示例#1
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;

	if (cdtoc_last_track <= 0)
	{
	    cdtoc_last_track = read_toc(dev);
	    if (cdtoc_last_track < 0) {
		mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_MPDEMUX_CDDB_FailedToOpenDevice, 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

	// 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_msg(MSGT_DEMUX, MSGL_ERR, MSGTR_MPDEMUX_CDDB_NoCDInDrive);
		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 *)get_path("");
#endif
	if( home_dir==NULL ) {
		cddb_data.cache_dir = NULL;
	} else {
		cddb_data.cache_dir = malloc(strlen(home_dir)+strlen(cddb_cache_dir)+1);
		if( cddb_data.cache_dir==NULL ) {
			mp_msg(MSGT_DEMUX, MSGL_ERR, MSGTR_MemAllocFailed);
			return -1;
		}
		sprintf(cddb_data.cache_dir, "%s%s", home_dir, cddb_cache_dir );
	}

	// 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;
}
示例#2
0
文件: stream_cddb.c 项目: zerix/mpv
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;
}