read_parse, cddb_data); -} - -static int cddb_parse_matches_list(HTTP_header_t *http_hdr, cddb_data_t *cddb_data) -{ - char album_title[100]; - char *ptr = NULL; - int ret; - - ptr = strstr(http_hdr->body, "\n"); - if (ptr == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Unable to find end of line.\n"); - return -1; - } - ptr++; - // We have a list of exact/inexact matches, so which one do we use? - // So let's take the first one. - ret = sscanf(ptr, "%99s %08lx %99s", cddb_data->category, - &(cddb_data->disc_id), album_title); - if (ret != 3) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - ptr = strstr(http_hdr->body, album_title); - if (ptr != NULL) { - char *ptr2; - int len; - ptr2 = strstr(ptr, "\n"); - if (ptr2 == NULL) { - len = (http_hdr->body_size)-(ptr-(http_hdr->body)); - } else { - len = ptr2-ptr+1; - } - len = FFMIN(sizeof(album_title) - 1, len); - strncpy(album_title, ptr, len); - album_title[len]='\0'; - } - mp_tmsg(MSGT_DEMUX, MSGL_STATUS, "Parse OK, found: %s\n", album_title); - return 0; -} - -static int cddb_query_parse(HTTP_header_t *http_hdr, cddb_data_t *cddb_data) -{ - char album_title[100]; - char *ptr = NULL; - int ret, status; - - ret = sscanf(http_hdr->body, "%d ", &status); - if (ret != 1) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - - switch (status) { - case 200: - // Found exact match - ret = sscanf(http_hdr->body, "%d %99s %08lx %99s", &status, - cddb_data->category, &(cddb_data->disc_id), album_title); - if (ret != 4) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - ptr = strstr(http_hdr->body, album_title); - if (ptr != NULL) { - char *ptr2; - int len; - ptr2 = strstr(ptr, "\n"); - if (ptr2 == NULL) { - len = (http_hdr->body_size)-(ptr-(http_hdr->body)); - } else { - len = ptr2-ptr+1; - } - len = FFMIN(sizeof(album_title) - 1, len); - strncpy(album_title, ptr, len); - album_title[len]='\0'; - } - mp_tmsg(MSGT_DEMUX, MSGL_STATUS, "Parse OK, found: %s\n", album_title); - return cddb_request_titles(cddb_data); - case 202: - // No match found - mp_tmsg(MSGT_DEMUX, MSGL_WARN, "Album not found.\n"); - break; - case 210: - // Found exact matches, list follows - cddb_parse_matches_list(http_hdr, cddb_data); - return cddb_request_titles(cddb_data); -/* -body=[210 Found exact matches, list follows (until terminating `.') -misc c711930d Santana / Supernatural -rock c711930d Santana / Supernatural -blues c711930d Santana / Supernatural -.] -*/ - case 211: - // Found inexact matches, list follows - cddb_parse_matches_list(http_hdr, cddb_data); - return cddb_request_titles(cddb_data); - case 500: - mp_tmsg(MSGT_DEMUX, MSGL_FIXME, - "Server returns: Command syntax error\n"); - break; - default: - mp_tmsg(MSGT_DEMUX, MSGL_FIXME, "unhandled code\n"); - } - return -1; -} - -static int cddb_proto_level_parse(HTTP_header_t *http_hdr, cddb_data_t *cddb_data) -{ - int max; - int ret, status; - char *ptr; - - ret = sscanf(http_hdr->body, "%d ", &status); - if (ret != 1) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - - switch (status) { - case 210: - ptr = strstr(http_hdr->body, "max proto:"); - if (ptr == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - ret = sscanf(ptr, "max proto: %d", &max); - if (ret != 1) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "parse error"); - return -1; - } - cddb_data->freedb_proto_level = max; - return 0; - default: - mp_tmsg(MSGT_DEMUX, MSGL_FIXME, "unhandled code\n"); - } - return -1; -} - -static int cddb_get_proto_level(cddb_data_t *cddb_data) -{ - return cddb_http_request("stat", cddb_proto_level_parse, cddb_data); -} - -static void cddb_create_hello(cddb_data_t *cddb_data) -{ - char host_name[51]; - char *user_name; - - if (cddb_data->anonymous) { // Default is anonymous - /* Note from Eduardo Pérez Ureta <eperez@it.uc3m.es> : - * We don't send current user/host name in hello to prevent spam. - * Software that sends this is considered spyware - * that most people don't like. - */ - user_name = "anonymous"; - strcpy(host_name, "localhost"); - } else { - if (gethostname(host_name, 50) < 0) { - strcpy(host_name, "localhost"); - } - user_name = getenv("LOGNAME"); - } - snprintf(cddb_data->cddb_hello, sizeof(cddb_data->cddb_hello), - "&hello=%s+%s+%s", - user_name, host_name, mplayer_version); -} - -static int cddb_retrieve(cddb_data_t *cddb_data) -{ - char offsets[1024], command[1024]; - char *ptr; - unsigned int i, time_len; - int ret; - - ptr = offsets; - for (i = 0; i < cddb_data->tracks ; i++) { - unsigned space = sizeof(offsets) - (ptr - offsets); - if (space < 40) break; - ptr += snprintf(ptr, space, "%d+", cdtoc[i].frame); - } - ptr[0] = 0; - time_len = (cdtoc[cddb_data->tracks].frame)/75; - - cddb_data->freedb_server = DEFAULT_FREEDB_SERVER; - cddb_data->freedb_proto_level = 1; - cddb_data->xmcd_file = NULL; - - cddb_create_hello(cddb_data); - if (cddb_get_proto_level(cddb_data) < 0) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Failed to get the protocol level.\n"); - return -1; - } - - snprintf(command, sizeof(command), "cddb+query+%08lx+%d+%s%d", cddb_data->disc_id, - cddb_data->tracks, offsets, time_len); - ret = cddb_http_request(command, cddb_query_parse, cddb_data); - if (ret < 0) - return -1; - - free(cddb_data->cache_dir); - return 0; -} - -int cddb_resolve(const char *dev, char **xmcd_file) -{ - char cddb_cache_dir[] = DEFAULT_CACHE_DIR; - char *home_dir = NULL; - cddb_data_t cddb_data; - void *talloc_ctx = talloc_new(NULL); - - if (cdtoc_last_track <= 0) { - cdtoc_last_track = read_toc(dev); - if (cdtoc_last_track < 0) { - mp_tmsg(MSGT_OPEN, MSGL_ERR, "Failed to open %s device.\n", dev); - return -1; - } - } - cddb_data.tracks = cdtoc_last_track; - cddb_data.disc_id = cddb_discid(cddb_data.tracks); - cddb_data.anonymous = 1; // Don't send user info by default - - mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDB_DISCID=%08lx\n", - cddb_data.disc_id); - - // Check if there is a CD in the drive - // FIXME: That's not really a good way to check - if (cddb_data.disc_id == 0) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "No CD in the drive.\n"); - return -1; - } - - home_dir = getenv("HOME"); -#ifdef __MINGW32__ - if (home_dir == NULL) - home_dir = getenv("USERPROFILE"); - if (home_dir == NULL) - home_dir = getenv("HOMEPATH"); - // Last resort, store the cddb cache in the mplayer directory - if (home_dir == NULL) - home_dir = (char *)talloc_steal(talloc_ctx, - mp_find_user_config_file("")); -#endif - if (home_dir == NULL) { - cddb_data.cache_dir = NULL; - } else { - unsigned len = strlen(home_dir) + strlen(cddb_cache_dir) + 1; - cddb_data.cache_dir = malloc(len); - if (cddb_data.cache_dir == NULL) { - mp_tmsg(MSGT_DEMUX, MSGL_ERR, "Memory allocation failed.\n"); - talloc_free(talloc_ctx); - return -1; - } - snprintf(cddb_data.cache_dir, len, "%s%s", home_dir, cddb_cache_dir); - } - talloc_free(talloc_ctx); - - // Check for a cached file - if (cddb_read_cache(&cddb_data) < 0) { - // No Cache found - if (cddb_retrieve(&cddb_data) < 0) { - return -1; - } - } - - if (cddb_data.xmcd_file != NULL) { -// printf("%s\n", cddb_data.xmcd_file); - *xmcd_file = cddb_data.xmcd_file; - return 0; - } - - return -1; -} - -/*************** - * xmcd parser * - ***************/ -static char *xmcd_parse_dtitle(cd_info_t *cd_info, char *line) -{ - char *ptr, *album; - ptr = strstr(line, "DTITLE="); - if (ptr != NULL) { - ptr += 7; - album = strstr(ptr, "/"); - if (album == NULL) - return NULL; - cd_info->album = malloc(strlen(album + 2) + 1); - if (cd_info->album == NULL) { - return NULL; - } - strcpy(cd_info->album, album + 2); - album--; - album[0] = '\0'; - cd_info->artist = malloc(strlen(ptr) + 1); - if (cd_info->artist == NULL) { - return NULL; - } - strcpy(cd_info->artist, ptr); - } - return ptr; -} - -static char *xmcd_parse_dgenre(cd_info_t *cd_info, char *line) -{ - char *ptr; - ptr = strstr(line, "DGENRE="); - if (ptr != NULL) { - ptr += 7; - cd_info->genre = malloc(strlen(ptr)+1); - if (cd_info->genre == NULL) { - return NULL; - } - strcpy(cd_info->genre, ptr); - } - return ptr; -} - -static char *xmcd_parse_ttitle(cd_info_t *cd_info, char *line) -{ - unsigned int track_nb; - unsigned long sec, off; - char *ptr; - ptr = strstr(line, "TTITLE"); - if (ptr != NULL) { - ptr += 6; - // Here we point to the track number - track_nb = atoi(ptr); - ptr = strstr(ptr, "="); - if (ptr == NULL) - return NULL; - ptr++; - - sec = cdtoc[track_nb].frame; - off = cdtoc[track_nb + 1].frame - sec + 1; - - cd_info_add_track(cd_info, ptr, track_nb + 1, - (unsigned int) (off / (60 * 75)), - (unsigned int) ((off / 75) % 60), - (unsigned int) (off % 75), - sec, off); - } - return ptr; -} - -cd_info_t *cddb_parse_xmcd(char *xmcd_file) -{ - cd_info_t *cd_info = NULL; - int length, pos = 0; - char *ptr, *ptr2; - if (xmcd_file == NULL) - return NULL; - - cd_info = cd_info_new(); - if (cd_info == NULL) { - return NULL; - } - - length = strlen(xmcd_file); - ptr = xmcd_file; - while (ptr != NULL && pos < length) { - // Read a line - ptr2 = ptr; - while(ptr2[0] != '\0' && ptr2[0] != '\r' && ptr2[0] != '\n') - ptr2++; - if (ptr2[0] == '\0') { - break; - } - ptr2[0] = '\0'; - // Ignore comments - if (ptr[0] != '#') { - // Search for the album title - if (!xmcd_parse_dtitle(cd_info, ptr)) { - // Search for the genre - if (!xmcd_parse_dgenre(cd_info, ptr)) { - // Search for a track title - xmcd_parse_ttitle(cd_info, ptr); - } - } - } - if (ptr2[1] == '\n') - ptr2++; - pos = (ptr2 + 1) - ptr; - ptr = ptr2 + 1; - } - - unsigned int audiolen = cdtoc[cd_info->nb_tracks].frame-cdtoc[0].frame; - cd_info->min = (unsigned int) (audiolen / (60 * 75)); - cd_info->sec = (unsigned int) ((audiolen / 75) % 60); - cd_info->msec = (unsigned int) (audiolen % 75); - - return cd_info; -} |